diff --git "a/\347\216\213\347\232\223/0225/sql1.js" "b/\347\216\213\347\232\223/0225/sql1.js"
new file mode 100644
index 0000000000000000000000000000000000000000..715b36b290dd4f131618f55f83338652c457e57f
--- /dev/null
+++ "b/\347\216\213\347\232\223/0225/sql1.js"
@@ -0,0 +1,9 @@
+// ### 作业:第一个能不能使用promise的异步函数,封装下数据库的查询,二 把sequelize 配置完成,至少能查询一个表去看看sequelize的文档,实现curd
+database= {
+    dbName: 'wh',
+    host: '127.0.0.1',
+    port: 3306,
+    user: 'root',
+    password: 'root'
+}
+module.exports = database
\ No newline at end of file
diff --git "a/\347\216\213\347\232\223/0225/sql2.js" "b/\347\216\213\347\232\223/0225/sql2.js"
new file mode 100644
index 0000000000000000000000000000000000000000..72bf11d2e567eeff50f2e7d6db079f1e439ea680
--- /dev/null
+++ "b/\347\216\213\347\232\223/0225/sql2.js"
@@ -0,0 +1,29 @@
+
+
+let mysql = require("mysql");
+let connection = mysql.createConnection({ host: "127.0.0.1", user: "root", password: "root", port: "3306", database: "user" });
+
+connection.connect();
+
+function query(sql){
+    return new Promise((resolve,reject)=>{
+        connection.query(sql,(err,data)=>{
+            if(err!=null){
+                reject(err)
+            }else{
+                resolve(data)
+            }
+        })
+    })
+}
+
+async function useAsync(sql){
+    let conts = await query(sql);
+    console.log(conts);
+    cont.end();
+}
+
+
+var sql = 'select * from user'
+useAsync(sql)
+
diff --git "a/\347\216\213\347\232\223/0225/sql3.js" "b/\347\216\213\347\232\223/0225/sql3.js"
new file mode 100644
index 0000000000000000000000000000000000000000..a493a11ce7496450d9c4aa145cd74da8966c68e6
--- /dev/null
+++ "b/\347\216\213\347\232\223/0225/sql3.js"
@@ -0,0 +1,37 @@
+let config = require('./sql1.js');
+
+const {Sequelize,Model,DataTypes} = require('sequelize');
+
+const sequelize = new Sequelize(config.database,config.user,config.password,{
+    dialect:'mysql',
+    host:config.host,
+    port:config.port,
+    logging:true,
+    timezone:'+08:00',
+    define:{
+        timestamps:false,
+    }
+})
+
+sequelize.sync({force:false})
+
+class user extends Model{}
+user.init({
+    id:{
+        type:DataTypes.INTEGER,
+        allowNull:false,
+        primaryKey: true
+    },
+    name:{
+        type: DataTypes.STRING
+    }
+},{
+    sequelize,
+    modelName:'user',
+    tableName:'user',
+});
+user.findAll().then(name =>{
+    console.log(JSON.stringify(name,null,4));
+})
+
+connection.end()
\ No newline at end of file
diff --git "a/\347\216\213\347\232\223/0301/http.js" "b/\347\216\213\347\232\223/0301/http.js"
new file mode 100644
index 0000000000000000000000000000000000000000..51bd1fc93fef8692f45cac1de2d3cb1145ef1dc3
--- /dev/null
+++ "b/\347\216\213\347\232\223/0301/http.js"
@@ -0,0 +1,86 @@
+var http = require('http');
+let fs = require('fs');
+let mysql= require('mysql2')
+
+
+var server = http.createServer(async function (request, response) {
+    
+    response.writeHead(200, { 'Content-Type': 'text/html;charset=utf-8' });
+
+    console.log(request.method + ': ' + request.url);
+
+    if (request.url.indexOf("/food") > -1) {
+        let params = handelResponce.formatParam(request.url);
+        let bf = handelResponce.readFileByValue(params.name);
+        response.end(bf)
+    } else if (request.url.indexOf('/users') > -1) {
+
+        let data = await handelResponce.handleDbByPromise(request.url);
+        response.end(data);
+    } else {
+
+        response.end('<h1>Wonder Of U</h1>');
+    }
+
+});
+
+server.listen(8080);
+
+console.log('Server is running at http://127.0.0.1:8080/');
+
+let handelResponce = {
+    
+    formatParam: function (url) {
+       
+        let temArr = url.split("?");
+
+        if (temArr[1] == undefined) return {};
+        let returnObj = {};
+    
+        let paramUrl = temArr[1];
+    
+        let paramArray = paramUrl.split("&");
+        for (let keyAValue of paramArray) {
+            let tem = keyAValue.split("=");
+            returnObj[tem[0]] = tem[1];
+        }
+        return returnObj;
+    },
+    readFileByValue: function (value) {
+        let bf = fs.readFileSync("./html/" + value + ".html");
+        return bf;
+    },
+
+    handleDb(url, response) {
+        let params = this.formatParam(url);
+        let connection = mysql.createConnection({ host: 'localhost', user: 'root', password: 'root', database: 'user' });
+        connection.connect();
+        let sql = "select * from users where user_id=?";
+        connection.query(sql, [params.userId], (err, data) => {
+            response.end(JSON.stringify(data));
+        });
+        connection.end();
+    },
+
+    async handleDbByPromise(url) {
+        let connection = mysql.createConnection({ host: 'localhost', user: 'root', password: 'root', database: 'user' });
+        connection.connect();
+        let params = this.formatParam(url);
+        let sql = "select * from users where user_id=?";
+        let param = [params.userId];
+        let data = await this.usePromise(sql, param,connection);
+        connection.end();
+        return JSON.stringify(data);
+    },
+    usePromise(sql, params,connection) {
+        return new Promise((resolve, reject) => {
+            connection.query(sql, params, (err, data) => {
+                if (err == null) {
+                    resolve(data);
+                } else {
+                    reject(err);
+                }
+            })
+        })
+    }
+}
\ No newline at end of file
diff --git "a/\347\216\213\347\232\223/0304/demo.js" "b/\347\216\213\347\232\223/0304/demo.js"
new file mode 100644
index 0000000000000000000000000000000000000000..8003afe206a1fc97fc479674c2f117eec7463010
--- /dev/null
+++ "b/\347\216\213\347\232\223/0304/demo.js"
@@ -0,0 +1,25 @@
+
+let express = require("express");
+let app = express();
+let mysql = require("mysql");
+let fs = require("fs");
+
+
+app.get("/student", (req, res) => {
+    let htmlContent = fs.readFileSync("./html/student.html").toString();
+    res.end(htmlContent);
+})
+
+app.get("/student/api", (req, res) => {
+    res.writeHead(200, { 'Content-Type': 'text/html;charset=utf-8' });
+    let page = req.query.page ? req.query.page : 1;
+    let sql = "select * from student limit " + (page - 1) * 20 + ",20";
+    let connction = mysql.createConnection({ host: "localhost", user: "root", password: "root", database: "student" });
+    connction.connect();
+    connction.query(sql, (err, data) => {
+        res.end(JSON.stringify(data));
+    });
+    connction.end();
+})
+
+app.listen(8080)
\ No newline at end of file
diff --git "a/\347\216\213\347\232\223/0304/html/student.html" "b/\347\216\213\347\232\223/0304/html/student.html"
new file mode 100644
index 0000000000000000000000000000000000000000..456fbeb6b52dff7e2cfc4ac007b89efb813a7bfe
--- /dev/null
+++ "b/\347\216\213\347\232\223/0304/html/student.html"
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>表</title>
+</head>
+
+<body>
+    <ul class="ul">
+
+    </ul>
+    <ul>
+        <button class="page1">上一页</button>
+        <button class="page2">下一页</button>
+    </ul>
+</body>
+<script src="http://libs.baidu.com/jquery/2.0.0/jquery.js"></script>
+<script>
+    $(document).ready(function () {
+        let page=1;
+        $.ajax({
+            url: "/student/api?page="+page,
+            method: "get",
+            dataType: "json",
+            success: function (data) {
+                console.log(JSON.stringify(data));
+
+                for(let val of data){
+                   let li ="<li>学生姓名:"+val.stu_name+",分数:"+val.score+"</li>"
+                   $(".ul").append(li)
+                }
+            }
+        });
+    })
+
+    
+</script>
+<style>
+    ul{
+        list-style: none;
+    }
+</style>
+</html>
\ No newline at end of file
diff --git "a/\347\216\213\347\232\223/snake.7z" "b/\347\216\213\347\232\223/snake.7z"
new file mode 100644
index 0000000000000000000000000000000000000000..216601ca1ef7ac26f43e02195245232e634c61f8
Binary files /dev/null and "b/\347\216\213\347\232\223/snake.7z" differ