diff --git a/examples/rate.html b/examples/rate.html
index 0010e8a6..149b7f8b 100644
--- a/examples/rate.html
+++ b/examples/rate.html
@@ -66,7 +66,7 @@ layui.use(['rate'], function(){
   rate.render({
     elem: '#test1'
     ,length: 7
-    ,value: 4
+    ,value: 4.2
   })
 
   rate.render({
@@ -85,7 +85,7 @@ layui.use(['rate'], function(){
   rate.render({
     elem: '#test4'
     ,length: 8
-    ,value: 5
+    ,value: 4.7
     ,reader: true
   })
 
diff --git a/src/lay/modules/rate.js b/src/lay/modules/rate.js
index 8e520bcd..93f976d6 100644
--- a/src/lay/modules/rate.js
+++ b/src/lay/modules/rate.js
@@ -39,7 +39,7 @@ layui.define('jquery',function(exports){
   }
 
   //字符常量
-  ,MOD_NAME= 'rate', ICON_RATE = 'layui-icon layui-icon-rate', ICON_RATE_SOLID = 'layui-icon layui-icon-rate-solid', ICON_RATE_HALF = 'layui-icon layui-icon-rate-half'
+  ,MOD_NAME = 'rate', ICON_RATE = 'layui-icon layui-icon-rate', ICON_RATE_SOLID = 'layui-icon layui-icon-rate-solid', ICON_RATE_HALF = 'layui-icon layui-icon-rate-half'
 
 
 	//构造器
@@ -56,7 +56,7 @@ layui.define('jquery',function(exports){
     text: false, //是否显示评分等级
     reader: false, //是否只读
     half: false, //是否可以半星
-    value: 5, //星星选中个数
+    value: 3 //星星选中个数
   };
 
   //评分渲染
@@ -64,71 +64,80 @@ layui.define('jquery',function(exports){
     var that = this
     ,options = that.config;
     
-
-    var temp='<ul class="layui-rate">';
-    for(var i=1;i<=options.length;i++){
-      if(options.half){
-        if(parseInt(options.value)!==options.value){
-          if(i==Math.ceil(options.value)){
-            temp=temp+'<li class="layui-inline"><i class="layui-icon layui-icon-rate-half"></i></li>';
-          }else{
-            temp=temp+'<li class="layui-inline"><i class="layui-icon '+(i>Math.floor(options.value)?'layui-icon-rate':'layui-icon-rate-solid')+'"></i></li>';
-          } 
-        }else{
-          temp=temp+'<li class="layui-inline"><i class="layui-icon '+(i>Math.floor(options.value)?'layui-icon-rate':'layui-icon-rate-solid')+'"></i></li>';
-        }
-      }else{
-        temp=temp+'<li class="layui-inline"><i class="layui-icon '+(i>Math.floor(options.value)?'layui-icon-rate':'layui-icon-rate-solid')+'"></i></li>';
+    //如果没有选择半星的属性，却给了小数的数值，同意向上或向下取整
+    if(parseInt(options.value) !== options.value){
+      if(!options.half){
+        options.value = (Math.ceil(options.value) - options.value) < 0.5 ? Math.ceil(options.value): Math.floor(options.value)
       }
     }
-    temp+='</ul><span>'+(options.text ? options.value+"分" : "")+'</span>';
+
+    //模板
+    var temp = '<ul class="layui-rate">';
+    for(var i = 1;i <= options.length;i++){
+      var item = '<li class="layui-inline"><i class="layui-icon '+(i>Math.floor(options.value)?'layui-icon-rate':'layui-icon-rate-solid')+'"></i></li>';
+      if(options.half){
+        if(parseInt(options.value) !== options.value){
+          if(i == Math.ceil(options.value)){
+            temp = temp + '<li class="layui-inline"><i class="layui-icon layui-icon-rate-half"></i></li>';
+          }else{
+            temp = temp + item 
+          } 
+        }else{
+          temp = temp + item
+        }
+      }else{
+        temp = temp + '<li class="layui-inline"><i class="layui-icon '+(i>options.value?'layui-icon-rate':'layui-icon-rate-solid')+'"></i></li>';
+      }
+    }
+    temp += '</ul><span>' + (options.text ? options.value + "分" : "") + '</span>';
 
     $(options.elem).after(temp);
 
-    //如果不是只读，那么进行点击事件
+    //如果不是只读，那么进行触控事件
     if(!options.reader) that.action(); 
 
-    
-
   };
 
 
-  //li点击事件
-  Class.prototype.action=function(){
+  //li触控事件
+  Class.prototype.action = function(){
     var that = this
     ,options = that.config
-    ,_ul=$(options.elem).next("ul");
+    ,_ul = $(options.elem).next("ul");
 
     _ul.children("li").each(function(index){
-      var ind=index + 1, othis = $(this);
+      var ind = index + 1
+      ,othis = $(this);
 
       //点击
       othis.on('click', function(e){
-        options.value=ind;
+        //将当前点击li的索引值赋给value
+        options.value = ind;
 
         if(options.half){
-          var x=e.pageX-$(this).offset().left;
-          if(x<=13){
-            options.value=options.value-0.5;
+          //获取鼠标在li上的位置
+          var x = e.pageX - $(this).offset().left;
+          if(x <= 13){
+            options.value = options.value - 0.5;
           }
         }
-        if(options.text)  _ul.next("span").text(options.value+"分");
+        if(options.text)  _ul.next("span").text(options.value + "分")
       })
 
       //移入
       othis.on('mousemove', function(e){
         _ul.find("i").each(function(){
           this.className = ICON_RATE;
-        })
-        _ul.find("i:lt("+ind+")").each(function(){
-          this.className = ICON_RATE_SOLID;
-        })
+        });
+        _ul.find("i:lt(" + ind + ")").each(function(){
+          this.className = ICON_RATE_SOLID ;
+        });
 
         // 如果设置可选半星，那么判断鼠标相对li的位置
         if(options.half){
-          var x=e.pageX-$(this).offset().left;
-          if(x<=13){
-            $(this).children("i")[0].className=ICON_RATE_HALF
+          var x = e.pageX - $(this).offset().left;
+          if(x <= 13){
+            $(this).children("i")[0].className = ICON_RATE_HALF ;
           }
         }         
       })
@@ -136,17 +145,19 @@ layui.define('jquery',function(exports){
       //移出
       othis.on('mouseout', function(){
         _ul.find("i").each(function(){
-          this.className=ICON_RATE;
+          this.className = ICON_RATE;
         });
-        _ul.find("i:lt("+ Math.floor(options.value) +")").each(function(){
-          this.className=ICON_RATE_SOLID;
-        })
+        _ul.find("i:lt(" + Math.floor(options.value) + ")").each(function(){
+          this.className = ICON_RATE_SOLID;
+        });
+
         if(options.half){
-          if(parseInt(options.value)!== options.value){
-            _ul.children("li:eq("+Math.floor(options.value) +")").children("i")[0].className=ICON_RATE_HALF;             
+          if(parseInt(options.value) !== options.value){
+            _ul.children("li:eq(" + Math.floor(options.value) + ")").children("i")[0].className = ICON_RATE_HALF ;             
           }
         } 
       })
+
     })
   };