diff --git a/demo/demolist/Demo12.js b/demo/demolist/Demo12.js
index 3e13e15..374f629 100644
--- a/demo/demolist/Demo12.js
+++ b/demo/demolist/Demo12.js
@@ -8,7 +8,7 @@
 
 import React, { Component } from 'react';
 import Table from '../../src';
-import multiSelect from "../../src/lib/multiSelect.js";
+import multiSelect from "../../src/lib/newMultiSelect.js";
 import Checkbox from 'bee-checkbox';
 
 const columns12 = [
@@ -39,9 +39,9 @@ const columns12 = [
 ];
 
 const data12 = [
-  { a: "杨过", b: "男", c: 30,d:'内行', key: "2" },
-  { a: "令狐冲", b: "男", c: 41,d:'大侠', key: "1" },
-  { a: "郭靖", b: "男", c: 25,d:'大侠', key: "3" }
+  { a: "杨过", b: "男", c: 30,d:'内行', key: "2",_checked:true },
+  { a: "令狐冲", b: "男", c: 41,d:'大侠', key: "1" ,_checked:true},
+  { a: "郭靖", b: "男", c: 25,d:'大侠', key: "3" ,_checked:true}
 ];
 //拼接成复杂功能的table组件不能在render中定义，需要像此例子声明在组件的外侧，不然操作state会导致功能出现异常
 let MultiSelectTable  = multiSelect(Table, Checkbox);
diff --git a/src/lib/newMultiSelect.js b/src/lib/newMultiSelect.js
index 05ef1a5..3db7ea2 100644
--- a/src/lib/newMultiSelect.js
+++ b/src/lib/newMultiSelect.js
@@ -18,26 +18,35 @@ export default function newMultiSelect(Table, Checkbox) {
 
     constructor(props) {
       super(props);
+      let checkedAll = this.setChecked(props.data);
       this.state = {
-        checkedAll:false,
-        // columns:this.getDefaultColumns(props.columns,"init"),
+        checkedAll,
         data:ObjectAssign(props.data),
       }
     }
 
     componentWillReceiveProps(nextProps){
-      // if(this.props.columns != nextProps.columns){
-      //   this.setState({
-      //     columns:this.getDefaultColumns(nextProps.columns)
-      //   })
-      // }
       if(this.props.data != nextProps.data){
         this.setState({
-          data:ObjectAssign(nextProps.data)
+          data:ObjectAssign(nextProps.data),
+          checkedAll:this.setChecked(nextProps.data),
         })
       }
     }
 
+    setChecked(data){
+      let allCheck = true;
+      if(data){
+        for (const da of data) {
+          if(!da._checked){
+            allCheck = false;
+            break;
+          }
+        }
+      }
+      return allCheck;
+    }
+
     onAllCheckChange=()=>{
       let {data,checkedAll} = this.state;
       let selectList = [];