gulp 整理

@@ -228,8 +228,10 @@ gulp.task('webpack-dev-server', () => {
     devConfig.output.publicPath = 'http://localhost:5001/';
 
     // 开发环境插件
-    devConfig.plugins[0] = new ExtractTextPlugin('bundle/[name].css');
-    devConfig.plugins.push(new webpack.HotModuleReplacementPlugin());
+    devConfig.plugins.push(
+        new ExtractTextPlugin('bundle/[name].css'),
+        new webpack.HotModuleReplacementPlugin()
+    );
 
     devConfig.entry.libs.unshift(`webpack-dev-server/client?${devConfig.output.publicPath}`, 'webpack/hot/dev-server');
 
@@ -281,13 +283,16 @@ gulp.task('webpack', ['assets'], (done) => {
     proConfig.output.path = dist.js;
 
     // 生产环境插件
-    proConfig.plugins.push(new webpack.DefinePlugin({
+    proConfig.plugins.push(
+        new webpack.DefinePlugin({
             'process.env': {
                 NODE_ENV: '"production"'
             }
-    }), new UglifyJsParallelPlugin({
+        }),
+        new UglifyJsParallelPlugin({
             workers: os.cpus().length
-    }));
+        })
+    );
 
     webpack(proConfig, (err, stats) => {
         if (err) {