diff --git a/lib/httpsServerMgr.js b/lib/httpsServerMgr.js
index 9132cb8..f140f94 100644
--- a/lib/httpsServerMgr.js
+++ b/lib/httpsServerMgr.js
@@ -10,7 +10,7 @@ var getPort        = require('./getPort'),
     certMgr        = require("./certMgr"),
     asyncTask      = require("async-task-mgr");
 
-var DEFAULT_RELEASE_TIME = 120*1000;
+var DEFAULT_RELEASE_TIME = 2000;//120*1000;
 
 var asyncTaskMgr = new asyncTask();
 
@@ -41,9 +41,6 @@ module.exports =function(){
         }else{
 
             asyncTaskMgr.addTask(hostname, createServer ,userCB);
-            // ,function(cb){
-            //     createServer(cb);
-            // });
 
             function createServer(cb){
                 async.series([
@@ -87,7 +84,9 @@ module.exports =function(){
             var item = self.serverList[serverName];
             if( (timeNow - item.lastestUse) > DEFAULT_RELEASE_TIME){
                 item.server.close();
+                asyncTaskMgr.removeTask(serverName);
                 delete self.serverList[serverName];
+
                 console.log(color.yellow(color.bold("[internal https]")) + color.yellow("https server released : " + serverName));
             }
         }
diff --git a/package.json b/package.json
index 56e9d9d..9871675 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "anyproxy",
-  "version": "2.8.12",
+  "version": "2.9.0",
   "description": "A fully configurable proxy in NodeJS, which can handle HTTPS requests perfectly.",
   "main": "proxy.js",
   "bin": {
@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "async": "~0.9.0",
-    "async-task-mgr": "^1.0.1",
+    "async-task-mgr": ">=1.1.0",
     "colorful": "^2.1.0",
     "commander": "~2.3.0",
     "entities": "^1.1.1",