feat: 补充文档

src/we-chat/controller/we-chat.controller.ts

@@ -1,6 +1,8 @@
-import { Controller, Param, Post } from '@nestjs/common';
+import { Controller, HttpStatus, Param, Post } from '@nestjs/common';
 import { NoAuth } from '../../core/decorators/no-auth.decorator';
 import { MiniProgramService } from '../service/mini-program.service';
+import { ApiResponse } from '@nestjs/swagger';
+import { TokenVo } from '../../core/vo/token.vo';
 
 @Controller('we-chat')
 export class WeChatController {
@@ -8,6 +10,11 @@ export class WeChatController {
 
   @Post('/tokens/:code')
   @NoAuth()
+  @ApiResponse({
+    status: HttpStatus.OK,
+    description: 'Token',
+    type: TokenVo,
+  })
   async createTokenByCode(@Param('code') code: string) {
     return this.miniProgramService.createTokenByCode(code);
   }