remove request keep alive

@@ -14,10 +14,6 @@ const yohoLib = require('yoho-node-lib');
 // 全局注册library
 yohoLib.global(config);
 
-const EventEmitter = require('events');
-
-EventEmitter.defaultMaxListeners = 100;
-
 const express = require('express');
 const compression = require('compression');
 const path = require('path');

@@ -53,7 +53,7 @@
     "request-ip": "^1.2.2",
     "serve-favicon": "^2.3.0",
     "uuid": "^2.0.2",
-    "yoho-node-lib": "0.1.28",
+    "yoho-node-lib": "0.1.29",
     "yoho-zookeeper": "^1.0.3"
   },
   "devDependencies": {