xuj
```js Promise.retry = function(fn,max = 3){ let count = 0; return new Promise((resolve,reject)=>{ function handler(){ fn().then((res)=>{ resolve(res) }).catch((err)=>{ count++; if(count >= max){ reject(err) }else{ handler() } }) } handler() })...
@snapre 分组名称在node重启后会变成groupId，如图所示  
@dermyhughes I ran into the same problem, did you solve it