diff --git a/demo/demolist/Demo24.js b/demo/demolist/Demo24.js
index a814d9d..d7f42a9 100644
--- a/demo/demolist/Demo24.js
+++ b/demo/demolist/Demo24.js
@@ -2,58 +2,98 @@
 *
 * @title 动态设置固、取消固定列
 * @description 动态设置固、取消固定列
+* @description 动态固定列设置 一个table动态设置一个方向【fixed: "left"，fixed: "right"】。
 *
 */
 import React, { Component } from 'react';
 import Table from '../../src';
 
+// const columns24 = [
+//   {
+//     title: "Full Name",
+//     width: 100,
+//     dataIndex: "name",
+//     key: "name",
+//     fixed: "left",
+//   },
+//   { title: "Age", width: 100, dataIndex: "age", key: "age", fixed: "left" },
+//   { title: "Column 1", dataIndex: "address", key: "1"  },
+//   { title: "Column 2", dataIndex: "address2", key: "2" },
+//   { title: "Column 3", dataIndex: "address", key: "3" },
+//   { title: "Column 4", dataIndex: "address", key: "4" },
+//   { title: "Column 24", dataIndex: "address", key: "24" },
+//   { title: "Column 6", dataIndex: "address", key: "6" },
+//   { title: "Column 7", dataIndex: "address", key: "7" },
+//   { title: "Column 8", dataIndex: "address", key: "8" }
+// ];
+
+
 const columns24 = [
   {
-    title: "Full Name",
+    title: "名字",
+    dataIndex: "a",
+    key: "a",
     width: 100,
-    dataIndex: "name",
-    key: "name",
     fixed: "left",
   },
-  { title: "Age", width: 100, dataIndex: "age", key: "age", fixed: "left" },
-  { title: "Column 1", dataIndex: "address", key: "1" , fixed: "left" },
-  { title: "Column 2", dataIndex: "address", key: "2" },
-  { title: "Column 3", dataIndex: "address", key: "3" },
-  { title: "Column 4", dataIndex: "address", key: "4" },
-  { title: "Column 24", dataIndex: "address", key: "24" },
-  { title: "Column 6", dataIndex: "address", key: "6" },
-  { title: "Column 7", dataIndex: "address", key: "7" },
-  { title: "Column 8", dataIndex: "address", key: "8" }
+  {
+    title: "性别",
+    dataIndex: "b",
+    key: "b",
+    width: 100,
+    fixed: "left",
+  },
+  {
+    title: "年龄",
+    dataIndex: "c",
+    key: "c",
+    width: 100, 
+  },
+  {
+    title: "武功级别",
+    dataIndex: "d",
+    key: "d",
+    width: 150 
+  },
+  {
+    title: "对手",
+    dataIndex: "e",
+    key: "e",
+    width: 100 
+  },
+  {
+    title: "帮派",
+    dataIndex: "f",
+    key: "f",
+    width: 100 
+  },
+  {
+    title: "武功类型",
+    dataIndex: "g",
+    key: "g",
+    width: 100 
+  },
+  {
+    title: "师傅",
+    dataIndex: "k",
+    key: "k",
+    // width: 100 
+  },
+  {
+    title: "攻击系数",
+    dataIndex: "h",
+    key: "h",
+    width: 100 
+  }
 ];
 
 
 const data24 = [
-  {
-    key: "1",
-    name: "John Brown",
-    age: 32,
-    address: "New York Park"
-  },
-  {
-    key: "2",
-    name: "Jim Green",
-    age: 40,
-    address: "London Park"
-  },
-  {
-    key: "3",
-    name: "Jim Green",
-    age: 40,
-    address: "London Park"
-  },
-  {
-    key: "4",
-    name: "Jim Green",
-    age: 40,
-    address: "London Park"
-  }
-];
-
+  { a: "杨过", b: "男", c: 30,d:'内行',e:'黄荣',f:'古墓派',g:'剑术',k:'小龙女',h:'0.5', key: "1" },
+  { a: "令狐冲", b: "男", c: 41,d:'剑客',e:'自己',f:'无',g:'剑术',k:'无',h:'0.5', key: "2" },
+  { a: "郭靖", b: "男", c: 25,d:'大侠',e:'黄荣',f:'朝廷',g:'内容',k:'外侵势力',h:'0.6', key: "3" }
+]; 
+ 
 class Demo24 extends Component {
 
   constructor(props) {
@@ -67,11 +107,25 @@ class Demo24 extends Component {
   }
 
   onHeadCellClick=(data,event)=>{
+    let fixed = "left";
+    let fixedIndex = 0;
     const {columns:_columns} = this.state;
+    _columns.find((da,i)=>{
+      da.fixed?fixed=da.fixed:"left";
+      da.fixed?fixedIndex = i:"";
+    });
     let columns = [];
     Object.assign(columns,_columns);
-    let currObj = columns.find(da=>da.key == data.key);
-    currObj.fixed?delete currObj.fixed:currObj.fixed = "left";
+    let fixedCols = [];
+    let nonColums = [];
+    let currObj = columns.find(da=>{
+      if(da.key == data.key){
+        da.fixed?delete da.fixed:da.fixed = fixed;
+      }
+      da.fixed?fixedCols.push(da):nonColums.push(da);
+    });
+    columns = fixed=="left"?[...fixedCols,...nonColums]:[...nonColums,...fixedCols]
+    console.log(columns);
     this.setState({
       columns
     });
@@ -79,7 +133,7 @@ class Demo24 extends Component {
 
   render() {
     const {columns} = this.state;
-    return <Table columns={columns} data={data24} scroll={{ x: "130%", y: 140 }}/>;
+    return <Table columns={columns} data={data24} scroll={{ x: "110%", y: 240 }}/>;
   }
 }