diff --git a/internal/service/package/usage_service.go b/internal/service/package/usage_service.go
index 323d7a2..a434ca3 100644
--- a/internal/service/package/usage_service.go
+++ b/internal/service/package/usage_service.go
@@ -470,9 +470,14 @@ func (s *UsageService) recordOverflowToDepletedPackage(ctx context.Context, tx *
 		return nil
 	}
 
+	// 优先选主套餐（master_usage_id IS NULL），主套餐不存在时再退而求其次取加油包
 	var pkg model.PackageUsage
-	if err := query.Order("id DESC").First(&pkg).Error; err != nil {
-		// 找不到 Depleted 套餐，静默忽略
+	err := query.Where("master_usage_id IS NULL").Order("id DESC").First(&pkg).Error
+	if err == gorm.ErrRecordNotFound {
+		err = query.Order("id DESC").First(&pkg).Error
+	}
+	if err != nil {
+		// 找不到任何 Depleted 套餐，静默忽略
 		return nil
 	}