diff --git a/package.json b/package.json
index bc6efbb..2f44883 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
     "axios": "^0.21.1",
     "cra-template": "1.1.2",
     "dotenv": "^10.0.0",
+    "qs": "^6.10.1",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "react-scripts": "4.0.3",
diff --git a/public/image/user.jpg b/public/image/user.jpg
new file mode 100644
index 0000000..70c639e
Binary files /dev/null and b/public/image/user.jpg differ
diff --git a/src/App.css b/src/App.css
index a3a1b19..593f7a0 100644
--- a/src/App.css
+++ b/src/App.css
@@ -5,6 +5,7 @@ a.btn {
   color: white !important;
   border-radius: .3em;
   padding: .375em 0;
+  line-height: 1.5em;
   font-size: 1.1em;
   cursor: pointer;
   transition: filter .3s ease-out;
@@ -14,7 +15,7 @@ a.btn {
 }
 .btn:disabled {
   cursor: not-allowed;
-  filter: grayscale(100%);
+  filter: grayscale(100%) opacity(.5);
 }
 .btn:active {
   color: white !important;
@@ -57,4 +58,19 @@ button.btn {
 .btn-straight {
   border-radius: .15em;
   width: 6em;
-}
\ No newline at end of file
+}
+
+.sdu,
+.user {
+  height: 100%;
+  display: flex;
+  align-items: center;
+}
+.sdu-logo,
+.user-logo {
+  height: 100%;
+}
+.sdu-name {
+  height: 30px;
+  margin-left: 10px;
+}
diff --git a/src/App.js b/src/App.js
index 74f0baf..62e5dcf 100644
--- a/src/App.js
+++ b/src/App.js
@@ -1,21 +1,43 @@
 import './App.css';
-import { Route, SingleRouter } from './components/SingleRouter/SingleRouter';
+import { Redirect, Route, SingleRouter } from './components/SingleRouter/SingleRouter';
 import { AppContainer } from './index/index';
 import { UploadContainer } from './upload/upload';
 import { LogInContainer } from './login/login';
 import { ReviewContainer } from './review/review';
-import History from './helper/history';
+import { Component } from 'react';
+import { UserContext } from './helper/Context';
 
-function App() {
-  // TODO check login
-  return (
-    <SingleRouter history={History}>
-      <Route path="/" component={AppContainer} />
-      <Route path="/upload" component={UploadContainer} />
-      <Route path="/login" component={LogInContainer} />
-      <Route path="/review" component={ReviewContainer} />
-    </SingleRouter>
-  );
+class App extends Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      name: '',
+      role: -1
+    };
+    this.setUserData = this.setUserData.bind(this);
+  }
+
+  setUserData({ name, role }) {
+    this.setState({ name, role });
+  }
+
+  render() {
+    return (
+      <UserContext.Provider value={{ userData: this.state, setUserData: this.setUserData }}>
+        <SingleRouter>
+          <Route path="/" component={AppContainer} />
+          <Route path="/upload" component={UploadContainer} />
+          <Route path="/login" component={LogInContainer} />
+          <Route path="/review" component={ReviewContainer} />
+          <Route component={CheckLogIn} />
+        </SingleRouter>
+      </UserContext.Provider>
+    );
+  }
+}
+
+function CheckLogIn() {
+  return localStorage.getItem('jwt') ? null : <Redirect from={/^\/.*/} to="/login" />;
 }
 
 export default App;
diff --git a/src/components/Spinner/spinner.css b/src/components/Spinner/spinner.css
index daab551..92481c2 100644
--- a/src/components/Spinner/spinner.css
+++ b/src/components/Spinner/spinner.css
@@ -1,6 +1,6 @@
 .spinner {
-  width: 20px;
-  height: 20px;
+  width: 1.5em;
+  height: 1.5em;
   margin: 0 auto;
 }
 .spinner > svg {
diff --git a/src/components/UserControl/UserControl.js b/src/components/UserControl/UserControl.js
new file mode 100644
index 0000000..bda17fc
--- /dev/null
+++ b/src/components/UserControl/UserControl.js
@@ -0,0 +1,53 @@
+import './userControl.css';
+import { images } from '../../resources.json';
+import { UserContext } from '../../helper/Context';
+import Spinner from '../Spinner/Spinner';
+import { get } from '../../helper/axios';
+import { apis } from '../../helper/apis';
+import { alert } from '../../helper/alert';
+
+export default function UserControl(props) {
+  return (
+    <UserContext.Consumer>
+      {({ userData, setUserData }) => (
+        userData.role === 2
+        ? (
+          <div className="user">
+            <button
+              className="btn btn-hollow btn-straight"
+              onClick={() => setUserData({ role: -1, name: '' })}
+            >退出审核</button>
+          </div>
+        ) : (
+          <div className="user">
+            {
+              userData.role === -1
+              ? (
+                <Spinner />
+              ) : (
+                <div className="user-avatar">
+                  <img src={images.avatar} alt="user avatar" />
+                </div>
+              )
+            }
+            <div className="user-name">{userData.name || "加载中"}</div>
+            {
+              (() => {
+                if (userData.role !== -1) return null;
+                get(apis.getProfile).then(({ data, status, networkStatus }) => {
+                  if (networkStatus !== 200) return;
+                  if (!status) return alert('获取用户信息失败：' + data + '，请稍候刷新再试');
+                  setUserData({
+                    name: data.realName,
+                    role: data.role
+                  });
+                });
+                return null;
+              })()
+            }
+          </div>
+        )
+      )}
+    </UserContext.Consumer>
+  );
+}
\ No newline at end of file
diff --git a/src/components/UserControl/userControl.css b/src/components/UserControl/userControl.css
new file mode 100644
index 0000000..b014fe7
--- /dev/null
+++ b/src/components/UserControl/userControl.css
@@ -0,0 +1,19 @@
+.user-name {
+  height: 100%;
+  font-size: 18px;
+  height: 50px;
+  line-height: 50px;
+  color: white;
+  margin-left: 10px;
+}
+
+.user-avatar {
+  width: 40px;
+  height: 40px;
+}
+
+.user-avatar > img {
+  border-radius: 50%;
+  width: 100%;
+  height: 100%;
+}
\ No newline at end of file
diff --git a/src/helper/Context.js b/src/helper/Context.js
new file mode 100644
index 0000000..92e7865
--- /dev/null
+++ b/src/helper/Context.js
@@ -0,0 +1,3 @@
+import { createContext } from "react";
+
+export const UserContext = createContext({});
\ No newline at end of file
diff --git a/src/helper/axios.js b/src/helper/axios.js
index ef983ff..454c358 100644
--- a/src/helper/axios.js
+++ b/src/helper/axios.js
@@ -1,11 +1,13 @@
 import axios from 'axios';
 import { failed } from './alert';
+import qs from 'qs';
+import History from './history';
 
 export function get(url) {
   return send(
     axios.get(url, {
       headers: {
-        Authorization: 'Bearer ' + localStorage.getItem('jwt'),
+        Authorization: localStorage.getItem('jwt'),
         "Allow-Control-Allow-Origin": "*"
       }
     }),
@@ -14,9 +16,9 @@ export function get(url) {
 }
 export function post(url, data) {
   return send(
-    axios.post(url, data, {
+    axios.post(url, qs.stringify(data), {
       headers: {
-        Authorization: 'Bearer ' + localStorage.getItem('jwt'),
+        Authorization: localStorage.getItem('jwt'),
         "Allow-Control-Allow-Origin": "*"
       }
     }),
@@ -33,6 +35,7 @@ async function send(xhr, retryFunc) {
   }
   try {
     const { data } = await xhr;
+    console.log("recv: ", data);
     return {
       ...data,
       networkStatus: 200
@@ -43,16 +46,16 @@ async function send(xhr, retryFunc) {
       networkStatus: err?.response?.status ?? -1,
       status: false
     };
+    if (err?.response?.status === 401) {
+      History.force('/login');
+      return failData;
+    }
     waitToSend.push(retryFunc);
     if (err.message === 'Network Error')
       return await failed('您的设备似乎断网了，请检查网络后重试或刷新', flushWaitList) || failData;
-    else if (err?.response?.status === 401)
-      History.force('/login');
-    else if (err?.response?.status === 504)
+    if (err?.response?.status === 504)
       return await failed('请求超时，请耐心等待几秒后重试或刷新', flushWaitList) || failData;
-    else
-      return await failed('服务器出现问题，请稍后重试或刷新', flushWaitList) || failData;
-    return failData;
+    return await failed('服务器出现问题，请稍后重试或刷新', flushWaitList) || failData;
   }
 }
 
diff --git a/src/login/login.js b/src/login/login.js
index fc20626..d3f5b7d 100644
--- a/src/login/login.js
+++ b/src/login/login.js
@@ -1,4 +1,8 @@
 import { Component } from 'react';
+import { apis } from '../helper/apis';
+import { post } from '../helper/axios';
+import History from '../helper/history';
+import Spinner from '../components/Spinner/Spinner';
 import './login.css';
 
 export class LogInContainer extends Component {
@@ -7,6 +11,7 @@ export class LogInContainer extends Component {
     this.state = {
       username: '',
       password: '',
+      processing: false,
       error: false,
       errorMessage: '',
     };
@@ -20,40 +25,57 @@ export class LogInContainer extends Component {
   handleSubmit(e) {
     e.preventDefault();
     const { username, password } = this.state;
-    this.props.login(username, password);
+    if (!username)
+      return this.setState({ error: true, errorMessage: '学号不能为空' });
+    if (!password)
+      return this.setState({ error: true, errorMessage: '密码不能为空' });
+    if (!username.match(/^\d*$/))
+      return this.setState({ error: true, errorMessage: '学号必须为数字' });
+    this.setState({ processing: true });
+    post(apis.login, { username, password }).then(({ data, status, networkStatus }) => {
+      this.setState({ processing: false });
+      if (networkStatus !== 200) return;
+      if (!status) return this.setState({ error: true, errorMessage: data });
+      localStorage.setItem('jwt', data);
+      History.replace('/');
+    });
   }
 
   render() {
-    const { error, errorMessage } = this.state;
+    const { error, errorMessage, processing } = this.state;
     return (
       <div className="login">
-        <h1>Login</h1>
+        <h1>登录</h1>
         <form onSubmit={this.handleSubmit.bind(this)}>
           <div className="form-group">
-            <label htmlFor="username">Username</label>
             <input
               type="text"
               name="username"
               className="form-control"
-              placeholder="Username"
+              placeholder="学号"
               onChange={this.handleChange.bind(this)}
             />
           </div>
           <div className="form-group">
-            <label htmlFor="password">Password</label>
             <input
               type="password"
               name="password"
               className="form-control"
-              placeholder="Password"
+              placeholder="密码"
               onChange={this.handleChange.bind(this)}
             />
           </div>
-          <button type="submit" className="btn btn-primary">
-            Login
+          <button type="submit" className="btn btn-straight btn-sdu" disabled={processing || !this.state.username || !this.state.password}>
+            {
+              processing
+              ? (
+                <Spinner />
+              )
+              : "登录"
+            }
           </button>
           {error &&
-            <div className="alert alert-danger">
+            <div className={"alert"}>
               {errorMessage}
             </div>}
         </form>
diff --git a/src/resources.json b/src/resources.json
index b43a718..a1589c4 100644
--- a/src/resources.json
+++ b/src/resources.json
@@ -2,6 +2,7 @@
   "images": {
     "poster": "image/poster.jpg",
     "icon": "image/sdu_icon.png",
-    "name": "image/sdu_name.png"
+    "name": "image/sdu_name.png",
+    "avatar": "image/user.jpg"
   }
 }
\ No newline at end of file
diff --git a/src/upload/upload.css b/src/upload/upload.css
index f565873..e4c367c 100644
--- a/src/upload/upload.css
+++ b/src/upload/upload.css
@@ -8,26 +8,6 @@
   background-color: #9D0004;
 }
 
-.sdu,
-.user {
-  height: 100%;
-  display: flex;
-  align-items: center;
-}
-.sdu-logo,
-.user-logo {
-  height: 100%;
-}
-.sdu-name {
-  height: 40px;
-  margin-left: 10px;
-}
-.user-name {
-  height: 100%;
-  line-height: 60px;
-  font-size: 24px;
-}
-
 .content {
   width: 800px;
   margin: 0 auto;
diff --git a/src/upload/upload.js b/src/upload/upload.js
index f4e87b5..3e2d832 100644
--- a/src/upload/upload.js
+++ b/src/upload/upload.js
@@ -7,6 +7,7 @@ import { alert } from '../helper/alert';
 import { images } from '../resources.json';
 
 import './upload.css';
+import UserControl from '../components/UserControl/UserControl';
 
 export class UploadContainer extends Component {
   constructor(props) {
@@ -60,10 +61,7 @@ export class UploadContainer extends Component {
             <img src={images.icon} className="sdu-logo" alt="logo" />
             <img src={images.name} className="sdu-name" alt="" />
           </div>
-          <div className="user">
-            <img src="" className="user-avatar" alt="avatar" />
-            <div className="user-name"></div>
-          </div>
+          <UserControl />
         </div>
         <div className="content">
           <div className="message-box">