diff --git a/backend/services/mining-admin-service/src/api/controllers/manual-mining.controller.ts b/backend/services/mining-admin-service/src/api/controllers/manual-mining.controller.ts
index d677c8b0..44cd5374 100644
--- a/backend/services/mining-admin-service/src/api/controllers/manual-mining.controller.ts
+++ b/backend/services/mining-admin-service/src/api/controllers/manual-mining.controller.ts
@@ -99,7 +99,7 @@ export class ManualMiningController {
     @Query('page') page?: number,
     @Query('pageSize') pageSize?: number,
   ) {
-    return this.manualMiningService.getRecords(page ?? 1, pageSize ?? 20);
+    return this.manualMiningService.getRecords(Number(page) || 1, Number(pageSize) || 20);
   }
 
   @Get('records/:accountSequence')