diff --git a/src/header.js b/src/header.js
new file mode 100644
index 0000000..a407811
--- /dev/null
+++ b/src/header.js
@@ -0,0 +1,27 @@
+/**
+ *  Web唐明明
+ *  匆匆数载恍如梦，岁月迢迢华发增。
+ *  碌碌无为枉半生，一朝惊醒万事空。
+ *  ComponentName: '头部'
+ */
+
+import React from "react"
+
+class Header extends React.Component{
+  render () {
+    return(
+      <div className='header'>
+        <div className='header-left'>
+          <a className='header-app' href='https://app.toutiao.com/news_article/'>下载APP</a>
+          <a href='https://mp.toutiao.com/auth/page/login/?redirect_url=JTJG'>注册头条号</a>
+        </div>
+        <div className='header-right'>
+          <a href='https://mp.toutiao.com/profile_v4_public/public/protocol/complains/'>侵权投诉</a>
+          <span className='header-product'>头条产品</span>
+        </div>
+      </div>
+    )
+  }
+}
+
+export default Header
diff --git a/src/index.css b/src/index.css
index 7b78493..1915eb0 100644
--- a/src/index.css
+++ b/src/index.css
@@ -6,53 +6,32 @@
  */
 
 body {
-    font: 14px "Century Gothic", Futura, sans-serif;
-    margin: 20px;
-}
-
-ol, ul {
-    padding-left: 30px;
-}
-
-.board-row:after {
-    clear: both;
-    content: "";
-    display: table;
-}
-
-.status {
-    margin-bottom: 10px;
-}
-
-.square {
-    background: #fff;
-    border: 1px solid #999;
-    float: left;
-    font-size: 24px;
-    font-weight: bold;
-    line-height: 34px;
-    height: 34px;
-    margin-right: -1px;
-    margin-top: -1px;
+    font-size: 14px;
+    margin: 0;
     padding: 0;
-    text-align: center;
-    width: 34px;
 }
 
-.square:focus {
-    outline: none;
-}
-
-.kbd-navigation .square:focus {
-    background: #ddd;
-}
-
-.game {
+.header{
+    background: #222;
+    color: white;
+    height: 34px;
+    line-height: 34px;
     display: flex;
-    flex-direction: row;
+    justify-content: space-between;
 }
 
-.game-info {
-    margin-left: 20px;
+.header span,
+.header a{
+    padding: 0 10px;
+    display: inline-block;
+    color: white;
+    text-decoration: none;
 }
 
+.header-app{
+    border-right: solid 1px #3a3a3a;
+}
+
+.header-product{
+    border-left: solid 1px #3a3a3a;
+}
diff --git a/src/index.js b/src/index.js
index 7241e74..1f2de3c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,161 +2,14 @@
  *  Web唐明明
  *  匆匆数载恍如梦，岁月迢迢华发增。
  *  碌碌无为枉半生，一朝惊醒万事空。
- *  ComponentName: '官方demo - 组件之间的传参'
  */
 
-import React from 'react';
-import ReactDOM from 'react-dom';
-import './index.css';
-
-// 类组件
-// class Square extends React.Component {
-//   // 入口函数
-//   render() {
-//     return (
-//       <button
-//         className="square"
-//         onClick={() => this.props.onSquare()}
-//       >
-//         {this.props.value}
-//       </button>
-//     );
-//   }
-// }
-
-// 函数组件
-const Square = (props) => {
-  return (
-    <button
-      className="square"
-      onClick={props.onSquare}
-    >
-      {props.value}
-    </button>
-  )
-}
-
-class Board extends React.Component {
-  // 小方格方法
-  renderSquare(i) {
-    return <Square
-      value={this.props.squares[i]}
-      onSquare={()=>this.props.onBoard(i)}
-    />;
-  }
-  render() {
-    return (
-      <div>
-        <div className="board-row">
-          {this.renderSquare(0)}
-          {this.renderSquare(1)}
-          {this.renderSquare(2)}
-        </div>
-        <div className="board-row">
-          {this.renderSquare(3)}
-          {this.renderSquare(4)}
-          {this.renderSquare(5)}
-        </div>
-        <div className="board-row">
-          {this.renderSquare(6)}
-          {this.renderSquare(7)}
-          {this.renderSquare(8)}
-        </div>
-      </div>
-    );
-  }
-}
-
-class Game extends React.Component {
-  constructor (props) {
-    super(props)
-    this.state = {
-      history: [{
-        squares: Array(9).fill(null)
-      }],
-      xIsNext: true,
-      stepIndex: 0
-    }
-  }
-  // 定一个一个组件方法
-  handleClick(i) {
-    const history = this.state.history.slice(0, this.state.stepIndex + 1)
-    const current = history[history.length - 1]
-    const squares = current.squares.slice()
-    if(calculateWinner(squares) || squares[i]){
-      return
-    }
-    squares[i] = this.state.xInNext ? 'X': 'O'
-    this.setState({
-      history: history.concat([{ squares }]),
-      xInNext: !this.state.xInNext,
-      stepIndex: history.length
-    })
-    // Array.slice()返回数组选定的元素,相当于克隆了原有数组
-  }
-  jumpTo(index){
-    this.setState({
-      stepIndex: index,
-      xIsNext: (index % 2) === 0,
-    })
-  }
-  render() {
-    const history = this.state.history
-    const current = history[this.state.stepIndex]
-    const winner = calculateWinner(current.squares)
-    const moves = history.map((stepArr, index) => {
-      const desc = index ? '下一步' + index : '开始游戏'
-      return(
-        <li key={index}>
-          <button onClick={()=> this.jumpTo(index)}>{desc}</button>
-        </li>
-      )
-    })
-    let status;
-    if(winner){
-      status = '恭喜选手' + winner + '获胜~'
-    }else{
-      status = '下一位选手: ' + (this.state.xInNext ? 'X': 'O');
-    }
-    return (
-      <div className="game">
-        <div className="game-board">
-          <Board
-            squares={current.squares}
-            onBoard={(i) => this.handleClick(i)}
-          />
-        </div>
-        <div className="game-info">
-          <div>{status}</div>
-          <ol>{moves}</ol>
-        </div>
-      </div>
-    );
-  }
-}
-
-function calculateWinner(squares) {
-  const lines = [
-    [0, 1, 2],
-    [3, 4, 5],
-    [6, 7, 8],
-    [0, 3, 6],
-    [1, 4, 7],
-    [2, 5, 8],
-    [0, 4, 8],
-    [2, 4, 6],
-  ];
-  for (let i = 0; i < lines.length; i++) {
-    const [a, b, c] = lines[i];
-    if (squares[a] && squares[a] === squares[b] && squares[a] === squares[c]) {
-      return squares[a];
-    }
-  }
-  return null;
-}
+import React from "react"
+import ReactDOM from 'react-dom'
+import Header from "./header"
+import './index.css'
 
 ReactDOM.render(
-  <Game />,
+  <Header/>,
   document.getElementById('root')
-);
-
+)
diff --git a/井字格demo/index.css b/井字格demo/index.css
new file mode 100644
index 0000000..7b78493
--- /dev/null
+++ b/井字格demo/index.css
@@ -0,0 +1,58 @@
+
+/**
+ *  Web唐明明
+ *  匆匆数载恍如梦，岁月迢迢华发增。
+ *  碌碌无为枉半生，一朝惊醒万事空。
+ */
+
+body {
+    font: 14px "Century Gothic", Futura, sans-serif;
+    margin: 20px;
+}
+
+ol, ul {
+    padding-left: 30px;
+}
+
+.board-row:after {
+    clear: both;
+    content: "";
+    display: table;
+}
+
+.status {
+    margin-bottom: 10px;
+}
+
+.square {
+    background: #fff;
+    border: 1px solid #999;
+    float: left;
+    font-size: 24px;
+    font-weight: bold;
+    line-height: 34px;
+    height: 34px;
+    margin-right: -1px;
+    margin-top: -1px;
+    padding: 0;
+    text-align: center;
+    width: 34px;
+}
+
+.square:focus {
+    outline: none;
+}
+
+.kbd-navigation .square:focus {
+    background: #ddd;
+}
+
+.game {
+    display: flex;
+    flex-direction: row;
+}
+
+.game-info {
+    margin-left: 20px;
+}
+
diff --git a/井字格demo/index.js b/井字格demo/index.js
new file mode 100644
index 0000000..7241e74
--- /dev/null
+++ b/井字格demo/index.js
@@ -0,0 +1,162 @@
+/**
+ *  Web唐明明
+ *  匆匆数载恍如梦，岁月迢迢华发增。
+ *  碌碌无为枉半生，一朝惊醒万事空。
+ *  ComponentName: '官方demo - 组件之间的传参'
+ */
+
+import React from 'react';
+import ReactDOM from 'react-dom';
+import './index.css';
+
+// 类组件
+// class Square extends React.Component {
+//   // 入口函数
+//   render() {
+//     return (
+//       <button
+//         className="square"
+//         onClick={() => this.props.onSquare()}
+//       >
+//         {this.props.value}
+//       </button>
+//     );
+//   }
+// }
+
+// 函数组件
+const Square = (props) => {
+  return (
+    <button
+      className="square"
+      onClick={props.onSquare}
+    >
+      {props.value}
+    </button>
+  )
+}
+
+class Board extends React.Component {
+  // 小方格方法
+  renderSquare(i) {
+    return <Square
+      value={this.props.squares[i]}
+      onSquare={()=>this.props.onBoard(i)}
+    />;
+  }
+  render() {
+    return (
+      <div>
+        <div className="board-row">
+          {this.renderSquare(0)}
+          {this.renderSquare(1)}
+          {this.renderSquare(2)}
+        </div>
+        <div className="board-row">
+          {this.renderSquare(3)}
+          {this.renderSquare(4)}
+          {this.renderSquare(5)}
+        </div>
+        <div className="board-row">
+          {this.renderSquare(6)}
+          {this.renderSquare(7)}
+          {this.renderSquare(8)}
+        </div>
+      </div>
+    );
+  }
+}
+
+class Game extends React.Component {
+  constructor (props) {
+    super(props)
+    this.state = {
+      history: [{
+        squares: Array(9).fill(null)
+      }],
+      xIsNext: true,
+      stepIndex: 0
+    }
+  }
+  // 定一个一个组件方法
+  handleClick(i) {
+    const history = this.state.history.slice(0, this.state.stepIndex + 1)
+    const current = history[history.length - 1]
+    const squares = current.squares.slice()
+    if(calculateWinner(squares) || squares[i]){
+      return
+    }
+    squares[i] = this.state.xInNext ? 'X': 'O'
+    this.setState({
+      history: history.concat([{ squares }]),
+      xInNext: !this.state.xInNext,
+      stepIndex: history.length
+    })
+    // Array.slice()返回数组选定的元素,相当于克隆了原有数组
+  }
+  jumpTo(index){
+    this.setState({
+      stepIndex: index,
+      xIsNext: (index % 2) === 0,
+    })
+  }
+  render() {
+    const history = this.state.history
+    const current = history[this.state.stepIndex]
+    const winner = calculateWinner(current.squares)
+    const moves = history.map((stepArr, index) => {
+      const desc = index ? '下一步' + index : '开始游戏'
+      return(
+        <li key={index}>
+          <button onClick={()=> this.jumpTo(index)}>{desc}</button>
+        </li>
+      )
+    })
+    let status;
+    if(winner){
+      status = '恭喜选手' + winner + '获胜~'
+    }else{
+      status = '下一位选手: ' + (this.state.xInNext ? 'X': 'O');
+    }
+    return (
+      <div className="game">
+        <div className="game-board">
+          <Board
+            squares={current.squares}
+            onBoard={(i) => this.handleClick(i)}
+          />
+        </div>
+        <div className="game-info">
+          <div>{status}</div>
+          <ol>{moves}</ol>
+        </div>
+      </div>
+    );
+  }
+}
+
+function calculateWinner(squares) {
+  const lines = [
+    [0, 1, 2],
+    [3, 4, 5],
+    [6, 7, 8],
+    [0, 3, 6],
+    [1, 4, 7],
+    [2, 5, 8],
+    [0, 4, 8],
+    [2, 4, 6],
+  ];
+  for (let i = 0; i < lines.length; i++) {
+    const [a, b, c] = lines[i];
+    if (squares[a] && squares[a] === squares[b] && squares[a] === squares[c]) {
+      return squares[a];
+    }
+  }
+  return null;
+}
+
+ReactDOM.render(
+  <Game />,
+  document.getElementById('root')
+);
+