fix bug of query wx workflow

src/service/wechatwork.service.ts

@@ -293,7 +293,7 @@ export class WechatWorkService {
     let response = await axios.request(config).then(response => {
       return response.data
     })
-    this.timePre = starttime
+    this.timePre = endtime
     await new RedisClient().set('qywx_time_cache', starttime + '')
     return response
   }