diff --git a/li_sz/.vscode/launch.json b/li_sz/.vscode/launch.json
new file mode 100644
index 0000000000000000000000000000000000000000..d1bb6523fe301ce8e332e55d0ae559d6a92c77e6
--- /dev/null
+++ b/li_sz/.vscode/launch.json
@@ -0,0 +1,17 @@
+{
+    // 使用 IntelliSense 了解相关属性。 
+    // 悬停以查看现有属性的描述。
+    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "启动程序",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}\\app.js"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/li_sz/app.js b/li_sz/app.js
new file mode 100644
index 0000000000000000000000000000000000000000..f04ff1162b6acb45a1fa42d328c0f6a6e1a2fbff
--- /dev/null
+++ b/li_sz/app.js
@@ -0,0 +1,82 @@
+'use strict'
+var info = require('./info');
+ info();
+
+var table = require('./table')
+var Crawler = require("crawler");
+for (let index=0;index<=250;index+=25) {
+    var URL ='https://book.douban.com/top250?start='+index
+var c = new Crawler({
+    maxConnections: 5000,
+    // This will be called for each crawled page
+    callback: function (error, res, done) {
+        if (error) {
+            console.log(error);
+        } else {
+            var $ = res.$;
+            var list = $('#wrapper .article table').toArray();
+            list.forEach(element => {
+                var txt1 = $(element).find('.pl2').text().trim().replace(/[ \n\r]/g, "");
+                var txt2 = $(element).find('.pl').text().trim().replace(/\s*/g, "");
+                var txt3 = $(element).find('.quote').text().trim().replace(/\s*/g, "");
+
+                var a = txt2.split('/').slice(0, 1).toString();
+                table.create({ title: txt1, who: a, intro: txt3 })
+                console.log(txt1);
+                console.log(txt2);
+                console.log(txt3);
+            });
+            // $ is Cheerio by default
+            //a lean implementation of core jQuery designed specifically for the server
+
+        }
+        done();
+    }
+});
+
+// Queue just one URL, with default callback
+// c.queue('https://book.douban.com/latest');
+
+// var Crawler = require("crawler");
+//  var fs =require('fs');
+//  var request =require('request');
+
+// var c = new Crawler({
+//     maxConnections : 10,
+//     // This will be called for each crawled page
+//     callback : function (error, res, done) {
+//         if(error){
+//             console.log(error);
+//         }else{
+//             var $ = res.$;
+//             var list=$('#wrapper .article ul li').toArray();
+//             list.forEach(element => {
+//                 var img =$(element).find('img').attr('src');
+
+//                 var i = img.split('/').slice(7,8).toString();
+//               request(img).pipe(fs.createWriteStream('./img/'/*路径名*/ + i + ".jpg"))
+
+//                 console.log(img);
+
+
+//             });
+//             // $ is Cheerio by default
+//             //a lean implementation of core jQuery designed specifically for the server         
+//         }
+//         done();
+//     }
+// });
+// Queue just one URL, with default callback
+// var url=require('url');
+
+// var a ='https://book.douban.com/top250?';
+// var  hppt ='start=25'
+// var newurl=url.resolve(a,hppt).toString();
+
+// console.log(newurl)
+
+
+c.queue(URL);
+
+
+}
\ No newline at end of file
diff --git a/li_sz/db.js b/li_sz/db.js
new file mode 100644
index 0000000000000000000000000000000000000000..18efc1d8254fb03fa150417eb3edd0e966819418
--- /dev/null
+++ b/li_sz/db.js
@@ -0,0 +1,20 @@
+//创建链接
+
+'use strict';
+const Sequelize = require('sequelize');
+
+// Option 1: Passing parameters separately
+const sequelize = new Sequelize('hometest', 'sa', '123456', {
+  host: 'localhost',
+  dialect: 'mssql'/* one of 'mysql' | 'mariadb' | 'postgres' | 'mssql' */
+});
+
+// sequelize
+//   .authenticate()
+//   .then(() => {
+//     console.log('Connection has been established successfully.');
+//   })
+//   .catch(err => {
+//     console.error('Unable to connect to the database:', err);
+//   });
+module.exports=sequelize;
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diff --git a/li_sz/img/s33577132.jpg.jpg b/li_sz/img/s33577132.jpg.jpg
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diff --git a/li_sz/img/s33585401.jpg.jpg b/li_sz/img/s33585401.jpg.jpg
new file mode 100644
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diff --git a/li_sz/img/s33585414.jpg.jpg b/li_sz/img/s33585414.jpg.jpg
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diff --git a/li_sz/info.js b/li_sz/info.js
new file mode 100644
index 0000000000000000000000000000000000000000..aebdb0f5c028e7ced6e632c29b85432651cb2e58
--- /dev/null
+++ b/li_sz/info.js
@@ -0,0 +1,29 @@
+'use strict'
+//初始化工具
+var Table=require('./table');
+//放在一个方法里
+module.exports=()=>{
+    Table.sync({force:true}).then(()=>{
+        Table.create({
+          title:'zh',
+          who:'dd',
+        }).then(row=>{
+          console.log(`插入Id是：${row.id}`)
+        })
+      
+        Table.create({
+          title:'大力',
+          who:'dda'
+        }).then(row=>{
+          console.log(`插入Id是：${row.id}`)
+        })
+
+        Table.create({
+            title:'亮',
+         who:'sdd'
+          }).then(row=>{
+            console.log(`插入Id是：${row.id}`)
+          })
+      
+      })
+}
\ No newline at end of file
diff --git a/li_sz/package-lock.json b/li_sz/package-lock.json
new file mode 100644
index 0000000000000000000000000000000000000000..69e1ce62bd8b200e358a94427392c33f8fc62662
--- /dev/null
+++ b/li_sz/package-lock.json
@@ -0,0 +1,1048 @@
+{
+  "name": "mssql",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@azure/ms-rest-azure-env": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@azure/ms-rest-azure-env/-/ms-rest-azure-env-1.1.2.tgz",
+      "integrity": "sha512-l7z0DPCi2Hp88w12JhDTtx5d0Y3+vhfE7JKJb9O7sEz71Cwp053N8piTtTnnk/tUor9oZHgEKi/p3tQQmLPjvA=="
+    },
+    "@azure/ms-rest-js": {
+      "version": "1.8.14",
+      "resolved": "https://registry.npmjs.org/@azure/ms-rest-js/-/ms-rest-js-1.8.14.tgz",
+      "integrity": "sha512-IrCPN22c8RbKWA06ZXuFwwEb15cSnr0zZ6J8Fspp9ns1SSNTERf7hv+gWvTIis1FlwHy42Mfk8hVu0/r3a0AWA==",
+      "requires": {
+        "@types/tunnel": "0.0.0",
+        "axios": "^0.19.0",
+        "form-data": "^2.3.2",
+        "tough-cookie": "^2.4.3",
+        "tslib": "^1.9.2",
+        "tunnel": "0.0.6",
+        "uuid": "^3.2.1",
+        "xml2js": "^0.4.19"
+      }
+    },
+    "@azure/ms-rest-nodeauth": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@azure/ms-rest-nodeauth/-/ms-rest-nodeauth-2.0.2.tgz",
+      "integrity": "sha512-KmNNICOxt3EwViAJI3iu2VH8t8BQg5J2rSAyO4IUYLF9ZwlyYsP419pdvl4NBUhluAP2cgN7dfD2V6E6NOMZlQ==",
+      "requires": {
+        "@azure/ms-rest-azure-env": "^1.1.2",
+        "@azure/ms-rest-js": "^1.8.7",
+        "adal-node": "^0.1.28"
+      }
+    },
+    "@js-joda/core": {
+      "version": "1.12.0",
+      "resolved": "https://registry.npmjs.org/@js-joda/core/-/core-1.12.0.tgz",
+      "integrity": "sha512-XfqsWzY2jRUcVesKJ/vbZPDzfBZo2jHBWofabPozJQFguSQ0XEaUbdFPBeUICUmfeRsQn/Z+/SPTHSboT0XO3A=="
+    },
+    "@types/node": {
+      "version": "13.7.7",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-13.7.7.tgz",
+      "integrity": "sha512-Uo4chgKbnPNlxQwoFmYIwctkQVkMMmsAoGGU4JKwLuvBefF0pCq4FybNSnfkfRCpC7ZW7kttcC/TrRtAJsvGtg=="
+    },
+    "@types/tunnel": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/@types/tunnel/-/tunnel-0.0.0.tgz",
+      "integrity": "sha512-FGDp0iBRiBdPjOgjJmn1NH0KDLN+Z8fRmo+9J7XGBhubq1DPrGrbmG4UTlGzrpbCpesMqD0sWkzi27EYkOMHyg==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "adal-node": {
+      "version": "0.1.28",
+      "resolved": "https://registry.npmjs.org/adal-node/-/adal-node-0.1.28.tgz",
+      "integrity": "sha1-RoxLs+u9lrEnBmn0ucuk4AZepIU=",
+      "requires": {
+        "@types/node": "^8.0.47",
+        "async": ">=0.6.0",
+        "date-utils": "*",
+        "jws": "3.x.x",
+        "request": ">= 2.52.0",
+        "underscore": ">= 1.3.1",
+        "uuid": "^3.1.0",
+        "xmldom": ">= 0.1.x",
+        "xpath.js": "~1.1.0"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "8.10.59",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.59.tgz",
+          "integrity": "sha512-8RkBivJrDCyPpBXhVZcjh7cQxVBSmRk9QM7hOketZzp6Tg79c0N8kkpAIito9bnJ3HCVCHVYz+KHTEbfQNfeVQ=="
+        }
+      }
+    },
+    "ajv": {
+      "version": "6.12.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.0.tgz",
+      "integrity": "sha512-D6gFiFA0RRLyUbvijN74DWAjXSFxWKaWP7mldxkVhyhAV3+SWA9HEJPHQ2c9soIeTFJqcSdFDGFgdqs1iUU2Hw==",
+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
+    "any-promise": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8="
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+    "asn1": {
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+      "requires": {
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+      "requires": {
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+      }
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+      }
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+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
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+        "entities": "~1.1.1",
+        "htmlparser2": "^3.9.1",
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+        "lodash.bind": "^4.1.4",
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+        "lodash.merge": "^4.4.0",
+        "lodash.pick": "^4.2.1",
+        "lodash.reduce": "^4.4.0",
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+        "lodash.some": "^4.4.0"
+      }
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+    "xpath.js": {
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diff --git a/li_sz/package.json b/li_sz/package.json
new file mode 100644
index 0000000000000000000000000000000000000000..431e8cf2eeba591d9fab7facb5315d7c1c1ace11
--- /dev/null
+++ b/li_sz/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "mssql",
+  "version": "1.0.0",
+  "description": "练习连接mssql",
+  "main": "app.js",
+  "dependencies": {
+    "crawler": "^1.2.1",
+    "save": "^2.4.0",
+    "sequelize": "^5.21.5",
+    "tedious": "^8.0.1"
+  },
+  "devDependencies": {},
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "鱼七",
+  "license": "ISC"
+}
diff --git a/li_sz/table.js b/li_sz/table.js
new file mode 100644
index 0000000000000000000000000000000000000000..03ef7a3416fb5d42073763b40d7495e8a9b6e19d
--- /dev/null
+++ b/li_sz/table.js
@@ -0,0 +1,26 @@
+'use strict'
+//引用
+var Sequelize = require('sequelize');
+//引用db路径
+var sequelize = require('./db')
+
+
+const Table = sequelize.define('table', {
+  // attributes
+  title: {
+    type: Sequelize.STRING(),
+    allowNull: false
+  },
+  who: {
+    type: Sequelize.STRING(),
+    // allowNull defaults to true
+  },
+  intro:{
+    type: Sequelize.STRING(),
+    allowNull: true
+  }
+  
+}, {
+  // options
+});
+module.exports=Table;
\ No newline at end of file