diff --git a/backend/internal/modules/pickup/repository.go b/backend/internal/modules/pickup/repository.go
index 4ee045a..2552ebd 100644
--- a/backend/internal/modules/pickup/repository.go
+++ b/backend/internal/modules/pickup/repository.go
@@ -492,7 +492,7 @@ func (r *Repository) CreateFinancialAdjustment(ctx context.Context, pickupID uin
 			ActorType: "admin",
 			ActorID:   adminID,
 			Action:    "pickup_financial_adjustment_create",
-			BizType:   "admin_pickup_financial_adjustment",
+			BizType:   "admin_pickup",
 			BizID:     &bid,
 			Meta:      meta,
 			Detail: map[string]any{
@@ -564,7 +564,7 @@ func (r *Repository) SettleFinancialAdjustment(ctx context.Context, adjustmentID
 			ActorType: "admin",
 			ActorID:   adminID,
 			Action:    "pickup_financial_adjustment_settle",
-			BizType:   "admin_pickup_financial_adjustment",
+			BizType:   "admin_pickup",
 			BizID:     &bid,
 			Meta:      meta,
 			Detail: map[string]any{
diff --git a/backend/internal/modules/pickup/repository_test.go b/backend/internal/modules/pickup/repository_test.go
index 589ebb1..1f1a5a2 100644
--- a/backend/internal/modules/pickup/repository_test.go
+++ b/backend/internal/modules/pickup/repository_test.go
@@ -469,6 +469,13 @@ func TestRepositoryFinancialAdjustmentUsesRecoveryForInternalReduction(t *testin
 	if adjustment.Status != FinancialAdjustmentStatusRecovery || adjustment.SettleDeltaCent != -2000 {
 		t.Fatalf("追回调整 = %+v", adjustment)
 	}
+	var audit model.AuditLog
+	if err := db.Where("action = ?", "pickup_financial_adjustment_create").First(&audit).Error; err != nil {
+		t.Fatalf("查询财务调整审计日志失败: %v", err)
+	}
+	if audit.BizType != "admin_pickup" {
+		t.Fatalf("财务调整审计业务类型 = %q, want admin_pickup", audit.BizType)
+	}
 	var ledgerCount int64
 	if err := db.Model(&model.WalletLedger{}).Where("biz_type = ?", "admin_pickup_adjustment").Count(&ledgerCount).Error; err != nil {
 		t.Fatalf("统计补款流水失败: %v", err)
@@ -512,6 +519,13 @@ func TestRepositoryFinancialAdjustmentSettlesPlatformManagedPickupSeparately(t *
 	if adjustments[0].Status != FinancialAdjustmentStatusPending {
 		t.Fatalf("代管补款状态 = %q, want pending", adjustments[0].Status)
 	}
+	var createAudit model.AuditLog
+	if err := db.Where("action = ?", "pickup_financial_adjustment_create").First(&createAudit).Error; err != nil {
+		t.Fatalf("查询创建财务调整审计日志失败: %v", err)
+	}
+	if createAudit.BizType != "admin_pickup" {
+		t.Fatalf("创建财务调整审计业务类型 = %q, want admin_pickup", createAudit.BizType)
+	}
 	if err := repo.SettleFinancialAdjustment(t.Context(), adjustments[0].ID, FinancialAdjustmentSettlementRequest{Remark: "已补款"}, 102, auditlog.Meta{}); err != nil {
 		t.Fatalf("SettleFinancialAdjustment() error = %v", err)
 	}
@@ -519,6 +533,13 @@ func TestRepositoryFinancialAdjustmentSettlesPlatformManagedPickupSeparately(t *
 	if err != nil || adjustments[0].Status != FinancialAdjustmentStatusSettled || adjustments[0].SettledBy == nil || *adjustments[0].SettledBy != 102 {
 		t.Fatalf("确认后的调整流水 = %+v, %v", adjustments, err)
 	}
+	var settleAudit model.AuditLog
+	if err := db.Where("action = ?", "pickup_financial_adjustment_settle").First(&settleAudit).Error; err != nil {
+		t.Fatalf("查询确认财务调整审计日志失败: %v", err)
+	}
+	if settleAudit.BizType != "admin_pickup" {
+		t.Fatalf("确认财务调整审计业务类型 = %q, want admin_pickup", settleAudit.BizType)
+	}
 }
 
 func TestRepositoryOfflineSettlementProcessesPendingPickupAdjustments(t *testing.T) {