统一金额分制重构

backend/internal/model/listing.go

@@ -33,9 +33,7 @@ type RentalListing struct {
 	ListingNo         string     `gorm:"column:listing_no;size:20;not null;uniqueIndex" json:"listing_no"`
 	AccountID         uint64     `gorm:"not null;index" json:"account_id"`
 	OwnerID           uint64     `gorm:"not null;index" json:"owner_id"`
-	Price              float64    `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	PriceCent         int64      `gorm:"not null;default:0" json:"-"`
-	DepositAmount      float64    `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	DepositAmountCent int64      `gorm:"not null;default:0" json:"-"`
 	InTransaction     bool       `gorm:"not null;default:false" json:"in_transaction"`
 	Status            string     `gorm:"size:32;not null;default:'draft'" json:"status"`

backend/internal/model/order.go

@@ -15,17 +15,11 @@ type RentalOrder struct {
 	RenterID                  uint64         `gorm:"not null;index" json:"renter_id"`
 	RentedAt                  *time.Time     `json:"rented_at"`
 	EstimatedDurationHours    int            `gorm:"not null;default:24" json:"estimated_duration_hours"`
-	RentAmount                float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	RentAmountCent            int64          `gorm:"not null;default:0" json:"-"`
-	OwnerRentAmount           float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	OwnerRentAmountCent       int64          `gorm:"not null;default:0" json:"-"`
-	DepositAmount             float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	DepositAmountCent         int64          `gorm:"not null;default:0" json:"-"`
-	DepositOriginalAmount     float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	DepositOriginalAmountCent int64          `gorm:"not null;default:0" json:"-"`
-	DepositWaivedAmount       float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	DepositWaivedAmountCent   int64          `gorm:"not null;default:0" json:"-"`
-	PlatformFee               float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	PlatformFeeCent           int64          `gorm:"not null;default:0" json:"-"`
 	AccountSnapshot           datatypes.JSON `json:"account_snapshot"`
 	Status                    string         `gorm:"size:32;not null;default:'pending_payment'" json:"status"`

backend/internal/model/order_checkout.go

@@ -11,24 +11,15 @@ type OrderCheckout struct {
 	OrderID                 uint64         `gorm:"not null;index" json:"order_id"`
 	InitiatedBy             uint64         `gorm:"not null" json:"initiated_by"`
 	Status                  string         `gorm:"size:32;not null;default:'submitted'" json:"status"`
-	RentAmount               float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	RentAmountCent          int64          `gorm:"not null;default:0" json:"-"`
-	OwnerRentAmount          float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	OwnerRentAmountCent     int64          `gorm:"not null;default:0" json:"-"`
-	PlatformFee              float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	PlatformFeeCent         int64          `gorm:"not null;default:0" json:"-"`
-	DepositAmount            float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	DepositAmountCent       int64          `gorm:"not null;default:0" json:"-"`
-	ConsumableAmount         float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	ConsumableAmountCent    int64          `gorm:"not null;default:0" json:"-"`
 	CoinConsumedM           float64        `gorm:"type:decimal(12,2);not null;default:0" json:"coin_consumed_m"`
-	OtherAmount              float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	OtherAmountCent         int64          `gorm:"not null;default:0" json:"-"`
-	DepositDeductAmount      float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	DepositDeductAmountCent int64          `gorm:"not null;default:0" json:"-"`
-	RenterRefundAmount       float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	RenterRefundAmountCent  int64          `gorm:"not null;default:0" json:"-"`
-	OwnerIncomeAmount        float64        `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	OwnerIncomeAmountCent   int64          `gorm:"not null;default:0" json:"-"`
 	Content                 string         `json:"content"`
 	EvidenceURLS            datatypes.JSON `gorm:"column:evidence_urls" json:"evidence_urls"`

backend/internal/model/user.go

@@ -10,7 +10,6 @@ type User struct {
 	RealnameStatus       string     `gorm:"size:32;not null;default:'unverified'" json:"realname_status"`
 	RiskStatus           string     `gorm:"size:32;not null;default:'normal'" json:"risk_status"`
 	CreditScore          int        `gorm:"not null;default:100" json:"credit_score"`
-	DepositFreeQuota      float64    `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	DepositFreeQuotaCent int64      `gorm:"not null;default:0" json:"-"`
 	Status               string     `gorm:"size:32;not null;default:'active'" json:"status"`
 	LastLoginAt          *time.Time `json:"last_login_at"`

backend/internal/model/wallet.go

@@ -5,9 +5,7 @@ import "time"
 type WalletAccount struct {
 	ID                   uint64    `gorm:"primaryKey" json:"id"`
 	UserID               uint64    `gorm:"not null;uniqueIndex" json:"user_id"`
-	AvailableBalance     float64   `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	AvailableBalanceCent int64     `gorm:"not null;default:0" json:"-"`
-	FrozenBalance        float64   `gorm:"type:decimal(12,2);not null;default:0" json:"-"`
 	FrozenBalanceCent    int64     `gorm:"not null;default:0" json:"-"`
 	Status               string    `gorm:"size:32;not null;default:'active'" json:"status"`
 	CreatedAt            time.Time `json:"created_at"`
@@ -24,9 +22,7 @@ type WalletLedger struct {
 	UserID           uint64    `gorm:"not null;index" json:"user_id"`
 	OrderID          *uint64   `json:"order_id"`
 	Direction        string    `gorm:"size:16;not null" json:"direction"`
-	Amount           float64   `gorm:"type:decimal(12,2);not null" json:"-"`
 	AmountCent       int64     `gorm:"not null;default:0" json:"-"`
-	BalanceAfter     float64   `gorm:"type:decimal(12,2);not null" json:"-"`
 	BalanceAfterCent int64     `gorm:"not null;default:0" json:"-"`
 	BalanceType      string    `gorm:"size:32;not null" json:"balance_type"`
 	BizType          string    `gorm:"size:32;not null" json:"biz_type"`

backend/internal/model/withdrawal.go

@@ -6,11 +6,8 @@ type WithdrawalRequest struct {
 	ID               uint64     `gorm:"primaryKey" json:"id"`
 	WithdrawNo       string     `gorm:"size:64;not null;uniqueIndex" json:"withdraw_no"`
 	UserID           uint64     `gorm:"not null;index" json:"user_id"`
-	Amount           float64    `gorm:"type:decimal(12,2);not null" json:"-"`
 	AmountCent       int64      `gorm:"not null;default:0" json:"-"`
-	Fee              float64    `gorm:"type:decimal(12,2);not null;default:0.00" json:"-"`
 	FeeCent          int64      `gorm:"not null;default:0" json:"-"`
-	ActualAmount     float64    `gorm:"type:decimal(12,2);not null" json:"-"`
 	ActualAmountCent int64      `gorm:"not null;default:0" json:"-"`
 	PaymentAccountID *uint64    `json:"payment_account_id"`
 	AccountType      string     `gorm:"size:32;not null" json:"account_type"`

backend/internal/modules/admindashboard/dto.go

@@ -18,7 +18,7 @@ type MetricsDTO struct {
 	TotalOrders           int64 `json:"total_orders"`
 	RentingOrders         int64 `json:"renting_orders"`
 	TodayOrders           int64 `json:"today_orders"`
-	TodayLedgerAmount float64 `json:"today_ledger_amount"`
+	TodayLedgerAmountCent int64 `json:"today_ledger_amount_cent"`
 }
 
 type PendingDTO struct {
@@ -35,8 +35,8 @@ type RecentOrderDTO struct {
 	RenterID          uint64    `json:"renter_id"`
 	OwnerID           uint64    `json:"owner_id"`
 	Status            string    `json:"status"`
-	RentAmount    float64   `json:"rent_amount"`
-	DepositAmount float64   `json:"deposit_amount"`
+	RentAmountCent    int64     `json:"rent_amount_cent"`
+	DepositAmountCent int64     `json:"deposit_amount_cent"`
 	CreatedAt         time.Time `json:"created_at"`
 }
 

backend/internal/modules/admindashboard/repository.go

@@ -44,9 +44,9 @@ func (r *Repository) Summary() (*DashboardDTO, error) {
 		return nil, err
 	}
 	if err := r.db.Model(&model.WalletLedger{}).
-		Select("COALESCE(SUM(amount), 0)").
+		Select("COALESCE(SUM(amount_cent), 0)").
 		Where("created_at >= ?", today).
-		Scan(&metrics.TodayLedgerAmount).Error; err != nil {
+		Scan(&metrics.TodayLedgerAmountCent).Error; err != nil {
 		return nil, err
 	}
 	if err := r.db.Model(&model.RentalListing{}).Where("review_status = ?", "pending").Count(&pending.ListingReviews).Error; err != nil {
@@ -81,7 +81,7 @@ func (r *Repository) Summary() (*DashboardDTO, error) {
 func (r *Repository) recentOrders() ([]RecentOrderDTO, error) {
 	rows := make([]RecentOrderDTO, 0)
 	err := r.db.Table("rental_orders AS o").
-		Select("o.id, o.order_no, a.title, o.renter_id, o.owner_id, o.status, o.rent_amount, o.deposit_amount, o.created_at").
+		Select("o.id, o.order_no, a.title, o.renter_id, o.owner_id, o.status, o.rent_amount_cent, o.deposit_amount_cent, o.created_at").
 		Joins("JOIN game_accounts AS a ON a.id = o.account_id").
 		Order("o.id DESC").
 		Limit(8).

backend/internal/modules/adminfinance/dto.go

@@ -30,10 +30,10 @@ type FinanceSummaryDTO struct {
 	TotalRefundAmountCent       int64 `json:"total_refund_amount_cent"`
 	PendingRefundAmountCent     int64 `json:"pending_refund_amount_cent"`
 	ChannelNetAmountCent        int64 `json:"channel_net_amount_cent"`
-	PlatformIncomeAmount    float64 `json:"platform_income_amount"`
-	OwnerShouldIncomeAmount float64 `json:"owner_should_income_amount"`
-	OwnerWalletIncomeAmount float64 `json:"owner_wallet_income_amount"`
-	SettlementDiffAmount    float64 `json:"settlement_diff_amount"`
+	PlatformIncomeAmountCent    int64 `json:"platform_income_amount_cent"`
+	OwnerShouldIncomeAmountCent int64 `json:"owner_should_income_amount_cent"`
+	OwnerWalletIncomeAmountCent int64 `json:"owner_wallet_income_amount_cent"`
+	SettlementDiffAmountCent    int64 `json:"settlement_diff_amount_cent"`
 	SuccessfulPayCount          int64 `json:"successful_pay_count"`
 	SuccessfulRefundCount       int64 `json:"successful_refund_count"`
 	PendingRefundCount          int64 `json:"pending_refund_count"`
@@ -47,10 +47,10 @@ type FinanceDailyDTO struct {
 	TotalRefundAmountCent       int64  `json:"total_refund_amount_cent"`
 	PendingRefundAmountCent     int64  `json:"pending_refund_amount_cent"`
 	ChannelNetAmountCent        int64  `json:"channel_net_amount_cent"`
-	PlatformIncomeAmount    float64 `json:"platform_income_amount"`
-	OwnerShouldIncomeAmount float64 `json:"owner_should_income_amount"`
-	OwnerWalletIncomeAmount float64 `json:"owner_wallet_income_amount"`
-	SettlementDiffAmount    float64 `json:"settlement_diff_amount"`
+	PlatformIncomeAmountCent    int64  `json:"platform_income_amount_cent"`
+	OwnerShouldIncomeAmountCent int64  `json:"owner_should_income_amount_cent"`
+	OwnerWalletIncomeAmountCent int64  `json:"owner_wallet_income_amount_cent"`
+	SettlementDiffAmountCent    int64  `json:"settlement_diff_amount_cent"`
 	SuccessfulPayCount          int64  `json:"successful_pay_count"`
 	SuccessfulRefundCount       int64  `json:"successful_refund_count"`
 	PendingRefundCount          int64  `json:"pending_refund_count"`
@@ -76,20 +76,20 @@ type FinanceDetailDTO struct {
 	OwnerID                     uint64     `json:"owner_id"`
 	OwnerPhone                  string     `json:"owner_phone"`
 	OwnerNickname               string     `json:"owner_nickname"`
-	OrderRentAmount         float64    `json:"order_rent_amount"`
-	OrderDepositAmount      float64    `json:"order_deposit_amount"`
-	CheckoutRentAmount      float64    `json:"checkout_rent_amount"`
-	CheckoutRenterRefund    float64    `json:"checkout_renter_refund"`
-	CheckoutOwnerIncome     float64    `json:"checkout_owner_income"`
-	CheckoutPlatformFee     float64    `json:"checkout_platform_fee"`
-	OwnerWalletIncomeAmount float64    `json:"owner_wallet_income_amount"`
+	OrderRentAmountCent         int64      `json:"order_rent_amount_cent"`
+	OrderDepositAmountCent      int64      `json:"order_deposit_amount_cent"`
+	CheckoutRentAmountCent      int64      `json:"checkout_rent_amount_cent"`
+	CheckoutRenterRefundCent    int64      `json:"checkout_renter_refund_cent"`
+	CheckoutOwnerIncomeCent     int64      `json:"checkout_owner_income_cent"`
+	CheckoutPlatformFeeCent     int64      `json:"checkout_platform_fee_cent"`
+	OwnerWalletIncomeAmountCent int64      `json:"owner_wallet_income_amount_cent"`
 	PaidAmountCent              int64      `json:"paid_amount_cent"`
 	RefundedAmountCent          int64      `json:"refunded_amount_cent"`
 	RefundingAmountCent         int64      `json:"refunding_amount_cent"`
 	FailedRefundAmountCent      int64      `json:"failed_refund_amount_cent"`
 	ChannelNetAmountCent        int64      `json:"channel_net_amount_cent"`
-	PlatformNetAmount       float64    `json:"platform_net_amount"`
-	SettlementDiffAmount    float64    `json:"settlement_diff_amount"`
+	PlatformNetAmountCent       int64      `json:"platform_net_amount_cent"`
+	SettlementDiffAmountCent    int64      `json:"settlement_diff_amount_cent"`
 	FinanceStatus               string     `json:"finance_status"`
 	CreatedAt                   time.Time  `json:"created_at"`
 	SettledAt                   *time.Time `json:"settled_at,omitempty"`

backend/internal/modules/adminfinance/repository.go

@@ -1,11 +1,9 @@
 package adminfinance
 
 import (
-	"math"
 	"time"
 
 	"hfb_sys/backend/internal/timeutil"
-	"hfb_sys/backend/pkg/money"
 
 	"gorm.io/gorm"
 )
@@ -71,9 +69,9 @@ func (r *Repository) summary(query DashboardQuery) (*FinanceSummaryDTO, error) {
 
 	var settlement settlementSummaryRow
 	if err := r.db.Table("rental_orders AS ro").
-		Select(`COALESCE(SUM(oc.platform_fee), 0) AS platform_income_amount,
-			COALESCE(SUM(oc.owner_income_amount), 0) AS owner_should_income_amount,
-			COALESCE(SUM(COALESCE(w.owner_wallet_income_amount, 0)), 0) AS owner_wallet_income_amount,
+		Select(`COALESCE(SUM(oc.platform_fee_cent), 0) AS platform_income_amount_cent,
+				COALESCE(SUM(oc.owner_income_amount_cent), 0) AS owner_should_income_amount_cent,
+				COALESCE(SUM(COALESCE(w.owner_wallet_income_amount_cent, 0)), 0) AS owner_wallet_income_amount_cent,
 				COUNT(ro.id) AS settled_order_count`).
 		Joins("JOIN order_checkouts AS oc ON oc.order_id = ro.id AND oc.status = 'accepted'").
 		Joins("LEFT JOIN (?) AS w ON w.order_id = ro.id", ownerWalletIncomeSubquery(r.db)).
@@ -98,10 +96,10 @@ func (r *Repository) summary(query DashboardQuery) (*FinanceSummaryDTO, error) {
 		TotalRefundAmountCent:       payment.TotalRefundAmountCent,
 		PendingRefundAmountCent:     payment.PendingRefundAmountCent,
 		ChannelNetAmountCent:        payment.TotalFlowAmountCent - payment.TotalRefundAmountCent,
-		PlatformIncomeAmount:    money.Round(settlement.PlatformIncomeAmount),
-		OwnerShouldIncomeAmount: money.Round(settlement.OwnerShouldIncomeAmount),
-		OwnerWalletIncomeAmount: money.Round(settlement.OwnerWalletIncomeAmount),
-		SettlementDiffAmount:    money.Round(settlement.OwnerShouldIncomeAmount - settlement.OwnerWalletIncomeAmount),
+		PlatformIncomeAmountCent:    settlement.PlatformIncomeAmountCent,
+		OwnerShouldIncomeAmountCent: settlement.OwnerShouldIncomeAmountCent,
+		OwnerWalletIncomeAmountCent: settlement.OwnerWalletIncomeAmountCent,
+		SettlementDiffAmountCent:    settlement.OwnerShouldIncomeAmountCent - settlement.OwnerWalletIncomeAmountCent,
 		SuccessfulPayCount:          payment.SuccessfulPayCount,
 		SuccessfulRefundCount:       payment.SuccessfulRefundCount,
 		PendingRefundCount:          payment.PendingRefundCount,
@@ -130,9 +128,9 @@ func (r *Repository) dailyItems(query DashboardQuery) ([]FinanceDailyDTO, error)
 	settlements := make([]dailySettlementRow, 0)
 	if err := r.db.Table("rental_orders AS ro").
 		Select(`DATE(ro.settled_at) AS date,
-			COALESCE(SUM(oc.platform_fee), 0) AS platform_income_amount,
-			COALESCE(SUM(oc.owner_income_amount), 0) AS owner_should_income_amount,
-			COALESCE(SUM(COALESCE(w.owner_wallet_income_amount, 0)), 0) AS owner_wallet_income_amount,
+				COALESCE(SUM(oc.platform_fee_cent), 0) AS platform_income_amount_cent,
+				COALESCE(SUM(oc.owner_income_amount_cent), 0) AS owner_should_income_amount_cent,
+				COALESCE(SUM(COALESCE(w.owner_wallet_income_amount_cent, 0)), 0) AS owner_wallet_income_amount_cent,
 				COUNT(ro.id) AS settled_order_count`).
 		Joins("JOIN order_checkouts AS oc ON oc.order_id = ro.id AND oc.status = 'accepted'").
 		Joins("LEFT JOIN (?) AS w ON w.order_id = ro.id", ownerWalletIncomeSubquery(r.db)).
@@ -162,10 +160,10 @@ func (r *Repository) dailyItems(query DashboardQuery) ([]FinanceDailyDTO, error)
 	for _, row := range settlements {
 		item := itemsByDate[row.Date]
 		item.Date = row.Date
-		item.PlatformIncomeAmount = money.Round(row.PlatformIncomeAmount)
-		item.OwnerShouldIncomeAmount = money.Round(row.OwnerShouldIncomeAmount)
-		item.OwnerWalletIncomeAmount = money.Round(row.OwnerWalletIncomeAmount)
-		item.SettlementDiffAmount = money.Round(row.OwnerShouldIncomeAmount - row.OwnerWalletIncomeAmount)
+		item.PlatformIncomeAmountCent = row.PlatformIncomeAmountCent
+		item.OwnerShouldIncomeAmountCent = row.OwnerShouldIncomeAmountCent
+		item.OwnerWalletIncomeAmountCent = row.OwnerWalletIncomeAmountCent
+		item.SettlementDiffAmountCent = row.OwnerShouldIncomeAmountCent - row.OwnerWalletIncomeAmountCent
 		item.SettledOrderCount = row.SettledOrderCount
 		itemsByDate[row.Date] = item
 	}
@@ -182,23 +180,23 @@ func (r *Repository) financeDetailBaseQuery(query DetailQuery) *gorm.DB {
 		Select(`ro.id AS order_id, ro.order_no, ro.status AS order_status, ro.settlement_status, ro.refund_status,
 			ro.renter_id, COALESCE(ru.phone, '') AS renter_phone, COALESCE(ru.nickname, '') AS renter_nickname,
 			ro.owner_id, COALESCE(ou.phone, '') AS owner_phone, COALESCE(ou.nickname, '') AS owner_nickname,
-			ro.rent_amount AS order_rent_amount, ro.deposit_amount AS order_deposit_amount,
-			COALESCE(oc.rent_amount, 0) AS checkout_rent_amount,
-			COALESCE(oc.renter_refund_amount, 0) AS checkout_renter_refund,
-			COALESCE(oc.owner_income_amount, 0) AS checkout_owner_income,
-			COALESCE(oc.platform_fee, 0) AS checkout_platform_fee,
-			COALESCE(w.owner_wallet_income_amount, 0) AS owner_wallet_income_amount,
+				ro.rent_amount_cent AS order_rent_amount_cent, ro.deposit_amount_cent AS order_deposit_amount_cent,
+				COALESCE(oc.rent_amount_cent, 0) AS checkout_rent_amount_cent,
+				COALESCE(oc.renter_refund_amount_cent, 0) AS checkout_renter_refund_cent,
+				COALESCE(oc.owner_income_amount_cent, 0) AS checkout_owner_income_cent,
+				COALESCE(oc.platform_fee_cent, 0) AS checkout_platform_fee_cent,
+				COALESCE(w.owner_wallet_income_amount_cent, 0) AS owner_wallet_income_amount_cent,
 				COALESCE(p.paid_amount_cent, 0) AS paid_amount_cent,
 				COALESCE(p.refunded_amount_cent, 0) AS refunded_amount_cent,
 				COALESCE(p.refunding_amount_cent, 0) AS refunding_amount_cent,
 				COALESCE(p.failed_refund_amount_cent, 0) AS failed_refund_amount_cent,
 				COALESCE(p.paid_amount_cent, 0) - COALESCE(p.refunded_amount_cent, 0) AS channel_net_amount_cent,
-			COALESCE(oc.platform_fee, 0) + ((COALESCE(oc.owner_income_amount, 0) - COALESCE(w.owner_wallet_income_amount, 0))) AS platform_net_amount,
-			COALESCE(oc.owner_income_amount, 0) - COALESCE(w.owner_wallet_income_amount, 0) AS settlement_diff_amount,
+				COALESCE(oc.platform_fee_cent, 0) + ((COALESCE(oc.owner_income_amount_cent, 0) - COALESCE(w.owner_wallet_income_amount_cent, 0))) AS platform_net_amount_cent,
+				COALESCE(oc.owner_income_amount_cent, 0) - COALESCE(w.owner_wallet_income_amount_cent, 0) AS settlement_diff_amount_cent,
 				CASE
 					WHEN COALESCE(p.failed_refund_amount_cent, 0) > 0 THEN 'refund_failed'
 					WHEN COALESCE(p.refunding_amount_cent, 0) > 0 OR ro.refund_status = 'refunding' THEN 'refund_pending'
-				WHEN ABS(COALESCE(oc.owner_income_amount, 0) - COALESCE(w.owner_wallet_income_amount, 0)) >= 0.05 THEN 'settlement_diff'
+					WHEN ABS(COALESCE(oc.owner_income_amount_cent, 0) - COALESCE(w.owner_wallet_income_amount_cent, 0)) >= 5 THEN 'settlement_diff'
 				ELSE 'normal'
 			END AS finance_status,
 			ro.created_at, ro.settled_at`).
@@ -250,7 +248,7 @@ func orderPaymentSubquery(db *gorm.DB) *gorm.DB {
 
 func ownerWalletIncomeSubquery(db *gorm.DB) *gorm.DB {
 	return db.Table("wallet_ledger").
-		Select("order_id, COALESCE(SUM(amount), 0) AS owner_wallet_income_amount").
+		Select("order_id, COALESCE(SUM(amount_cent), 0) AS owner_wallet_income_amount_cent").
 		Where("direction = ? AND biz_type IN ? AND order_id IS NOT NULL", "in", []string{"owner_income", "deposit_compensation"}).
 		Group("order_id")
 }
@@ -283,9 +281,9 @@ type paymentSummaryRow struct {
 }
 
 type settlementSummaryRow struct {
-	PlatformIncomeAmount    float64
-	OwnerShouldIncomeAmount float64
-	OwnerWalletIncomeAmount float64
+	PlatformIncomeAmountCent    int64
+	OwnerShouldIncomeAmountCent int64
+	OwnerWalletIncomeAmountCent int64
 	SettledOrderCount           int64
 }
 
@@ -301,9 +299,9 @@ type dailyPaymentRow struct {
 
 type dailySettlementRow struct {
 	Date                        string
-	PlatformIncomeAmount    float64
-	OwnerShouldIncomeAmount float64
-	OwnerWalletIncomeAmount float64
+	PlatformIncomeAmountCent    int64
+	OwnerShouldIncomeAmountCent int64
+	OwnerWalletIncomeAmountCent int64
 	SettledOrderCount           int64
 }
 
@@ -319,32 +317,32 @@ type financeDetailRow struct {
 	OwnerID                     uint64
 	OwnerPhone                  string
 	OwnerNickname               string
-	OrderRentAmount         float64
-	OrderDepositAmount      float64
-	CheckoutRentAmount      float64
-	CheckoutRenterRefund    float64
-	CheckoutOwnerIncome     float64
-	CheckoutPlatformFee     float64
-	OwnerWalletIncomeAmount float64
+	OrderRentAmountCent         int64
+	OrderDepositAmountCent      int64
+	CheckoutRentAmountCent      int64
+	CheckoutRenterRefundCent    int64
+	CheckoutOwnerIncomeCent     int64
+	CheckoutPlatformFeeCent     int64
+	OwnerWalletIncomeAmountCent int64
 	PaidAmountCent              int64
 	RefundedAmountCent          int64
 	RefundingAmountCent         int64
 	FailedRefundAmountCent      int64
 	ChannelNetAmountCent        int64
-	PlatformNetAmount       float64
-	SettlementDiffAmount    float64
+	PlatformNetAmountCent       int64
+	SettlementDiffAmountCent    int64
 	FinanceStatus               string
 	CreatedAt                   time.Time
 	SettledAt                   *time.Time
 }
 
 func (r financeDetailRow) toDTO() FinanceDetailDTO {
-	diff := money.Round(r.SettlementDiffAmount)
+	diff := r.SettlementDiffAmountCent
 	status := r.FinanceStatus
 	if status == "" {
 		status = "normal"
 	}
-	if math.Abs(diff) < 0.05 && status == "settlement_diff" {
+	if absCent(diff) < 5 && status == "settlement_diff" {
 		status = "normal"
 	}
 	return FinanceDetailDTO{
@@ -359,22 +357,29 @@ func (r financeDetailRow) toDTO() FinanceDetailDTO {
 		OwnerID:                     r.OwnerID,
 		OwnerPhone:                  r.OwnerPhone,
 		OwnerNickname:               r.OwnerNickname,
-		OrderRentAmount:         money.Round(r.OrderRentAmount),
-		OrderDepositAmount:      money.Round(r.OrderDepositAmount),
-		CheckoutRentAmount:      money.Round(r.CheckoutRentAmount),
-		CheckoutRenterRefund:    money.Round(r.CheckoutRenterRefund),
-		CheckoutOwnerIncome:     money.Round(r.CheckoutOwnerIncome),
-		CheckoutPlatformFee:     money.Round(r.CheckoutPlatformFee),
-		OwnerWalletIncomeAmount: money.Round(r.OwnerWalletIncomeAmount),
+		OrderRentAmountCent:         r.OrderRentAmountCent,
+		OrderDepositAmountCent:      r.OrderDepositAmountCent,
+		CheckoutRentAmountCent:      r.CheckoutRentAmountCent,
+		CheckoutRenterRefundCent:    r.CheckoutRenterRefundCent,
+		CheckoutOwnerIncomeCent:     r.CheckoutOwnerIncomeCent,
+		CheckoutPlatformFeeCent:     r.CheckoutPlatformFeeCent,
+		OwnerWalletIncomeAmountCent: r.OwnerWalletIncomeAmountCent,
 		PaidAmountCent:              r.PaidAmountCent,
 		RefundedAmountCent:          r.RefundedAmountCent,
 		RefundingAmountCent:         r.RefundingAmountCent,
 		FailedRefundAmountCent:      r.FailedRefundAmountCent,
 		ChannelNetAmountCent:        r.ChannelNetAmountCent,
-		PlatformNetAmount:       money.Round(r.PlatformNetAmount),
-		SettlementDiffAmount:    diff,
+		PlatformNetAmountCent:       r.PlatformNetAmountCent,
+		SettlementDiffAmountCent:    diff,
 		FinanceStatus:               status,
 		CreatedAt:                   r.CreatedAt,
 		SettledAt:                   r.SettledAt,
 	}
 }
+
+func absCent(value int64) int64 {
+	if value < 0 {
+		return -value
+	}
+	return value
+}

backend/internal/modules/adminuser/dto.go

@@ -9,9 +9,9 @@ type UserDTO struct {
 	RealnameStatus           string     `json:"realname_status"`
 	RiskStatus               string     `json:"risk_status"`
 	CreditScore              int        `json:"credit_score"`
-	DepositFreeQuota     float64    `json:"deposit_free_quota"`
-	DepositFreeUsed      float64    `json:"deposit_free_used"`
-	DepositFreeRemaining float64    `json:"deposit_free_remaining"`
+	DepositFreeQuotaCent     int64      `json:"deposit_free_quota_cent"`
+	DepositFreeUsedCent      int64      `json:"deposit_free_used_cent"`
+	DepositFreeRemainingCent int64      `json:"deposit_free_remaining_cent"`
 	Status                   string     `json:"status"`
 	OrderCount               int64      `json:"order_count"`
 	ListingCount             int64      `json:"listing_count"`
@@ -26,7 +26,6 @@ type FreezeRequest struct {
 
 type DepositFreeQuotaRequest struct {
 	AmountCent int64 `json:"amount_cent"`
-	Amount     float64 `json:"amount"`
 }
 
 type PaginatedResult struct {

backend/internal/modules/adminuser/repository.go

@@ -2,11 +2,9 @@ package adminuser
 
 import (
 	"errors"
-	"math"
 
 	"hfb_sys/backend/internal/auditlog"
 	"hfb_sys/backend/internal/model"
-	"hfb_sys/backend/pkg/money"
 
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
@@ -34,11 +32,11 @@ func (r *Repository) List(page, pageSize int) (*PaginatedResult, error) {
 			COALESCE(o.order_count, 0) AS order_count,
 			COALESCE(l.listing_count, 0) AS listing_count,
 			COALESCE(d.dispute_count, 0) AS dispute_count,
-			COALESCE(df.deposit_free_used, 0) AS deposit_free_used`).
+				COALESCE(df.deposit_free_used_cent, 0) AS deposit_free_used_cent`).
 		Joins("LEFT JOIN (SELECT user_id, COUNT(*) AS order_count FROM (SELECT renter_id AS user_id FROM rental_orders UNION ALL SELECT owner_id AS user_id FROM rental_orders) AS order_users GROUP BY user_id) AS o ON o.user_id = u.id").
 		Joins("LEFT JOIN (SELECT owner_id AS user_id, COUNT(*) AS listing_count FROM rental_listings GROUP BY owner_id) AS l ON l.user_id = u.id").
 		Joins("LEFT JOIN (SELECT user_id, COUNT(*) AS dispute_count FROM (SELECT initiator_id AS user_id FROM disputes UNION ALL SELECT target_user_id AS user_id FROM disputes) AS dispute_users GROUP BY user_id) AS d ON d.user_id = u.id").
-		Joins("LEFT JOIN (SELECT renter_id AS user_id, SUM(deposit_waived_amount) AS deposit_free_used FROM rental_orders WHERE status NOT IN ('completed', 'cancelled', 'closed') GROUP BY renter_id) AS df ON df.user_id = u.id").
+		Joins("LEFT JOIN (SELECT renter_id AS user_id, SUM(deposit_waived_amount_cent) AS deposit_free_used_cent FROM rental_orders WHERE status NOT IN ('completed', 'cancelled', 'closed') GROUP BY renter_id) AS df ON df.user_id = u.id").
 		Order("u.id DESC").
 		Offset(offset).Limit(pageSize).
 		Scan(&rows).Error
@@ -65,23 +63,18 @@ func (r *Repository) SetDepositFreeQuota(adminID uint64, userID uint64, req Depo
 	if amountCent < 0 {
 		return nil, ErrInvalidUser
 	}
-	amount := float64(amountCent) / 100
 	err := r.db.Transaction(func(tx *gorm.DB) error {
 		var user model.User
 		if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&user, userID).Error; err != nil {
 			return err
 		}
-		beforeAmount := user.DepositFreeQuota
 		beforeAmountCent := user.DepositFreeQuotaCent
-		user.DepositFreeQuota = amount
 		user.DepositFreeQuotaCent = amountCent
 		if err := tx.Save(&user).Error; err != nil {
 			return err
 		}
 		return appendAuditLog(tx, adminID, "admin_user.set_deposit_free_quota", user.ID, meta, map[string]any{
 			"user_id":            user.ID,
-			"before_amount":      beforeAmount,
-			"after_amount":       amount,
 			"before_amount_cent": beforeAmountCent,
 			"after_amount_cent":  amountCent,
 		})
@@ -127,11 +120,11 @@ func (r *Repository) Find(userID uint64) (*UserDTO, error) {
 			COALESCE(o.order_count, 0) AS order_count,
 			COALESCE(l.listing_count, 0) AS listing_count,
 			COALESCE(d.dispute_count, 0) AS dispute_count,
-			COALESCE(df.deposit_free_used, 0) AS deposit_free_used`).
+				COALESCE(df.deposit_free_used_cent, 0) AS deposit_free_used_cent`).
 		Joins("LEFT JOIN (SELECT user_id, COUNT(*) AS order_count FROM (SELECT renter_id AS user_id FROM rental_orders UNION ALL SELECT owner_id AS user_id FROM rental_orders) AS order_users GROUP BY user_id) AS o ON o.user_id = u.id").
 		Joins("LEFT JOIN (SELECT owner_id AS user_id, COUNT(*) AS listing_count FROM rental_listings GROUP BY owner_id) AS l ON l.user_id = u.id").
 		Joins("LEFT JOIN (SELECT user_id, COUNT(*) AS dispute_count FROM (SELECT initiator_id AS user_id FROM disputes UNION ALL SELECT target_user_id AS user_id FROM disputes) AS dispute_users GROUP BY user_id) AS d ON d.user_id = u.id").
-		Joins("LEFT JOIN (SELECT renter_id AS user_id, SUM(deposit_waived_amount) AS deposit_free_used FROM rental_orders WHERE status NOT IN ('completed', 'cancelled', 'closed') GROUP BY renter_id) AS df ON df.user_id = u.id").
+		Joins("LEFT JOIN (SELECT renter_id AS user_id, SUM(deposit_waived_amount_cent) AS deposit_free_used_cent FROM rental_orders WHERE status NOT IN ('completed', 'cancelled', 'closed') GROUP BY renter_id) AS df ON df.user_id = u.id").
 		Where("u.id = ?", userID).
 		First(&row).Error
 	if err != nil {
@@ -146,11 +139,11 @@ type userRow struct {
 	OrderCount          int64
 	ListingCount        int64
 	DisputeCount        int64
-	DepositFreeUsed float64
+	DepositFreeUsedCent int64
 }
 
 func (row userRow) toDTO() UserDTO {
-	remaining := roundMoney(row.DepositFreeQuota - row.DepositFreeUsed)
+	remaining := row.DepositFreeQuotaCent - row.DepositFreeUsedCent
 	if remaining < 0 {
 		remaining = 0
 	}
@@ -161,9 +154,9 @@ func (row userRow) toDTO() UserDTO {
 		RealnameStatus:           row.RealnameStatus,
 		RiskStatus:               row.RiskStatus,
 		CreditScore:              row.CreditScore,
-		DepositFreeQuota:     row.DepositFreeQuota,
-		DepositFreeUsed:      roundMoney(row.DepositFreeUsed),
-		DepositFreeRemaining: remaining,
+		DepositFreeQuotaCent:     row.DepositFreeQuotaCent,
+		DepositFreeUsedCent:      row.DepositFreeUsedCent,
+		DepositFreeRemainingCent: remaining,
 		Status:                   row.Status,
 		OrderCount:               row.OrderCount,
 		ListingCount:             row.ListingCount,
@@ -174,15 +167,8 @@ func (row userRow) toDTO() UserDTO {
 	}
 }
 
-func roundMoney(value float64) float64 {
-	return money.Round(value)
-}
-
 func depositFreeQuotaAmountCent(req DepositFreeQuotaRequest) int64 {
-	if req.AmountCent != 0 {
 	return req.AmountCent
-	}
-	return int64(math.Round(req.Amount * 100))
 }
 
 func appendAuditLog(tx *gorm.DB, actorID uint64, action string, bizID uint64, meta AuditMeta, detail map[string]any) error {

backend/internal/modules/adminuser/repository_test.go

@@ -9,18 +9,13 @@ func TestDepositFreeQuotaAmountCent(t *testing.T) {
 		want int64
 	}{
 		{
-			name: "优先使用分字段",
-			req:  DepositFreeQuotaRequest{AmountCent: 1234, Amount: 99},
-			want: 1234,
-		},
-		{
-			name: "缺少分字段时回退元字段",
-			req:  DepositFreeQuotaRequest{Amount: 12.34},
+			name: "使用分字段",
+			req:  DepositFreeQuotaRequest{AmountCent: 1234},
 			want: 1234,
 		},
 		{
 			name: "负分拒绝",
-			req:  DepositFreeQuotaRequest{AmountCent: -1, Amount: 12.34},
+			req:  DepositFreeQuotaRequest{AmountCent: -1},
 			want: -1,
 		},
 	}

backend/internal/modules/adminuser/service.go

@@ -46,7 +46,7 @@ func (s *Service) SetDepositFreeQuota(adminID uint64, userID uint64, req Deposit
 	if s.repo == nil {
 		return nil, ErrDependencyUnavailable
 	}
-	if userID == 0 || req.Amount < 0 {
+	if userID == 0 || req.AmountCent < 0 {
 		return nil, ErrInvalidUser
 	}
 	return s.repo.SetDepositFreeQuota(adminID, userID, req, meta)

backend/internal/modules/dispute/dto.go

@@ -37,7 +37,7 @@ type CreateRequest struct {
 type ArbitrateRequest struct {
 	Result     string `json:"result" binding:"required"`
 	Remark     string `json:"remark" binding:"required"`
-	Amount float64 `json:"amount"`
+	AmountCent int64  `json:"amount_cent"`
 }
 type AuditMeta = auditlog.Meta
 

backend/internal/modules/dispute/repository.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"math"
 	"time"
 
 	"hfb_sys/backend/internal/auditlog"
@@ -249,9 +248,8 @@ func (r *Repository) Arbitrate(adminID uint64, id uint64, req ArbitrateRequest,
 		if err := wallet.AppendEntries(tx, settlement.Entries...); err != nil {
 			return err
 		}
-		if settlement.RenterRefundAmount > 0 {
-			refundCent := int64(math.Round(settlement.RenterRefundAmount * 100))
-			action, err := r.prepareRefund(&order, refundCent, "arbitration_refund", "仲裁退款原路退还")
+		if settlement.RenterRefundAmountCent > 0 {
+			action, err := r.prepareRefund(&order, settlement.RenterRefundAmountCent, "arbitration_refund", "仲裁退款原路退还")
 			if err != nil {
 				return err
 			}
@@ -286,10 +284,10 @@ func (r *Repository) Arbitrate(adminID uint64, id uint64, req ArbitrateRequest,
 			"order_no":                   order.OrderNo,
 			"result":                     req.Result,
 			"remark":                     req.Remark,
-			"input_amount":             req.Amount,
-			"renter_refund_amount":     settlement.RenterRefundAmount,
-			"owner_income_amount":      settlement.OwnerIncomeAmount,
-			"deposit_deduct_amount":    settlement.DepositDeductAmount,
+			"input_amount_cent":          req.AmountCent,
+			"renter_refund_amount_cent":  settlement.RenterRefundAmountCent,
+			"owner_income_amount_cent":   settlement.OwnerIncomeAmountCent,
+			"deposit_deduct_amount_cent": settlement.DepositDeductAmountCent,
 			"before_order_status":        beforeOrderStatus,
 			"after_order_status":         order.Status,
 			"before_handoff_status":      beforeHandoffStatus,
@@ -339,35 +337,28 @@ func (r *Repository) Arbitrate(adminID uint64, id uint64, req ArbitrateRequest,
 
 type arbitrationSettlement struct {
 	Entries                 []wallet.Entry
-	RenterRefundAmount  float64
-	OwnerIncomeAmount   float64
-	DepositDeductAmount float64
+	RenterRefundAmountCent  int64
+	OwnerIncomeAmountCent   int64
+	DepositDeductAmountCent int64
 }
 
-func buildArbitrationSettlement(order model.RentalOrder, req ArbitrateRequest, renterFrozenBalance float64) (arbitrationSettlement, error) {
-	rentAmount := float64(order.RentAmountCent) / 100
-	if rentAmount <= 0 {
-		rentAmount = order.RentAmount
+func buildArbitrationSettlement(order model.RentalOrder, req ArbitrateRequest, renterFrozenBalanceCent int64) (arbitrationSettlement, error) {
+	rentAmountCent := order.RentAmountCent
+	depositAmountCent := order.DepositAmountCent
+	ownerRentAmountCent := order.OwnerRentAmountCent
+	if ownerRentAmountCent <= 0 || ownerRentAmountCent > rentAmountCent {
+		ownerRentAmountCent = rentAmountCent
 	}
-	depositAmount := float64(order.DepositAmountCent) / 100
-	if depositAmount <= 0 {
-		depositAmount = order.DepositAmount
-	}
-	ownerRentAmount := float64(order.OwnerRentAmountCent) / 100
-	if ownerRentAmount <= 0 || ownerRentAmount > rentAmount {
-		ownerRentAmount = rentAmount
-	}
-	total := roundMoney(rentAmount + depositAmount)
-	ownerRentAmount = roundMoney(ownerRentAmount)
+	totalCent := rentAmountCent + depositAmountCent
 	settlement := arbitrationSettlement{}
 	orderID := order.ID
-	releaseFrozenAmount := minMoney(total, roundMoney(renterFrozenBalance))
-	if releaseFrozenAmount > 0 {
+	releaseFrozenAmountCent := money.MinCent(totalCent, renterFrozenBalanceCent)
+	if releaseFrozenAmountCent > 0 {
 		settlement.Entries = append(settlement.Entries, wallet.Entry{
 			UserID:      order.RenterID,
 			OrderID:     &orderID,
 			Direction:   "out",
-			AmountCent:  int64(math.Round(releaseFrozenAmount * 100)),
+			AmountCent:  releaseFrozenAmountCent,
 			BalanceType: "frozen",
 			BizType:     "arbitration_release_frozen",
 			BizNo:       order.OrderNo,
@@ -375,22 +366,22 @@ func buildArbitrationSettlement(order model.RentalOrder, req ArbitrateRequest, r
 		})
 	}
 
-	addRenterRefund := func(amount float64, remark string) {
-		if amount <= 0 {
+	addRenterRefund := func(amountCent int64, remark string) {
+		if amountCent <= 0 {
 			return
 		}
-		settlement.RenterRefundAmount += amount
+		settlement.RenterRefundAmountCent += amountCent
 	}
-	addOwnerIncome := func(amount float64, remark string) {
-		if amount <= 0 {
+	addOwnerIncome := func(amountCent int64, remark string) {
+		if amountCent <= 0 {
 			return
 		}
-		settlement.OwnerIncomeAmount += amount
+		settlement.OwnerIncomeAmountCent += amountCent
 		settlement.Entries = append(settlement.Entries, wallet.Entry{
 			UserID:      order.OwnerID,
 			OrderID:     &orderID,
 			Direction:   "in",
-			AmountCent:  int64(math.Round(amount * 100)),
+			AmountCent:  amountCent,
 			BalanceType: "available",
 			BizType:     "arbitration_owner_income",
 			BizNo:       order.OrderNo,
@@ -400,28 +391,27 @@ func buildArbitrationSettlement(order model.RentalOrder, req ArbitrateRequest, r
 
 	switch req.Result {
 	case "full_refund":
-		addRenterRefund(total, "仲裁全额退款")
+		addRenterRefund(totalCent, "仲裁全额退款")
 	case "partial_refund":
-		req.Amount = roundMoney(req.Amount)
-		if req.Amount <= 0 || req.Amount > total {
+		if req.AmountCent <= 0 || req.AmountCent > totalCent {
 			return settlement, ErrInvalidDispute
 		}
-		addRenterRefund(req.Amount, "仲裁部分退款")
-		addOwnerIncome(minMoney(total-req.Amount, ownerRentAmount+depositAmount), "仲裁剩余金额结算给号主")
+		addRenterRefund(req.AmountCent, "仲裁部分退款")
+		addOwnerIncome(money.MinCent(totalCent-req.AmountCent, ownerRentAmountCent+depositAmountCent), "仲裁剩余金额结算给号主")
 	case "release_deposit":
-		addOwnerIncome(ownerRentAmount, "仲裁确认订单金额结算给号主")
-		addRenterRefund(depositAmount, "仲裁释放押金给租客")
+		addOwnerIncome(ownerRentAmountCent, "仲裁确认订单金额结算给号主")
+		addRenterRefund(depositAmountCent, "仲裁释放押金给租客")
 	case "deduct_deposit", "compensate_owner":
-		deductAmount := roundMoney(req.Amount)
-		if deductAmount <= 0 {
-			deductAmount = depositAmount
+		deductAmountCent := req.AmountCent
+		if deductAmountCent <= 0 {
+			deductAmountCent = depositAmountCent
 		}
-		if deductAmount > depositAmount {
+		if deductAmountCent > depositAmountCent {
 			return settlement, ErrInvalidDispute
 		}
-		settlement.DepositDeductAmount = deductAmount
-		addOwnerIncome(ownerRentAmount+deductAmount, "仲裁订单金额及押金赔付结算给号主")
-		addRenterRefund(depositAmount-deductAmount, "仲裁退回剩余押金给租客")
+		settlement.DepositDeductAmountCent = deductAmountCent
+		addOwnerIncome(ownerRentAmountCent+deductAmountCent, "仲裁订单金额及押金赔付结算给号主")
+		addRenterRefund(depositAmountCent-deductAmountCent, "仲裁退回剩余押金给租客")
 	case "order_close":
 		// Only release frozen funds. No available-balance settlement happens in development mode.
 	case "mark_abnormal":
@@ -457,7 +447,7 @@ func (r *Repository) startRefundBestEffort(action *refundAction) {
 	_, _ = r.refundFunc(action.OrderID, action.RefundAmountCent, action.BizType, action.Remark)
 }
 
-func renterFrozenBalance(tx *gorm.DB, renterID uint64) (float64, error) {
+func renterFrozenBalance(tx *gorm.DB, renterID uint64) (int64, error) {
 	var account model.WalletAccount
 	err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).
 		Where("user_id = ?", renterID).
@@ -468,17 +458,7 @@ func renterFrozenBalance(tx *gorm.DB, renterID uint64) (float64, error) {
 	if err != nil {
 		return 0, err
 	}
-	return account.FrozenBalance, nil
-}
-
-// minMoney 返回较小金额（角精度）
-func minMoney(a float64, b float64) float64 {
-	return money.Min(a, b)
-}
-
-// roundMoney 使用统一的角精度（0.1元）
-func roundMoney(value float64) float64 {
-	return money.Round(value)
+	return account.FrozenBalanceCent, nil
 }
 
 func (r *Repository) baseQuery() *gorm.DB {
@@ -550,14 +530,14 @@ func buildArbitrationHandoffContent(req ArbitrateRequest, settlement arbitration
 	if req.Remark != "" {
 		content += "\n处理说明：" + req.Remark
 	}
-	if settlement.RenterRefundAmount > 0 {
-		content += fmt.Sprintf("\n退款给租客：¥%.2f", settlement.RenterRefundAmount)
+	if settlement.RenterRefundAmountCent > 0 {
+		content += "\n退款给租客：" + money.FormatWithSymbol(settlement.RenterRefundAmountCent)
 	}
-	if settlement.OwnerIncomeAmount > 0 {
-		content += fmt.Sprintf("\n结算给号主：¥%.2f", settlement.OwnerIncomeAmount)
+	if settlement.OwnerIncomeAmountCent > 0 {
+		content += "\n结算给号主：" + money.FormatWithSymbol(settlement.OwnerIncomeAmountCent)
 	}
-	if settlement.DepositDeductAmount > 0 {
-		content += fmt.Sprintf("\n押金扣除：¥%.2f", settlement.DepositDeductAmount)
+	if settlement.DepositDeductAmountCent > 0 {
+		content += "\n押金扣除：" + money.FormatWithSymbol(settlement.DepositDeductAmountCent)
 	}
 	return content
 }

backend/internal/modules/dispute/repository_test.go

@@ -31,11 +31,11 @@ func TestBuildArbitrationSettlementSkipsFrozenReleaseWhenNoFrozenBalance(t *test
 			t.Fatalf("不应在无冻结余额时生成解冻流水: %+v", entry)
 		}
 	}
-	if settlement.OwnerIncomeAmount != 180 {
-		t.Fatalf("OwnerIncomeAmount = %.1f, want 180.0", settlement.OwnerIncomeAmount)
+	if settlement.OwnerIncomeAmountCent != 18000 {
+		t.Fatalf("OwnerIncomeAmountCent = %d, want 18000", settlement.OwnerIncomeAmountCent)
 	}
-	if settlement.RenterRefundAmount != 100 {
-		t.Fatalf("RenterRefundAmount = %.1f, want 100.0", settlement.RenterRefundAmount)
+	if settlement.RenterRefundAmountCent != 10000 {
+		t.Fatalf("RenterRefundAmountCent = %d, want 10000", settlement.RenterRefundAmountCent)
 	}
 	for _, entry := range settlement.Entries {
 		if entry.UserID == order.RenterID && entry.BizType == "arbitration_renter_refund" {
@@ -58,7 +58,7 @@ func TestBuildArbitrationSettlementLimitsFrozenReleaseToExistingBalance(t *testi
 	settlement, err := buildArbitrationSettlement(order, ArbitrateRequest{
 		Result: "order_close",
 		Remark: "测试裁决",
-	}, 120)
+	}, 12000)
 	if err != nil {
 		t.Fatalf("buildArbitrationSettlement() error = %v", err)
 	}
@@ -83,15 +83,15 @@ func TestBuildArbitrationHandoffContent(t *testing.T) {
 		Result: "partial_refund",
 		Remark: "账号异常，退还部分租金。",
 	}, arbitrationSettlement{
-		RenterRefundAmount: 80,
-		OwnerIncomeAmount:  120,
+		RenterRefundAmountCent: 8000,
+		OwnerIncomeAmountCent:  12000,
 	})
 
 	wantParts := []string{
 		"客服仲裁结果：部分退款",
 		"处理说明：账号异常，退还部分租金。",
-		"退款给租客：¥80.00",
-		"结算给号主：¥120.00",
+		"退款给租客：¥80.0",
+		"结算给号主：¥120.0",
 	}
 	for _, part := range wantParts {
 		if !strings.Contains(content, part) {

backend/internal/modules/listing/dto.go

@@ -46,8 +46,8 @@ type CreateRequest struct {
 	HafCoinAmount     int64          `json:"haf_coin_amount"`
 	AssetSummary      map[string]any `json:"asset_summary"`
 	ScreenshotURLS    []string       `json:"screenshot_urls"`
-	Price          float64        `json:"price"`
-	DepositAmount  float64        `json:"deposit_amount"`
+	PriceCent         int64          `json:"price_cent"`
+	DepositAmountCent int64          `json:"deposit_amount_cent"`
 
 	AgreedVirtualAssetSale bool `json:"agreed_virtual_asset_sale"`
 	AgreedSellerAgreement  bool `json:"agreed_seller_agreement"`
@@ -61,7 +61,7 @@ type ReviewRequest struct {
 
 type AdminPriceAdjustRequest struct {
 	BuyerRatio          float64 `json:"buyer_ratio"`
-	BuyerTotalPrice float64 `json:"buyer_total_price"`
+	BuyerTotalPriceCent int64   `json:"buyer_total_price_cent"`
 	Reason              string  `json:"reason"`
 }
 

backend/internal/modules/listing/repository.go

@@ -79,16 +79,13 @@ func (r *Repository) Create(ownerID uint64, req CreateRequest, reviewRequired bo
 		if err := tx.Create(&account).Error; err != nil {
 			return err
 		}
-		price := normalizedListingPrice(req)
-		depositAmount := roundMoney(req.DepositAmount)
+		priceCent := normalizedListingPriceCent(req)
 		listing := model.RentalListing{
 			ListingNo:         listingNo,
 			AccountID:         account.ID,
 			OwnerID:           ownerID,
-			Price:             price,
-			PriceCent:         int64(math.Round(price * 100)),
-			DepositAmount:     depositAmount,
-			DepositAmountCent: int64(math.Round(depositAmount * 100)),
+			PriceCent:         priceCent,
+			DepositAmountCent: req.DepositAmountCent,
 			Status:            listingStatus,
 			ReviewStatus:      reviewStatus,
 			PublishedAt:       publishedAt,
@@ -149,16 +146,13 @@ func (r *Repository) CreateFromExternalUpload(upload externalUploadCreate, req C
 		if err := tx.Create(&account).Error; err != nil {
 			return err
 		}
-		price := normalizedListingPrice(req)
-		depositAmount := roundMoney(req.DepositAmount)
+		priceCent := normalizedListingPriceCent(req)
 		listing := model.RentalListing{
 			ListingNo:         listingNo,
 			AccountID:         account.ID,
 			OwnerID:           owner.ID,
-			Price:             price,
-			PriceCent:         int64(math.Round(price * 100)),
-			DepositAmount:     depositAmount,
-			DepositAmountCent: int64(math.Round(depositAmount * 100)),
+			PriceCent:         priceCent,
+			DepositAmountCent: req.DepositAmountCent,
 			Status:            "draft",
 			ReviewStatus:      "pending",
 		}
@@ -216,9 +210,8 @@ func (r *Repository) Update(ownerID uint64, listingID uint64, req UpdateRequest,
 		}
 		account.ScreenshotURLS = screenshots
 
-		price := normalizedListingPrice(req)
-		listing.Price = price
-		listing.DepositAmount = roundMoney(req.DepositAmount)
+		listing.PriceCent = normalizedListingPriceCent(req)
+		listing.DepositAmountCent = req.DepositAmountCent
 		listingStatus, reviewStatus, publishedAt := initialPublishState(reviewRequired)
 		listing.Status = listingStatus
 		listing.ReviewStatus = reviewStatus
@@ -521,7 +514,7 @@ func (r *Repository) AdjustReviewPrice(adminID uint64, listingID uint64, req Adm
 		}
 		sellerTotalPrice := readSummaryNumber(breakdown["seller_total_price"])
 		if sellerTotalPrice <= 0 {
-			sellerTotalPrice = math.Max(0, listing.Price-consumablePrice)
+			sellerTotalPrice = math.Max(0, centToYuan(listing.PriceCent)-consumablePrice)
 		}
 		sellerCoinBasePrice := readSummaryNumber(breakdown["seller_coin_base_price"])
 		if sellerCoinBasePrice <= 0 {
@@ -536,13 +529,13 @@ func (r *Repository) AdjustReviewPrice(adminID uint64, listingID uint64, req Adm
 			return ErrInvalidPrice
 		}
 
-		beforePrice := listing.Price
+		beforePriceCent := listing.PriceCent
 		beforeRatio := readSummaryNumber(breakdown["buyer_ratio"])
-		if beforeRatio <= 0 && listing.Price > consumablePrice {
-			beforeRatio = roundRatio(coinWan / (listing.Price - consumablePrice))
+		if beforeRatio <= 0 && centToYuan(listing.PriceCent) > consumablePrice {
+			beforeRatio = roundRatio(coinWan / (centToYuan(listing.PriceCent) - consumablePrice))
 		}
 
-		listing.Price = buyerTotalPrice
+		listing.PriceCent = yuanToCent(buyerTotalPrice)
 		summary["publish_ratio"] = buyerRatio
 		breakdown["seller_coin_base_price"] = roundMoney(sellerCoinBasePrice)
 		breakdown["seller_total_price"] = roundMoney(sellerTotalPrice)
@@ -572,8 +565,8 @@ func (r *Repository) AdjustReviewPrice(adminID uint64, listingID uint64, req Adm
 			"listing_id":         listing.ID,
 			"account_id":         account.ID,
 			"owner_id":           listing.OwnerID,
-			"before_price":       beforePrice,
-			"after_price":        listing.Price,
+			"before_price_cent":  beforePriceCent,
+			"after_price_cent":   listing.PriceCent,
 			"before_buyer_ratio": beforeRatio,
 			"after_buyer_ratio":  buyerRatio,
 			"platform_markup":    breakdown["platform_markup_amount"],
@@ -783,9 +776,9 @@ func canListPublicWithSQL(query PublicListQuery) bool {
 func applyPublicSQLSort(db *gorm.DB, sortKey string) *gorm.DB {
 	switch sortKey {
 	case "priceAsc":
-		return db.Order("l.price ASC, l.published_at DESC, l.id DESC")
+		return db.Order("l.price_cent ASC, l.published_at DESC, l.id DESC")
 	case "priceDesc":
-		return db.Order("l.price DESC, l.published_at DESC, l.id DESC")
+		return db.Order("l.price_cent DESC, l.published_at DESC, l.id DESC")
 	case "coinDesc":
 		return db.Order("a.haf_coin_amount DESC, l.published_at DESC, l.id DESC")
 	default:
@@ -1384,16 +1377,16 @@ func rowsToDTO(rows []listingRow) []ListingDTO {
 	return items
 }
 
-func normalizedListingPrice(req CreateRequest) float64 {
+func normalizedListingPriceCent(req CreateRequest) int64 {
 	if req.AssetSummary != nil {
 		if breakdown, ok := req.AssetSummary["price_breakdown"].(map[string]any); ok {
 			buyerPrice := readSummaryNumber(breakdown["buyer_total_price"])
 			if buyerPrice > 0 {
-				return roundMoney(buyerPrice)
+				return yuanToCent(buyerPrice)
 			}
 		}
 	}
-	return roundMoney(req.Price)
+	return req.PriceCent
 }
 
 func publicListings(items []ListingDTO) []ListingDTO {
@@ -1620,8 +1613,8 @@ func ensurePriceBreakdown(summary map[string]any) map[string]any {
 }
 
 func calculateAdminAdjustedPrice(req AdminPriceAdjustRequest, coinWan float64, consumablePrice float64) (float64, float64, float64) {
-	if req.BuyerTotalPrice > 0 {
-		buyerTotalPrice := roundMoney(req.BuyerTotalPrice)
+	if req.BuyerTotalPriceCent > 0 {
+		buyerTotalPrice := roundMoney(centToYuan(req.BuyerTotalPriceCent))
 		buyerCoinBasePrice := roundMoney(buyerTotalPrice - consumablePrice)
 		if buyerCoinBasePrice <= 0 || coinWan <= 0 {
 			return 0, 0, 0
@@ -1643,6 +1636,14 @@ func roundRatio(value float64) float64 {
 	return math.Round(value*10) / 10
 }
 
+func yuanToCent(value float64) int64 {
+	return int64(math.Round(roundMoney(value) * 100))
+}
+
+func centToYuan(value int64) float64 {
+	return float64(value) / 100
+}
+
 func cleanScreenshotURLs(urls []string) []string {
 	cleaned := make([]string, 0, len(urls))
 	seen := make(map[string]struct{}, len(urls))

backend/internal/modules/listing/service.go

@@ -252,7 +252,7 @@ func (s *Service) AdjustReviewPrice(adminID uint64, id uint64, req AdminPriceAdj
 	if s.repo == nil {
 		return nil, ErrDependencyUnavailable
 	}
-	if req.BuyerRatio <= 0 && req.BuyerTotalPrice <= 0 {
+	if req.BuyerRatio <= 0 && req.BuyerTotalPriceCent <= 0 {
 		return nil, ErrInvalidPrice
 	}
 	return s.repo.AdjustReviewPrice(adminID, id, req, meta)
@@ -328,13 +328,13 @@ func validateRequest(req CreateRequest, rules publishRules) error {
 	if strings.TrimSpace(req.ServerRegion) == "" {
 		return ErrMissingServerRegion
 	}
-	if normalizedListingPrice(req) <= 0 {
+	if normalizedListingPriceCent(req) <= 0 {
 		return ErrInvalidPrice
 	}
-	if req.DepositAmount < 0 {
+	if req.DepositAmountCent < 0 {
 		return ErrInvalidDeposit
 	}
-	if consumables := consumableValue(req.AssetSummary); consumables > 0 && req.DepositAmount <= consumables {
+	if consumables := consumableValue(req.AssetSummary); consumables > 0 && req.DepositAmountCent <= yuanToCent(consumables) {
 		return ErrDepositTooLow
 	}
 	if req.HafCoinAmount < 0 {
@@ -533,8 +533,8 @@ func externalAccountToCreateRequest(uploaderName string, uploadTime int64, item
 		HafCoinAmount:     int64(math.Round(hafCoinM * 1000000)),
 		AssetSummary:      assetSummary,
 		ScreenshotURLS:    []string{defaultUploadScreenshot},
-		Price:          price,
-		DepositAmount:  item.Deposit,
+		PriceCent:         yuanToCent(price),
+		DepositAmountCent: yuanToCent(item.Deposit),
 	}
 }
 

backend/internal/modules/listing/service_test.go

@@ -27,7 +27,7 @@ func TestCalculateAdminAdjustedPriceByRatio(t *testing.T) {
 }
 
 func TestCalculateAdminAdjustedPriceByTotalPrice(t *testing.T) {
-	base, total, ratio := calculateAdminAdjustedPrice(AdminPriceAdjustRequest{BuyerTotalPrice: 70}, 1000, 20)
+	base, total, ratio := calculateAdminAdjustedPrice(AdminPriceAdjustRequest{BuyerTotalPriceCent: 7000}, 1000, 20)
 	if base != 50 || total != 70 || ratio != 20 {
 		t.Fatalf("unexpected adjusted price: base=%.2f total=%.2f ratio=%.2f", base, total, ratio)
 	}
@@ -37,8 +37,8 @@ func TestValidateRequestRequiresDepositAboveConsumables(t *testing.T) {
 	req := CreateRequest{
 		Title:             "测试账号",
 		ServerRegion:      "烽火地带",
-		Price:          100,
-		DepositAmount:  2,
+		PriceCent:         10000,
+		DepositAmountCent: 200,
 		HafCoinAmount:     1000000,
 		ScreenshotURLS:    []string{"https://example.com/a.png"},
 		AssetSummary: map[string]any{
@@ -52,7 +52,7 @@ func TestValidateRequestRequiresDepositAboveConsumables(t *testing.T) {
 		t.Fatalf("expected ErrDepositTooLow, got %v", err)
 	}
 
-	req.DepositAmount = 3
+	req.DepositAmountCent = 300
 	if err := validateRequest(req, publishRules{}); err != nil {
 		t.Fatalf("expected valid request, got %v", err)
 	}
@@ -159,8 +159,8 @@ func TestExternalAccountToCreateRequestMapsUploadFields(t *testing.T) {
 	if req.HafCoinAmount != 197100000 {
 		t.Fatalf("expected haf coin amount 197100000, got %d", req.HafCoinAmount)
 	}
-	if req.Price != 458 || req.DepositAmount != 400 {
-		t.Fatalf("unexpected price/deposit %.2f/%.2f", req.Price, req.DepositAmount)
+	if req.PriceCent != 45800 || req.DepositAmountCent != 40000 {
+		t.Fatalf("unexpected price/deposit cent %d/%d", req.PriceCent, req.DepositAmountCent)
 	}
 	if req.AssetSummary["season_insurance"] != "3*3" {
 		t.Fatalf("expected 3*3 insurance, got %#v", req.AssetSummary["season_insurance"])

backend/internal/modules/order/dto.go

@@ -55,17 +55,17 @@ type SubmitReturnRequest struct {
 
 type SubmitCheckoutRequest struct {
 	Content              string   `json:"content" binding:"required"`
-	ConsumableAmount float64  `json:"consumable_amount"`
+	ConsumableAmountCent int64    `json:"consumable_amount_cent"`
 	CoinConsumedM        float64  `json:"coin_consumed_m"`
-	OtherAmount      float64  `json:"other_amount"`
+	OtherAmountCent      int64    `json:"other_amount_cent"`
 	EvidenceURLS         []string `json:"evidence_urls"`
 }
 
 type CounterCheckoutRequest struct {
-	ConsumableAmount    float64  `json:"consumable_amount"`
+	ConsumableAmountCent    int64    `json:"consumable_amount_cent"`
 	CoinConsumedM           float64  `json:"coin_consumed_m"`
-	OtherAmount         float64  `json:"other_amount"`
-	DepositDeductAmount float64  `json:"deposit_deduct_amount"`
+	OtherAmountCent         int64    `json:"other_amount_cent"`
+	DepositDeductAmountCent int64    `json:"deposit_deduct_amount_cent"`
 	Reason                  string   `json:"reason" binding:"required"`
 	EvidenceURLS            []string `json:"evidence_urls"`
 }

backend/internal/modules/order/repository.go

@@ -77,22 +77,22 @@ func orderDurationHours(order model.RentalOrder) int {
 }
 
 func buildOrderPricing(listing model.RentalListing, account model.GameAccount) orderPricing {
-	rentAmount := roundMoney(listing.Price)
-	ownerRentAmount := readSnapshotPrice(account.AssetSummary, "seller_total_price")
-	if ownerRentAmount <= 0 || ownerRentAmount > rentAmount {
-		ownerRentAmount = rentAmount
+	rentAmountCent := listing.PriceCent
+	ownerRentAmountCent := int64(math.Round(readSnapshotPrice(account.AssetSummary, "seller_total_price") * 100))
+	if ownerRentAmountCent <= 0 || ownerRentAmountCent > rentAmountCent {
+		ownerRentAmountCent = rentAmountCent
 	}
-	platformFee := readSnapshotPrice(account.AssetSummary, "platform_markup_amount")
-	if platformFee <= 0 || roundMoney(ownerRentAmount+platformFee) != rentAmount {
-		platformFee = roundMoney(rentAmount - ownerRentAmount)
+	platformFeeCent := int64(math.Round(readSnapshotPrice(account.AssetSummary, "platform_markup_amount") * 100))
+	if platformFeeCent <= 0 || ownerRentAmountCent+platformFeeCent != rentAmountCent {
+		platformFeeCent = rentAmountCent - ownerRentAmountCent
 	}
-	if platformFee < 0 {
-		platformFee = 0
+	if platformFeeCent < 0 {
+		platformFeeCent = 0
 	}
 	return orderPricing{
-		RentAmountCent:      int64(math.Round(rentAmount * 100)),
-		OwnerRentAmountCent: int64(math.Round(ownerRentAmount * 100)),
-		PlatformFeeCent:     int64(math.Round(platformFee * 100)),
+		RentAmountCent:      rentAmountCent,
+		OwnerRentAmountCent: ownerRentAmountCent,
+		PlatformFeeCent:     platformFeeCent,
 	}
 }
 
@@ -173,8 +173,8 @@ func (r *Repository) Create(renterID uint64, req CreateRequest) (*OrderDTO, erro
 		}
 		rentHours := internalOrderHours
 		pricing := buildOrderPricing(listing, account)
-		depositOriginalAmount := roundMoney(listing.DepositAmount)
-		paidDepositAmount, waivedDepositAmount, err := r.depositAmountsForOrder(tx, renterID, depositOriginalAmount)
+		depositOriginalAmountCent := listing.DepositAmountCent
+		paidDepositAmountCent, waivedDepositAmountCent, err := r.depositAmountsForOrder(tx, renterID, depositOriginalAmountCent)
 		if err != nil {
 			return err
 		}
@@ -185,17 +185,11 @@ func (r *Repository) Create(renterID uint64, req CreateRequest) (*OrderDTO, erro
 			OwnerID:                   listing.OwnerID,
 			RenterID:                  renterID,
 			EstimatedDurationHours:    rentHours,
-			RentAmount:                float64(pricing.RentAmountCent) / 100,
 			RentAmountCent:            pricing.RentAmountCent,
-			OwnerRentAmount:           float64(pricing.OwnerRentAmountCent) / 100,
 			OwnerRentAmountCent:       pricing.OwnerRentAmountCent,
-			DepositAmount:             paidDepositAmount,
-			DepositAmountCent:         int64(math.Round(paidDepositAmount * 100)),
-			DepositOriginalAmount:     depositOriginalAmount,
-			DepositOriginalAmountCent: int64(math.Round(depositOriginalAmount * 100)),
-			DepositWaivedAmount:       waivedDepositAmount,
-			DepositWaivedAmountCent:   int64(math.Round(waivedDepositAmount * 100)),
-			PlatformFee:               float64(pricing.PlatformFeeCent) / 100,
+			DepositAmountCent:         paidDepositAmountCent,
+			DepositOriginalAmountCent: depositOriginalAmountCent,
+			DepositWaivedAmountCent:   waivedDepositAmountCent,
 			PlatformFeeCent:           pricing.PlatformFeeCent,
 			AccountSnapshot:           snapshot,
 			Status:                    "pending_payment",
@@ -231,9 +225,8 @@ func (r *Repository) Create(renterID uint64, req CreateRequest) (*OrderDTO, erro
 	return r.FindForUser(renterID, createdID)
 }
 
-func (r *Repository) depositAmountsForOrder(tx *gorm.DB, renterID uint64, originalDeposit float64) (float64, float64, error) {
-	originalDeposit = roundMoney(originalDeposit)
-	if originalDeposit <= 0 {
+func (r *Repository) depositAmountsForOrder(tx *gorm.DB, renterID uint64, originalDepositCent int64) (int64, int64, error) {
+	if originalDepositCent <= 0 {
 		return 0, 0, nil
 	}
 	var user model.User
@@ -244,28 +237,27 @@ func (r *Repository) depositAmountsForOrder(tx *gorm.DB, renterID uint64, origin
 	if err != nil {
 		return 0, 0, err
 	}
-	paidDeposit, waivedDeposit := calculateDepositWaiver(originalDeposit, user.DepositFreeQuota, used)
+	paidDeposit, waivedDeposit := calculateDepositWaiver(originalDepositCent, user.DepositFreeQuotaCent, used)
 	return paidDeposit, waivedDeposit, nil
 }
 
-func activeDepositFreeUsed(tx *gorm.DB, renterID uint64) (float64, error) {
-	var used float64
+func activeDepositFreeUsed(tx *gorm.DB, renterID uint64) (int64, error) {
+	var used int64
 	err := tx.Model(&model.RentalOrder{}).
 		Where("renter_id = ? AND status NOT IN ?",
 			renterID,
 			[]string{"completed", "cancelled", "closed"},
 		).
-		Select("COALESCE(SUM(deposit_waived_amount), 0)").
+		Select("COALESCE(SUM(deposit_waived_amount_cent), 0)").
 		Scan(&used).Error
-	return roundMoney(used), err
+	return used, err
 }
 
-func calculateDepositWaiver(originalDeposit float64, quota float64, used float64) (float64, float64) {
-	originalDeposit = roundMoney(originalDeposit)
-	remaining := maxMoney(roundMoney(quota)-roundMoney(used), 0)
-	waived := minMoney(originalDeposit, remaining)
-	paid := maxMoney(originalDeposit-waived, 0)
-	return roundMoney(paid), roundMoney(waived)
+func calculateDepositWaiver(originalDepositCent int64, quotaCent int64, usedCent int64) (int64, int64) {
+	remaining := maxCent(quotaCent-usedCent, 0)
+	waived := minCent(originalDepositCent, remaining)
+	paid := maxCent(originalDepositCent-waived, 0)
+	return paid, waived
 }
 
 // Pay 保留旧接口兼容，但真实付款必须走 payment 模块的渠道支付入口。
@@ -554,7 +546,7 @@ func (r *Repository) SubmitCheckout(userID uint64, orderID uint64, req SubmitChe
 		if err := tx.Create(&record).Error; err != nil {
 			return err
 		}
-		checkout, err := buildCheckout(order, order.RenterID, "submitted", req.Content, req.EvidenceURLS, req.ConsumableAmount, req.CoinConsumedM, req.OtherAmount, 0, false)
+		checkout, err := buildCheckout(order, order.RenterID, "submitted", req.Content, req.EvidenceURLS, req.ConsumableAmountCent, req.CoinConsumedM, req.OtherAmountCent, 0, false)
 		if err != nil {
 			return err
 		}
@@ -650,18 +642,22 @@ func (r *Repository) CounterCheckout(userID uint64, orderID uint64, req CounterC
 			First(&checkout).Error; err != nil {
 			return err
 		}
-		next, err := buildCheckout(order, checkout.InitiatedBy, "countered", checkout.Content, req.EvidenceURLS, req.ConsumableAmount, req.CoinConsumedM, req.OtherAmount, req.DepositDeductAmount, true)
+		next, err := buildCheckout(order, checkout.InitiatedBy, "countered", checkout.Content, req.EvidenceURLS, req.ConsumableAmountCent, req.CoinConsumedM, req.OtherAmountCent, req.DepositDeductAmountCent, true)
 		if err != nil {
 			return err
 		}
 		now := time.Now()
 		checkout.Status = "countered"
-		checkout.ConsumableAmount = next.ConsumableAmount
+		checkout.RentAmountCent = next.RentAmountCent
+		checkout.OwnerRentAmountCent = next.OwnerRentAmountCent
+		checkout.PlatformFeeCent = next.PlatformFeeCent
+		checkout.DepositAmountCent = next.DepositAmountCent
+		checkout.ConsumableAmountCent = next.ConsumableAmountCent
 		checkout.CoinConsumedM = next.CoinConsumedM
-		checkout.OtherAmount = next.OtherAmount
-		checkout.DepositDeductAmount = next.DepositDeductAmount
-		checkout.RenterRefundAmount = next.RenterRefundAmount
-		checkout.OwnerIncomeAmount = next.OwnerIncomeAmount
+		checkout.OtherAmountCent = next.OtherAmountCent
+		checkout.DepositDeductAmountCent = next.DepositDeductAmountCent
+		checkout.RenterRefundAmountCent = next.RenterRefundAmountCent
+		checkout.OwnerIncomeAmountCent = next.OwnerIncomeAmountCent
 		checkout.OwnerAdjustmentReason = req.Reason
 		checkout.OwnerAdjustedAt = &now
 		checkout.EvidenceURLS = next.EvidenceURLS
@@ -697,9 +693,9 @@ func (r *Repository) CounterCheckout(userID uint64, orderID uint64, req CounterC
 	}
 	dto := toCheckoutDTOForUser(*checkout, userID, model.RentalOrder{
 		OwnerID:             userID,
-		RentAmountCent:      int64(math.Round(checkout.RentAmount * 100)),
-		OwnerRentAmountCent: int64(math.Round(checkout.OwnerRentAmount * 100)),
-		DepositAmountCent:   int64(math.Round(checkout.DepositAmount * 100)),
+		RentAmountCent:      checkout.RentAmountCent,
+		OwnerRentAmountCent: checkout.OwnerRentAmountCent,
+		DepositAmountCent:   checkout.DepositAmountCent,
 	})
 	return &dto, nil
 }
@@ -1095,11 +1091,11 @@ func (r *Repository) finalizeCheckout(tx *gorm.DB, order *model.RentalOrder, che
 		refund = action
 	}
 
-	checkout.RentAmount = float64(settlement.ActualRentAmountCent) / 100
-	checkout.OwnerRentAmount = float64(settlement.OwnerRentIncomeCent) / 100
-	checkout.PlatformFee = float64(settlement.PlatformFeeCent) / 100
-	checkout.RenterRefundAmount = float64(settlement.RenterRefundCent) / 100
-	checkout.OwnerIncomeAmount = float64(settlement.OwnerIncomeCent) / 100
+	checkout.RentAmountCent = settlement.ActualRentAmountCent
+	checkout.OwnerRentAmountCent = settlement.OwnerRentIncomeCent
+	checkout.PlatformFeeCent = settlement.PlatformFeeCent
+	checkout.RenterRefundAmountCent = settlement.RenterRefundCent
+	checkout.OwnerIncomeAmountCent = settlement.OwnerIncomeCent
 	if err := notification.Append(tx,
 		notification.Entry{
 			UserID:  order.RenterID,
@@ -1229,22 +1225,18 @@ func applyPaymentDeadline(dto *OrderDTO, order model.RentalOrder, timeoutMinutes
 	dto.PaymentDeadlineAt = &deadline
 }
 
-func buildCheckout(order model.RentalOrder, initiatedBy uint64, status string, content string, evidenceURLS []string, consumableAmount float64, coinConsumedM float64, otherAmount float64, explicitDeduct float64, useExplicitDeduct bool) (model.OrderCheckout, error) {
-	if consumableAmount < 0 || coinConsumedM < 0 || otherAmount < 0 || explicitDeduct < 0 {
+func buildCheckout(order model.RentalOrder, initiatedBy uint64, status string, content string, evidenceURLS []string, consumableAmountCent int64, coinConsumedM float64, otherAmountCent int64, explicitDeductCent int64, useExplicitDeduct bool) (model.OrderCheckout, error) {
+	if consumableAmountCent < 0 || coinConsumedM < 0 || otherAmountCent < 0 || explicitDeductCent < 0 {
 		return model.OrderCheckout{}, ErrInvalidCheckoutAmount
 	}
-	consumableAmount = roundMoney(consumableAmount)
-	otherAmount = roundMoney(otherAmount)
-	explicitDeduct = roundMoney(explicitDeduct)
-	deductAmount := otherAmount
+	deductAmountCent := otherAmountCent
 	if useExplicitDeduct {
-		deductAmount = explicitDeduct
+		deductAmountCent = explicitDeductCent
 	}
-	depositAmountFromCent := float64(order.DepositAmountCent) / 100
-	if deductAmount > depositAmountFromCent {
+	if deductAmountCent > order.DepositAmountCent {
 		return model.OrderCheckout{}, ErrInvalidCheckoutAmount
 	}
-	settlement := calculateCheckoutSettlement(order, consumableAmount, roundQuantity(coinConsumedM), deductAmount)
+	settlement := calculateCheckoutSettlement(order, consumableAmountCent, roundQuantity(coinConsumedM), deductAmountCent)
 	evidence, err := marshalStringList(evidenceURLS)
 	if err != nil {
 		return model.OrderCheckout{}, err
@@ -1253,24 +1245,15 @@ func buildCheckout(order model.RentalOrder, initiatedBy uint64, status string, c
 		OrderID:                 order.ID,
 		InitiatedBy:             initiatedBy,
 		Status:                  status,
-		RentAmount:              float64(settlement.ActualRentAmountCent) / 100,
 		RentAmountCent:          settlement.ActualRentAmountCent,
-		OwnerRentAmount:         float64(settlement.OwnerRentIncomeCent) / 100,
 		OwnerRentAmountCent:     settlement.OwnerRentIncomeCent,
-		PlatformFee:             float64(settlement.PlatformFeeCent) / 100,
 		PlatformFeeCent:         settlement.PlatformFeeCent,
-		DepositAmount:           depositAmountFromCent,
 		DepositAmountCent:       order.DepositAmountCent,
-		ConsumableAmount:        consumableAmount,
-		ConsumableAmountCent:    int64(math.Round(consumableAmount * 100)),
+		ConsumableAmountCent:    consumableAmountCent,
 		CoinConsumedM:           roundQuantity(coinConsumedM),
-		OtherAmount:             otherAmount,
-		OtherAmountCent:         int64(math.Round(otherAmount * 100)),
-		DepositDeductAmount:     roundMoney(deductAmount),
+		OtherAmountCent:         otherAmountCent,
 		DepositDeductAmountCent: settlement.DepositCompensationCent,
-		RenterRefundAmount:      float64(settlement.RenterRefundCent) / 100,
 		RenterRefundAmountCent:  settlement.RenterRefundCent,
-		OwnerIncomeAmount:       float64(settlement.OwnerIncomeCent) / 100,
 		OwnerIncomeAmountCent:   settlement.OwnerIncomeCent,
 		Content:                 content,
 		EvidenceURLS:            evidence,
@@ -1278,57 +1261,55 @@ func buildCheckout(order model.RentalOrder, initiatedBy uint64, status string, c
 }
 
 func buildCheckoutSettlement(order model.RentalOrder, checkout *model.OrderCheckout) checkoutSettlement {
-	return calculateCheckoutSettlement(order, checkout.ConsumableAmount, checkout.CoinConsumedM, checkout.DepositDeductAmount)
+	return calculateCheckoutSettlement(order, checkout.ConsumableAmountCent, checkout.CoinConsumedM, checkout.DepositDeductAmountCent)
 }
 
-func calculateCheckoutSettlement(order model.RentalOrder, consumableAmount float64, coinConsumedM float64, depositDeductAmount float64) checkoutSettlement {
-	// 从分字段读取，转为元进行计算（保持现有逻辑兼容性）
-	orderRentAmount := float64(order.RentAmountCent) / 100
-	orderOwnerRentAmount := float64(order.OwnerRentAmountCent) / 100
-	orderDepositAmount := float64(order.DepositAmountCent) / 100
+func calculateCheckoutSettlement(order model.RentalOrder, consumableAmountCent int64, coinConsumedM float64, depositDeductAmountCent int64) checkoutSettlement {
+	orderRentAmountCent := order.RentAmountCent
+	orderOwnerRentAmountCent := order.OwnerRentAmountCent
+	orderDepositAmountCent := order.DepositAmountCent
 
-	buyerCoinBasePrice := readOrderSnapshotPrice(order.AccountSnapshot, "buyer_coin_base_price")
-	if buyerCoinBasePrice <= 0 || buyerCoinBasePrice > orderRentAmount {
-		buyerCoinBasePrice = orderRentAmount
+	buyerCoinBasePriceCent := int64(math.Round(readOrderSnapshotPrice(order.AccountSnapshot, "buyer_coin_base_price") * 100))
+	if buyerCoinBasePriceCent <= 0 || buyerCoinBasePriceCent > orderRentAmountCent {
+		buyerCoinBasePriceCent = orderRentAmountCent
 	}
-	sellerCoinBasePrice := readOrderSnapshotPrice(order.AccountSnapshot, "seller_coin_base_price")
-	if sellerCoinBasePrice <= 0 || sellerCoinBasePrice > orderOwnerRentAmount {
-		sellerCoinBasePrice = orderOwnerRentAmount
+	sellerCoinBasePriceCent := int64(math.Round(readOrderSnapshotPrice(order.AccountSnapshot, "seller_coin_base_price") * 100))
+	if sellerCoinBasePriceCent <= 0 || sellerCoinBasePriceCent > orderOwnerRentAmountCent {
+		sellerCoinBasePriceCent = orderOwnerRentAmountCent
 	}
-	prepaidConsumablePrice := readOrderSnapshotPrice(order.AccountSnapshot, "consumable_price")
-	if prepaidConsumablePrice <= 0 || prepaidConsumablePrice > orderRentAmount-buyerCoinBasePrice {
-		prepaidConsumablePrice = maxMoney(orderRentAmount-buyerCoinBasePrice, 0)
+	prepaidConsumablePriceCent := int64(math.Round(readOrderSnapshotPrice(order.AccountSnapshot, "consumable_price") * 100))
+	if prepaidConsumablePriceCent <= 0 || prepaidConsumablePriceCent > orderRentAmountCent-buyerCoinBasePriceCent {
+		prepaidConsumablePriceCent = maxCent(orderRentAmountCent-buyerCoinBasePriceCent, 0)
 	}
-	prepaidOwnerConsumablePrice := maxMoney(orderOwnerRentAmount-sellerCoinBasePrice, 0)
+	prepaidOwnerConsumablePriceCent := maxCent(orderOwnerRentAmountCent-sellerCoinBasePriceCent, 0)
 	totalCoinM := readOrderSnapshotCoinM(order.AccountSnapshot)
 	coinUseRatio := 1.0
 	if totalCoinM > 0 {
 		coinUseRatio = minRatio(maxRatio(roundQuantity(coinConsumedM)/totalCoinM, 0), 1)
 	}
-	usedBuyerCoinPrice := roundMoney(buyerCoinBasePrice * coinUseRatio)
-	usedOwnerCoinPrice := roundMoney(sellerCoinBasePrice * coinUseRatio)
-	usedBuyerConsumablePrice := minMoney(roundMoney(consumableAmount), prepaidConsumablePrice)
+	usedBuyerCoinPriceCent := int64(math.Round(float64(buyerCoinBasePriceCent) * coinUseRatio))
+	usedOwnerCoinPriceCent := int64(math.Round(float64(sellerCoinBasePriceCent) * coinUseRatio))
+	usedBuyerConsumablePriceCent := minCent(consumableAmountCent, prepaidConsumablePriceCent)
 	consumableUseRatio := 1.0
-	if prepaidConsumablePrice > 0 {
-		consumableUseRatio = minRatio(maxRatio(usedBuyerConsumablePrice/prepaidConsumablePrice, 0), 1)
+	if prepaidConsumablePriceCent > 0 {
+		consumableUseRatio = minRatio(maxRatio(float64(usedBuyerConsumablePriceCent)/float64(prepaidConsumablePriceCent), 0), 1)
 	}
-	usedOwnerConsumablePrice := roundMoney(prepaidOwnerConsumablePrice * consumableUseRatio)
-	actualRentAmount := minMoney(roundMoney(usedBuyerCoinPrice+usedBuyerConsumablePrice), orderRentAmount)
-	ownerRentIncome := minMoney(roundMoney(usedOwnerCoinPrice+usedOwnerConsumablePrice), orderOwnerRentAmount)
-	depositCompensation := minMoney(roundMoney(depositDeductAmount), orderDepositAmount)
-	rentRefund := maxMoney(orderRentAmount-actualRentAmount, 0)
-	depositRefund := maxMoney(orderDepositAmount-depositCompensation, 0)
+	usedOwnerConsumablePriceCent := int64(math.Round(float64(prepaidOwnerConsumablePriceCent) * consumableUseRatio))
+	actualRentAmountCent := minCent(usedBuyerCoinPriceCent+usedBuyerConsumablePriceCent, orderRentAmountCent)
+	ownerRentIncomeCent := minCent(usedOwnerCoinPriceCent+usedOwnerConsumablePriceCent, orderOwnerRentAmountCent)
+	depositCompensationCent := minCent(depositDeductAmountCent, orderDepositAmountCent)
+	rentRefundCent := maxCent(orderRentAmountCent-actualRentAmountCent, 0)
+	depositRefundCent := maxCent(orderDepositAmountCent-depositCompensationCent, 0)
 
-	// 最后转换为分返回
 	return checkoutSettlement{
-		OwnerRentIncomeCent:     int64(math.Round(ownerRentIncome * 100)),
-		DepositCompensationCent: int64(math.Round(depositCompensation * 100)),
-		OwnerIncomeCent:         int64(math.Round((ownerRentIncome + depositCompensation) * 100)),
-		RentRefundCent:          int64(math.Round(rentRefund * 100)),
-		DepositRefundCent:       int64(math.Round(depositRefund * 100)),
-		RenterRefundCent:        int64(math.Round((rentRefund + depositRefund) * 100)),
-		PlatformFeeCent:         int64(math.Round(maxMoney(actualRentAmount-ownerRentIncome, 0) * 100)),
-		ActualRentAmountCent:    int64(math.Round(actualRentAmount * 100)),
+		OwnerRentIncomeCent:     ownerRentIncomeCent,
+		DepositCompensationCent: depositCompensationCent,
+		OwnerIncomeCent:         ownerRentIncomeCent + depositCompensationCent,
+		RentRefundCent:          rentRefundCent,
+		DepositRefundCent:       depositRefundCent,
+		RenterRefundCent:        rentRefundCent + depositRefundCent,
+		PlatformFeeCent:         maxCent(actualRentAmountCent-ownerRentIncomeCent, 0),
+		ActualRentAmountCent:    actualRentAmountCent,
 	}
 }
 
@@ -1381,6 +1362,20 @@ func maxMoney(a float64, b float64) float64 {
 	return money.Max(a, b)
 }
 
+func minCent(a int64, b int64) int64 {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+func maxCent(a int64, b int64) int64 {
+	if a > b {
+		return a
+	}
+	return b
+}
+
 func minRatio(a float64, b float64) float64 {
 	if a < b {
 		return a
@@ -1522,13 +1517,6 @@ func toHandoffDTO(record model.HandoffRecord) HandoffRecordDTO {
 	}
 }
 
-func effectiveDepositOriginalAmount(order model.RentalOrder) float64 {
-	if order.DepositOriginalAmount > 0 {
-		return order.DepositOriginalAmount
-	}
-	return order.DepositAmount
-}
-
 func effectiveDepositOriginalAmountCent(order model.RentalOrder) int64 {
 	if order.DepositOriginalAmountCent > 0 {
 		return order.DepositOriginalAmountCent
@@ -1537,11 +1525,11 @@ func effectiveDepositOriginalAmountCent(order model.RentalOrder) int64 {
 }
 
 func toCheckoutAdminDTO(checkout model.OrderCheckout) CheckoutDTO {
-	rentAmountCent := int64(math.Round(checkout.RentAmount * 100))
-	ownerRentAmountCent := int64(math.Round(checkout.OwnerRentAmount * 100))
-	platformFeeCent := int64(math.Round(checkout.PlatformFee * 100))
-	renterRefundAmountCent := int64(math.Round(checkout.RenterRefundAmount * 100))
-	ownerIncomeAmountCent := int64(math.Round(checkout.OwnerIncomeAmount * 100))
+	rentAmountCent := checkout.RentAmountCent
+	ownerRentAmountCent := checkout.OwnerRentAmountCent
+	platformFeeCent := checkout.PlatformFeeCent
+	renterRefundAmountCent := checkout.RenterRefundAmountCent
+	ownerIncomeAmountCent := checkout.OwnerIncomeAmountCent
 	return CheckoutDTO{
 		ID:                      checkout.ID,
 		OrderID:                 checkout.OrderID,
@@ -1552,11 +1540,11 @@ func toCheckoutAdminDTO(checkout model.OrderCheckout) CheckoutDTO {
 		RentAmountCent:          &rentAmountCent,
 		OwnerRentAmountCent:     &ownerRentAmountCent,
 		PlatformFeeCent:         &platformFeeCent,
-		DepositAmountCent:       int64(math.Round(checkout.DepositAmount * 100)),
-		ConsumableAmountCent:    int64(math.Round(checkout.ConsumableAmount * 100)),
+		DepositAmountCent:       checkout.DepositAmountCent,
+		ConsumableAmountCent:    checkout.ConsumableAmountCent,
 		CoinConsumedM:           checkout.CoinConsumedM,
-		OtherAmountCent:         int64(math.Round(checkout.OtherAmount * 100)),
-		DepositDeductAmountCent: int64(math.Round(checkout.DepositDeductAmount * 100)),
+		OtherAmountCent:         checkout.OtherAmountCent,
+		DepositDeductAmountCent: checkout.DepositDeductAmountCent,
 		RenterRefundAmountCent:  &renterRefundAmountCent,
 		OwnerIncomeAmountCent:   &ownerIncomeAmountCent,
 		Content:                 checkout.Content,

backend/internal/modules/order/repository_test.go

@@ -27,7 +27,7 @@ func TestCalculateCheckoutSettlementRefundsUnusedRent(t *testing.T) {
 		}`)),
 	}
 
-	settlement := calculateCheckoutSettlement(order, 7, 90, 0)
+	settlement := calculateCheckoutSettlement(order, 700, 90, 0)
 
 	// 角精度：243.7 = roundMoney(236.7 + 7)
 	if settlement.ActualRentAmountCent != 24370 {
@@ -104,7 +104,7 @@ func TestCalculateCheckoutSettlementAddsDepositCompensation(t *testing.T) {
 		}`)),
 	}
 
-	settlement := calculateCheckoutSettlement(order, 120, 100, 30)
+	settlement := calculateCheckoutSettlement(order, 12000, 100, 3000)
 
 	if settlement.ActualRentAmountCent != 38300 {
 		t.Fatalf("ActualRentAmountCent = %d, want 38300", settlement.ActualRentAmountCent)
@@ -126,17 +126,17 @@ func TestCalculateCheckoutSettlementAddsDepositCompensation(t *testing.T) {
 func TestCalculateDepositWaiverUsesSharedRemainingQuota(t *testing.T) {
 	paid, waived := calculateDepositWaiver(500, 300, 0)
 	if paid != 200 || waived != 300 {
-		t.Fatalf("paid = %.1f, waived = %.1f, want 200.0, 300.0", paid, waived)
+		t.Fatalf("paid = %d, waived = %d, want 200, 300", paid, waived)
 	}
 
 	paid, waived = calculateDepositWaiver(500, 300, 200)
 	if paid != 400 || waived != 100 {
-		t.Fatalf("paid = %.1f, waived = %.1f, want 400.0, 100.0", paid, waived)
+		t.Fatalf("paid = %d, waived = %d, want 400, 100", paid, waived)
 	}
 
 	paid, waived = calculateDepositWaiver(500, 300, 300)
 	if paid != 500 || waived != 0 {
-		t.Fatalf("paid = %.1f, waived = %.1f, want 500.0, 0.0", paid, waived)
+		t.Fatalf("paid = %d, waived = %d, want 500, 0", paid, waived)
 	}
 }
 

backend/internal/modules/payment/dto.go

@@ -12,7 +12,7 @@ type StartPaymentRequest struct {
 }
 
 type WalletRechargePaymentRequest struct {
-	Amount    float64 `json:"amount"`
+	AmountCent int64  `json:"amount_cent"`
 	PayWay     string `json:"pay_way"`
 	JSPayFlag  string `json:"jspay_flag"`
 }

backend/internal/modules/payment/repository.go

@@ -229,8 +229,8 @@ func (r *Repository) Start(userID uint64, orderID uint64, req StartPaymentReques
 }
 
 func (r *Repository) StartWalletRecharge(userID uint64, req WalletRechargePaymentRequest, clientIP string) (*PaymentDTO, error) {
-	amountCent := moneyCent(req.Amount)
-	if userID == 0 || req.Amount < MinWalletRechargeAmount || amountCent <= 0 {
+	amountCent := req.AmountCent
+	if userID == 0 || amountCent < moneyCent(MinWalletRechargeAmount) {
 		return nil, ErrPaymentCannotStart
 	}
 	runtimeConfig, err := r.defaultRuntimeConfig()
@@ -764,7 +764,7 @@ func (r *Repository) preparePayment(userID uint64, orderID uint64, req StartPaym
 		if row.Status != "pending_payment" {
 			return ErrPaymentCannotStart
 		}
-		amountCent := moneyCent(row.RentAmount + row.DepositAmount)
+		amountCent := row.RentAmountCent + row.DepositAmountCent
 		if amountCent <= 0 {
 			return ErrPaymentCannotStart
 		}

backend/internal/modules/withdrawal/repository.go

@@ -58,11 +58,8 @@ func (r *Repository) Create(userID uint64, req CreateWithdrawalRequest) (*Withdr
 	withdrawal := model.WithdrawalRequest{
 		WithdrawNo:       withdrawNo,
 		UserID:           userID,
-		Amount:           float64(req.AmountCent) / 100,
 		AmountCent:       req.AmountCent,
-		Fee:              float64(feeCent) / 100,
 		FeeCent:          feeCent,
-		ActualAmount:     float64(actualAmountCent) / 100,
 		ActualAmountCent: actualAmountCent,
 		PaymentAccountID: &req.PaymentAccountID,
 		AccountType:      paymentAccount.AccountType,

backend/migrations/000001_init.sql

@@ -22,7 +22,6 @@ CREATE TABLE IF NOT EXISTS users (
   realname_status VARCHAR(32) NOT NULL DEFAULT 'unverified' COMMENT '实名状态: unverified未实名, pending审核中, verified已实名, failed失败',
   risk_status VARCHAR(32) NOT NULL DEFAULT 'normal' COMMENT '风控状态: normal正常, warning警告, frozen冻结',
   credit_score INT NOT NULL DEFAULT 100 COMMENT '信用分',
-  deposit_free_quota DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '免押总额度',
   deposit_free_quota_cent BIGINT NOT NULL DEFAULT 0 COMMENT '免押总额度(分)',
   status VARCHAR(32) NOT NULL DEFAULT 'active' COMMENT '账号状态: active活跃, inactive停用, banned封禁',
   last_login_at DATETIME NULL COMMENT '最后登录时间',
@@ -82,9 +81,7 @@ CREATE TABLE IF NOT EXISTS rental_listings (
   listing_no VARCHAR(20) NOT NULL COMMENT '商品编号，格式yyyyMMddNNNN',
   account_id BIGINT UNSIGNED NOT NULL COMMENT '关联的游戏账号ID',
   owner_id BIGINT UNSIGNED NOT NULL COMMENT '号主ID',
-  price DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '租金(元/小时)',
   price_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租金(分/小时)',
-  deposit_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '押金金额',
   deposit_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '押金金额(分)',
   in_transaction TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否正在交易中: 0否, 1是',
   status VARCHAR(32) NOT NULL DEFAULT 'draft' COMMENT '商品状态: draft草稿, active上架, offline下架, deleted删除',
@@ -96,7 +93,7 @@ CREATE TABLE IF NOT EXISTS rental_listings (
   UNIQUE KEY uk_rental_listings_listing_no (listing_no),
   KEY idx_rental_listings_account_id (account_id),
   KEY idx_rental_listings_owner_id (owner_id),
-  KEY idx_rental_listings_filter (status, review_status, in_transaction, price),
+  KEY idx_rental_listings_filter (status, review_status, in_transaction, price_cent),
   KEY idx_rental_listings_published (status, review_status, published_at DESC)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='租号商品列表';
 
@@ -122,17 +119,11 @@ CREATE TABLE IF NOT EXISTS rental_orders (
   renter_id BIGINT UNSIGNED NOT NULL COMMENT '租客ID',
   rented_at DATETIME NULL COMMENT '租用开始时间',
   estimated_duration_hours INT NOT NULL DEFAULT 24 COMMENT '预计租用时长(小时)',
-  rent_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '租金总额',
   rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租金总额(分)',
-  owner_rent_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '号主实得租金',
   owner_rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '号主实得租金(分)',
-  deposit_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '实际收取押金金额',
   deposit_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '实际收取押金(分)',
-  deposit_original_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '商品原始押金金额',
   deposit_original_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '商品原始押金(分)',
-  deposit_waived_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '本单免押抵扣金额',
   deposit_waived_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '免押抵扣金额(分)',
-  platform_fee DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '平台手续费',
   platform_fee_cent BIGINT NOT NULL DEFAULT 0 COMMENT '平台手续费(分)',
   account_snapshot JSON NULL COMMENT '账号快照(下单时的账号状态)',
   status VARCHAR(32) NOT NULL DEFAULT 'pending_payment' COMMENT '订单状态: pending_payment待支付, active进行中, completed已完成, cancelled已取消, closed已关闭',
@@ -161,24 +152,15 @@ CREATE TABLE IF NOT EXISTS order_checkouts (
   order_id BIGINT UNSIGNED NOT NULL COMMENT '订单ID',
   initiated_by BIGINT UNSIGNED NOT NULL COMMENT '发起者ID',
   status VARCHAR(32) NOT NULL DEFAULT 'submitted' COMMENT '结算状态: submitted已提交, renter_confirmed租客确认, renter_rejected租客拒绝, completed完成',
-  rent_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '租金',
   rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租金(分)',
-  owner_rent_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '号主实得租金',
   owner_rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '号主实得租金(分)',
-  platform_fee DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '平台手续费',
   platform_fee_cent BIGINT NOT NULL DEFAULT 0 COMMENT '平台手续费(分)',
-  deposit_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '押金',
   deposit_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '押金(分)',
-  consumable_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '消耗品扣费',
   consumable_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '消耗品扣费(分)',
   coin_consumed_m DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '游戏币消耗(百万为单位)',
-  other_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '其他费用',
   other_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '其他费用(分)',
-  deposit_deduct_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '押金扣除金额',
   deposit_deduct_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '押金扣除金额(分)',
-  renter_refund_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '租客退款金额',
   renter_refund_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租客退款金额(分)',
-  owner_income_amount DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '号主收入金额',
   owner_income_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '号主收入金额(分)',
   content TEXT NULL COMMENT '结算说明',
   evidence_urls JSON NULL COMMENT '证据截图URL列表',
@@ -215,9 +197,7 @@ CREATE TABLE IF NOT EXISTS handoff_records (
 CREATE TABLE IF NOT EXISTS wallet_accounts (
   id BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT,
   user_id BIGINT UNSIGNED NOT NULL COMMENT '用户ID',
-  available_balance DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '可用余额',
   available_balance_cent BIGINT NOT NULL DEFAULT 0 COMMENT '可用余额(分)',
-  frozen_balance DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '冻结余额',
   frozen_balance_cent BIGINT NOT NULL DEFAULT 0 COMMENT '冻结余额(分)',
   status VARCHAR(32) NOT NULL DEFAULT 'active' COMMENT '钱包状态: active正常, frozen冻结, closed关闭',
   created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
@@ -232,9 +212,7 @@ CREATE TABLE IF NOT EXISTS wallet_ledger (
   user_id BIGINT UNSIGNED NOT NULL COMMENT '用户ID',
   order_id BIGINT UNSIGNED NULL COMMENT '关联订单ID',
   direction VARCHAR(16) NOT NULL COMMENT '方向: in收入, out支出',
-  amount DECIMAL(12,2) NOT NULL COMMENT '金额',
   amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '金额(分)',
-  balance_after DECIMAL(12,2) NOT NULL COMMENT '变动后余额',
   balance_after_cent BIGINT NOT NULL DEFAULT 0 COMMENT '变动后余额(分)',
   balance_type VARCHAR(32) NOT NULL COMMENT '余额类型: available可用, frozen冻结',
   biz_type VARCHAR(32) NOT NULL COMMENT '业务类型: rent_payment租金支付, deposit_freeze押金冻结, settlement结算, refund退款等',
@@ -839,11 +817,8 @@ CREATE TABLE IF NOT EXISTS withdrawal_requests (
   id BIGINT UNSIGNED PRIMARY KEY AUTO_INCREMENT,
   withdraw_no VARCHAR(64) NOT NULL COMMENT '提现单号',
   user_id BIGINT UNSIGNED NOT NULL COMMENT '用户ID',
-  amount DECIMAL(12,2) NOT NULL COMMENT '提现金额',
   amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '提现金额(分)',
-  fee DECIMAL(12,2) NOT NULL DEFAULT 0.00 COMMENT '手续费',
   fee_cent BIGINT NOT NULL DEFAULT 0 COMMENT '手续费(分)',
-  actual_amount DECIMAL(12,2) NOT NULL COMMENT '实际到账金额',
   actual_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '实际到账(分)',
 
   -- 收款账号信息（快照）

backend/migrations/20260609052734_add_amount_cent_fields.sql

@@ -1,190 +0,0 @@
--- +goose Up
--- +goose StatementBegin
--- ============================================
--- 金额统一重构：新增分字段（BIGINT）
--- 目标：所有金额存储使用整数分，避免浮点精度问题
--- 展示：统一到角精度（0.1元）
--- ============================================
-
--- 用户表：免押额度
-ALTER TABLE users
-  ADD COLUMN IF NOT EXISTS deposit_free_quota_cent BIGINT NOT NULL DEFAULT 0 COMMENT '免押总额度(分)' AFTER deposit_free_quota;
-
--- 商品表：价格和押金
-ALTER TABLE rental_listings
-  ADD COLUMN IF NOT EXISTS price_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租金(分/小时)' AFTER price,
-  ADD COLUMN IF NOT EXISTS deposit_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '押金金额(分)' AFTER deposit_amount;
-
--- 订单表：租金、押金、平台费
-ALTER TABLE rental_orders
-  ADD COLUMN IF NOT EXISTS rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租金总额(分)' AFTER rent_amount,
-  ADD COLUMN IF NOT EXISTS owner_rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '号主实得租金(分)' AFTER owner_rent_amount,
-  ADD COLUMN IF NOT EXISTS deposit_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '实际收取押金(分)' AFTER deposit_amount,
-  ADD COLUMN IF NOT EXISTS deposit_original_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '商品原始押金(分)' AFTER deposit_original_amount,
-  ADD COLUMN IF NOT EXISTS deposit_waived_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '免押抵扣金额(分)' AFTER deposit_waived_amount,
-  ADD COLUMN IF NOT EXISTS platform_fee_cent BIGINT NOT NULL DEFAULT 0 COMMENT '平台手续费(分)' AFTER platform_fee;
-
--- 结算记录表：所有金额字段
-ALTER TABLE order_checkouts
-  ADD COLUMN IF NOT EXISTS rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租金(分)' AFTER rent_amount,
-  ADD COLUMN IF NOT EXISTS owner_rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '号主实得租金(分)' AFTER owner_rent_amount,
-  ADD COLUMN IF NOT EXISTS platform_fee_cent BIGINT NOT NULL DEFAULT 0 COMMENT '平台手续费(分)' AFTER platform_fee,
-  ADD COLUMN IF NOT EXISTS deposit_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '押金(分)' AFTER deposit_amount,
-  ADD COLUMN IF NOT EXISTS consumable_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '消耗品扣费(分)' AFTER consumable_amount,
-  ADD COLUMN IF NOT EXISTS other_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '其他费用(分)' AFTER other_amount,
-  ADD COLUMN IF NOT EXISTS deposit_deduct_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '押金扣除金额(分)' AFTER deposit_deduct_amount,
-  ADD COLUMN IF NOT EXISTS renter_refund_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租客退款金额(分)' AFTER renter_refund_amount,
-  ADD COLUMN IF NOT EXISTS owner_income_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '号主收入金额(分)' AFTER owner_income_amount;
-
--- 钱包账户表：余额
-ALTER TABLE wallet_accounts
-  ADD COLUMN IF NOT EXISTS available_balance_cent BIGINT NOT NULL DEFAULT 0 COMMENT '可用余额(分)' AFTER available_balance,
-  ADD COLUMN IF NOT EXISTS frozen_balance_cent BIGINT NOT NULL DEFAULT 0 COMMENT '冻结余额(分)' AFTER frozen_balance;
-
--- 钱包流水表：金额和余额
-ALTER TABLE wallet_ledger
-  ADD COLUMN IF NOT EXISTS amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '金额(分)' AFTER amount,
-  ADD COLUMN IF NOT EXISTS balance_after_cent BIGINT NOT NULL DEFAULT 0 COMMENT '变动后余额(分)' AFTER balance_after;
-
--- 提现表是可选模块；仅在表存在时修改，避免缺表环境迁移失败。
-SET @withdrawal_requests_exists := (
-  SELECT COUNT(*)
-  FROM information_schema.tables
-  WHERE table_schema = DATABASE()
-    AND table_name = 'withdrawal_requests'
-);
-SET @sql := IF(@withdrawal_requests_exists > 0,
-  'ALTER TABLE withdrawal_requests
-     ADD COLUMN IF NOT EXISTS amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT ''提现金额(分)'' AFTER amount,
-     ADD COLUMN IF NOT EXISTS fee_cent BIGINT NOT NULL DEFAULT 0 COMMENT ''手续费(分)'' AFTER fee,
-     ADD COLUMN IF NOT EXISTS actual_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT ''实际到账(分)'' AFTER actual_amount',
-  'SELECT 1'
-);
-PREPARE stmt FROM @sql;
-EXECUTE stmt;
-DEALLOCATE PREPARE stmt;
-
--- ============================================
--- 数据迁移：从 DECIMAL 复制到 BIGINT（分）
--- 注意：ROUND(value * 100) 确保精度
--- ============================================
-
--- 用户免押额度
-UPDATE users
-SET deposit_free_quota_cent = ROUND(deposit_free_quota * 100)
-WHERE deposit_free_quota > 0;
-
--- 商品价格和押金
-UPDATE rental_listings
-SET price_cent = ROUND(price * 100),
-    deposit_amount_cent = ROUND(deposit_amount * 100)
-WHERE price > 0 OR deposit_amount > 0;
-
--- 订单金额
-UPDATE rental_orders
-SET rent_amount_cent = ROUND(rent_amount * 100),
-    owner_rent_amount_cent = ROUND(owner_rent_amount * 100),
-    deposit_amount_cent = ROUND(deposit_amount * 100),
-    deposit_original_amount_cent = ROUND(deposit_original_amount * 100),
-    deposit_waived_amount_cent = ROUND(deposit_waived_amount * 100),
-    platform_fee_cent = ROUND(platform_fee * 100)
-WHERE rent_amount > 0 OR owner_rent_amount > 0 OR deposit_amount > 0
-   OR deposit_original_amount > 0 OR deposit_waived_amount > 0 OR platform_fee > 0;
-
--- 结算记录
-UPDATE order_checkouts
-SET rent_amount_cent = ROUND(rent_amount * 100),
-    owner_rent_amount_cent = ROUND(owner_rent_amount * 100),
-    platform_fee_cent = ROUND(platform_fee * 100),
-    deposit_amount_cent = ROUND(deposit_amount * 100),
-    consumable_amount_cent = ROUND(consumable_amount * 100),
-    other_amount_cent = ROUND(other_amount * 100),
-    deposit_deduct_amount_cent = ROUND(deposit_deduct_amount * 100),
-    renter_refund_amount_cent = ROUND(renter_refund_amount * 100),
-    owner_income_amount_cent = ROUND(owner_income_amount * 100)
-WHERE rent_amount > 0 OR owner_rent_amount > 0 OR platform_fee > 0
-   OR deposit_amount > 0 OR consumable_amount > 0 OR other_amount > 0
-   OR deposit_deduct_amount > 0 OR renter_refund_amount > 0 OR owner_income_amount > 0;
-
--- 钱包余额
-UPDATE wallet_accounts
-SET available_balance_cent = ROUND(available_balance * 100),
-    frozen_balance_cent = ROUND(frozen_balance * 100)
-WHERE available_balance > 0 OR frozen_balance > 0;
-
--- 钱包流水
-UPDATE wallet_ledger
-SET amount_cent = ROUND(amount * 100),
-    balance_after_cent = ROUND(balance_after * 100)
-WHERE amount != 0 OR balance_after != 0;
-
--- 提现记录
-SET @sql := IF(@withdrawal_requests_exists > 0,
-  'UPDATE withdrawal_requests
-   SET amount_cent = ROUND(amount * 100),
-       fee_cent = ROUND(fee * 100),
-       actual_amount_cent = ROUND(actual_amount * 100)
-   WHERE amount > 0 OR fee > 0 OR actual_amount > 0',
-  'SELECT 1'
-);
-PREPARE stmt FROM @sql;
-EXECUTE stmt;
-DEALLOCATE PREPARE stmt;
--- +goose StatementEnd
-
--- +goose Down
--- +goose StatementBegin
--- ============================================
--- 回滚：删除所有新增的分字段
--- ============================================
-
-ALTER TABLE users DROP COLUMN IF EXISTS deposit_free_quota_cent;
-
-ALTER TABLE rental_listings
-  DROP COLUMN IF EXISTS price_cent,
-  DROP COLUMN IF EXISTS deposit_amount_cent;
-
-ALTER TABLE rental_orders
-  DROP COLUMN IF EXISTS rent_amount_cent,
-  DROP COLUMN IF EXISTS owner_rent_amount_cent,
-  DROP COLUMN IF EXISTS deposit_amount_cent,
-  DROP COLUMN IF EXISTS deposit_original_amount_cent,
-  DROP COLUMN IF EXISTS deposit_waived_amount_cent,
-  DROP COLUMN IF EXISTS platform_fee_cent;
-
-ALTER TABLE order_checkouts
-  DROP COLUMN IF EXISTS rent_amount_cent,
-  DROP COLUMN IF EXISTS owner_rent_amount_cent,
-  DROP COLUMN IF EXISTS platform_fee_cent,
-  DROP COLUMN IF EXISTS deposit_amount_cent,
-  DROP COLUMN IF EXISTS consumable_amount_cent,
-  DROP COLUMN IF EXISTS other_amount_cent,
-  DROP COLUMN IF EXISTS deposit_deduct_amount_cent,
-  DROP COLUMN IF EXISTS renter_refund_amount_cent,
-  DROP COLUMN IF EXISTS owner_income_amount_cent;
-
-ALTER TABLE wallet_accounts
-  DROP COLUMN IF EXISTS available_balance_cent,
-  DROP COLUMN IF EXISTS frozen_balance_cent;
-
-ALTER TABLE wallet_ledger
-  DROP COLUMN IF EXISTS amount_cent,
-  DROP COLUMN IF EXISTS balance_after_cent;
-
-SET @withdrawal_requests_exists := (
-  SELECT COUNT(*)
-  FROM information_schema.tables
-  WHERE table_schema = DATABASE()
-    AND table_name = 'withdrawal_requests'
-);
-SET @sql := IF(@withdrawal_requests_exists > 0,
-  'ALTER TABLE withdrawal_requests
-     DROP COLUMN IF EXISTS amount_cent,
-     DROP COLUMN IF EXISTS fee_cent,
-     DROP COLUMN IF EXISTS actual_amount_cent',
-  'SELECT 1'
-);
-PREPARE stmt FROM @sql;
-EXECUTE stmt;
-DEALLOCATE PREPARE stmt;
--- +goose StatementEnd

backend/pkg/money/format.go

@@ -11,26 +11,23 @@ func Round(value float64) float64 {
 	return math.Round(value*10) / 10
 }
 
-// ToCent 将角转换为分（整数），用于存储
-// 12.3角 -> 123分
-// 12.34角 -> 123分（自动舍入到角）
-func ToCent(jiao float64) int64 {
-	return int64(math.Round(jiao * 10))
+// ToCent 将元转换为分（整数），用于存储。
+// 12.34 元 -> 1234 分
+func ToCent(yuan float64) int64 {
+	return int64(math.Round(yuan * 100))
 }
 
-// ToJiao 将分转换为角（0.1元精度），用于API响应
-// 123分 -> 12.3角
-// 1234分 -> 123.4角
-func ToJiao(cent int64) float64 {
-	return float64(cent) / 10.0
+// ToDisplayYuan 将分转换为按角精度展示的元值。
+// 1234 分 -> 12.3 元
+func ToDisplayYuan(cent int64) float64 {
+	return Round(float64(cent) / 100)
 }
 
 // Format 格式化分为字符串（角精度，保留1位小数）
-// 123分 -> "12.3"
-// 1230分 -> "123.0"
+// 1234 分 -> "12.3"
+// 1230 分 -> "12.3"
 func Format(cent int64) string {
-	jiao := ToJiao(cent)
-	return fmt.Sprintf("%.1f", jiao)
+	return fmt.Sprintf("%.1f", ToDisplayYuan(cent))
 }
 
 // FormatWithSymbol 格式化分为带符号的字符串

backend/pkg/money/format_test.go

@@ -5,46 +5,44 @@ import "testing"
 func TestToCent(t *testing.T) {
 	tests := []struct {
 		name string
-		jiao float64
+		yuan float64
 		want int64
 	}{
-		{"12.3角转123分", 12.3, 123},
-		{"12.34角舍入到123分", 12.34, 123},
-		{"12.36角舍入到124分", 12.36, 124},
-		{"0.1角转1分", 0.1, 1},
-		{"0.05角舍入到1分", 0.05, 1},
-		{"0.04角舍入到0分", 0.04, 0},
-		{"100角转1000分", 100.0, 1000},
+		{"12.3元转1230分", 12.3, 1230},
+		{"12.34元转1234分", 12.34, 1234},
+		{"12.36元转1236分", 12.36, 1236},
+		{"0.1元转10分", 0.1, 10},
+		{"100元转10000分", 100.0, 10000},
 		{"零值", 0.0, 0},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got := ToCent(tt.jiao)
+			got := ToCent(tt.yuan)
 			if got != tt.want {
-				t.Errorf("ToCent(%v) = %v, want %v", tt.jiao, got, tt.want)
+				t.Errorf("ToCent(%v) = %v, want %v", tt.yuan, got, tt.want)
 			}
 		})
 	}
 }
 
-func TestToJiao(t *testing.T) {
+func TestToDisplayYuan(t *testing.T) {
 	tests := []struct {
 		name string
 		cent int64
 		want float64
 	}{
-		{"123分转12.3角", 123, 12.3},
-		{"1234分转123.4角", 1234, 123.4},
-		{"1分转0.1角", 1, 0.1},
-		{"10分转1.0角", 10, 1.0},
-		{"1000分转100.0角", 1000, 100.0},
+		{"123分展示1.2元", 123, 1.2},
+		{"1234分展示12.3元", 1234, 12.3},
+		{"1236分展示12.4元", 1236, 12.4},
+		{"10分展示0.1元", 10, 0.1},
+		{"1000分展示10.0元", 1000, 10.0},
 		{"零值", 0, 0.0},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got := ToJiao(tt.cent)
+			got := ToDisplayYuan(tt.cent)
 			if got != tt.want {
-				t.Errorf("ToJiao(%v) = %v, want %v", tt.cent, got, tt.want)
+				t.Errorf("ToDisplayYuan(%v) = %v, want %v", tt.cent, got, tt.want)
 			}
 		})
 	}
@@ -56,11 +54,11 @@ func TestFormat(t *testing.T) {
 		cent int64
 		want string
 	}{
-		{"123分格式化", 123, "12.3"},
-		{"1234分格式化", 1234, "123.4"},
-		{"10分格式化", 10, "1.0"},
-		{"1分格式化", 1, "0.1"},
-		{"1000分格式化", 1000, "100.0"},
+		{"123分格式化", 123, "1.2"},
+		{"1234分格式化", 1234, "12.3"},
+		{"1236分格式化", 1236, "12.4"},
+		{"10分格式化", 10, "0.1"},
+		{"1000分格式化", 1000, "10.0"},
 		{"零值格式化", 0, "0.0"},
 	}
 	for _, tt := range tests {
@@ -79,8 +77,8 @@ func TestFormatWithSymbol(t *testing.T) {
 		cent int64
 		want string
 	}{
-		{"123分带符号", 123, "¥12.3"},
-		{"1000分带符号", 1000, "¥100.0"},
+		{"123分带符号", 123, "¥1.2"},
+		{"1000分带符号", 1000, "¥10.0"},
 		{"零值带符号", 0, "¥0.0"},
 	}
 	for _, tt := range tests {
@@ -139,21 +137,21 @@ func TestMinMax(t *testing.T) {
 func TestRoundTrip(t *testing.T) {
 	tests := []struct {
 		name          string
-		originalJiao float64
-		expectJiao   float64 // 因为角精度，可能会有舍入
+		originalYuan  float64
+		expectDisplay float64
 	}{
-		{"12.3角往返", 12.3, 12.3},
-		{"12.34角往返（舍入）", 12.34, 12.3},
-		{"100.0角往返", 100.0, 100.0},
-		{"0.1角往返", 0.1, 0.1},
+		{"12.3元往返", 12.3, 12.3},
+		{"12.34元往返（展示到角）", 12.34, 12.3},
+		{"100.0元往返", 100.0, 100.0},
+		{"0.1元往返", 0.1, 0.1},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			cent := ToCent(tt.originalJiao)
-			gotJiao := ToJiao(cent)
-			if gotJiao != tt.expectJiao {
-				t.Errorf("往返转换：%v角 -> %v分 -> %v角, 期望 %v角",
-					tt.originalJiao, cent, gotJiao, tt.expectJiao)
+			cent := ToCent(tt.originalYuan)
+			got := ToDisplayYuan(cent)
+			if got != tt.expectDisplay {
+				t.Errorf("往返转换：%v元 -> %v分 -> %v元, 期望 %v元",
+					tt.originalYuan, cent, got, tt.expectDisplay)
 			}
 		})
 	}

frontend/src/features/admin/api/adminDashboard.ts

@@ -10,7 +10,7 @@ export interface DashboardMetrics {
   total_orders: number
   renting_orders: number
   today_orders: number
-  today_ledger_amount: number
+  today_ledger_amount_cent: number
 }
 
 export interface DashboardPending {
@@ -27,8 +27,8 @@ export interface DashboardRecentOrder {
   renter_id: number
   owner_id: number
   status: OrderStatus
-  rent_amount: number
-  deposit_amount: number
+  rent_amount_cent: number
+  deposit_amount_cent: number
   created_at: string
 }
 

frontend/src/features/admin/api/adminFinance.ts

@@ -6,10 +6,10 @@ export interface FinanceSummary {
   total_refund_amount_cent: number
   pending_refund_amount_cent: number
   channel_net_amount_cent: number
-  platform_income_amount: number
-  owner_should_income_amount: number
-  owner_wallet_income_amount: number
-  settlement_diff_amount: number
+  platform_income_amount_cent: number
+  owner_should_income_amount_cent: number
+  owner_wallet_income_amount_cent: number
+  settlement_diff_amount_cent: number
   successful_pay_count: number
   successful_refund_count: number
   pending_refund_count: number
@@ -23,10 +23,10 @@ export interface FinanceDailyItem {
   total_refund_amount_cent: number
   pending_refund_amount_cent: number
   channel_net_amount_cent: number
-  platform_income_amount: number
-  owner_should_income_amount: number
-  owner_wallet_income_amount: number
-  settlement_diff_amount: number
+  platform_income_amount_cent: number
+  owner_should_income_amount_cent: number
+  owner_wallet_income_amount_cent: number
+  settlement_diff_amount_cent: number
   successful_pay_count: number
   successful_refund_count: number
   pending_refund_count: number
@@ -51,20 +51,20 @@ export interface FinanceDetail {
   owner_id: number
   owner_phone: string
   owner_nickname: string
-  order_rent_amount: number
-  order_deposit_amount: number
-  checkout_rent_amount: number
-  checkout_renter_refund: number
-  checkout_owner_income: number
-  checkout_platform_fee: number
-  owner_wallet_income_amount: number
+  order_rent_amount_cent: number
+  order_deposit_amount_cent: number
+  checkout_rent_amount_cent: number
+  checkout_renter_refund_cent: number
+  checkout_owner_income_cent: number
+  checkout_platform_fee_cent: number
+  owner_wallet_income_amount_cent: number
   paid_amount_cent: number
   refunded_amount_cent: number
   refunding_amount_cent: number
   failed_refund_amount_cent: number
   channel_net_amount_cent: number
-  platform_net_amount: number
-  settlement_diff_amount: number
+  platform_net_amount_cent: number
+  settlement_diff_amount_cent: number
   finance_status: string
   created_at: string
   settled_at?: string

frontend/src/features/admin/api/adminUsers.ts

@@ -10,9 +10,9 @@ export interface AdminUserItem {
   realname_status: RealnameStatusValue
   risk_status: RiskStatus
   credit_score: number
-  deposit_free_quota: number
-  deposit_free_used: number
-  deposit_free_remaining: number
+  deposit_free_quota_cent: number
+  deposit_free_used_cent: number
+  deposit_free_remaining_cent: number
   status: UserStatus
   order_count: number
   listing_count: number
@@ -44,10 +44,10 @@ export async function unfreezeAdminUser(id: number) {
   return data.data
 }
 
-export async function setAdminUserDepositFreeQuota(id: number, amount: number) {
+export async function setAdminUserDepositFreeQuota(id: number, amountCent: number) {
   const { data } = await apiClient.post<ApiResponse<AdminUserItem>>(
     `/admin/users/${id}/deposit-free-quota`,
-    { amount }
+    { amount_cent: amountCent }
   )
   return data.data
 }

frontend/src/features/admin/api/adminWithdrawal.ts

@@ -12,9 +12,6 @@ export interface WithdrawalDetail {
   amount_cent: number
   fee_cent: number
   actual_amount_cent: number
-  amount?: number
-  fee?: number
-  actual_amount?: number
   payment_account_id: number | null
   account_type: string
   account_name: string

frontend/src/features/admin/views/AdminDashboardView.vue

@@ -17,12 +17,10 @@ import {
 } from '@element-plus/icons-vue'
 import { fetchAdminDashboard, type AdminDashboard } from '@/features/admin/api/adminDashboard'
 import { useAdminTable } from '@/features/admin/composables/useAdminTable'
-import { useMoney } from '@/shared/composables/useMoney'
+import { formatCentWithSymbol } from '@/shared/utils/money'
 import { disputeStatusLabel, orderStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
 
-const money = useMoney()
-
 const {
   loading,
   error,
@@ -98,7 +96,7 @@ const {
         </div>
         <div class="metric-content">
           <span>今日流水</span>
-          <strong>{{ money(dashboard.metrics.today_ledger_amount) }}</strong>
+          <strong>{{ formatCentWithSymbol(dashboard.metrics.today_ledger_amount_cent) }}</strong>
           <small>今日订单 {{ dashboard.metrics.today_orders }} 个</small>
         </div>
       </div>
@@ -224,9 +222,9 @@ const {
             </el-tag>
           </template>
         </el-table-column>
-        <el-table-column prop="rent_amount" label="金额" width="100">
+        <el-table-column prop="rent_amount_cent" label="金额" width="100">
           <template #default="{ row }">
-            <span class="amount">{{ money(row.rent_amount) }}</span>
+            <span class="amount">{{ formatCentWithSymbol(row.rent_amount_cent) }}</span>
           </template>
         </el-table-column>
         <el-table-column label="创建时间" min-width="180">

frontend/src/features/admin/views/AdminDisputesView.vue

@@ -7,6 +7,7 @@ import { fetchAdminFileBlob } from '@/shared/api/files'
 import { disputeStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
 import { formatListingNo } from '@/utils/listingDisplay'
+import { yuanToCent } from '@/shared/utils/money'
 import AdminTablePagination from '../components/AdminTablePagination.vue'
 
 const loading = ref(false)
@@ -100,7 +101,7 @@ async function handleArbitrate() {
     await arbitrateDispute(activeDispute.value.id, {
       result: result.value,
       remark: remark.value.trim(),
-      amount: amount.value,
+      amount_cent: amount.value ? yuanToCent(amount.value) : undefined,
     })
     ElMessage.success('仲裁结果已保存，双方已收到通知')
     activeDispute.value = null

frontend/src/features/admin/views/AdminFinanceDashboardView.vue

@@ -7,7 +7,7 @@ import {
   type FinanceDashboard,
   type FinanceDailyItem,
 } from '@/features/admin/api/adminFinance'
-import { formatMoneyWithSymbol } from '@/shared/utils/money'
+import { formatCentWithSymbol } from '@/shared/utils/money'
 import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
@@ -31,11 +31,7 @@ async function loadDashboard() {
 }
 
 function moneyCent(value: number) {
-  return formatMoneyWithSymbol(Number(value || 0) / 100)
-}
-
-function money(value: number) {
-  return formatMoneyWithSymbol(value)
+  return formatCentWithSymbol(value)
 }
 
 function defaultStartDate() {
@@ -53,11 +49,11 @@ function formatInputDate(date: Date) {
 }
 
 function diffType(value: number) {
-  return Math.abs(Number(value || 0)) >= 0.05 ? 'danger' : 'success'
+  return Math.abs(Number(value || 0)) >= 5 ? 'danger' : 'success'
 }
 
 function rowDiffClass(row: FinanceDailyItem) {
-  return Math.abs(Number(row.settlement_diff_amount || 0)) >= 0.05 ? 'amount-danger' : ''
+  return Math.abs(Number(row.settlement_diff_amount_cent || 0)) >= 5 ? 'amount-danger' : ''
 }
 </script>
 
@@ -107,17 +103,17 @@ function rowDiffClass(row: FinanceDailyItem) {
       </div>
       <div class="metric-card">
         <span>平台收入</span>
-        <strong>{{ money(dashboard.summary.platform_income_amount) }}</strong>
+        <strong>{{ moneyCent(dashboard.summary.platform_income_amount_cent) }}</strong>
         <small>{{ dashboard.summary.settled_order_count }} 个已结算订单</small>
       </div>
       <div class="metric-card">
         <span>号主应得</span>
-        <strong>{{ money(dashboard.summary.owner_should_income_amount) }}</strong>
+        <strong>{{ moneyCent(dashboard.summary.owner_should_income_amount_cent) }}</strong>
         <small>结账单口径</small>
       </div>
       <div class="metric-card">
         <span>号主实际入账</span>
-        <strong>{{ money(dashboard.summary.owner_wallet_income_amount) }}</strong>
+        <strong>{{ moneyCent(dashboard.summary.owner_wallet_income_amount_cent) }}</strong>
         <small>钱包流水口径</small>
       </div>
       <div class="metric-card">
@@ -128,8 +124,8 @@ function rowDiffClass(row: FinanceDailyItem) {
       <div class="metric-card">
         <span>结算差异</span>
         <strong>
-          <el-tag :type="diffType(dashboard.summary.settlement_diff_amount)">
-            {{ money(dashboard.summary.settlement_diff_amount) }}
+          <el-tag :type="diffType(dashboard.summary.settlement_diff_amount_cent)">
+            {{ moneyCent(dashboard.summary.settlement_diff_amount_cent) }}
           </el-tag>
         </strong>
         <small>{{ dashboard.summary.financial_exception_count }} 个异常订单</small>
@@ -148,17 +144,17 @@ function rowDiffClass(row: FinanceDailyItem) {
         <template #default="{ row }">{{ moneyCent(row.channel_net_amount_cent) }}</template>
       </el-table-column>
       <el-table-column label="平台收入" width="130">
-        <template #default="{ row }">{{ money(row.platform_income_amount) }}</template>
+        <template #default="{ row }">{{ moneyCent(row.platform_income_amount_cent) }}</template>
       </el-table-column>
       <el-table-column label="号主应得" width="130">
-        <template #default="{ row }">{{ money(row.owner_should_income_amount) }}</template>
+        <template #default="{ row }">{{ moneyCent(row.owner_should_income_amount_cent) }}</template>
       </el-table-column>
       <el-table-column label="号主入账" width="130">
-        <template #default="{ row }">{{ money(row.owner_wallet_income_amount) }}</template>
+        <template #default="{ row }">{{ moneyCent(row.owner_wallet_income_amount_cent) }}</template>
       </el-table-column>
       <el-table-column label="结算差异" width="130">
         <template #default="{ row }">
-          <span :class="rowDiffClass(row)">{{ money(row.settlement_diff_amount) }}</span>
+          <span :class="rowDiffClass(row)">{{ moneyCent(row.settlement_diff_amount_cent) }}</span>
         </template>
       </el-table-column>
       <el-table-column label="收款/退款/结算" min-width="170">

frontend/src/features/admin/views/AdminFinanceDetailsView.vue

@@ -6,7 +6,7 @@ import {
   fetchFinanceDetails,
   type FinanceDetail,
 } from '@/features/admin/api/adminFinance'
-import { formatMoneyWithSymbol } from '@/shared/utils/money'
+import { formatCentWithSymbol } from '@/shared/utils/money'
 import { orderStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
 import AdminTablePagination from '../components/AdminTablePagination.vue'
@@ -59,12 +59,8 @@ async function handlePageChange() {
   await loadDetails()
 }
 
-function money(value: number) {
-  return formatMoneyWithSymbol(value)
-}
-
 function moneyCent(value: number) {
-  return formatMoneyWithSymbol(Number(value || 0) / 100)
+  return formatCentWithSymbol(value)
 }
 
 function financeStatusLabel(status: string) {
@@ -226,14 +222,14 @@ function formatInputDate(date: Date) {
             {{ moneyCent(row.refunding_amount_cent) }}
           </span>
           <span class="amount-text amount-cell">{{ moneyCent(row.channel_net_amount_cent) }}</span>
-          <span class="amount-text amount-cell">{{ money(row.checkout_platform_fee) }}</span>
-          <span class="amount-text amount-cell">{{ money(row.checkout_owner_income) }}</span>
-          <span class="amount-text amount-cell">{{ money(row.owner_wallet_income_amount) }}</span>
+          <span class="amount-text amount-cell">{{ moneyCent(row.checkout_platform_fee_cent) }}</span>
+          <span class="amount-text amount-cell">{{ moneyCent(row.checkout_owner_income_cent) }}</span>
+          <span class="amount-text amount-cell">{{ moneyCent(row.owner_wallet_income_amount_cent) }}</span>
           <span
             class="amount-text amount-cell"
-            :class="{ 'amount-danger': Math.abs(row.settlement_diff_amount) >= 0.05 }"
+            :class="{ 'amount-danger': Math.abs(row.settlement_diff_amount_cent) >= 5 }"
           >
-            {{ money(row.settlement_diff_amount) }}
+            {{ moneyCent(row.settlement_diff_amount_cent) }}
           </span>
         </div>
       </div>

frontend/src/features/admin/views/AdminListingDetailView.vue

@@ -5,7 +5,7 @@ import { computed, onMounted, ref } from 'vue'
 import { useRoute } from 'vue-router'
 
 import { fetchAdminFileBlob } from '@/shared/api/files'
-import { formatMoneyWithSymbol } from '@/shared/utils/money'
+import { formatCentWithSymbol } from '@/shared/utils/money'
 import {
   adminMarkListingAbnormal,
   adminOfflineListing,
@@ -78,12 +78,12 @@ async function submitAction() {
   }
 }
 
-function money(value: number) {
-  return formatMoneyWithSymbol(value)
+function moneyCent(value: number) {
+  return formatCentWithSymbol(value)
 }
 
 function listingPrice(row: Listing) {
-  return money(row.price)
+  return moneyCent(row.price_cent)
 }
 
 function extractObjectKey(url: string) {
@@ -150,7 +150,7 @@ function readError(error: unknown, fallback: string) {
       </div>
       <div class="metric-card">
         <span>押金</span>
-        <strong>{{ money(listing.deposit_amount) }}</strong>
+        <strong>{{ moneyCent(listing.deposit_amount_cent) }}</strong>
       </div>
     </div>
 
@@ -172,7 +172,7 @@ function readError(error: unknown, fallback: string) {
         <p>号主：{{ listing.owner_phone || listing.owner_nickname || listing.owner_id }}</p>
         <p>号主 ID：{{ listing.owner_id }}</p>
         <p>价格：{{ listingPrice(listing) }}</p>
-        <p>押金：{{ money(listing.deposit_amount) }}</p>
+        <p>押金：{{ moneyCent(listing.deposit_amount_cent) }}</p>
       </div>
     </div>
 

frontend/src/features/admin/views/AdminListingReviewView.vue

@@ -4,7 +4,7 @@ import { ElMessage, ElMessageBox } from 'element-plus'
 import { computed, nextTick, onBeforeUnmount, onMounted, reactive, ref, watch } from 'vue'
 
 import { fetchAdminFileBlob } from '@/shared/api/files'
-import { formatMoneyWithSymbol } from '@/shared/utils/money'
+import { centToYuan, formatCent, formatMoneyWithSymbol, yuanToCent } from '@/shared/utils/money'
 import {
   adjustListingReviewPrice,
   approveListing,
@@ -185,10 +185,10 @@ async function handleSavePriceAdjust() {
           reason: priceAdjustForm.reason.trim(),
         }
       : {
-          buyer_total_price: Number(priceAdjustForm.buyer_total_price || 0),
+          buyer_total_price_cent: yuanToCent(Number(priceAdjustForm.buyer_total_price || 0)),
           reason: priceAdjustForm.reason.trim(),
         }
-  if ((payload.buyer_ratio || payload.buyer_total_price || 0) <= 0) {
+  if ((payload.buyer_ratio || payload.buyer_total_price_cent || 0) <= 0) {
     ElMessage.warning('请填写有效的加价后比例或价格')
     return
   }
@@ -298,8 +298,9 @@ function roundPreviewRatio(value: number) {
 function sellerTotalPrice(row: Listing) {
   const value = breakdownNumber(row, 'seller_total_price')
   if (value > 0) return value
-  const fallback = Number(row.price || 0) - getListingConsumablePrice(row)
-  return fallback > 0 ? fallback : Number(row.price || 0)
+  const price = centToYuan(row.price_cent)
+  const fallback = price - getListingConsumablePrice(row)
+  return fallback > 0 ? fallback : price
 }
 
 function sellerCoinBasePrice(row: Listing) {
@@ -318,7 +319,7 @@ function sellerRatio(row: Listing) {
 
 function buyerTotalPrice(row: Listing) {
   const value = breakdownNumber(row, 'buyer_total_price')
-  return value > 0 ? value : Number(row.price || 0)
+  return value > 0 ? value : centToYuan(row.price_cent)
 }
 
 function buyerCoinBasePrice(row: Listing) {
@@ -463,7 +464,7 @@ function riskItems(row: Listing): RiskItem[] {
   if (hasBanRecord(row)) items.push({ label: `封禁记录：${banRecordText(row)}`, level: 'danger' })
   if (
     getListingConsumablePrice(row) > 0 &&
-    Number(row.deposit_amount || 0) <= getListingConsumablePrice(row)
+    centToYuan(row.deposit_amount_cent) <= getListingConsumablePrice(row)
   ) {
     items.push({ label: '押金不高于消耗品价值', level: 'danger' })
   }
@@ -646,7 +647,7 @@ function readError(error: unknown, fallback: string) {
               <span>KD {{ assetNumberText(item, 'secret_kd') }}</span>
             </div>
             <div class="queue-footer">
-              <span>{{ money(item.price) }} / 押 {{ money(item.deposit_amount) }}</span>
+              <span>¥{{ formatCent(item.price_cent) }} / 押 ¥{{ formatCent(item.deposit_amount_cent) }}</span>
               <el-tag v-if="isExternalUpload(item)" size="small" type="info">{{
                 uploaderName(item)
               }}</el-tag>
@@ -733,7 +734,7 @@ function readError(error: unknown, fallback: string) {
             </div>
             <div class="price-decision-card deposit">
               <span>押金与损耗</span>
-              <strong>{{ money(selectedListing.deposit_amount) }}</strong>
+              <strong>¥{{ formatCent(selectedListing.deposit_amount_cent) }}</strong>
               <p>每日损耗 {{ dailyLossText(selectedListing) }}</p>
               <small>哈夫币 {{ formatHafCoinM(getCoinWan(selectedListing)) }}</small>
             </div>

frontend/src/features/admin/views/AdminListingsView.vue

@@ -10,7 +10,7 @@ import {
   type Listing,
 } from '@/features/listings'
 import { useAdminTable } from '@/features/admin/composables/useAdminTable'
-import { useMoney } from '@/shared/composables/useMoney'
+import { formatCentWithSymbol } from '@/shared/utils/money'
 import {
   assetRegions,
   formatEstimatedRentalDuration,
@@ -23,8 +23,6 @@ import {
   getSkinGroup,
 } from '@/utils/listingDisplay'
 
-const money = useMoney()
-
 const filters = reactive<AdminListingQuery>({
   owner_id: '',
   status: '',
@@ -322,7 +320,7 @@ function readScreenshotError(error: unknown, fallback: string) {
 }
 
 function listingPrice(row: Listing) {
-  return money(row.price)
+  return formatCentWithSymbol(row.price_cent)
 }
 
 function listingCoinM(row: Listing) {
@@ -372,7 +370,7 @@ function characterAndWeaponSkinText(row: Listing) {
 }
 
 function rentAndDepositText(row: Listing) {
-  return `${listingPrice(row)}/${money(row.deposit_amount)}`
+  return `${listingPrice(row)}/${formatCentWithSymbol(row.deposit_amount_cent)}`
 }
 
 function estimateTitle(row: Listing) {

frontend/src/features/admin/views/AdminOrderDetailView.vue

@@ -15,7 +15,7 @@ import {
   type RefundStatus,
 } from '@/features/orders'
 import { fetchAdminPayments, type AdminPayment } from '@/features/admin/api/adminPayments'
-import { centToYuan, formatMoney, formatMoneyWithSymbol } from '@/shared/utils/money'
+import { centToYuan, formatCentWithSymbol, formatMoney } from '@/shared/utils/money'
 import { handoffStatusLabel, orderStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
 import { formatListingNo } from '@/utils/listingDisplay'
@@ -111,9 +111,9 @@ function money(value: unknown) {
   return formatMoney(Number(value || 0))
 }
 
-function amountYuan(cent: unknown, legacyYuan?: unknown) {
+function amountYuan(cent: unknown) {
   if (cent !== undefined && cent !== null) return centToYuan(Number(cent || 0))
-  return Number(legacyYuan || 0)
+  return 0
 }
 
 async function handleRefund() {
@@ -173,7 +173,7 @@ function paymentBizTypeLabel(type: string) {
 }
 
 function moneyCent(value: number) {
-  return formatMoneyWithSymbol(Number(value || 0) / 100)
+  return formatCentWithSymbol(value)
 }
 
 function formatHandoffRecordType(type: string) {
@@ -232,15 +232,15 @@ function formatHandoffRecordType(type: string) {
       </div>
       <div class="metric-card">
         <span>订单金额</span>
-        <strong>¥{{ money(amountYuan(order.rent_amount_cent, order.rent_amount)) }}</strong>
+        <strong>¥{{ money(amountYuan(order.rent_amount_cent)) }}</strong>
       </div>
       <div class="metric-card">
         <span>平台费用</span>
-        <strong>¥{{ money(amountYuan(order.platform_fee_cent, order.platform_fee)) }}</strong>
+        <strong>¥{{ money(amountYuan(order.platform_fee_cent)) }}</strong>
       </div>
       <div class="metric-card">
         <span>押金</span>
-        <strong>¥{{ money(amountYuan(order.deposit_amount_cent, order.deposit_amount)) }}</strong>
+        <strong>¥{{ money(amountYuan(order.deposit_amount_cent)) }}</strong>
       </div>
       <div v-if="refundStatus" class="metric-card">
         <span>退款状态</span>

frontend/src/features/admin/views/AdminOrdersView.vue

@@ -37,9 +37,9 @@ const filteredOrders = computed(() => {
   return orders.value.filter(item => item.status === status.value)
 })
 
-function amountYuan(cent: unknown, legacyYuan?: unknown) {
+function amountYuan(cent: unknown) {
   if (cent !== undefined && cent !== null) return centToYuan(Number(cent || 0))
-  return Number(legacyYuan || 0)
+  return 0
 }
 
 function money(value: unknown) {
@@ -95,10 +95,10 @@ function money(value: unknown) {
         <template #default="{ row }">{{ settlementStatusLabel(row.settlement_status) }}</template>
       </el-table-column>
       <el-table-column label="订单金额" width="100">
-        <template #default="{ row }">¥{{ money(amountYuan(row.rent_amount_cent, row.rent_amount)) }}</template>
+        <template #default="{ row }">¥{{ money(amountYuan(row.rent_amount_cent)) }}</template>
       </el-table-column>
       <el-table-column label="押金" width="100">
-        <template #default="{ row }">¥{{ money(amountYuan(row.deposit_amount_cent, row.deposit_amount)) }}</template>
+        <template #default="{ row }">¥{{ money(amountYuan(row.deposit_amount_cent)) }}</template>
       </el-table-column>
       <el-table-column label="创建时间" min-width="180">
         <template #default="{ row }">{{ formatDateTime(row.created_at) }}</template>

frontend/src/features/admin/views/AdminPaymentConfigsView.vue

@@ -11,7 +11,7 @@ import {
   type PaymentConfig,
 } from '@/features/admin/api/paymentConfig'
 import { formatDateTime } from '@/utils/time'
-import { formatMoney } from '@/shared/utils/money'
+import { formatCent } from '@/shared/utils/money'
 import { readError } from '@/utils/error'
 import PaymentConfigDialog from '../components/PaymentConfigDialog.vue'
 
@@ -231,7 +231,7 @@ function formatEnvironment(env: string) {
 }
 
 function formatAmount(amountCent: number) {
-  return formatMoney(amountCent / 100)
+  return formatCent(amountCent)
 }
 
 function getStatusType(status: string) {

frontend/src/features/admin/views/AdminPaymentsView.vue

@@ -3,7 +3,7 @@ import { Document, Search } from '@element-plus/icons-vue'
 import { computed, onMounted, reactive, ref } from 'vue'
 
 import { fetchAdminPayments, type AdminPayment } from '@/features/admin/api/adminPayments'
-import { formatMoneyWithSymbol } from '@/shared/utils/money'
+import { formatCentWithSymbol } from '@/shared/utils/money'
 import { formatDateTime } from '@/utils/time'
 import AdminTablePagination from '../components/AdminTablePagination.vue'
 
@@ -70,7 +70,7 @@ async function handlePageChange() {
 }
 
 function moneyCent(value: number) {
-  return formatMoneyWithSymbol(Number(value || 0) / 100)
+  return formatCentWithSymbol(value)
 }
 
 function paymentStatusType(status: string) {

frontend/src/features/admin/views/AdminUsersView.vue

@@ -9,7 +9,7 @@ import {
   unfreezeAdminUser,
   type AdminUserItem,
 } from '@/features/admin/api/adminUsers'
-import { formatMoney } from '@/shared/utils/money'
+import { centToYuan, formatCent, yuanToCent } from '@/shared/utils/money'
 import { useAdminPaginatedTable } from '@/features/admin/composables/useAdminPaginatedTable'
 import { userStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
@@ -39,14 +39,14 @@ function openFreeze(row: AdminUserItem) {
 
 function openDepositQuota(row: AdminUserItem) {
   quotaUser.value = row
-  quotaAmount.value = Number(row.deposit_free_quota || 0)
+  quotaAmount.value = centToYuan(row.deposit_free_quota_cent)
 }
 
 async function handleSetDepositQuota() {
   if (!quotaUser.value) return
   submitting.value = true
   try {
-    await setAdminUserDepositFreeQuota(quotaUser.value.id, quotaAmount.value)
+    await setAdminUserDepositFreeQuota(quotaUser.value.id, yuanToCent(quotaAmount.value))
     ElMessage.success('免押额度已更新')
     quotaUser.value = null
     await loadUsers()
@@ -93,8 +93,8 @@ function readError(error: unknown, fallback: string) {
   return fallback
 }
 
-function money(value: number | string | undefined) {
-  return formatMoney(Number(value || 0))
+function moneyCent(value: number | string | undefined) {
+  return formatCent(Number(value || 0))
 }
 </script>
 
@@ -117,13 +117,13 @@ function money(value: number | string | undefined) {
         <template #default="{ row }">{{ userStatusLabel(row.status) }}</template>
       </el-table-column>
       <el-table-column label="免押额度" width="130">
-        <template #default="{ row }">¥{{ money(row.deposit_free_quota) }}</template>
+        <template #default="{ row }">¥{{ moneyCent(row.deposit_free_quota_cent) }}</template>
       </el-table-column>
       <el-table-column label="已占用" width="120">
-        <template #default="{ row }">¥{{ money(row.deposit_free_used) }}</template>
+        <template #default="{ row }">¥{{ moneyCent(row.deposit_free_used_cent) }}</template>
       </el-table-column>
       <el-table-column label="剩余免押" width="120">
-        <template #default="{ row }">¥{{ money(row.deposit_free_remaining) }}</template>
+        <template #default="{ row }">¥{{ moneyCent(row.deposit_free_remaining_cent) }}</template>
       </el-table-column>
       <el-table-column label="注册时间" min-width="180">
         <template #default="{ row }">{{ formatDateTime(row.created_at) }}</template>
@@ -195,8 +195,8 @@ function money(value: number | string | undefined) {
           <strong>{{ quotaUser.phone }}</strong> · {{ quotaUser.nickname }}
         </p>
         <p>
-          已占用 ¥{{ money(quotaUser.deposit_free_used) }}，剩余 ¥{{
-            money(quotaUser.deposit_free_remaining)
+          已占用 ¥{{ moneyCent(quotaUser.deposit_free_used_cent) }}，剩余 ¥{{
+            moneyCent(quotaUser.deposit_free_remaining_cent)
           }}
         </p>
         <el-input-number

frontend/src/features/disputes/api/disputes.ts

@@ -47,7 +47,7 @@ export async function fetchAdminDisputes(page = 1, pageSize = 20) {
 
 export async function arbitrateDispute(
   id: number,
-  payload: { result: string; remark: string; amount?: number }
+  payload: { result: string; remark: string; amount_cent?: number }
 ) {
   const { data } = await apiClient.post<ApiResponse<Dispute>>(
     `/admin/disputes/${id}/arbitrate`,

frontend/src/features/listings/api/listings.ts

@@ -19,8 +19,8 @@ export interface Listing {
   asset_summary?: Record<string, unknown>
   screenshot_urls: string[]
   cover_url: string
-  price: number
-  deposit_amount: number
+  price_cent: number
+  deposit_amount_cent: number
   is_accelerated_sale?: boolean
   in_transaction: boolean
   status: ListingStatus
@@ -40,8 +40,8 @@ export interface ListingPayload {
   haf_coin_amount: number
   asset_summary?: Record<string, unknown>
   screenshot_urls: string[]
-  price: number
-  deposit_amount: number
+  price_cent: number
+  deposit_amount_cent: number
   agreed_virtual_asset_sale: boolean
   agreed_seller_agreement: boolean
 }
@@ -214,7 +214,7 @@ export async function approveListing(id: number) {
 
 export interface AdminListingPriceAdjustPayload {
   buyer_ratio?: number
-  buyer_total_price?: number
+  buyer_total_price_cent?: number
   reason?: string
 }
 

frontend/src/features/listings/components/ListingCard.vue

@@ -2,7 +2,7 @@
 import { computed } from 'vue'
 import { RouterLink } from 'vue-router'
 import type { Listing } from '@/features/listings'
-import { formatMoney } from '@/shared/utils/money'
+import { formatCent, formatMoney } from '@/shared/utils/money'
 import {
   formatHafCoinM,
   getCoinWan,
@@ -140,7 +140,7 @@ function formatStatNumber(value: number) {
       </div>
       <div class="price-item deposit">
         <small>押金</small>
-        <span>¥{{ formatMoney(listing.deposit_amount) }}</span>
+        <span>¥{{ formatCent(listing.deposit_amount_cent) }}</span>
       </div>
       <div class="price-action">
         <button class="rent-btn">立即租用</button>

frontend/src/features/listings/views/ListingDetailView.vue

@@ -11,7 +11,7 @@ import {
 } from '@/features/orders/api/orders'
 import { useSessionStore } from '@/stores/session'
 import AuthImage from '@/shared/components/business/AuthImage.vue'
-import { roundMoney, formatMoney } from '@/shared/utils/money'
+import { roundMoney, formatMoney, formatCent } from '@/shared/utils/money'
 import {
   assetRegions,
   formatEstimatedRentalDuration,
@@ -102,7 +102,7 @@ const detailMetrics = computed(() => {
       tone: 'coin',
     },
     { label: '价格', value: `¥${orderTotal.value}`, tone: 'price' },
-    { label: '押金', value: `¥${formatMoney(listing.value.deposit_amount)}`, tone: '' },
+    { label: '押金', value: `¥${formatCent(listing.value.deposit_amount_cent)}`, tone: '' },
   ]
 })
 
@@ -465,7 +465,7 @@ function listingPrice(item: Listing) {
                 <strong>¥{{ formatMoney(orderPriceBreakdown.consumable) }}</strong>
               </div>
             </div>
-            <em>押金另付 ¥{{ formatMoney(listing.deposit_amount) }}</em>
+            <em>押金另付 ¥{{ formatCent(listing.deposit_amount_cent) }}</em>
           </div>
           <dl class="order-check-list">
             <div>

frontend/src/features/listings/views/ListingsView.vue

@@ -6,7 +6,7 @@ import {
   type ListingPublishOptions,
 } from '@/features/listings/api/listingOptions'
 import { fetchListings, type Listing } from '@/features/listings/api/listings'
-import { formatMoney } from '@/shared/utils/money'
+import { centToYuan, formatCent, formatMoney } from '@/shared/utils/money'
 import {
   defaultHomeAnnouncements,
   defaultHomeBanners,
@@ -347,7 +347,7 @@ function matchesFilters(item: Listing) {
     if (key === 'price') value = getListingDisplayPrice(item)
     if (key === 'coin') value = getCoinM(item)
     if (key === 'secretKd') value = readAssetNumber(item, 'secret_kd')
-    if (key === 'deposit') value = Number(item.deposit_amount || 0)
+    if (key === 'deposit') value = centToYuan(item.deposit_amount_cent)
     if (key.startsWith('resource_')) {
       value = getResourceQuantity(item, key.replace('resource_', ''))
     }
@@ -622,7 +622,7 @@ function parseQuantityUnit(price: string) {
         </div>
         <div class="resource-price-box">
           <strong>¥{{ formatMoney(getListingDisplayPrice(item)) }}</strong>
-          <span class="rent-sub">押金¥{{ formatMoney(item.deposit_amount) }}</span>
+          <span class="rent-sub">押金¥{{ formatCent(item.deposit_amount_cent) }}</span>
         </div>
       </RouterLink>
     </div>

frontend/src/features/listings/views/MobileHomeView.vue

@@ -5,7 +5,7 @@ import { showToast } from 'vant'
 import MobileBottomNav from '@/components/MobileBottomNav.vue'
 
 import { ensureSupportChat } from '@/features/chats/api/chats'
-import { formatMoney } from '@/shared/utils/money'
+import { formatCent, formatMoney } from '@/shared/utils/money'
 import {
   emptyListingPublishOptions,
   type ListingPublishOptions,
@@ -697,7 +697,7 @@ function chipTone(label: string) {
               <div class="card-footer">
                 <div class="price-col">
                   <strong>¥{{ formatMoney(getListingDisplayPrice(item)) }}</strong>
-                  <span class="rent-sub">押金 ¥{{ formatMoney(item.deposit_amount) }}</span>
+                  <span class="rent-sub">押金 ¥{{ formatCent(item.deposit_amount_cent) }}</span>
                 </div>
               </div>
             </div>

frontend/src/features/listings/views/MobileListingDetailView.vue

@@ -11,7 +11,7 @@ import {
 } from '@/features/orders/api/orders'
 import { useSessionStore } from '@/stores/session'
 import AuthImage from '@/shared/components/business/AuthImage.vue'
-import { formatMoney } from '@/shared/utils/money'
+import { formatCent, formatMoney } from '@/shared/utils/money'
 import {
   assetRegions,
   formatHafCoinM,
@@ -95,7 +95,7 @@ const detailMetrics = computed(() => {
       tone: 'coin',
     },
     { label: '价格', value: `¥${formatMoney(getListingDisplayPrice(listing.value))}`, tone: 'price' },
-    { label: '押金', value: `¥${formatMoney(listing.value.deposit_amount)}`, tone: '' },
+    { label: '押金', value: `¥${formatCent(listing.value.deposit_amount_cent)}`, tone: '' },
   ]
 })
 

frontend/src/features/orders/api/orders.ts

@@ -26,14 +26,6 @@ export interface Order {
   deposit_original_amount_cent: number
   deposit_waived_amount_cent: number
   platform_fee_cent?: number
-  // Legacy yuan fields may be present from cached/older API payloads during rollout.
-  display_amount?: number
-  rent_amount?: number
-  owner_rent_amount?: number
-  deposit_amount?: number
-  deposit_original_amount?: number
-  deposit_waived_amount?: number
-  platform_fee?: number
   account_snapshot?: Record<string, unknown>
   listing_snapshot?: string
   checkout_info?: string
@@ -64,16 +56,6 @@ export interface Checkout {
   deposit_deduct_amount_cent: number
   renter_refund_amount_cent?: number
   owner_income_amount_cent?: number
-  display_amount?: number
-  rent_amount?: number
-  owner_rent_amount?: number
-  platform_fee?: number
-  deposit_amount?: number
-  consumable_amount?: number
-  other_amount?: number
-  deposit_deduct_amount?: number
-  renter_refund_amount?: number
-  owner_income_amount?: number
   content: string
   evidence_urls: string[]
   owner_adjustment_reason: string
@@ -319,4 +301,3 @@ export async function adminRefundOrder(id: number) {
   const { data } = await apiClient.post<ApiResponse<RefundStatus>>(`/admin/orders/${id}/refund`)
   return data.data
 }
-

frontend/src/features/orders/views/MobileOrderDetailView.vue

@@ -557,26 +557,24 @@ function formatHandoffRecordType(type: string) {
   return typeMap[type] || type
 }
 
-function amountYuan(cent: unknown, legacyYuan?: unknown) {
+function amountYuan(cent: unknown) {
   if (cent !== undefined && cent !== null) return centToYuan(readNumber(cent))
-  return readNumber(legacyYuan)
+  return 0
 }
 
 function orderRentAmount(item: Order) {
   if (item.owner_id === session.userId)
-    return amountYuan(item.owner_rent_amount_cent, item.owner_rent_amount ?? item.display_amount)
+    return amountYuan(item.owner_rent_amount_cent)
   if (item.renter_id === session.userId)
-    return amountYuan(item.rent_amount_cent, item.rent_amount ?? item.display_amount)
-  return amountYuan(item.display_amount_cent, item.display_amount)
+    return amountYuan(item.rent_amount_cent)
+  return amountYuan(item.display_amount_cent)
 }
 
 function ownerActualIncome(item: Order) {
   if (item.owner_id !== session.userId) return null
   const value = item.checkout?.owner_income_amount_cent
   if (typeof value === 'number') return centToYuan(value)
-  return typeof item.checkout?.owner_income_amount === 'number'
-    ? item.checkout.owner_income_amount
-    : null
+  return null
 }
 
 function quantity(value: unknown) {
@@ -596,16 +594,10 @@ function isRecord(value: unknown): value is Record<string, unknown> {
 function hydrateCounterForm() {
   if (!order.value?.checkout) return
   const checkout = order.value.checkout
-  counterForm.value.consumable_amount = amountYuan(
-    checkout.consumable_amount_cent,
-    checkout.consumable_amount
-  )
+  counterForm.value.consumable_amount = amountYuan(checkout.consumable_amount_cent)
   counterForm.value.coin_consumed_m = checkout.coin_consumed_m
-  counterForm.value.other_amount = amountYuan(checkout.other_amount_cent, checkout.other_amount)
-  counterForm.value.deposit_deduct_amount = amountYuan(
-    checkout.deposit_deduct_amount_cent,
-    checkout.deposit_deduct_amount
-  )
+  counterForm.value.other_amount = amountYuan(checkout.other_amount_cent)
+  counterForm.value.deposit_deduct_amount = amountYuan(checkout.deposit_deduct_amount_cent)
 }
 
 function linesToList(value: string) {
@@ -696,14 +688,12 @@ async function copyListingCode() {
           <div class="meta-item">
             <span class="meta-label">押金</span>
             <strong class="meta-value"
-              >¥{{ money(amountYuan(order.deposit_amount_cent, order.deposit_amount)) }}</strong
+              >¥{{ money(amountYuan(order.deposit_amount_cent)) }}</strong
             >
             <span
-              v-if="amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount) > 0"
+              v-if="amountYuan(order.deposit_waived_amount_cent) > 0"
               class="meta-note"
-              >已免押 ¥{{
-                money(amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount))
-              }}</span
+              >已免押 ¥{{ money(amountYuan(order.deposit_waived_amount_cent)) }}</span
             >
           </div>
           <div class="meta-item">
@@ -956,59 +946,36 @@ async function copyListingCode() {
         <van-cell-group inset :border="false">
           <van-cell
             title="实际结算租金"
-            :value="`¥${money(
-              amountYuan(order.checkout.display_amount_cent, order.checkout.display_amount)
-            )}`"
+            :value="`¥${money(amountYuan(order.checkout.display_amount_cent))}`"
           />
           <van-cell
             title="押金总额"
             :label="
-              amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount) > 0
-                ? `已免押 ¥${money(
-                    amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount)
-                  )}`
+              amountYuan(order.deposit_waived_amount_cent) > 0
+                ? `已免押 ¥${money(amountYuan(order.deposit_waived_amount_cent))}`
                 : ''
             "
-            :value="`¥${money(
-              amountYuan(order.checkout.deposit_amount_cent, order.checkout.deposit_amount)
-            )}`"
+            :value="`¥${money(amountYuan(order.checkout.deposit_amount_cent))}`"
           />
           <van-cell
             title="额外消耗品已用"
-            :value="`¥${money(
-              amountYuan(order.checkout.consumable_amount_cent, order.checkout.consumable_amount)
-            )}`"
+            :value="`¥${money(amountYuan(order.checkout.consumable_amount_cent))}`"
           />
           <van-cell
             title="押金赔付扣除"
-            :value="`¥${money(
-              amountYuan(
-                order.checkout.deposit_deduct_amount_cent,
-                order.checkout.deposit_deduct_amount
-              )
-            )}`"
+            :value="`¥${money(amountYuan(order.checkout.deposit_deduct_amount_cent))}`"
             value-class="red-text"
           />
           <van-cell
             v-if="isRenter"
             title="退还租客"
-            :value="`¥${money(
-              amountYuan(
-                order.checkout.renter_refund_amount_cent,
-                order.checkout.renter_refund_amount
-              )
-            )}`"
+            :value="`¥${money(amountYuan(order.checkout.renter_refund_amount_cent))}`"
             value-class="green-text"
           />
           <van-cell
             v-if="isOwner"
             title="号主最终收入"
-            :value="`¥${money(
-              amountYuan(
-                order.checkout.owner_income_amount_cent,
-                order.checkout.owner_income_amount
-              )
-            )}`"
+            :value="`¥${money(amountYuan(order.checkout.owner_income_amount_cent))}`"
             value-class="green-text"
           />
           <van-cell

frontend/src/features/orders/views/MobileOrdersView.vue

@@ -131,21 +131,21 @@ function amountLabel(order: Order) {
   return isOwner(order) ? '预计租金' : '支付租金'
 }
 
-function amountYuan(cent: unknown, legacyYuan?: unknown) {
+function amountYuan(cent: unknown) {
   if (cent !== undefined && cent !== null) return centToYuan(Number(cent || 0))
-  return Number(legacyYuan || 0)
+  return 0
 }
 
 function orderRentAmount(order: Order) {
-  if (isOwner(order)) return amountYuan(order.owner_rent_amount_cent, order.owner_rent_amount ?? order.display_amount)
-  return amountYuan(order.rent_amount_cent, order.rent_amount ?? order.display_amount)
+  if (isOwner(order)) return amountYuan(order.owner_rent_amount_cent)
+  return amountYuan(order.rent_amount_cent)
 }
 
 function ownerActualIncome(order: Order) {
   if (!isOwner(order)) return null
   const value = order.checkout?.owner_income_amount_cent
   if (typeof value === 'number') return centToYuan(value)
-  return typeof order.checkout?.owner_income_amount === 'number' ? order.checkout.owner_income_amount : null
+  return null
 }
 
 function formatListingCode(order: Order) {
@@ -238,9 +238,9 @@ async function copyListingCode(order: Order) {
             <div class="price-item">
               <span class="price-label">押金金额</span>
               <span class="price-val deposit">
-                ¥{{ money(amountYuan(order.deposit_amount_cent, order.deposit_amount)) }}
-                <em v-if="amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount) > 0"
-                  >免 ¥{{ money(amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount)) }}</em
+                ¥{{ money(amountYuan(order.deposit_amount_cent)) }}
+                <em v-if="amountYuan(order.deposit_waived_amount_cent) > 0"
+                  >免 ¥{{ money(amountYuan(order.deposit_waived_amount_cent)) }}</em
                 >
               </span>
             </div>

frontend/src/features/orders/views/OrderDetailView.vue

@@ -8,7 +8,7 @@ import QRCode from 'qrcode'
 import { fetchOrderChat } from '@/features/chats/api/chats'
 import { createDispute } from '@/features/disputes'
 import { uploadFile } from '@/shared/api/files'
-import { centToYuan, formatMoney } from '@/shared/utils/money'
+import { centToYuan, formatCent, formatMoney } from '@/shared/utils/money'
 import {
   acceptCheckout,
   cancelOrder,
@@ -606,26 +606,24 @@ function money(value: unknown) {
   return formatMoney(readNumber(value))
 }
 
-function amountYuan(cent: unknown, legacyYuan?: unknown) {
+function amountYuan(cent: unknown) {
   if (cent !== undefined && cent !== null) return centToYuan(readNumber(cent))
-  return readNumber(legacyYuan)
+  return 0
 }
 
 function orderRentAmount(item: Order) {
   if (item.owner_id === session.userId)
-    return amountYuan(item.owner_rent_amount_cent, item.owner_rent_amount ?? item.display_amount)
+    return amountYuan(item.owner_rent_amount_cent)
   if (item.renter_id === session.userId)
-    return amountYuan(item.rent_amount_cent, item.rent_amount ?? item.display_amount)
-  return amountYuan(item.display_amount_cent, item.display_amount)
+    return amountYuan(item.rent_amount_cent)
+  return amountYuan(item.display_amount_cent)
 }
 
 function ownerActualIncome(item: Order) {
   if (item.owner_id !== session.userId) return null
   const value = item.checkout?.owner_income_amount_cent
   if (typeof value === 'number') return centToYuan(value)
-  return typeof item.checkout?.owner_income_amount === 'number'
-    ? item.checkout.owner_income_amount
-    : null
+  return null
 }
 
 function quantity(value: unknown) {
@@ -645,16 +643,10 @@ function isRecord(value: unknown): value is Record<string, unknown> {
 function hydrateCounterForm() {
   if (!order.value?.checkout) return
   const checkout = order.value.checkout
-  counterForm.value.consumable_amount = amountYuan(
-    checkout.consumable_amount_cent,
-    checkout.consumable_amount
-  )
+  counterForm.value.consumable_amount = amountYuan(checkout.consumable_amount_cent)
   counterForm.value.coin_consumed_m = checkout.coin_consumed_m
-  counterForm.value.other_amount = amountYuan(checkout.other_amount_cent, checkout.other_amount)
-  counterForm.value.deposit_deduct_amount = amountYuan(
-    checkout.deposit_deduct_amount_cent,
-    checkout.deposit_deduct_amount
-  )
+  counterForm.value.other_amount = amountYuan(checkout.other_amount_cent)
+  counterForm.value.deposit_deduct_amount = amountYuan(checkout.deposit_deduct_amount_cent)
 }
 
 function linesToList(value: string) {
@@ -789,13 +781,13 @@ async function copyListingCode() {
           <div class="metric-card">
             <span class="metric-label">押金</span>
             <strong class="metric-value"
-              >¥{{ money(amountYuan(order.deposit_amount_cent, order.deposit_amount)) }}</strong
+              >¥{{ money(amountYuan(order.deposit_amount_cent)) }}</strong
             >
             <span
-              v-if="amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount) > 0"
+              v-if="amountYuan(order.deposit_waived_amount_cent) > 0"
               class="metric-note"
               >已免押 ¥{{
-                money(amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount))
+                money(amountYuan(order.deposit_waived_amount_cent))
               }}</span
             >
           </div>
@@ -979,81 +971,40 @@ async function copyListingCode() {
             <div class="summary-row">
               <span>实际结算租金</span>
               <strong
-                >¥{{
-                  money(
-                    amountYuan(order.checkout.display_amount_cent, order.checkout.display_amount)
-                  )
-                }}</strong
+                >¥{{ money(amountYuan(order.checkout.display_amount_cent)) }}</strong
               >
             </div>
             <div class="summary-row">
               <span>预收押金</span>
               <strong>
-                ¥{{
-                  money(
-                    amountYuan(order.checkout.deposit_amount_cent, order.checkout.deposit_amount)
-                  )
-                }}
-                <em
-                  v-if="
-                    amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount) > 0
-                  "
-                  >已免押 ¥{{
-                    money(amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount))
-                  }}</em
+                ¥{{ money(amountYuan(order.checkout.deposit_amount_cent)) }}
+                <em v-if="amountYuan(order.deposit_waived_amount_cent) > 0"
+                  >已免押 ¥{{ money(amountYuan(order.deposit_waived_amount_cent)) }}</em
                 >
               </strong>
             </div>
             <div class="summary-row">
               <span>额外消耗品已用</span>
               <strong class="warning"
-                >¥{{
-                  money(
-                    amountYuan(
-                      order.checkout.consumable_amount_cent,
-                      order.checkout.consumable_amount
-                    )
-                  )
-                }}</strong
+                >¥{{ money(amountYuan(order.checkout.consumable_amount_cent)) }}</strong
               >
             </div>
             <div class="summary-row">
               <span>押金赔付扣除</span>
               <strong class="warning"
-                >¥{{
-                  money(
-                    amountYuan(
-                      order.checkout.deposit_deduct_amount_cent,
-                      order.checkout.deposit_deduct_amount
-                    )
-                  )
-                }}</strong
+                >¥{{ money(amountYuan(order.checkout.deposit_deduct_amount_cent)) }}</strong
               >
             </div>
             <div v-if="isRenter" class="summary-row highlight">
               <span>退还租客（未使用租金 + 剩余押金）</span>
               <strong class="amount"
-                >¥{{
-                  money(
-                    amountYuan(
-                      order.checkout.renter_refund_amount_cent,
-                      order.checkout.renter_refund_amount
-                    )
-                  )
-                }}</strong
+                >¥{{ money(amountYuan(order.checkout.renter_refund_amount_cent)) }}</strong
               >
             </div>
             <div v-if="isOwner" class="summary-row highlight">
               <span>号主最终收入（租金 + 押金赔付）</span>
               <strong class="amount"
-                >¥{{
-                  money(
-                    amountYuan(
-                      order.checkout.owner_income_amount_cent,
-                      order.checkout.owner_income_amount
-                    )
-                  )
-                }}</strong
+                >¥{{ money(amountYuan(order.checkout.owner_income_amount_cent)) }}</strong
               >
             </div>
             <div v-if="order.checkout.content" class="summary-note">
@@ -1109,7 +1060,7 @@ async function copyListingCode() {
                   v-model="counterForm.deposit_deduct_amount"
                   class="full-control"
                   :min="0"
-                  :max="amountYuan(order.deposit_amount_cent, order.deposit_amount)"
+                  :max="amountYuan(order.deposit_amount_cent)"
                   :precision="0"
                   controls-position="right"
                 />
@@ -1331,7 +1282,7 @@ async function copyListingCode() {
         <div class="pay-summary">
           <div class="pay-summary-row">
             <span>支付金额</span>
-            <strong>¥{{ formatMoney(activePayment.amount_cent / 100) }}</strong>
+            <strong>¥{{ formatCent(activePayment.amount_cent) }}</strong>
           </div>
         </div>
         <div v-if="paymentPayURL()" class="pay-qr-section">

frontend/src/features/orders/views/OrdersView.vue

@@ -127,22 +127,22 @@ function amountLabel(order: Order) {
   return isRenter(order) ? '支付租金' : '预计租金'
 }
 
-function amountYuan(cent: unknown, legacyYuan?: unknown) {
+function amountYuan(cent: unknown) {
   if (cent !== undefined && cent !== null) return centToYuan(Number(cent || 0))
-  return Number(legacyYuan || 0)
+  return 0
 }
 
 function orderRentAmount(order: Order) {
-  if (isOwner(order)) return amountYuan(order.owner_rent_amount_cent, order.owner_rent_amount ?? order.display_amount)
-  if (isRenter(order)) return amountYuan(order.rent_amount_cent, order.rent_amount ?? order.display_amount)
-  return amountYuan(order.display_amount_cent, order.display_amount)
+  if (isOwner(order)) return amountYuan(order.owner_rent_amount_cent)
+  if (isRenter(order)) return amountYuan(order.rent_amount_cent)
+  return amountYuan(order.display_amount_cent)
 }
 
 function ownerActualIncome(order: Order) {
   if (!isOwner(order)) return null
   const value = order.checkout?.owner_income_amount_cent
   if (typeof value === 'number') return centToYuan(value)
-  return typeof order.checkout?.owner_income_amount === 'number' ? order.checkout.owner_income_amount : null
+  return null
 }
 
 function money(value: unknown) {
@@ -269,9 +269,9 @@ function getCountdownMinutes(order: Order) {
         <el-table-column label="押金" width="100">
           <template #default="{ row }">
             <div class="amount-cell">
-              <span class="amount-value">¥{{ money(row.deposit_amount) }}</span>
-              <span v-if="row.deposit_waived_amount > 0" class="amount-label"
-                >免 ¥{{ money(row.deposit_waived_amount) }}</span
+              <span class="amount-value">¥{{ money(amountYuan(row.deposit_amount_cent)) }}</span>
+              <span v-if="amountYuan(row.deposit_waived_amount_cent) > 0" class="amount-label"
+                >免 ¥{{ money(amountYuan(row.deposit_waived_amount_cent)) }}</span
               >
             </div>
           </template>
@@ -357,9 +357,9 @@ function getCountdownMinutes(order: Order) {
             <div class="meta-row">
               <span class="meta-label">押金</span>
               <span class="meta-value">
-                ¥{{ money(amountYuan(order.deposit_amount_cent, order.deposit_amount)) }}
-                <em v-if="amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount) > 0"
-                  >免 ¥{{ money(amountYuan(order.deposit_waived_amount_cent, order.deposit_waived_amount)) }}</em
+                ¥{{ money(amountYuan(order.deposit_amount_cent)) }}
+                <em v-if="amountYuan(order.deposit_waived_amount_cent) > 0"
+                  >免 ¥{{ money(amountYuan(order.deposit_waived_amount_cent)) }}</em
                 >
               </span>
             </div>

frontend/src/features/seller/composables/usePublishForm.ts

@@ -26,6 +26,7 @@ import {
   writePublishDraft,
 } from '@/features/seller/composables/usePublishDraft'
 import type { PublishForm } from '@/types/publish'
+import { yuanToCent } from '@/shared/utils/money'
 import { commonOnlineTimes, dailyLossOptions, formatNumber, roundRatio } from '@/utils/pricing'
 
 const draftSaveDelay = 400
@@ -567,8 +568,8 @@ export function usePublishForm(options: UsePublishFormOptions) {
         haf_coin_amount: pricing.coinMAmount.value * 1000000,
         asset_summary: buildAssetSummary(),
         screenshot_urls: pricing.screenshotUrls.value,
-        price: pricing.calculatedFinalPrice.value,
-        deposit_amount: Number(form.deposit_amount),
+        price_cent: yuanToCent(pricing.calculatedFinalPrice.value),
+        deposit_amount_cent: yuanToCent(Number(form.deposit_amount)),
         agreed_virtual_asset_sale: virtualAssetSaleAgreementChecked.value,
         agreed_seller_agreement: sellerAgreementChecked.value,
       })

frontend/src/features/seller/views/SellerHandoffsView.vue

@@ -5,7 +5,7 @@ import { fetchOrders, type Order } from '@/features/orders'
 import { useSessionStore } from '@/stores/session'
 import { handoffStatusLabel, orderStatusLabel } from '@/utils/statusLabels'
 import { formatDateTime } from '@/utils/time'
-import { formatMoney } from '@/shared/utils/money'
+import { centToYuan, formatMoney } from '@/shared/utils/money'
 import { formatListingNo } from '@/utils/listingDisplay'
 
 const session = useSessionStore()
@@ -73,6 +73,10 @@ function actionText(order: Order) {
 function money(value: unknown) {
   return formatMoney(Number(value || 0))
 }
+
+function sellerAmount(order: Order) {
+  return centToYuan(order.owner_rent_amount_cent ?? order.display_amount_cent)
+}
 </script>
 
 <template>
@@ -122,7 +126,7 @@ function money(value: unknown) {
       <el-table-column prop="order_no" label="订单号" min-width="220" />
       <el-table-column prop="title" label="账号" min-width="180" />
       <el-table-column label="金额" width="120">
-        <template #default="{ row }">¥{{ money(row.display_amount) }}</template>
+        <template #default="{ row }">¥{{ money(sellerAmount(row)) }}</template>
       </el-table-column>
       <el-table-column label="订单状态" width="150">
         <template #default="{ row }">{{ orderStatusLabel(row.status) }}</template>

frontend/src/features/seller/views/SellerListingsView.vue

@@ -9,7 +9,7 @@ import {
   submitListingReview,
   type Listing,
 } from '@/features/listings'
-import { formatMoney, formatMoneyWithSymbol } from '@/shared/utils/money'
+import { formatCent, formatMoney, formatMoneyWithSymbol } from '@/shared/utils/money'
 import { listingReviewStatusLabel, listingStatusLabel } from '@/utils/statusLabels'
 import { formatListingCode, getListingSellerPrice } from '@/utils/listingDisplay'
 
@@ -227,7 +227,7 @@ function isPendingReview(row: Listing) {
             </div>
             <div>
               <span>押金</span>
-              <strong>¥{{ formatMoney(item.deposit_amount) }}</strong>
+              <strong>¥{{ formatCent(item.deposit_amount_cent) }}</strong>
             </div>
           </div>
 

frontend/src/features/wallet/api/wallet.ts

@@ -3,6 +3,7 @@ import { apiClient } from '@/shared/api/client'
 import type { ApiResponse, PaginatedResult } from '@/shared/types/types'
 import type { BalanceType, LedgerDirection, WalletStatus } from '@/shared/types/status'
 import type { PaymentOrder } from '@/features/orders/api/orders'
+import { yuanToCent } from '@/shared/utils/money'
 
 export interface WalletAccount {
   user_id: number
@@ -42,13 +43,13 @@ export async function fetchWalletLedger(page = 1, pageSize = 20) {
 }
 
 export async function rechargeWallet(amountYuan: number) {
-  const amount_cent = Math.round(amountYuan * 100)
+  const amount_cent = yuanToCent(amountYuan)
   const { data } = await apiClient.post<ApiResponse<WalletAccount>>('/wallet/recharge', { amount_cent })
   return data.data
 }
 
 export async function startWalletRechargePayment(amountYuan: number) {
-  const amount_cent = Math.round(amountYuan * 100)
+  const amount_cent = yuanToCent(amountYuan)
   const { data } = await apiClient.post<ApiResponse<PaymentOrder>>('/wallet/recharge/pay', {
     amount_cent,
   })

frontend/src/features/wallet/views/WalletView.vue

@@ -402,8 +402,8 @@ function amountPrefix(direction: string) {
           <span>支付金额</span>
           <strong>{{
             activeRechargePayment
-              ? formatMoney(activeRechargePayment.amount_cent / 100)
-              : formatMoney(devRechargeAmount)
+              ? formatCentWithSymbol(activeRechargePayment.amount_cent)
+              : `¥${formatMoney(devRechargeAmount)}`
           }}</strong>
         </div>
         <div v-if="rechargePayURL()" class="cashier-qr">

frontend/src/shared/utils/listingDisplay.ts

@@ -1,4 +1,5 @@
 import type { Listing } from '@/features/listings/api/listings'
+import { centToYuan } from '@/shared/utils/money'
 
 export interface ListingDisplayChip {
   label: string
@@ -41,7 +42,7 @@ export function formatHafCoinM(amountWan: number) {
 }
 
 export function getListingDisplayPrice(item: Listing) {
-  return Number(item.price || 0)
+  return centToYuan(item.price_cent)
 }
 
 export function getListingRentPrice(item: Listing) {

frontend/src/shared/utils/money.ts

@@ -40,12 +40,19 @@ export function centToYuan(cent: number | undefined | null): number {
 }
 
 /**
- * 分转角（四舍五入到0.1元）
- * @example centToJiao(12345) -> 123.5
- * @example centToJiao(12344) -> 123.4
+ * 分转展示用元（四舍五入到0.1元）
+ * @example centToDisplayYuan(12345) -> 123.5
+ * @example centToDisplayYuan(12344) -> 123.4
+ */
+export function centToDisplayYuan(cent: number | undefined | null): number {
+  return roundMoney(centToYuan(cent))
+}
+
+/**
+ * @deprecated 使用 centToDisplayYuan。保留导出避免旧导入立刻失效。
  */
 export function centToJiao(cent: number | undefined | null): number {
-  return Math.round(Number(cent || 0) / 10) / 10
+  return centToDisplayYuan(cent)
 }
 
 /**
@@ -54,7 +61,7 @@ export function centToJiao(cent: number | undefined | null): number {
  * @example formatCent(12344) -> "123.4"
  */
 export function formatCent(cent: number | undefined | null): string {
-  return centToJiao(cent).toFixed(1)
+  return centToDisplayYuan(cent).toFixed(1)
 }
 
 /**

frontend/src/utils/listingDisplay.ts

@@ -1,4 +1,5 @@
 import type { Listing } from '@/features/listings/api/listings'
+import { centToYuan } from '@/shared/utils/money'
 
 export interface ListingDisplayChip {
   label: string
@@ -41,7 +42,7 @@ export function formatHafCoinM(amountWan: number) {
 }
 
 export function getListingDisplayPrice(item: Listing) {
-  return Number(item.price || 0)
+  return centToYuan(item.price_cent)
 }
 
 export function getListingRentPrice(item: Listing) {

scripts/load_test_data.sql

@@ -53,11 +53,11 @@ BEGIN
         END IF;
 
         -- 为用户创建钱包
-        INSERT INTO wallet_accounts (user_id, available_balance, frozen_balance, status)
+        INSERT INTO wallet_accounts (user_id, available_balance_cent, frozen_balance_cent, status)
         VALUES (
             LAST_INSERT_ID(),
-            (i % 10) * 100.00,
-            (i % 5) * 50.00,
+            (i % 10) * 10000,
+            (i % 5) * 5000,
             'active'
         ) ON DUPLICATE KEY UPDATE user_id=user_id;
 
@@ -83,8 +83,8 @@ BEGIN
     DECLARE i INT DEFAULT 1;
     DECLARE user_id_val BIGINT;
     DECLARE account_id_val BIGINT;
-    DECLARE price_val DECIMAL(12,2);
-    DECLARE deposit_val DECIMAL(12,2);
+    DECLARE price_val BIGINT;
+    DECLARE deposit_val BIGINT;
     DECLARE verified_user_min BIGINT;
     DECLARE verified_user_max BIGINT;
     DECLARE user_pick BIGINT;
@@ -146,11 +146,11 @@ BEGIN
         SET account_id_val = LAST_INSERT_ID();
 
         -- 创建租号商品
-        SET price_val = 5.00 + (i % 20) * 0.5;
-        SET deposit_val = 100.00 + (i % 10) * 50.00;
+        SET price_val = 500 + (i % 20) * 50;
+        SET deposit_val = 10000 + (i % 10) * 5000;
 
         INSERT INTO rental_listings (
-            listing_no, account_id, owner_id, price, deposit_amount,
+            listing_no, account_id, owner_id, price_cent, deposit_amount_cent,
             in_transaction, status, review_status, published_at
         ) VALUES (
             CONCAT(
@@ -205,8 +205,8 @@ BEGIN
     DECLARE owner_id_val BIGINT;
     DECLARE renter_id_val BIGINT;
     DECLARE order_no_val VARCHAR(64);
-    DECLARE rent_amount_val DECIMAL(12,2);
-    DECLARE deposit_val DECIMAL(12,2);
+    DECLARE rent_amount_val BIGINT;
+    DECLARE deposit_val BIGINT;
     DECLARE listing_min BIGINT;
     DECLARE listing_max BIGINT;
     DECLARE listing_pick BIGINT;
@@ -235,7 +235,7 @@ BEGIN
         -- 近似随机选择一个上架商品，避免 ORDER BY RAND() 全表排序。
         SET listing_id_val = NULL;
         SET listing_pick = listing_min + FLOOR(RAND() * (listing_max - listing_min + 1));
-        SELECT rl.id, rl.account_id, rl.owner_id, rl.price, rl.deposit_amount
+        SELECT rl.id, rl.account_id, rl.owner_id, rl.price_cent, rl.deposit_amount_cent
         INTO listing_id_val, account_id_val, owner_id_val, rent_amount_val, deposit_val
         FROM rental_listings rl
         WHERE rl.id >= listing_pick
@@ -244,7 +244,7 @@ BEGIN
         ORDER BY rl.id LIMIT 1;
 
         IF listing_id_val IS NULL THEN
-            SELECT rl.id, rl.account_id, rl.owner_id, rl.price, rl.deposit_amount
+            SELECT rl.id, rl.account_id, rl.owner_id, rl.price_cent, rl.deposit_amount_cent
             INTO listing_id_val, account_id_val, owner_id_val, rent_amount_val, deposit_val
             FROM rental_listings rl
             WHERE rl.status IN ('published', 'active')
@@ -274,8 +274,8 @@ BEGIN
 
         INSERT INTO rental_orders (
             order_no, listing_id, account_id, owner_id, renter_id,
-            estimated_duration_hours, rent_amount, owner_rent_amount,
-            deposit_amount, platform_fee, status, handoff_status,
+            estimated_duration_hours, rent_amount_cent, owner_rent_amount_cent,
+            deposit_amount_cent, deposit_original_amount_cent, platform_fee_cent, status, handoff_status,
             settlement_status, rented_at, created_at
         ) VALUES (
             order_no_val,
@@ -285,9 +285,10 @@ BEGIN
             renter_id_val,
             24,
             rent_amount_val,
-            rent_amount_val * 0.95, -- 号主实得95%
+            ROUND(rent_amount_val * 0.95), -- 号主实得95%
             deposit_val,
-            rent_amount_val * 0.05, -- 平台5%手续费
+            deposit_val,
+            ROUND(rent_amount_val * 0.05), -- 平台5%手续费
             CASE (i % 10)
                 WHEN 0 THEN 'pending_payment'
                 WHEN 1 THEN 'cancelled'
@@ -331,7 +332,7 @@ BEGIN
     DECLARE user_id_val BIGINT;
     DECLARE order_id_val BIGINT;
     DECLARE ledger_no_val VARCHAR(64);
-    DECLARE amount_val DECIMAL(12,2);
+    DECLARE amount_val BIGINT;
     DECLARE user_min BIGINT;
     DECLARE user_max BIGINT;
     DECLARE order_min BIGINT;
@@ -374,18 +375,18 @@ BEGIN
         END IF;
 
         SET ledger_no_val = CONCAT('LDG', DATE_FORMAT(NOW(), '%Y%m%d%H%i%s'), LPAD(i, 6, '0'));
-        SET amount_val = (i % 500) + RAND() * 100;
+        SET amount_val = ((i % 500) * 100) + FLOOR(RAND() * 10000);
 
         INSERT INTO wallet_ledger (
-            ledger_no, user_id, order_id, direction, amount,
-            balance_after, balance_type, biz_type, biz_no, remark, created_at
+            ledger_no, user_id, order_id, direction, amount_cent,
+            balance_after_cent, balance_type, biz_type, biz_no, remark, created_at
         ) VALUES (
             ledger_no_val,
             user_id_val,
             order_id_val,
             CASE WHEN i % 2 = 0 THEN 'in' ELSE 'out' END,
             amount_val,
-            1000.00 + (i % 1000),
+            100000 + (i % 1000) * 100,
             CASE WHEN i % 5 = 0 THEN 'frozen' ELSE 'available' END,
             CASE (i % 6)
                 WHEN 0 THEN 'rent_payment'

scripts/load_test_data_optimized.sql

@@ -69,11 +69,11 @@ BEGIN
       AND NOT EXISTS (SELECT 1 FROM user_realname WHERE user_id = u.id);
 
     -- 批量生成钱包账户
-    INSERT INTO wallet_accounts (user_id, available_balance, frozen_balance, status)
+    INSERT INTO wallet_accounts (user_id, available_balance_cent, frozen_balance_cent, status)
     SELECT
         u.id,
-        (u.id % 10) * 100.00,
-        (u.id % 5) * 50.00,
+        (u.id % 10) * 10000,
+        (u.id % 5) * 5000,
         'active'
     FROM users u
     WHERE NOT EXISTS (SELECT 1 FROM wallet_accounts WHERE user_id = u.id);
@@ -159,7 +159,7 @@ BEGIN
 
         -- 批量生成租号商品
         INSERT INTO rental_listings (
-            listing_no, account_id, owner_id, price, deposit_amount,
+            listing_no, account_id, owner_id, price_cent, deposit_amount_cent,
             in_transaction, status, review_status, published_at
         )
         SELECT
@@ -169,8 +169,8 @@ BEGIN
             ) as listing_no,
             ga.id as account_id,
             ga.owner_id,
-            5.00 + ((ga.id % 20) * 0.5) as price,
-            100.00 + ((ga.id % 10) * 50.00) as deposit_amount,
+            500 + ((ga.id % 20) * 50) as price_cent,
+            10000 + ((ga.id % 10) * 5000) as deposit_amount_cent,
             CASE WHEN ga.id % 10 = 0 THEN 1 ELSE 0 END as in_transaction,
             CASE
                 WHEN ga.id % 20 = 0 THEN 'offline'
@@ -222,13 +222,13 @@ BEGIN
         id BIGINT PRIMARY KEY,
         account_id BIGINT,
         owner_id BIGINT,
-        price DECIMAL(12,2),
-        deposit_amount DECIMAL(12,2),
+        price_cent BIGINT,
+        deposit_amount_cent BIGINT,
         row_num INT
     );
 
-    INSERT INTO tmp_available_listings (id, account_id, owner_id, price, deposit_amount, row_num)
-    SELECT id, account_id, owner_id, price, deposit_amount, (@rn := @rn + 1)
+    INSERT INTO tmp_available_listings (id, account_id, owner_id, price_cent, deposit_amount_cent, row_num)
+    SELECT id, account_id, owner_id, price_cent, deposit_amount_cent, (@rn := @rn + 1)
     FROM rental_listings, (SELECT @rn := 0) init
     WHERE status IN ('published', 'active') AND review_status = 'approved'
     ORDER BY id;
@@ -255,8 +255,8 @@ BEGIN
     WHILE current_batch < batches DO
         INSERT INTO rental_orders (
             order_no, listing_id, account_id, owner_id, renter_id,
-            estimated_duration_hours, rent_amount, owner_rent_amount,
-            deposit_amount, platform_fee, status, handoff_status,
+            estimated_duration_hours, rent_amount_cent, owner_rent_amount_cent,
+            deposit_amount_cent, deposit_original_amount_cent, platform_fee_cent, status, handoff_status,
             settlement_status, rented_at, created_at
         )
         SELECT
@@ -266,10 +266,11 @@ BEGIN
             l.owner_id,
             r.id as renter_id,
             24 as estimated_duration_hours,
-            l.price * 24 as rent_amount,
-            l.price * 24 * 0.95 as owner_rent_amount,
-            l.deposit_amount,
-            l.price * 24 * 0.05 as platform_fee,
+            l.price_cent * 24 as rent_amount_cent,
+            ROUND(l.price_cent * 24 * 0.95) as owner_rent_amount_cent,
+            l.deposit_amount_cent,
+            l.deposit_amount_cent,
+            ROUND(l.price_cent * 24 * 0.05) as platform_fee_cent,
             CASE (seq % 10)
                 WHEN 0 THEN 'pending_payment'
                 WHEN 1 THEN 'cancelled'
@@ -360,16 +361,16 @@ BEGIN
 
     WHILE current_batch < batches DO
         INSERT INTO wallet_ledger (
-            ledger_no, user_id, order_id, direction, amount,
-            balance_after, balance_type, biz_type, biz_no, remark, created_at
+            ledger_no, user_id, order_id, direction, amount_cent,
+            balance_after_cent, balance_type, biz_type, biz_no, remark, created_at
         )
         SELECT
             CONCAT('LDG', DATE_FORMAT(NOW(), '%Y%m%d%H%i%s'), LPAD(seq, 6, '0')) as ledger_no,
             u.id as user_id,
             IF(seq % 2 = 0, o.id, NULL) as order_id,
             CASE WHEN seq % 2 = 0 THEN 'in' ELSE 'out' END as direction,
-            (seq % 500) + (seq * 0.01) as amount,
-            1000.00 + (seq % 1000) as balance_after,
+            ((seq % 500) * 100) + seq as amount_cent,
+            100000 + ((seq % 1000) * 100) as balance_after_cent,
             CASE WHEN seq % 5 = 0 THEN 'frozen' ELSE 'available' END as balance_type,
             CASE (seq % 6)
                 WHEN 0 THEN 'rent_payment'