diff --git a/src/dev/app.vue b/src/dev/app.vue
index d580db406..e6328b71a 100644
--- a/src/dev/app.vue
+++ b/src/dev/app.vue
@@ -32,7 +32,6 @@
                           :language="d_language" @change="change" @save="saveone" :ishljs="true" class="item-editor" v-model="help1"
                           :autofocus="autofocus"
                           :shortCut="true"
-                          :externalLink="external_link"
                           @imgAdd="$imgAdd" @imgDel="$imgDel" @subfieldtoggle="$subfieldtoggle" @previewtoggle="$previewtoggle"
                           :imageFilter="image_filter"
                           :boxShadow="true"
@@ -82,8 +81,6 @@
 <script type="text/ecmascript-6">
     // import {CONFIG} from './assets/config.js'
     import {CONFIG} from '../lib/config.js'
-    import axios from 'axios'
-    import {mavonEditor} from '../index'
     export default {
         name: 'app',
         data () {
@@ -114,26 +111,6 @@
                 editable: true,
                 toolbarsFlag: true,
                 img_file: {},
-                external_link: {
-                    markdown_css: function() {
-                        return '/markdown/github-markdown.min.css';
-                    },
-                    hljs_js: function() {
-                        return '/highlightjs/highlight.min.js';
-                    },
-                    hljs_css: function(css) {
-                        return '/highlightjs/styles/' + css + '.min.css';
-                    },
-                    hljs_lang: function(lang) {
-                        return '/highlightjs/languages/' + lang + '.min.js';
-                    },
-                    katex_css: function() {
-                        return '/katex/katex.min.css';
-                    },
-                    katex_js: function() {
-                        return '/katex/katex.min.js';
-                    }
-                },
                 toolbar_settings: {
                     undo: true, // 上一步
                     redo: true, // 下一步
diff --git a/webpack/webpack.build.js.bak b/webpack/webpack.build.js.bak
deleted file mode 100644
index 90810540f..000000000
--- a/webpack/webpack.build.js.bak
+++ /dev/null
@@ -1,157 +0,0 @@
-/**
- * @Author: HuaChao Chen <CHC>
- * @Date:   2017-05-04T23:21:48+08:00
- * @Email:  chenhuachaoxyz@gmail.com
- * @Filename: webpack.dev.js
- * @Last modified by:   CHC
- * @Last modified time: 2017-05-06T22:00:16+08:00
- * @License: MIT
- * @Copyright: 2017
- */
-
-var path = require('path');
-var webpack = require('webpack');
-var HtmlWebpackPlugin = require('html-webpack-plugin');
-var ExtractTextPlugin = require('extract-text-webpack-plugin');
-var WebpackMd5Hash = require('webpack-md5-hash');
-// 该插件是对“webpack-md5-hash”的改进：在主文件中获取到各异步模块的hash值，然后将这些hash值与主文件的代码内容一同作为计算hash的参数，这样就能保证主文件的hash值会跟随异步模块的修改而修改。
-// var WebpackSplitHash = require('webpack-split-hash');
-// 压缩css
-var OptimizeCssAssetsPlugin = require('optimize-css-assets-webpack-plugin');
-
-const extractCSS = new ExtractTextPlugin('css/[name].css');
-
-module.exports = {
-    entry: {
-        index: path.resolve(__dirname, '../src/index.js')
-    },
-    output: {
-        path: path.resolve(__dirname, '../dist'),
-        // publicPath: '/dist/',
-        filename: 'mavon-editor.js',
-        library: 'mavon-editor',
-        libraryTarget: 'umd',
-        umdNamedDefine: true
-    },
-    externals: {
-        vue: {
-            root: 'Vue',
-            commonjs: 'vue',
-            commonjs2: 'vue',
-            amd: 'vue'
-        }
-    },
-    module: {
-        rules: [{
-                test: /\.vue$/,
-                loader: 'vue-loader'
-            },
-            {
-                test: /\.js$/,
-                loader: 'babel-loader',
-                exclude: /node_modules/
-            },
-            {
-                test: /\.(png|jpg|gif)$/,
-                loader: 'file-loader',
-                options: { name: '[name].[ext]?[hash]' }
-            },
-            { test: /\.(woff|ttf|eot|svg)/, loader: 'file-loader?name=font/[name].[ext]&publicPath=../' },
-            {
-                // css代码分割打包
-                test: /\.css$/,
-                // exclude: /node_modules/,
-                use: extractCSS.extract({
-                    fallback: 'style-loader',
-                    use: [
-                        'css-loader',
-                        {
-                            loader: 'postcss-loader',
-                            options: {
-                                plugins: function() {
-                                    return [
-                                        // 允许在子中定义要放在最顶层的样式
-                                        require('postcss-atroot')({}),
-                                        // 允许定义样式函数
-                                        require('postcss-mixins')({}),
-                                        // import插件
-                                        require('postcss-nested-import')({}),
-                                        // 类sass-import插件，但是没法嵌套导入
-                                        // require('postcss-partial-import')({}),
-                                        // 嵌套解析插件
-                                        require('postcss-nested')({}),
-                                        // 可以通过引用方式引用父/其他样式的属性值
-                                        require('postcss-nesting')({}),
-                                        // 允许自定义选择器别名
-                                        require('postcss-custom-selectors')({}),
-                                        // 可自定义属性块别名，后面可扩充
-                                        require('postcss-extend')({}),
-                                        // 允许类sass的变量定义，for和each语法
-                                        require('postcss-advanced-variables')({}),
-                                        // 支持颜色函数color
-                                        require('postcss-color-function')({}),
-                                        // 支持media的变量定义
-                                        require('postcss-custom-media')({}),
-                                        // 支持属性自定义
-                                        require('postcss-custom-properties')({}),
-                                        // 支持media的最大最小值定义 可以通过类似@media screen and (width >= 500px) and (width <= 1200px){}来书写
-                                        require('postcss-media-minmax')({}),
-                                        // 支持通过@引用本属性块的属性
-                                        require('postcss-property-lookup')({}),
-                                        // maches函数，p:matches(:first-child, .special)解析为p:first-child, p.special
-                                        require('postcss-selector-matches')({}),
-                                        // 支持not解析，p:not(:first-child, .special)解析为p:not(:first-child), p:not(.special)
-                                        require('postcss-selector-not')({})
-                                    ];
-                                }
-                            }
-                        }
-                    ]
-                })
-            },{
-                test: /\.styl$/,
-                loader: 'style-loader!css-loader!stylus-loader'
-            },{
-                test: /\.md$/,
-                loader: 'raw-loader'
-            }
-        ]
-    },
-    resolve: {
-        alias: {
-            'vue$': 'vue/dist/vue.esm.js'
-        }
-    },
-    devServer: {
-        historyApiFallback: true,
-        disableHostCheck: true,
-        host: '0.0.0.0',
-        port: '9090'
-        // hot: true,
-        // noInfo: true
-    },
-    performance: {
-        hints: false
-    },
-    plugins: [
-        // new webpack.HotModuleReplacementPlugin(),
-        // new ExtractTextPlugin("css/[name].[contenthash:8].css"),
-        extractCSS,
-        // 分离js可能引入的css的chunkhash计算
-        new WebpackMd5Hash(),
-        // 对css文件进行压缩
-        new OptimizeCssAssetsPlugin({
-            assetNameRegExp: /\.css$/g,
-            cssProcessor: require('cssnano'),
-            cssProcessorOptions: { discardComments: { removeAll: true } },
-            canPrint: true
-        }),
-        new webpack.optimize.UglifyJsPlugin({
-            compress: {
-                warnings: false
-            }
-        })
-        // new WebpackSplitHash(),
-        // new ExtractTextPlugin({ filename: 'bundle.css', disable: false, allChunks: true }),
-    ]
-}
diff --git a/webpack/webpack.dev.js.bak b/webpack/webpack.dev.js.bak
deleted file mode 100644
index f6eca515e..000000000
--- a/webpack/webpack.dev.js.bak
+++ /dev/null
@@ -1,156 +0,0 @@
-/**
- * @Author: HuaChao Chen <CHC>
- * @Date:   2017-05-04T23:21:48+08:00
- * @Email:  chenhuachaoxyz@gmail.com
- * @Filename: webpack.dev.js
- * @Last modified by:   CHC
- * @Last modified time: 2017-05-06T22:00:44+08:00
- * @License: MIT
- * @Copyright: 2017
- */
-
-var path = require('path');
-var webpack = require('webpack');
-var HtmlWebpackPlugin = require('html-webpack-plugin');
-var ExtractTextPlugin = require('extract-text-webpack-plugin');
-var WebpackMd5Hash = require('webpack-md5-hash');
-// 该插件是对“webpack-md5-hash”的改进：在主文件中获取到各异步模块的hash值，然后将这些hash值与主文件的代码内容一同作为计算hash的参数，这样就能保证主文件的hash值会跟随异步模块的修改而修改。
-// var WebpackSplitHash = require('webpack-split-hash');
-// 压缩css
-var OptimizeCssAssetsPlugin = require('optimize-css-assets-webpack-plugin');
-
-const extractCSS = new ExtractTextPlugin('css/[name].[contenthash:8].css');
-
-module.exports = {
-    entry: {
-        index: './src/dev/index.js',
-        vue: ['vue']
-    },
-    output: {
-        path: path.resolve(__dirname, './dist'),
-        // publicPath: '/dist/',
-        filename: 'js/[name].[chunkhash:8].js',
-        chunkFilename: 'js/[name].[chunkhash:8].js'
-    },
-    module: {
-        rules: [{
-                test: /\.vue$/,
-                loader: 'vue-loader'
-            },
-            {
-                test: /\.js$/,
-                loader: 'babel-loader',
-                exclude: /node_modules/
-            },
-            {
-                test: /\.(png|jpg|gif)$/,
-                loader: 'file-loader',
-                options: { name: '[name].[ext]?[hash]' }
-            },
-            { test: /\.(woff|ttf|eot|svg)/, loader: 'file-loader?name=font/[name].[hash:8].[ext]&publicPath=../' },
-            {
-                // css代码分割打包
-                test: /\.css$/,
-                // exclude: /node_modules/,
-                use: extractCSS.extract({
-                    fallback: 'style-loader',
-                    use: [
-                        'css-loader',
-                        {
-                            loader: 'postcss-loader',
-                            options: {
-                                plugins: function() {
-                                    return [
-                                        // 允许在子中定义要放在最顶层的样式
-                                        require('postcss-atroot')({}),
-                                        // 允许定义样式函数
-                                        require('postcss-mixins')({}),
-                                        // import插件
-                                        require('postcss-nested-import')({}),
-                                        // 类sass-import插件，但是没法嵌套导入
-                                        // require('postcss-partial-import')({}),
-                                        // 嵌套解析插件
-                                        require('postcss-nested')({}),
-                                        // 可以通过引用方式引用父/其他样式的属性值
-                                        require('postcss-nesting')({}),
-                                        // 允许自定义选择器别名
-                                        require('postcss-custom-selectors')({}),
-                                        // 可自定义属性块别名，后面可扩充
-                                        require('postcss-extend')({}),
-                                        // 允许类sass的变量定义，for和each语法
-                                        require('postcss-advanced-variables')({}),
-                                        // 支持颜色函数color
-                                        require('postcss-color-function')({}),
-                                        // 支持media的变量定义
-                                        require('postcss-custom-media')({}),
-                                        // 支持属性自定义
-                                        require('postcss-custom-properties')({}),
-                                        // 支持media的最大最小值定义 可以通过类似@media screen and (width >= 500px) and (width <= 1200px){}来书写
-                                        require('postcss-media-minmax')({}),
-                                        // 支持通过@引用本属性块的属性
-                                        require('postcss-property-lookup')({}),
-                                        // maches函数，p:matches(:first-child, .special)解析为p:first-child, p.special
-                                        require('postcss-selector-matches')({}),
-                                        // 支持not解析，p:not(:first-child, .special)解析为p:not(:first-child), p:not(.special)
-                                        require('postcss-selector-not')({})
-                                    ];
-                                }
-                            }
-                        }
-                    ]
-                })
-            },{
-                test: /\.styl$/,
-                loader: 'style-loader!css-loader!stylus-loader'
-            },{
-                test: /\.md$/,
-                loader: 'raw-loader'
-            }
-        ]
-    },
-    resolve: {
-        alias: {
-            'vue$': 'vue/dist/vue.esm.js'
-        }
-    },
-    devServer: {
-        historyApiFallback: true,
-        disableHostCheck: true,
-        host: '0.0.0.0',
-        port: '9090'
-        // hot: true,
-        // noInfo: true
-    },
-    performance: {
-        hints: false
-    },
-    plugins: [
-        new webpack.optimize.CommonsChunkPlugin({
-            names: ['vue', 'common'],
-            filename: 'js/[name].[chunkhash:8].js',
-            minChunks: Infinity
-        }),
-        new HtmlWebpackPlugin({
-            filename: 'index.html',
-            template: 'src/dev/index.html',
-            inject: true,
-            hash: false,
-            chunks: ['common', 'vue', 'index']
-        }),
-        // new webpack.HotModuleReplacementPlugin(),
-        // new ExtractTextPlugin("css/[name].[contenthash:8].css"),
-        extractCSS,
-        // 分离js可能引入的css的chunkhash计算
-        new WebpackMd5Hash(),
-        // 对css文件进行压缩
-        new OptimizeCssAssetsPlugin({
-            assetNameRegExp: /\.css$/g,
-            cssProcessor: require('cssnano'),
-            cssProcessorOptions: { discardComments: { removeAll: true } },
-            canPrint: true
-        })
-        // new WebpackSplitHash(),
-        // new ExtractTextPlugin({ filename: 'bundle.css', disable: false, allChunks: true }),
-    ],
-    devtool: '#eval-source-map'
-}