diff --git a/examples/upload.html b/examples/upload.html
index 3d8fd50c..8f2fe6bf 100644
--- a/examples/upload.html
+++ b/examples/upload.html
@@ -97,23 +97,23 @@ layui.use(['upload', 'element'], function(){
   var element = layui.element;
 
   var uploadInst = upload.render({
-    elem: '#test1'
-    ,url: 'https://httpbin.org/post'
-    //,size: 2000 //限制文件大小，单位 KB
-    //,accept: 'file'
-    ,method: 'get'
-    ,fileAccept: 'image/*'
-    ,exts: 'jpg|png|gif|bmp|jpeg|pdf'
-    ,data: { //额外参数
-      a: 1
-      ,b: function(){
+    elem: '#test1',
+    url: 'https://httpbin.org/post',
+    // size: 2000, //限制文件大小，单位 KB
+    // accept: 'file',
+    method: 'get',
+    fileAccept: 'image/*',
+    exts: 'jpg|png|gif|bmp|jpeg|pdf',
+    data: { // 额外参数
+      a: 1,
+      b: function(){
         return 2
       }
-    }
-    ,choose: function(obj){
+    },
+    choose: function(obj){
       console.log('choose', obj);
-    }
-    ,before: function(obj){
+    },
+    before: function(obj){
       //预读本地文件示例，不支持ie8
       obj.preview(function(index, file, result){
         $('#demo1').attr('src', result); //图片链接（base64）
@@ -122,8 +122,8 @@ layui.use(['upload', 'element'], function(){
       return;
       layer.msg('不允许上传')
       return false;
-    }
-    ,done: function(res, index){
+    },
+    done: function(res, index){
     
       //如果上传失败
       if(res.code > 0){
@@ -131,8 +131,8 @@ layui.use(['upload', 'element'], function(){
       }
       //上传成功
       console.log(res, index);
-    }
-    ,error: function(index, upload){
+    },
+    error: function(index, upload){
       this.item.html('重选上传');
       
       //演示失败状态，并实现重传
@@ -143,43 +143,43 @@ layui.use(['upload', 'element'], function(){
       });
       
       element.progress('demo', '0%');
-    }
-    ,progress: function(n, elem, res, index){
+    },
+    progress: function(n, elem, res, index){
       console.log(n + '%', elem, res, index); //获取进度百分比
       element.progress('demo', n + '%'); //可配合 layui 进度条元素使用
     }
   });
   
-  //重置上述 upload 实例
+  // 重置上述 upload 实例
   uploadInst.reload({
-    name:'avatar'
-    ,accept: 'images' //只允许上传图片
-    ,acceptMime: 'image/*' //只筛选图片
+    name:'avatar',
+    accept: 'images', // 只允许上传图片
+    acceptMime: 'image/*', // 只筛选图片
     //,size: 2
   });
   
   // 演示多图片上传
   upload.render({
-    elem: '#test2'
-    ,url: 'https://httpbin.org/post'
-    ,multiple: true // 多文件
-    ,unified: true // 一起上传 ---  2.8.8+
-    ,accept: 'images'
-    ,number: 3 //同时上传的数量
-    ,size: 1024
-    ,before: function(obj){
-      //预读本地文件示例，不支持ie8
+    elem: '#test2',
+    url: 'https://httpbin.org/post',
+    multiple: true, // 多文件
+    unified: true, // 一起上传 ---  2.8.8+
+    accept: 'images',
+    number: 3, // 同时上传的数量
+    size: 1024,
+    before: function(obj){
+      // 预读本地文件示例，不支持ie8
       obj.preview(function(index, file, result){
         $('#demo2').append('<img src="'+ result +'" alt="'+ file.name +'" class="layui-upload-img">')
       });
 
       // this.files = obj.pushFile();
-    }
-    ,done: function(res, index){
+    },
+    done: function(res, index){
       // 上传完毕
       console.log(res, index)
-    }
-    ,allDone: function(obj){
+    },
+    allDone: function(obj){
       console.log(obj)
     }
   });
@@ -187,16 +187,16 @@ layui.use(['upload', 'element'], function(){
   // 演示多文件列表 ---  本示例仅演示未开启 unified 属性的情况
   var demoListView = $('#demoList');
   var uploadListIns = upload.render({
-    elem: '#testList'
-    ,url: 'https://httpbin.org/post'
-    ,accept: 'file'
-    ,multiple: true
-    ,number: 3
-    ,auto: false
-    ,bindAction: '#testListAction'
-    ,size: 30
-    ,choose: function(obj){   
-      var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
+    elem: '#testList',
+    url: 'https://httpbin.org/post',
+    accept: 'file',
+    multiple: true,
+    number: 3,
+    auto: false,
+    bindAction: '#testListAction',
+    size: 30,
+    choose: function(obj){   
+      var files = this.files = obj.pushFile(); // 将每次选择的文件追加到文件队列
       //读取本地文件
       obj.preview(function(index, file, result){        
         var tr = $(['<tr id="upload-'+ index +'">'
@@ -227,8 +227,8 @@ layui.use(['upload', 'element'], function(){
         
         element.render('progress');
       });
-    }
-    ,done: function(res, index, upload){
+    },
+    done: function(res, index, upload){
       //if(res.code == 0){ //上传成功
         var tr = demoListView.find('tr#upload-'+ index)
         ,tds = tr.children();
@@ -237,16 +237,16 @@ layui.use(['upload', 'element'], function(){
         return;
       //}
       this.error(index, upload);
-    }
-    ,allDone: function(obj){
+    },
+    allDone: function(obj){
       console.log(obj)
-    }
-    ,error: function(index, upload){
+    },
+    error: function(index, upload){
       var tr = demoListView.find('tr#upload-'+ index)
       ,tds = tr.children();
       tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
-    }
-    ,progress: function(n, elem, e, index){
+    },
+    progress: function(n, elem, e, index){
       console.log(n);
       console.log(index);
       element.progress('progress-'+ index, n + '%'); //进度条
@@ -255,20 +255,20 @@ layui.use(['upload', 'element'], function(){
   
 
   upload.render({
-    elem: '.test333'
-    ,url: 'a'
-    ,accept: 'file'
-    ,before: function(obj){
+    elem: '.test333',
+    url: 'a',
+    accept: 'file',
+    before: function(obj){
       console.log(this.item);
-    }
-    ,done: function(res){
+    },
+    done: function(res){
       console.log(res)
     }
   });
   
   upload.render({
-    elem: '.testm'
-    ,done: function(res, index, upload){
+    elem: '.testm',
+    done: function(res, index, upload){
       //获取当前触发上传的元素，一般用于 elem 绑定 class 的情况，注意：此乃 layui 2.1.0 新增
       var item = this.item;
     }
@@ -276,28 +276,28 @@ layui.use(['upload', 'element'], function(){
   
   /*
   upload.render({
-    elem: '#test33'
-    ,url: ''
-    ,accept: 'file'
-    ,done: function(res){
+    elem: '#test33',
+    url: '',
+    accept: 'file',
+    done: function(res){
       console.log(res)
     }
   });*/
   
   upload.render({
-    elem: '#test4'
-    ,url: ''
-    ,accept: 'video'
-    ,done: function(res){
+    elem: '#test4',
+    url: '',
+    accept: 'video',
+    done: function(res){
       console.log(res)
     }
   });
   
   upload.render({
-    elem: '#test5'
-    ,url: ''
-    ,accept: 'audio'
-    ,done: function(res){
+    elem: '#test5',
+    url: '',
+    accept: 'audio',
+    done: function(res){
       console.log(res)
     }
   });
@@ -305,39 +305,39 @@ layui.use(['upload', 'element'], function(){
   
   //手动上传
   upload.render({
-    elem: '#test6'
-    ,url: ''
-    ,auto: false
-    //,multiple: true
-    ,bindAction: '#test7'
-    ,choose: function(obj){   
+    elem: '#test6',
+    url: '',
+    auto: false,
+    // multiple: true,
+    bindAction: '#test7',
+    choose: function(obj){   
       var that = this;
       obj.preview(function(index, file){
         that.elem.after('<span class="layui-inline layui-upload-choose">'+ file.name +'</span>');
         console.log(file.name);
         //obj.resetFile(index, file, '123.jpg');
       });
-    }
-    ,before: function(){
+    },
+    before: function(){
       console.log(345);
-    }
-    ,done: function(res){
+    },
+    done: function(res){
       console.log(res);
     }
   });
   
   upload.render({
-    elem: '#test8'
-    ,url: 'https://httpbin.org/post'
-    ,done: function(res){
+    elem: '#test8',
+    url: 'https://httpbin.org/post',
+    done: function(res){
       console.log(res);
     }
   });
   
   upload.render({
-    elem: '#test9'
-    ,url: ''
-    ,done: function(res){
+    elem: '#test9',
+    url: '',
+    done: function(res){
       console.log(res);
     }
   });