diff --git a/apps/backend/src/oss/oss.controller.ts b/apps/backend/src/oss/oss.controller.ts
index cee3148..27023f3 100644
--- a/apps/backend/src/oss/oss.controller.ts
+++ b/apps/backend/src/oss/oss.controller.ts
@@ -1,6 +1,7 @@
-import { Controller, Get, Request, UseGuards } from '@nestjs/common';
+import { Controller, Get, UseGuards } from '@nestjs/common';
 import { OssService } from './oss.service';
 import { AuthGuard } from 'src/auth/guards/auth.guard';
+import { AuthUser, CurrentUser } from 'src/auth/decorator/current-user.decorator';
 
 @Controller('oss')
 export class OssController {
@@ -8,8 +9,8 @@ export class OssController {
 
   @UseGuards(AuthGuard)
   @Get('sts')
-  async getStsToken(@Request() req) {
-    const { userId } = req.user;
+  async getStsToken(@CurrentUser() user: AuthUser) {
+    const { userId } = user;
     return {
       ...(await this.ossService.getStsToken(`${userId}`)),
       userId,