diff --git a/backend/services/mining-service/src/api/controllers/admin.controller.ts b/backend/services/mining-service/src/api/controllers/admin.controller.ts
index 794a6208..2fb1cdfe 100644
--- a/backend/services/mining-service/src/api/controllers/admin.controller.ts
+++ b/backend/services/mining-service/src/api/controllers/admin.controller.ts
@@ -784,11 +784,11 @@ export class AdminController {
   @ApiQuery({ name: 'pageSize', required: false, type: Number })
   async getUserBatchMiningRecords(
     @Param('accountSequence') accountSequence: string,
-    @Query('page') page?: number,
-    @Query('pageSize') pageSize?: number,
+    @Query('page') page?: string,
+    @Query('pageSize') pageSize?: string,
   ) {
-    const pageNum = page ?? 1;
-    const pageSizeNum = pageSize ?? 20;
+    const pageNum = page ? parseInt(page, 10) : 1;
+    const pageSizeNum = pageSize ? parseInt(pageSize, 10) : 20;
     const skip = (pageNum - 1) * pageSizeNum;
 
     const [records, total] = await Promise.all([