diff --git a/internal/routes/polling_cleanup.go b/internal/routes/polling_cleanup.go
index 89db4e6..3a503bb 100644
--- a/internal/routes/polling_cleanup.go
+++ b/internal/routes/polling_cleanup.go
@@ -55,8 +55,7 @@ func registerPollingCleanupRoutes(router fiber.Router, handler *admin.PollingCle
 	})
 
 	// 清理日志
-	logsPath := basePath + "/data-cleanup-logs"
-	Register(router, doc, logsPath, "GET", "/data-cleanup-logs", handler.ListLogs, RouteSpec{
+	Register(router, doc, basePath, "GET", "/data-cleanup-logs", handler.ListLogs, RouteSpec{
 		Summary: "获取数据清理日志列表",
 		Tags:    []string{"轮询管理-数据清理"},
 		Input:   new(dto.ListDataCleanupLogReq),
@@ -65,8 +64,7 @@ func registerPollingCleanupRoutes(router fiber.Router, handler *admin.PollingCle
 	})
 
 	// 清理操作
-	cleanupPath := basePath + "/data-cleanup"
-	Register(router, doc, cleanupPath+"/preview", "GET", "/data-cleanup/preview", handler.Preview, RouteSpec{
+	Register(router, doc, basePath, "GET", "/data-cleanup/preview", handler.Preview, RouteSpec{
 		Summary: "预览待清理数据",
 		Tags:    []string{"轮询管理-数据清理"},
 		Input:   nil,
@@ -74,7 +72,7 @@ func registerPollingCleanupRoutes(router fiber.Router, handler *admin.PollingCle
 		Auth:    true,
 	})
 
-	Register(router, doc, cleanupPath+"/progress", "GET", "/data-cleanup/progress", handler.GetProgress, RouteSpec{
+	Register(router, doc, basePath, "GET", "/data-cleanup/progress", handler.GetProgress, RouteSpec{
 		Summary: "获取数据清理进度",
 		Tags:    []string{"轮询管理-数据清理"},
 		Input:   nil,
@@ -82,7 +80,7 @@ func registerPollingCleanupRoutes(router fiber.Router, handler *admin.PollingCle
 		Auth:    true,
 	})
 
-	Register(router, doc, cleanupPath+"/trigger", "POST", "/data-cleanup/trigger", handler.TriggerCleanup, RouteSpec{
+	Register(router, doc, basePath, "POST", "/data-cleanup/trigger", handler.TriggerCleanup, RouteSpec{
 		Summary: "手动触发数据清理",
 		Tags:    []string{"轮询管理-数据清理"},
 		Input:   new(dto.TriggerDataCleanupReq),
diff --git a/internal/store/postgres/polling_cleanup_store.go b/internal/store/postgres/polling_cleanup_store.go
index 1c6c735..521554a 100644
--- a/internal/store/postgres/polling_cleanup_store.go
+++ b/internal/store/postgres/polling_cleanup_store.go
@@ -193,12 +193,11 @@ func (s *DataCleanupLogStore) CountOldRecords(ctx context.Context, tableName str
 			return 0, err
 		}
 	default:
-		// 对于其他表，使用原始 SQL
-		row := s.db.WithContext(ctx).Raw(
+		// 对于其他表，使用原始 SQL（使用 GORM 的 Scan 避免 Row() 返回 nil 导致 panic）
+		if err := s.db.WithContext(ctx).Raw(
 			"SELECT COUNT(*) FROM "+tableName+" WHERE created_at < ?",
 			cutoffTime,
-		).Row()
-		if err := row.Scan(&count); err != nil {
+		).Scan(&count).Error; err != nil {
 			return 0, err
 		}
 	}