diff --git a/index.js b/index.js
index 7137601..695bbf4 100644
--- a/index.js
+++ b/index.js
@@ -16,7 +16,7 @@ const session = require('express-session');
 // });
 
 // Link Database
-mongoose.connect('mongodb://10.23.153.10/', {useMongoClient:true})
+mongoose.connect('mongodb://root:123456@10.23.153.10', {useUnifiedTopology: true, useNewUrlParser: true})
 let db = mongoose.connection;
 mongoose.plugin(schema => { schema.options.usePushEach = true });
 
@@ -31,6 +31,15 @@ db.on('error', function(err) {
 });
 
 
+// codeserver = cp.execFile('sudo', [
+//     'code-server',
+//     '--user-data-dir=/root/codedata', 
+//     '--auth=none', 
+//     '--bind-addr=0.0.0.0:' + 8080 
+// ], function(error, stdout, stderr) {
+//     console.log(error + '\n' + stdout + '\n' + stderr);
+// });
+
 // Init App
 const app = express();
 
diff --git a/package-lock.json b/package-lock.json
index ca44d92..003ce03 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -58,6 +58,11 @@
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
       "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A=="
     },
+    "address": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/address/-/address-1.1.2.tgz",
+      "integrity": "sha512-aT6camzM4xEA54YVJYSqxz1kv4IHnQZRtThJJHhUMRExaU5spC7jX5ugSwTaTgJliIgs4VhZOk7htClvQ/LmRA=="
+    },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
@@ -135,6 +140,21 @@
         "is-regex": "^1.0.3"
       }
     },
+    "cify": {
+      "version": "2.1.12",
+      "resolved": "https://registry.npmjs.org/cify/-/cify-2.1.12.tgz",
+      "integrity": "sha512-VTTmFXfi/o5BuhnkzqicWm/9cdtOHldGIWiUi1RDh5cQN4FEqrPw5cgJ4mNeFR+cpDBq8Px5x2oU5r4z6JNdyg==",
+      "requires": {
+        "ntils": "^3.1.9"
+      },
+      "dependencies": {
+        "ntils": {
+          "version": "3.1.11",
+          "resolved": "https://registry.npmjs.org/ntils/-/ntils-3.1.11.tgz",
+          "integrity": "sha512-nHughq/vzfQE/7igQUc2a4k7dfVEZDX12/Q0XyBNrkr2fqweLfo5c4M20V1fJBxbEusF+6bV87lGSI+XblsdEg=="
+        }
+      }
+    },
     "constantinople": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-4.0.1.tgz",
@@ -195,6 +215,15 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
     },
+    "detect-port": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/detect-port/-/detect-port-1.3.0.tgz",
+      "integrity": "sha512-E+B1gzkl2gqxt1IhUzwjrxBKRqx1UzC3WLONHinn8S3T6lwV/agVCyitiFOsGJ/eYuEUBvD71MZHy3Pv1G9doQ==",
+      "requires": {
+        "address": "^1.0.1",
+        "debug": "^2.6.0"
+      }
+    },
     "doctypes": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/doctypes/-/doctypes-1.1.0.tgz",
@@ -539,6 +568,11 @@
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
       "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
     },
+    "ntils": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ntils/-/ntils-2.1.2.tgz",
+      "integrity": "sha1-d9PWWD6PycuzydjlsX+RpV2EKq8="
+    },
     "object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -557,6 +591,15 @@
       "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
       "integrity": "sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA=="
     },
+    "oneport": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/oneport/-/oneport-1.0.2.tgz",
+      "integrity": "sha1-MKQmgc7c2wAG+K9Yb85CohCfatM=",
+      "requires": {
+        "cify": "^2.1.1",
+        "ntils": "^2.0.3"
+      }
+    },
     "parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
diff --git a/routes/home.js b/routes/home.js
new file mode 100644
index 0000000..95e79dd
--- /dev/null
+++ b/routes/home.js
@@ -0,0 +1,125 @@
+const express = require("express");
+const cp = require('child_process');
+const router= express.Router();
+const detect = require('detect-port');
+const oneport = require('oneport');
+
+
+let User = require("../DBcollection/user.js");
+const detectPort = require("detect-port");
+
+let servers = new Set();
+
+router.get('/', function(req, res) {
+
+    if (req.session.user) {
+        // res.render('home', {
+        //     user: req.session.user,
+        //     title: 'HOME',
+        // });
+
+        oneport.acquire(function (err, port) {
+            if (err) return console.error(err);
+            console.log('port:', port);
+
+            codeserver = cp.execFile('sudo', [
+        	    'code-server',
+        	    '--user-data-dir=/root/codedata/' + req.session.user.name, 
+        	    '--auth=none', 
+                '--bind-addr=0.0.0.0:' + port,
+                '--extensions-dir=/root/extensionsdata/' + req.session.user.name,
+                '--home=http://106.75.254.18/logoff'
+            ], function(error, stdout, stderr) {
+                console.log(error + '\n' + stdout + '\n' + stderr);
+            });
+            servers.add({
+                user: req.session.user, 
+                server: codeserver
+            });
+            res.redirect('http://106.75.254.18:' + port);
+        });
+    }
+    else {
+        res.render('home-signin', {
+            user: req.session.user,
+            title: "user Sign in",
+        });
+    }
+
+});
+
+router.get('/logoff', function(req, res) {
+    servers.forEach(function(server) {
+        if (server.user == req.session.user) {
+            server.server.exit(0);
+            servers.delete(server);    
+        }
+    })
+    delete req.session.user;
+    res.redirect('/');
+})
+
+router.post('/', function(req, res) {
+    let query = {
+        name: req.body.name,
+        password: req.body.password
+    };
+    User.findOne(query, function(err, user) {
+        if (err) {
+            res.end("some thing wrong")
+            return console.log(err);
+        }
+        if (user != undefined) {
+            req.session.user = user;
+            // return res.render('home', {
+            //     title: "HOME",
+            //     user: req.session.user
+            // });
+            return res.redirect('/');
+        }
+        else {
+            return res.render('home-signin', {
+                title: "Sorry, no this user",
+                user: req.session.user
+            })
+        }
+    });
+});
+
+router.get('/signup', function(req, res) {
+    res.render('home-signup', {
+        user: req.session.user,
+        title: "user Sign up",
+    });
+});
+
+router.post('/signup', function(req, res) {
+    User.find({name: req.body.name}, function(err, find) {
+        if (find.length) {
+            console.log(find);
+            res.render("home-signup", {
+                user: req.session.user,
+                title: "Same User Name - plz try again",
+            });
+        }
+        else {
+            let user = new User();
+
+            console.log(user);
+            user.name = req.body.name;
+            user.password = req.body.password;
+
+            user.save(function(err) {
+                if (err) {
+                    res.end("some thing wrong");
+                    return console.log(err);
+                }
+                req.session.user = user;
+                res.redirect('/');
+            });
+        }
+    });
+});
+
+
+module.exports = router;
\ No newline at end of file
diff --git a/views/home-layout.pug b/views/home-layout.pug
index a0fa471..766f68f 100644
--- a/views/home-layout.pug
+++ b/views/home-layout.pug
@@ -1,15 +1,15 @@
 extends layout
 
-block page-nav
-    li.nav-item
-        a.nav-link(href="/contest")
-            | Contest 
-    li.nav-item
-        a.nav-link(href="/file")
-            |File
-    li.nav-item
-        a.nav-link(href="/picture")
-            |Picture
-    li.nav-item
-        a.nav-link(href="/danmu")
-            |Danmu
+//- block page-nav
+//-     li.nav-item
+//-         a.nav-link(href="/contest")
+//-             | Contest 
+//-     li.nav-item
+//-         a.nav-link(href="/file")
+//-             |File
+//-     li.nav-item
+//-         a.nav-link(href="/picture")
+//-             |Picture
+//-     li.nav-item
+//-         a.nav-link(href="/danmu")
+//-             |Danmu
diff --git a/views/home-signup.pug b/views/home-signup.pug
index 59c67a9..5df5607 100644
--- a/views/home-signup.pug
+++ b/views/home-signup.pug
@@ -8,9 +8,9 @@ block content
         #form-group
             label 密码:
             input.form-control(name='password', type='password') 
-        #form-gruop
-            lable 是否教师身份注册：
-            input.form-control#form-control-checkbox(name='type', type='checkbox')
+        //- #form-gruop
+        //-     lable 是否教师身份注册：
+        //-     input.form-control#form-control-checkbox(name='type', type='checkbox')
         br
         input.btn.btn-primary(type='submit', value='Sign up')
 
diff --git a/views/home.pug b/views/home.pug
index 3828564..51e1ad3 100644
--- a/views/home.pug
+++ b/views/home.pug
@@ -1,5 +1,4 @@
 extends home-layout
 
 block content
-    p Hello #{user.name} !
-    p You are a #{user.type} in this website.
\ No newline at end of file
+    p Hello #{user.name} !
\ No newline at end of file
diff --git a/views/layout.pug b/views/layout.pug
index 612e265..9ad237c 100644
--- a/views/layout.pug
+++ b/views/layout.pug
@@ -21,21 +21,21 @@ html
 
             nav#sidebarMenu.col-md-3.col-lg-2.d-md-block.bg-light.sidebar.collapse
                 .sidebar-sticky.pt-3
-                    ul.nav.flex-column
-                        li.nav-item
-                            .nav-link.active(href="#")
-                                | WEB-ASSIGNMENT
-                                span.sr-only (current)
-                        li.nav-item
-                            a.nav-link(href="/")
-                                h4 Home
-                        hr
-                        block page-nav
+                    //- ul.nav.flex-column
+                    //-     li.nav-item
+                    //-         .nav-link.active(href="#")
+                    //-             | WEB-ASSIGNMENT
+                    //-             span.sr-only (current)
+                    //-     li.nav-item
+                    //-         a.nav-link(href="/")
+                    //-             h4 Home
+                    //-     hr
+                    //-     block page-nav
                     hr
                     if user != undefined
-                        p welcome #{user.name}, you are a #{user.type}
+                        p welcome #{user.name}
                     else 
-                        p who you are ?
+                        p who are you ?