diff --git a/index.js b/index.js
index b11f7f3..9da0130 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,5 @@
 const ws = require('ws')
 const { randomBytes } = require('crypto')
-const sleep = (ms) => new Promise((resolve, reject) => setTimeout(resolve, ms))
 
 // 建议把 onopen, onerror, onclose, onmessage 保留给系统使用，例如reconnecting。用户使用 on(event, listener)
 
@@ -119,6 +118,7 @@ const DAD = (module.exports = class RpcSocket extends ws {
 // })()
 
 /*
+const sleep = (ms) => new Promise((resolve, reject) => setTimeout(resolve, ms))
 //RpcSocket=require('./Ling/RpcSocket.js'); 
 server = new RpcSocket.Server({port:6000}); 
 var serverSocket; server.on('connection', (socket)=>{console.log('socket coming');