diff --git a/Gruntfile.coffee b/Gruntfile.coffee
deleted file mode 100644
index 3e66422..0000000
--- a/Gruntfile.coffee
+++ /dev/null
@@ -1,68 +0,0 @@
-module.exports = (grunt) ->
-    grunt.loadNpmTasks 'grunt-concurrent'
-    grunt.loadNpmTasks 'grunt-nodemon' 
-    grunt.loadNpmTasks 'grunt-contrib-watch'
-    grunt.loadNpmTasks 'grunt-contrib-uglify'
-    grunt.loadNpmTasks 'grunt-contrib-jshint'
-    grunt.initConfig(
-        pkg: grunt.file.readJSON 'package.json' 
-        uglify:
-            app_task: 
-                options: 
-                    beautify: false
-                    mangle: true #不混淆变量名
-                    compress:false #打开或关闭使用默认选项源压缩。
-                files:
-                    'build/websocket.min.js': [
-                        'lib/websocket.js'
-                    ]
-                    'test/websocket.min.js': [
-                        'lib/websocket.js'
-                    ]
-            # app_task_test: 
-            #     options: 
-            #         beautify: true
-            #         mangle: false #不混淆变量名
-            #         # compress:false #打开或关闭使用默认选项源压缩。
-            #         compress: false
-            #     files:
-            #         'test/websocket.min.js': [
-            #             'lib/websocket.js'
-            #         ]
-        jshint: 
-            options:
-                eqeqeq: true
-                trailing: true 
-            files: ['lib/websocket.js']
-        watch: 
-            another: 
-                files: ['lib/*.js']
-                tasks: ['jshint','uglify']
-                options: 
-                    livereload: true
-        nodemon: 
-            dev: 
-                script: 'sever.js'
-                options: 
-                    args: ['dev']
-                    nodeArgs: ['--debug']
-                    callback: (nodemon) ->
-                        nodemon.on 'log', (event) ->
-                            console.log(event.colour)
-                    env: 
-                        PORT: '8181'
-                    cwd: __dirname
-                    ignore: ['node_modules/**','bower_components/**']
-                    debug:true
-                    ext: 'js,coffee,html'
-                    watch: ['*','test/*']
-                    delay: 1
-                    legacyWatch: true
-        concurrent: 
-            target: 
-                tasks: ['nodemon','watch']
-                options: 
-                    logConcurrentOutput: true
-    )
-    grunt.option('force',true)
-    grunt.registerTask 'default', ['concurrent:target']
diff --git a/Gruntfile.js b/Gruntfile.js
index 14babdb..49f5519 100755
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -37,10 +37,10 @@ module.exports = function (grunt) {
     },
     nodemon: {
       dev: {
-        script: 'sever.js',
+        script: 'server.js',
         options: {
           args: ['dev'],
-          nodeArgs: ['--inspect'],
+          // nodeArgs: ['--inspect'],
           callback: function (nodemon) {
             return nodemon.on('log', function (event) {
               return console.log(event.colour);
diff --git a/package.json b/package.json
index 5e21f39..44bed76 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "websocket APIs simple package",
   "main": "lib/websocket.js",
   "scripts": {
-    "start": "grunt --inspect"
+    "start": "grunt"
   },
   "repository": {
     "type": "git",