后台系统配置列表现在只返回当前真实使用的配置项

backend/internal/jobs/ordertimeout/job.go

@@ -110,7 +110,7 @@ func (j *Job) loadThresholds(ctx context.Context) (thresholds, error) {
 	}
 	for _, row := range rows {
 		value, err := strconv.Atoi(row.Value)
-		if err != nil || value <= 0 {
+		if err != nil || value < 0 {
 			continue
 		}
 		switch row.Key {
@@ -130,6 +130,9 @@ func (j *Job) loadThresholds(ctx context.Context) (thresholds, error) {
 }
 
 func (j *Job) handlePendingPaymentTimeout(ctx context.Context, now time.Time, cfg thresholds) (int, error) {
+	if cfg.PendingPaymentTimeoutMinutes <= 0 {
+		return 0, nil
+	}
 	var rows []model.RentalOrder
 	err := j.db.WithContext(ctx).
 		Where("status = ? AND created_at <= ?", "pending_payment", now.Add(-time.Duration(cfg.PendingPaymentTimeoutMinutes)*time.Minute)).
@@ -189,6 +192,9 @@ func (j *Job) handlePendingPaymentTimeout(ctx context.Context, now time.Time, cf
 }
 
 func (j *Job) handleOwnerSubmitTimeout(ctx context.Context, now time.Time, cfg thresholds) (int, error) {
+	if cfg.OwnerSubmitTimeoutMinutes <= 0 {
+		return 0, nil
+	}
 	var rows []model.RentalOrder
 	err := j.db.WithContext(ctx).
 		Where("status = ? AND handoff_status = ? AND created_at <= ?", "pending_handoff", "pending_owner", now.Add(-time.Duration(cfg.OwnerSubmitTimeoutMinutes)*time.Minute)).
@@ -237,6 +243,9 @@ func (j *Job) handleOwnerSubmitTimeout(ctx context.Context, now time.Time, cfg t
 }
 
 func (j *Job) handleRenterConfirmTimeout(ctx context.Context, now time.Time, cfg thresholds) (int, error) {
+	if cfg.RenterConfirmTimeoutMinutes <= 0 {
+		return 0, nil
+	}
 	var rows []model.RentalOrder
 	err := j.db.WithContext(ctx).
 		Where("status = ? AND handoff_status = ?", "pending_handoff", "pending_renter_confirm").
@@ -345,6 +354,9 @@ func (j *Job) handleReturnOverdue(ctx context.Context, now time.Time, cfg thresh
 }
 
 func (j *Job) handleOwnerReturnConfirmTimeout(ctx context.Context, now time.Time, cfg thresholds) (int, error) {
+	if cfg.OwnerReturnConfirmTimeoutMinutes <= 0 {
+		return 0, nil
+	}
 	var rows []model.RentalOrder
 	err := j.db.WithContext(ctx).
 		Where("status = ? AND handoff_status = ? AND updated_at <= ?", "pending_checkout_confirm", "pending_owner_checkout", now.Add(-time.Duration(cfg.OwnerReturnConfirmTimeoutMinutes)*time.Minute)).

backend/internal/modules/order/repository.go

@@ -20,7 +20,7 @@ import (
 )
 
 type Repository struct {
-	db      *gorm.DB
+	db       *gorm.DB
 	chatRepo *chat.Repository
 }
 
@@ -195,7 +195,7 @@ func (r *Repository) Pay(userID uint64, orderID uint64) error {
 			return ErrOrderCannotPay
 		}
 		timeoutMinutes := pendingPaymentTimeoutMinutes(tx)
-		if order.CreatedAt.Before(time.Now().Add(-time.Duration(timeoutMinutes) * time.Minute)) {
+		if timeoutMinutes > 0 && order.CreatedAt.Before(time.Now().Add(-time.Duration(timeoutMinutes)*time.Minute)) {
 			return ErrOrderCannotPay
 		}
 
@@ -1029,7 +1029,7 @@ func pendingPaymentTimeoutMinutes(tx *gorm.DB) int {
 		return defaultPendingPaymentTimeoutMinutes
 	}
 	value, err := strconv.Atoi(row.Value)
-	if err != nil || value <= 0 {
+	if err != nil || value < 0 {
 		return defaultPendingPaymentTimeoutMinutes
 	}
 	return value

backend/internal/modules/systemconfig/repository.go

@@ -33,21 +33,30 @@ var defaultConfigs = []defaultConfig{
 	{Key: "handoff.owner_return_confirm_timeout_minutes", Value: "120", Description: "号主待确认结账超时分钟数"},
 	{Key: "order.pending_payment_timeout_minutes", Value: "15", Description: "订单待支付超时取消分钟数"},
 	{Key: "order.return_overdue_grace_minutes", Value: "10", Description: "预计截止后结账宽限分钟数"},
-	{Key: "deposit.min_amount", Value: "50", Description: "发布租号最低押金"},
 	{Key: "listing.review_required", Value: "false", Description: "发布账号是否需要后台人工审核"},
-	{Key: "risk.sms_limit_per_phone_hour", Value: "5", Description: "单手机号每小时短信验证码次数"},
-	{Key: "risk.sms_limit_per_ip_hour", Value: "20", Description: "单 IP 每小时短信验证码次数"},
-	{Key: "realname.required_for_order", Value: "false", Description: "下单是否必须完成实名认证"},
-	{Key: "settlement.platform_fee_rate", Value: "0.00", Description: "平台抽成比例"},
-	{Key: "settlement.owner_cycle_days", Value: "0", Description: "号主结算周期天数"},
-	{Key: "withdraw.min_amount", Value: "100", Description: "提现最低金额预留"},
 	{Key: "chat.default_support_admin_id", Value: "1", Description: "订单群聊回退客服 ID（仅当无可用客服时使用）"},
+	{Key: "chat.auto_welcome_message", Value: "欢迎加入订单群聊！如有任何问题，请随时沟通。", Description: "建群后自动发送的欢迎话术"},
 	{Key: homeAnnouncementsConfigKey, Value: defaultHomeAnnouncementsConfigValue(), Description: "移动端首页公告 JSON 数组"},
 	{Key: homeBannersConfigKey, Value: defaultHomeBannersConfigValue(), Description: "移动端首页轮播图 JSON 数组"},
 	{Key: publishOptionsConfigKey, Value: defaultPublishOptionsConfigValue(), Description: "发布页选项配置 JSON"},
 	{Key: salePriceConfigKey, Value: defaultSalePriceConfigValue(), Description: "内部出售定价规则 JSON"},
 }
 
+var adminVisibleConfigKeys = []string{
+	"chat.auto_welcome_message",
+	"chat.default_support_admin_id",
+	"handoff.owner_return_confirm_timeout_minutes",
+	"handoff.owner_submit_timeout_minutes",
+	"handoff.renter_confirm_timeout_minutes",
+	"listing.publish_options",
+	"listing.review_required",
+	"listing.sale_price_config",
+	"mobile.home_announcements",
+	"mobile.home_banners",
+	"order.pending_payment_timeout_minutes",
+	"order.return_overdue_grace_minutes",
+}
+
 func NewRepository(db *gorm.DB) *Repository {
 	return &Repository{db: db}
 }
@@ -57,7 +66,7 @@ func (r *Repository) List() ([]ConfigDTO, error) {
 		return nil, err
 	}
 	var rows []model.SystemConfig
-	if err := r.db.Order("`key` ASC").Find(&rows).Error; err != nil {
+	if err := r.db.Where("`key` IN ?", adminVisibleConfigKeys).Order("`key` ASC").Find(&rows).Error; err != nil {
 		return nil, err
 	}
 	items := make([]ConfigDTO, 0, len(rows))