fix(distribution): 修复收号站订单详情权限、专属支付通道路由、大盘统计与仲裁积分隔离

- 修复 FindOrder 在收号站模式(two_party_distributor_receive / three_party)下的 403 权限判定，放行参与方站点成员并精准计算收益
- 串联 distribution_site_payment_channels 至 payment.Start 核心支付发起流程，分销订单优先使用绑定的专属商户通道
- 修复数据大盘 GetDashboardAnalytics 趋势中 ReceivedCount 恒为 0 的问题，并对齐今日订单与 GMV 统计
- 修复 dispute/arbitration.go 仲裁完成时向分销租客发放成长积分的泄漏风险
- 提现管理新增 distribution_site_name/distribution_site_code 字段并在后台列表与详情弹窗中区分展示分销站
- GetPublicSiteInfo 增加 X-Distribution-Site-Code 请求头兜底支持

backend/internal/modules/dispute/arbitration.go

@@ -124,8 +124,10 @@ func (r *Repository) Arbitrate(ctx context.Context, adminID uint64, id uint64, r
 					return err
 				}
 			}
-			if err := rentergrowth.AwardOrderCompleted(tx, &order, actualSettlement.PureCoinAmountCent, rentergrowth.SourceOrderCompleted); err != nil {
+			if order.DistributionSiteID == nil || *order.DistributionSiteID == 0 {
-				return err
+				if err := rentergrowth.AwardOrderCompleted(tx, &order, actualSettlement.PureCoinAmountCent, rentergrowth.SourceOrderCompleted); err != nil {
+					return err
+				}
 			}
 		}
 		if err := tx.Save(&order).Error; err != nil {

backend/internal/modules/dispute/arbitration_deposit_hold_distribution_test.go

@@ -141,4 +141,10 @@ func TestArbitrationDistributionRefundUsesActualRefundWithDepositHold(t *testing
 		t.Fatalf("分销快照 net_paid_amount_cent = %d, want %d（毛收入 %d − 实际租金退款 %d）",
 			snapshot.NetPaidAmountCent, wantNetPaid, order.RentAmountCent, wantRentRefundCent)
 	}
+
+	var growthLogsCount int64
+	db.Model(&model.RenterGrowthLedger{}).Where("order_id = ?", order.ID).Count(&growthLogsCount)
+	if growthLogsCount != 0 {
+		t.Fatalf("分销订单仲裁不应发放用户成长积分，但产生了 %d 条记录", growthLogsCount)
+	}
 }

backend/internal/modules/distribution/auth_onboard_test.go

@@ -2,12 +2,15 @@ package distribution
 
 import (
 	"context"
+	"net/http"
+	"net/http/httptest"
 	"testing"
 
+	"github.com/gin-gonic/gin"
+	"golang.org/x/crypto/bcrypt"
+
 	"hfb_sys/backend/internal/model"
 	"hfb_sys/backend/internal/modules/auth"
-
-	"golang.org/x/crypto/bcrypt"
 )
 
 func TestOnboardSiteAndLoginFlow(t *testing.T) {
@@ -176,3 +179,32 @@ func TestOnboardSiteAndLoginFlow(t *testing.T) {
 		t.Fatalf("unexpected profile: %#v", profile)
 	}
 }
+
+func TestGetPublicSiteInfoHeaderFallback(t *testing.T) {
+	db := distributionTestDB(t)
+	repo := NewRepository(db)
+	svc := NewService(repo, nil)
+	handler := NewHandler(svc)
+
+	site := model.DistributionSite{
+		SiteCode: "header_site",
+		SiteName: "头部测试站",
+		Domain:   "header.example.com",
+		Status:   "active",
+	}
+	if err := db.Create(&site).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	gin.SetMode(gin.TestMode)
+	w := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(w)
+	req, _ := http.NewRequest("GET", "/api/v1/distribution/public/site-info", nil)
+	req.Header.Set("X-Distribution-Site-Code", "header_site")
+	c.Request = req
+
+	handler.GetPublicSiteInfo(c)
+	if w.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d, body: %s", w.Code, w.Body.String())
+	}
+}

backend/internal/modules/distribution/handler.go

@@ -308,6 +308,9 @@ func (h *Handler) GetPublicSiteInfo(c *gin.Context) {
 	if code == "" {
 		code = strings.TrimSpace(c.Query("site_code"))
 	}
+	if code == "" {
+		code = strings.TrimSpace(c.GetHeader("X-Distribution-Site-Code"))
+	}
 	domain := strings.TrimSpace(c.Query("domain"))
 	if code == "" && domain == "" {
 		host := c.Request.Host

backend/internal/modules/distribution/repository.go

@@ -662,40 +662,101 @@ func (r *Repository) FindOrder(ctx context.Context, adminID, id uint64) (*Distri
 	if item.OrderID == 0 {
 		return nil, ErrOrderNotFound
 	}
-	if err := r.ensureSiteAccess(ctx, adminID, item.SiteID); err != nil {
+	var parties []model.DistributionOrderParty
+	if err := r.db.WithContext(ctx).Where("order_id = ?", item.OrderID).Find(&parties).Error; err != nil {
 		return nil, err
 	}
-	var parties []model.DistributionOrderParty
+	var siteSet map[uint64]struct{}
-	if err := r.db.WithContext(ctx).Where("order_id = ? AND (site_id = ? OR party_id = ?)", item.OrderID, item.SiteID, item.SiteID).Find(&parties).Error; err == nil {
+	if adminID != 0 {
-		var totalEarning int64
+		global, err := r.hasGlobalDistributionAccessWithDB(ctx, r.db, adminID)
-		var markupCent int64
+		if err != nil {
-		var splitCent int64
+			return nil, err
-		var roles []string
+		}
-		for _, p := range parties {
+		if !global {
-			if p.PartyType != PartyTypeSite {
+			var adminSiteIDs []uint64
-				continue
+			if err := r.db.WithContext(ctx).Model(&model.DistributionSiteMember{}).
+				Where("admin_user_id = ? AND status = 'active'", adminID).
+				Pluck("site_id", &adminSiteIDs).Error; err != nil {
+				return nil, err
 			}
-			totalEarning += p.IncomeAmountCent
+			siteSet = make(map[uint64]struct{}, len(adminSiteIDs))
-			if p.PartyRole == "distributor_sell" || p.PartyRole == "distributor_b" {
+			for _, sid := range adminSiteIDs {
-				roles = append(roles, "sell")
+				siteSet[sid] = struct{}{}
-				// 退款压缩加价后收入可能小于货架加价：加价部分取两者较小值，
+			}
-				// 避免展示负的提价分成。
+			hasAccess := false
-				markup := item.ShelfMarkupCent
+			if item.SiteID > 0 {
-				if p.IncomeAmountCent < markup {
+				if _, ok := siteSet[item.SiteID]; ok {
-					markup = p.IncomeAmountCent
+					hasAccess = true
 				}
-				markupCent += markup
+			}
-				splitCent += p.IncomeAmountCent - markup
+			if !hasAccess {
-			} else if p.PartyRole == "distributor_receive" || p.PartyRole == "distributor_a" {
+				for _, p := range parties {
-				roles = append(roles, "receive")
+					if p.PartyType == PartyTypeSite {
-				splitCent += p.IncomeAmountCent
+						if p.SiteID > 0 {
+							if _, ok := siteSet[p.SiteID]; ok {
+								hasAccess = true
+								break
+							}
+						}
+						if p.PartyID > 0 {
+							if _, ok := siteSet[p.PartyID]; ok {
+								hasAccess = true
+								break
+							}
+						}
+					}
+				}
+			}
+			if !hasAccess {
+				return nil, ErrSiteAccessDenied
 			}
 		}
-		item.DistributorEarningCent = totalEarning
-		item.DistributorMarkupCent = markupCent
-		item.DistributorSplitCent = splitCent
-		item.DistributorRole = strings.Join(roles, ",")
 	}
+
+	var totalEarning int64
+	var markupCent int64
+	var splitCent int64
+	var roles []string
+	for _, p := range parties {
+		if p.PartyType != PartyTypeSite {
+			continue
+		}
+		if len(siteSet) > 0 {
+			match := false
+			if p.SiteID > 0 {
+				if _, ok := siteSet[p.SiteID]; ok {
+					match = true
+				}
+			}
+			if p.PartyID > 0 {
+				if _, ok := siteSet[p.PartyID]; ok {
+					match = true
+				}
+			}
+			if !match {
+				continue
+			}
+		}
+		totalEarning += p.IncomeAmountCent
+		if p.PartyRole == "distributor_sell" || p.PartyRole == "distributor_b" {
+			roles = append(roles, "sell")
+			// 退款压缩加价后收入可能小于货架加价：加价部分取两者较小值，
+			// 避免展示负的提价分成。
+			markup := item.ShelfMarkupCent
+			if p.IncomeAmountCent < markup {
+				markup = p.IncomeAmountCent
+			}
+			markupCent += markup
+			splitCent += p.IncomeAmountCent - markup
+		} else if p.PartyRole == "distributor_receive" || p.PartyRole == "distributor_a" {
+			roles = append(roles, "receive")
+			splitCent += p.IncomeAmountCent
+		}
+	}
+	item.DistributorEarningCent = totalEarning
+	item.DistributorMarkupCent = markupCent
+	item.DistributorSplitCent = splitCent
+	item.DistributorRole = strings.Join(roles, ",")
 	return &item, nil
 }
 
@@ -2350,13 +2411,14 @@ func (r *Repository) GetDashboardAnalytics(ctx context.Context, adminID, siteID
 		Where("distribution_site_id = ? AND status = 'published' AND review_status = 'approved'", siteID).Count(&activeListings).Error
 
 	var todayOrders int64
-	_ = r.db.WithContext(ctx).Model(&model.RentalOrder{}).
+	_ = r.db.WithContext(ctx).Table("rental_orders ro").
-		Where("distribution_site_id = ? AND created_at >= ?", siteID, todayStr+" 00:00:00").Count(&todayOrders).Error
+		Where("(ro.distribution_site_id = ? OR EXISTS (SELECT 1 FROM distribution_order_parties p WHERE p.order_id = ro.id AND (p.site_id = ? OR p.party_id = ?))) AND ro.created_at >= ?", siteID, siteID, siteID, todayStr+" 00:00:00").
+		Count(&todayOrders).Error
 
 	var todayGMV int64
 	_ = r.db.WithContext(ctx).Table("rental_orders ro").
 		Joins("JOIN distribution_order_financials f ON f.order_id = ro.id").
-		Where("ro.distribution_site_id = ? AND ro.created_at >= ?", siteID, todayStr+" 00:00:00").
+		Where("(ro.distribution_site_id = ? OR EXISTS (SELECT 1 FROM distribution_order_parties p WHERE p.order_id = ro.id AND (p.site_id = ? OR p.party_id = ?))) AND ro.created_at >= ?", siteID, siteID, siteID, todayStr+" 00:00:00").
 		Select("COALESCE(SUM(f.gross_paid_amount_cent), 0)").Scan(&todayGMV).Error
 
 	var todayProfit int64
@@ -2374,11 +2436,9 @@ func (r *Repository) GetDashboardAnalytics(ctx context.Context, adminID, siteID
 
 	trendDays := make([]DistributionTrendPoint, 0, 7)
 	type trendRow struct {
-		DateStr  string `gorm:"column:date_str"`
+		DateStr string `gorm:"column:date_str"`
-		Received int64  `gorm:"column:received"`
+		Orders  int64  `gorm:"column:orders"`
-		Orders   int64  `gorm:"column:orders"`
+		GMV     int64  `gorm:"column:gmv"`
-		GMV      int64  `gorm:"column:gmv"`
-		Profit   int64  `gorm:"column:profit"`
 	}
 	var tRows []trendRow
 	startDate := time.Now().AddDate(0, 0, -6).Format("2006-01-02")
@@ -2393,6 +2453,22 @@ func (r *Repository) GetDashboardAnalytics(ctx context.Context, adminID, siteID
 		Order("date_str ASC").
 		Scan(&tRows).Error
 
+	type receivedRow struct {
+		DateStr  string `gorm:"column:date_str"`
+		Received int64  `gorm:"column:received"`
+	}
+	var rRows []receivedRow
+	dateFormatListingExpr := "DATE_FORMAT(created_at, '%Y-%m-%d')"
+	_ = r.db.WithContext(ctx).Model(&model.RentalListing{}).
+		Where("distribution_site_id = ? AND created_at >= ?", siteID, startDate+" 00:00:00").
+		Select(fmt.Sprintf("%s AS date_str, COUNT(id) AS received", dateFormatListingExpr)).
+		Group(dateFormatListingExpr).
+		Scan(&rRows).Error
+	rRowMap := make(map[string]int64, len(rRows))
+	for _, rr := range rRows {
+		rRowMap[rr.DateStr] = rr.Received
+	}
+
 	type profitRow struct {
 		DateStr string `gorm:"column:date_str"`
 		Profit  int64  `gorm:"column:profit"`
@@ -2417,7 +2493,7 @@ func (r *Repository) GetDashboardAnalytics(ctx context.Context, adminID, siteID
 		tr := tRowMap[dStr]
 		trendDays = append(trendDays, DistributionTrendPoint{
 			Date:          dStr,
-			ReceivedCount: tr.Received,
+			ReceivedCount: rRowMap[dStr],
 			OrderCount:    tr.Orders,
 			GMVCent:       tr.GMV,
 			ProfitCent:    pRowMap[dStr],

backend/internal/modules/distribution/repository_test.go

@@ -74,6 +74,31 @@ func TestDistributionOrderSnapshotAndQueries(t *testing.T) {
 	if _, err := repo.FindOrder(t.Context(), 0, order.ID); err != nil {
 		t.Fatal(err)
 	}
+
+	// 验证分销站成员管理员可查看本站参与的订单
+	adminUser := model.AdminUser{Username: "dist_admin", Status: "active"}
+	if err := db.Create(&adminUser).Error; err != nil {
+		t.Fatal(err)
+	}
+	if err := db.Create(&model.DistributionSiteMember{SiteID: site.ID, AdminUserID: adminUser.ID, MemberType: "site_operator", Status: "active"}).Error; err != nil {
+		t.Fatal(err)
+	}
+	detail, err := repo.FindOrder(t.Context(), adminUser.ID, order.ID)
+	if err != nil {
+		t.Fatalf("FindOrder by site member failed: %v", err)
+	}
+	if detail.DistributorEarningCent != 1000 || detail.DistributorRole != "receive" {
+		t.Fatalf("unexpected detail for site member: %+v", detail)
+	}
+
+	// 验证未关联站点的管理员无法查看
+	otherAdmin := model.AdminUser{Username: "other_admin", Status: "active"}
+	if err := db.Create(&otherAdmin).Error; err != nil {
+		t.Fatal(err)
+	}
+	if _, err := repo.FindOrder(t.Context(), otherAdmin.ID, order.ID); err != ErrSiteAccessDenied {
+		t.Fatalf("expected ErrSiteAccessDenied, got: %v", err)
+	}
 }
 
 func TestDistributionPaymentChannelAndSettlementBatch(t *testing.T) {
@@ -862,6 +887,9 @@ func TestDistributionReceivedListingsAndWallet(t *testing.T) {
 	if analytics.TotalReceivedCount != 1 || analytics.AvailableBalanceCent != 2500 {
 		t.Fatalf("unexpected analytics: %+v", analytics)
 	}
+	if len(analytics.TrendDays) == 0 || analytics.TrendDays[len(analytics.TrendDays)-1].ReceivedCount != 1 {
+		t.Fatalf("expected trend today ReceivedCount=1, got: %+v", analytics.TrendDays)
+	}
 }
 
 func TestPlatformSellSettlementCreditsOnlySiteShare(t *testing.T) {

backend/internal/modules/payment/payment_start.go

@@ -16,11 +16,7 @@ import (
 // Start 发起订单支付，并按请求支付方式选择对应默认渠道配置。
 func (r *Repository) Start(ctx context.Context, userID uint64, orderID uint64, req StartPaymentRequest, clientIP string) (*PaymentDTO, error) {
 	req.PayWay = normalizePayWay(req.PayWay)
-	defaultConfig, err := r.defaultRuntimeConfig(ctx, req.PayWay)
+	payment, orderRow, err := r.preparePayment(ctx, userID, orderID, req)
-	if err != nil {
-		return nil, ErrPaymentUnavailable
-	}
-	payment, orderRow, err := r.preparePayment(ctx, userID, orderID, req, *defaultConfig)
 	if err != nil {
 		return nil, err
 	}
@@ -122,7 +118,7 @@ func (r *Repository) Start(ctx context.Context, userID uint64, orderID uint64, r
 }
 
 // preparePayment 创建或复用订单支付单，并写入本次命中的支付配置 ID。
-func (r *Repository) preparePayment(ctx context.Context, userID uint64, orderID uint64, req StartPaymentRequest, runtimeConfig runtimePaymentConfig) (*model.PaymentOrder, *model.RentalOrder, error) {
+func (r *Repository) preparePayment(ctx context.Context, userID uint64, orderID uint64, req StartPaymentRequest) (*model.PaymentOrder, *model.RentalOrder, error) {
 	var paymentID uint64
 	var orderRow model.RentalOrder
 	err := r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
@@ -139,13 +135,17 @@ func (r *Repository) preparePayment(ctx context.Context, userID uint64, orderID
 		if amountCent <= 0 {
 			return ErrPaymentCannotStart
 		}
+		runtimeConfig, err := r.resolveOrderRuntimeConfig(ctx, tx, row.DistributionSiteID, req.PayWay)
+		if err != nil {
+			return err
+		}
 		var existing model.PaymentOrder
-		err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).
+		err = tx.Clauses(clause.Locking{Strength: "UPDATE"}).
 			Where("order_id = ? AND biz_type = ?", row.ID, "order_pay").
 			Order("id DESC").
 			First(&existing).Error
 		if err == nil {
-			if canReuseOrderPayment(existing, runtimeConfig) {
+			if canReuseOrderPayment(existing, *runtimeConfig) {
 				existing.PayWay = firstNonEmpty(req.PayWay, existing.PayWay, runtimeConfig.PayWay, "ZFBZF")
 				existing.JSPayFlag = firstNonEmpty(req.JSPayFlag, existing.JSPayFlag, runtimeConfig.JSPayFlag, "2")
 				existing.AmountCent = amountCent
@@ -165,7 +165,7 @@ func (r *Repository) preparePayment(ctx context.Context, userID uint64, orderID
 		} else if err != gorm.ErrRecordNotFound {
 			return err
 		}
-		payment, err := newOrderPayment(row, amountCent, req, runtimeConfig)
+		payment, err := newOrderPayment(row, amountCent, req, *runtimeConfig)
 		if err != nil {
 			return err
 		}

backend/internal/modules/payment/repository.go

@@ -161,6 +161,30 @@ func (c runtimePaymentConfig) isMockMode() bool {
 	return c.Provider == "mock"
 }
 
+// resolveOrderRuntimeConfig 根据订单所属分销站点配置或全局默认配置解析运行时支付配置。
+func (r *Repository) resolveOrderRuntimeConfig(ctx context.Context, tx *gorm.DB, siteID *uint64, payWay string) (*runtimePaymentConfig, error) {
+	if siteID != nil && *siteID > 0 {
+		var configID uint64
+		queryDB := tx
+		if queryDB == nil {
+			queryDB = r.db
+		}
+		err := queryDB.WithContext(ctx).Table("distribution_site_payment_channels dspc").
+			Joins("JOIN payment_merchant_configs pmc ON pmc.id = dspc.config_id").
+			Where("dspc.site_id = ? AND dspc.status = 'active' AND pmc.status = 'active' AND (pmc.pay_way = ? OR pmc.pay_way = '')", *siteID, payWay).
+			Order("dspc.priority ASC, dspc.id ASC").
+			Limit(1).
+			Pluck("pmc.id", &configID).Error
+		if err == nil && configID > 0 && r.configRepo != nil {
+			dto, err := r.configRepo.FindRuntimeByID(ctx, configID, true)
+			if err == nil {
+				return runtimeConfigFromDTO(dto), nil
+			}
+		}
+	}
+	return r.defaultRuntimeConfig(ctx, payWay)
+}
+
 // defaultRuntimeConfig 按支付方式获取默认启用配置，用于新支付单创建。
 func (r *Repository) defaultRuntimeConfig(ctx context.Context, payWay string) (*runtimePaymentConfig, error) {
 	if r.configRepo == nil {

backend/internal/modules/payment/repository_integration_test.go

@@ -12,6 +12,7 @@ import (
 	"hfb_sys/backend/internal/database"
 	"hfb_sys/backend/internal/model"
 	ordermodule "hfb_sys/backend/internal/modules/order"
+	"hfb_sys/backend/internal/modules/paymentconfig"
 	"hfb_sys/backend/internal/modules/rentergrowth"
 
 	"gorm.io/gorm"
@@ -824,3 +825,106 @@ func TestApplyChannelStatusKeepsTerminalPayment(t *testing.T) {
 		t.Fatalf("status = %q, want closed", latest.Status)
 	}
 }
+
+func TestStartPaymentRoutesToDistributionSitePaymentChannel(t *testing.T) {
+	db := setupPaymentTestDB(t)
+	if err := db.AutoMigrate(
+		&model.DistributionSite{},
+		&model.DistributionSitePaymentChannel{},
+		&model.PaymentMerchantConfig{},
+	); err != nil {
+		t.Fatalf("migrate distribution payment schema failed: %v", err)
+	}
+
+	configRepo := paymentconfig.NewRepository(db, &paymentconfig.MockEncryptor{})
+	orderRepo := ordermodule.NewRepository(db)
+	repo := NewRepository(db, configRepo, orderRepo)
+
+	defaultConfig := model.PaymentMerchantConfig{
+		Name:        "平台默认微信",
+		Provider:    "mock",
+		MerchantID:  "PLATFORM_MOCK",
+		PayWay:      "WX",
+		IsDefault:   true,
+		Status:      "active",
+		Environment: "sandbox",
+	}
+	if err := db.Create(&defaultConfig).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	siteConfig := model.PaymentMerchantConfig{
+		Name:        "分销站专属微信",
+		Provider:    "mock",
+		MerchantID:  "SITE_MOCK_01",
+		PayWay:      "WX",
+		IsDefault:   false,
+		Status:      "active",
+		Environment: "sandbox",
+	}
+	if err := db.Create(&siteConfig).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	site := model.DistributionSite{SiteCode: "pay_site", SiteName: "支付分站", Domain: "pay.example.com", Status: "active"}
+	if err := db.Create(&site).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	channel := model.DistributionSitePaymentChannel{
+		SiteID:   site.ID,
+		ConfigID: siteConfig.ID,
+		Priority: 1,
+		Status:   "active",
+	}
+	if err := db.Create(&channel).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	// Order A: Belongs to distribution site
+	fixA := createPayableOrderFixture(t, db, "siteA", false)
+	fixA.Order.DistributionSiteID = &site.ID
+	if err := db.Save(&fixA.Order).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	// Order B: Normal platform order
+	fixB := createPayableOrderFixture(t, db, "siteB", false)
+	fixB.Order.DistributionSiteID = nil
+	if err := db.Save(&fixB.Order).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	// Start payment for Order A -> should route to siteConfig
+	dtoA, err := repo.Start(t.Context(), fixA.Renter.ID, fixA.Order.ID, StartPaymentRequest{PayWay: "WX"}, "127.0.0.1")
+	if err != nil {
+		t.Fatalf("Start Order A failed: %v", err)
+	}
+	if dtoA.PaymentConfigID != siteConfig.ID {
+		t.Fatalf("Order A expected PaymentConfigID=%d, got %d", siteConfig.ID, dtoA.PaymentConfigID)
+	}
+	var savedA model.PaymentOrder
+	if err := db.First(&savedA, dtoA.ID).Error; err != nil {
+		t.Fatalf("find saved payment A failed: %v", err)
+	}
+	if savedA.MerchantID != siteConfig.MerchantID {
+		t.Fatalf("Order A expected MerchantID=%s, got %s", siteConfig.MerchantID, savedA.MerchantID)
+	}
+
+	// Start payment for Order B -> should route to defaultConfig
+	dtoB, err := repo.Start(t.Context(), fixB.Renter.ID, fixB.Order.ID, StartPaymentRequest{PayWay: "WX"}, "127.0.0.1")
+	if err != nil {
+		t.Fatalf("Start Order B failed: %v", err)
+	}
+	if dtoB.PaymentConfigID != defaultConfig.ID {
+		t.Fatalf("Order B expected PaymentConfigID=%d, got %d", defaultConfig.ID, dtoB.PaymentConfigID)
+	}
+	var savedB model.PaymentOrder
+	if err := db.First(&savedB, dtoB.ID).Error; err != nil {
+		t.Fatalf("find saved payment B failed: %v", err)
+	}
+	if savedB.MerchantID != defaultConfig.MerchantID {
+		t.Fatalf("Order B expected MerchantID=%s, got %s", defaultConfig.MerchantID, savedB.MerchantID)
+	}
+}
+

backend/internal/modules/withdrawal/dto.go

@@ -27,34 +27,36 @@ type WithdrawalDTO struct {
 
 // 管理员端详细 DTO
 type WithdrawalDetailDTO struct {
-	ID                 uint64     `json:"id"`
+	ID                   uint64     `json:"id"`
-	WithdrawNo         string     `json:"withdraw_no"`
+	WithdrawNo           string     `json:"withdraw_no"`
-	UserID             uint64     `json:"user_id"`
+	UserID               uint64     `json:"user_id"`
-	DistributionSiteID uint64     `json:"distribution_site_id"`
+	DistributionSiteID   uint64     `json:"distribution_site_id"`
-	UserNickname       string     `json:"user_nickname"`
+	DistributionSiteName string     `json:"distribution_site_name"`
-	UserPhone          string     `json:"user_phone"`
+	DistributionSiteCode string     `json:"distribution_site_code"`
-	AmountCent         int64      `json:"amount_cent"`
+	UserNickname         string     `json:"user_nickname"`
-	FeeCent            int64      `json:"fee_cent"`
+	UserPhone            string     `json:"user_phone"`
-	ActualAmountCent   int64      `json:"actual_amount_cent"`
+	AmountCent           int64      `json:"amount_cent"`
-	PaymentAccountID   *uint64    `json:"payment_account_id"`
+	FeeCent              int64      `json:"fee_cent"`
-	AccountType        string     `json:"account_type"`
+	ActualAmountCent     int64      `json:"actual_amount_cent"`
-	AccountName        string     `json:"account_name"`
+	PaymentAccountID     *uint64    `json:"payment_account_id"`
-	AccountNo          string     `json:"account_no"` // 管理员可见完整账号
+	AccountType          string     `json:"account_type"`
-	BankName           string     `json:"bank_name"`
+	AccountName          string     `json:"account_name"`
-	BankBranch         string     `json:"bank_branch"`
+	AccountNo            string     `json:"account_no"` // 管理员可见完整账号
-	CertificateURLs    []string   `json:"certificate_urls"` // 收款二维码图片
+	BankName             string     `json:"bank_name"`
-	Status             string     `json:"status"`
+	BankBranch           string     `json:"bank_branch"`
-	ReviewedBy         *uint64    `json:"reviewed_by"`
+	CertificateURLs      []string   `json:"certificate_urls"` // 收款二维码图片
-	ReviewedByName     string     `json:"reviewed_by_name"`
+	Status               string     `json:"status"`
-	ReviewedAt         *time.Time `json:"reviewed_at"`
+	ReviewedBy           *uint64    `json:"reviewed_by"`
-	ReviewRemark       string     `json:"review_remark"`
+	ReviewedByName       string     `json:"reviewed_by_name"`
-	PaidBy             *uint64    `json:"paid_by"`
+	ReviewedAt           *time.Time `json:"reviewed_at"`
-	PaidByName         string     `json:"paid_by_name"`
+	ReviewRemark         string     `json:"review_remark"`
-	PaidAt             *time.Time `json:"paid_at"`
+	PaidBy               *uint64    `json:"paid_by"`
-	PaymentProofURL    string     `json:"payment_proof_url"`
+	PaidByName           string     `json:"paid_by_name"`
-	PaymentRemark      string     `json:"payment_remark"`
+	PaidAt               *time.Time `json:"paid_at"`
-	CreatedAt          time.Time  `json:"created_at"`
+	PaymentProofURL      string     `json:"payment_proof_url"`
-	UpdatedAt          time.Time  `json:"updated_at"`
+	PaymentRemark        string     `json:"payment_remark"`
+	CreatedAt            time.Time  `json:"created_at"`
+	UpdatedAt            time.Time  `json:"updated_at"`
 }
 
 type CreateWithdrawalRequest struct {

backend/internal/modules/withdrawal/presenter.go

@@ -75,12 +75,23 @@ func (r *Repository) toDetailDTO(ctx context.Context, w model.WithdrawalRequest)
 		}
 	}
 
+	var siteName, siteCode string
+	if w.DistributionSiteID > 0 {
+		var site model.DistributionSite
+		if err := db.Select("site_name, site_code").First(&site, w.DistributionSiteID).Error; err == nil {
+			siteName = site.SiteName
+			siteCode = site.SiteCode
+		}
+	}
+
 	return &WithdrawalDetailDTO{
-		ID:                 w.ID,
+		ID:                   w.ID,
-		WithdrawNo:         w.WithdrawNo,
+		WithdrawNo:           w.WithdrawNo,
-		UserID:             w.UserID,
+		UserID:               w.UserID,
-		DistributionSiteID: w.DistributionSiteID,
+		DistributionSiteID:   w.DistributionSiteID,
-		UserNickname:       user.Nickname,
+		DistributionSiteName: siteName,
+		DistributionSiteCode: siteCode,
+		UserNickname:         user.Nickname,
 		UserPhone:          user.Phone,
 		AmountCent:         w.AmountCent,
 		FeeCent:            w.FeeCent,

backend/internal/modules/withdrawal/repository_integration_test.go

@@ -168,3 +168,33 @@ func TestWithdrawalCreateRollsBackWhenBalanceIsInsufficient(t *testing.T) {
 	}
 	f.assertBalance(t, 100_000, 0)
 }
+
+func TestWithdrawalDetailIncludesDistributionSiteInfo(t *testing.T) {
+	f := newWithdrawalFixture(t)
+	if err := f.db.AutoMigrate(&model.DistributionSite{}); err != nil {
+		t.Fatal(err)
+	}
+	site := model.DistributionSite{SiteCode: "sub_site", SiteName: "分销子站", Domain: "sub.example.com", Status: "active"}
+	if err := f.db.Create(&site).Error; err != nil {
+		t.Fatal(err)
+	}
+	wReq := model.WithdrawalRequest{
+		WithdrawNo:         "WD2026TESTSITE",
+		UserID:             f.userID,
+		DistributionSiteID: site.ID,
+		AmountCent:         5000,
+		ActualAmountCent:   5000,
+		Status:             "pending",
+	}
+	if err := f.db.Create(&wReq).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	detail, err := f.repo.AdminFindByID(context.Background(), wReq.ID)
+	if err != nil {
+		t.Fatalf("AdminFindByID failed: %v", err)
+	}
+	if detail.DistributionSiteID != site.ID || detail.DistributionSiteName != "分销子站" || detail.DistributionSiteCode != "sub_site" {
+		t.Fatalf("unexpected detail site info: %+v", detail)
+	}
+}

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

@@ -7,6 +7,9 @@ export interface WithdrawalDetail {
   id: number
   withdraw_no: string
   user_id: number
+  distribution_site_id?: number
+  distribution_site_name?: string
+  distribution_site_code?: string
   user_nickname: string
   user_phone: string
   amount_cent: number

frontend/src/features/admin/components/WithdrawalDetailDialog.vue

@@ -148,9 +148,20 @@ function accountTypeLabel(type: string) {
     <div v-if="withdrawal" class="withdrawal-detail">
       <!-- 基本信息 -->
       <el-descriptions :column="2" border>
-        <el-descriptions-item label="提现单号" :span="2">
+        <el-descriptions-item label="提现单号">
           {{ withdrawal.withdraw_no }}
         </el-descriptions-item>
+        <el-descriptions-item label="所属站点">
+          <el-tag v-if="withdrawal.distribution_site_id" type="warning" size="small">
+            {{
+              withdrawal.distribution_site_name || `分销站点 #${withdrawal.distribution_site_id}`
+            }}
+            <template v-if="withdrawal.distribution_site_code">
+              ({{ withdrawal.distribution_site_code }})</template
+            >
+          </el-tag>
+          <el-tag v-else type="info" size="small">主站</el-tag>
+        </el-descriptions-item>
         <el-descriptions-item label="状态">
           <el-tag :type="statusType(withdrawal.status)">
             {{ statusLabel(withdrawal.status) }}

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

@@ -372,7 +372,18 @@ function money(cent: number | undefined | null) {
             <template #default="{ row }">
               <div class="withdraw-no-cell">
                 <span class="mono-code">{{ row.withdraw_no }}</span>
-                <small class="id-tag">#ID: {{ row.id }}</small>
+                <div style="display: flex; align-items: center; gap: 6px">
+                  <small class="id-tag">#ID: {{ row.id }}</small>
+                  <el-tag
+                    v-if="row.distribution_site_id"
+                    size="small"
+                    type="warning"
+                    effect="light"
+                  >
+                    {{ row.distribution_site_name || `分站 #${row.distribution_site_id}` }}
+                  </el-tag>
+                  <el-tag v-else size="small" type="info" effect="plain"> 主站 </el-tag>
+                </div>
               </div>
             </template>
           </el-table-column>