diff --git a/examples/table.html b/examples/table.html
index 5281bc22..5b847ec6 100644
--- a/examples/table.html
+++ b/examples/table.html
@@ -302,7 +302,8 @@ layui.use(['table', 'dropdown'], function(){
       ,{field: 'sign', title: '签名', width: 150}
       ,{field: 'sex', title: '性别', width: 80}
       ,{field: 'city', title: '城市', width: 100}
-      ,{field: 'experience', title: '积分', width: 80, sort: true}
+      // ,{field: 'experience', title: '积分', width: 80, sort: true}
+      ,{field: 'experience', title: '积分', width: 80, sort: true, totalRow: true, totalRowDecimalScale: 20}
     ]]
     ,data: [{
       "id": "10001"
@@ -402,6 +403,7 @@ layui.use(['table', 'dropdown'], function(){
     ,page: true //是否显示分页
     ,limits: [3,5,10]
     ,limit: 3 //每页默认显示的数量
+    ,totalRow: true
     //,loading: false //请求数据时，是否显示loading
   });
   
diff --git a/src/modules/table.js b/src/modules/table.js
index 32f2ae52..6a3db8a1 100644
--- a/src/modules/table.js
+++ b/src/modules/table.js
@@ -991,8 +991,13 @@ layui.define(['laytpl', 'laypage', 'layer', 'form', 'util'], function(exports){
       
       //td 内容
       var content = function(){
+        if( item3.totalRowDecimalScale == null || isNaN(item3.totalRowDecimalScale) || 
+          item3.totalRowDecimalScale < 0  || item3.totalRowDecimalScale > 10 ){
+          // 如果检测到非法值就重设为2。至于非法值的定义这里是我自己定义的。
+          item3.totalRowDecimalScale = 2;
+        }
         var text = item3.totalRowText || ''
-        ,thisTotalNum = parseFloat(totalNums[field]).toFixed(2)
+        ,thisTotalNum = parseFloat(totalNums[field]).toFixed(item3.totalRowDecimalScale)
         ,tplData = {}
         ,getContent;