diff --git a/README.md b/README.md
index b27212c..f135a8e 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ educoder微信小程序，帮助使用[educoder平台](https://www.educoder.net)
 [https://github/jinke18/smart_class](https://github.com/jinke18/smart_class)
 
 ## 小程序码
-![小程序码](/images/weapp_code.png)
+![小程序码](/images/weapp_code_smart_class.png)
 
 # 功能介绍
 
diff --git a/app.js b/app.js
index eba7a07..fa60ed7 100644
--- a/app.js
+++ b/app.js
@@ -8,7 +8,6 @@ const AV = require('./lib/av-live-query-weapp-min');
 const Towxml = require('/towxml/main');
 const login = require("./model/user");
 
-//初始化
 AV.init({
     appId: 'eVHYNBdT5D2lDxNj5jtJXsWT-MdYXbMMI',
     appKey: 'waM3bwf1ftpsMLjRBqqVyJIQ',
@@ -53,11 +52,12 @@ App({
           console.warn("app.js: get user info fail");
         }
       }).then(()=>{
-        login().then(user=>{
-          user.addUnique("edu_account_real_names", this.client.current_user.real_name);
-          user.addUnique("edu_account_names", this.client.current_user.name);
-          user.addUnique("edu_account_logins", this.client.current_user.login);
-          user.save();
+        login().then(localuser=>{
+          //save for autologin
+          localuser.addUnique("edu_account_real_names", this.client.current_user.real_name);
+          localuser.addUnique("edu_account_names", this.client.current_user.name);
+          localuser.addUnique("edu_account_logins", this.client.current_user.login);
+          localuser.set("cookies", this.client.session.cookies).save();
         });
       });
     }
diff --git a/data/eduapi.js b/data/eduapi.js
index 428e71f..5442540 100644
--- a/data/eduapi.js
+++ b/data/eduapi.js
@@ -228,13 +228,21 @@ export class Course{
             method:"POST",
             data: data,
             success: res=>{
-                if("status" in res.data && res.data.status<0){
-                    fail(new Error(res.data.message));
+              if ("status" in res.data) {
+                switch(res.data.status) {
+                  case 402:
+                    fail(new Error(res.data.message || "请完善个人信息后重试"));
                     return;
+                  default:
+                    if (res.data.status < 0) {
+                      fail(new Error(res.data.message));
+                      return;
+                    }
                 }
                 if(typeof success == "function"){
                     success(res);
                 }
+              }
             },
             fail: fail,
             complete: complete
diff --git a/data/requests.js b/data/requests.js
index 6c3e5a7..1fcc2e2 100644
--- a/data/requests.js
+++ b/data/requests.js
@@ -11,7 +11,6 @@ import {Cookie} from "./cookie";
 export class Session {
   cookies = {}
   constructor(){
-
   }
   set_cookie(cookie){
     this.cookies[cookie.key] = cookie;
@@ -23,7 +22,6 @@ export class Session {
   request({url, data, header, method, dataType, responseType, success, fail, complete}) {
     console.log("request data and headers: ");
     console.log({url: url, data: data, header: {...header, "Cookie": this.cookie_str}, method: method, dataType: dataType, responseType: responseType})
-
     return wx.request({
       url: url,
       data: data,
diff --git a/lib/live-query-binding.js b/lib/live-query-binding.js
index 2dba462..7a1c46b 100644
--- a/lib/live-query-binding.js
+++ b/lib/live-query-binding.js
@@ -2,10 +2,12 @@ module.exports = (subscription, initialStats, onChange) => {
   console.log("query_bingding");
   let stats = [...initialStats]
   const remove = value => {
+    console.log("remove");
     stats = stats.filter(target => target.id !== value.id)
     return onChange(stats)
   }
   const upsert = value => {
+    console.log("upsert");
     let existed = false;
     stats = stats.map(target => (target.id === value.id ? ((existed = true), value) : target))
     if (!existed) stats = [...stats,value]
diff --git a/pages/about/about.js b/pages/about/about.js
index 4bbfd63..7d8d5f0 100644
--- a/pages/about/about.js
+++ b/pages/about/about.js
@@ -6,7 +6,7 @@ Page({
   /**
    * 页面的初始数据
    */
-  md: '# 简介\neducoder微信小程序，帮助使用[educoder平台](https://www.educoder.net)的应用，方便在手机上使用。利用educoder网站的API搭建\n\n## 源码\n[https://github/jinke18/smart_class](https://github.com/jinke18/smart_class)\n\n## 小程序码\n![小程序码](/images/weapp_code.png)\n\n# 功能介绍\n\n## 教室\n- 学员可以输入邀请码进入课堂\n\n- 进入教室界面会显示在位，头像为彩色，若退出课堂界面则会显示灰色头像\n\n- 教员在教室界面中可以直观地看到学员在位情况，可以选择学员让其起立回答问题，并且对学员可以进行加分、减分操作\n\n- 在分数列表中可以看到加减分记录（数据在后台可以导出）\n\n- 学员可以收到教员让其起立提问、回答的提示，还可以点击“我要提问、回答”\n\n- 教室内有讨论区，可以交流\n\n## 课程资源\n\n- 在课程界面进入“资源”可以查看本课堂的课程文件资源\n\n- 支持打开ppt doc xls pdf文件\n\n## 试卷作答\n\n- 学员在课程内可以看到老师发布的试卷，并且回答\n\n- 试卷截止后并且老师选择了公开答案，学生可以看到公布的答案\n\n- 老师可以创建试卷，发布试卷，查看学员作答分数(developing)\n\n## 其他\n账号的注册、登陆、找回密码、头像更改等\n\n# 实现\n## educoder平台接入\n使用HTTP与平台的api接口交互\n\n接口列表如下\n- 搜索课堂https://www.educoder.net/api/courses.json\n\n- 查询用户的课堂https://www.educoder.net/api/users/<user_id>/courses.json\n\n- 查询学校https://www.educoder.net/api/schools/school_list.json\n\n- 新建课堂https://www.educoder.net/api/courses.json\n\n- 加入课堂https://www.educoder.net/api/courses/apply_to_join_course.json\n\n- 新建试卷https://www.educoder.net/api/courses/<course_id>/exercises/new.json\n\n- 查询试卷https://www.educoder.net/api/courses/<course_id>/exercises.json\n\n- 班级文件资源https://www.educoder.net/api/files.json\n\n# 教室学员在位情况及分数的同步实现\n使用了[leancloud](https://www.leancloud.cn/)提供的javascript开发包实现数据同步功能, 如学员在位情况、分数的同步, 其底部技术为websocket'
+  md: '# 简介\n## 源码\n[https://github/jinke18/smart_class](https://github.com/jinke18/smart_class)\n\n## 小程序码\n![小程序码](/images/weapp_code_smart_class.jpg)\n\n# 功能介绍\n\n## 教室\n- 学员可以输入邀请码进入课堂\n\n- 进入教室界面会显示在位，头像为彩色，若退出课堂界面则会显示灰色头像\n\n- 教员在教室界面中可以直观地看到学员在位情况，可以选择学员让其起立回答问题，并且对学员可以进行加分、减分操作\n\n- 在分数列表中可以看到加减分记录（数据在后台可以导出）\n\n- 学员可以收到教员让其起立提问、回答的提示，还可以点击“我要提问、回答”\n\n- 教室内有讨论区，可以交流\n\n## 课程资源\n\n- 在课程界面进入“资源”可以查看本课堂的课程文件资源\n\n- 支持打开ppt doc xls pdf文件\n\n## 试卷作答\n\n- 学员在课程内可以看到老师发布的试卷，并且回答\n\n- 试卷截止后并且老师选择了公开答案，学生可以看到公布的答案\n\n- 老师可以创建试卷，发布试卷，查看学员作答分数\n\n## 其他\n账号的注册、登陆、找回密码、头像更改等\n\n# 实现\n## educoder平台接入\n使用HTTP与平台的api接口交互\n\n接口列表如下\n- 搜索课堂https://www.educoder.net/api/courses.json\n\n- 查询用户的课堂https://www.educoder.net/api/users/<user_id>/courses.json\n\n- 查询学校https://www.educoder.net/api/schools/school_list.json\n\n- 新建课堂https://www.educoder.net/api/courses.json\n\n- 加入课堂https://www.educoder.net/api/courses/apply_to_join_course.json\n\n- 新建试卷https://www.educoder.net/api/courses/<course_id>/exercises/new.json\n\n- 查询试卷https://www.educoder.net/api/courses/<course_id>/exercises.json\n\n- 班级文件资源https://www.educoder.net/api/files.json\n\n# 教室学员在位情况及分数的同步实现\n使用了[leancloud](https://www.leancloud.cn/)提供的javascript开发包实现数据同步功能, 如学员在位情况、分数的同步, 其底部技术为websocket'
 ,
 
   data: {
diff --git a/pages/classroom/classroom.js b/pages/classroom/classroom.js
index 75ec089..8eab97d 100644
--- a/pages/classroom/classroom.js
+++ b/pages/classroom/classroom.js
@@ -18,7 +18,7 @@ Page({
     select_stu_login:"",
     message_text: "",
     messages: [],
-    show_conversation: true
+    show_conversation: false
   },
   enter_mark_detail({currentTarget:{dataset}}){
     wx.navigateTo({
@@ -67,6 +67,7 @@ Page({
     console.log("close conversation");
     console.log(event);
     this.setData({show_conversation: false});
+    console.log(this.data);
     this.messageSubscription.unsubscribe();
     this.messageUnbind();
   },
@@ -233,8 +234,7 @@ Page({
           })
         });
     });
-    
-    this.pull_messages();
+  //this.pull_messages();
   },
 
   /**
@@ -271,8 +271,8 @@ Page({
     console.log("onUnload");
     this.presenceSubscription.unsubscribe();
     this.presenceUnbind();
-    this.messageSubscription.unsubscribe();
-    this.messageUnbind();
+    //this.messageSubscription.unsubscribe();
+    //this.messageUnbind();
   },
 
   /**
@@ -303,7 +303,7 @@ Page({
           })
           });
     });
-    this.pull_messages();
+    //this.pull_messages();
   },
 
   /**
diff --git a/pages/classroom/classroom.wxml b/pages/classroom/classroom.wxml
index 2ec72bb..882e569 100644
--- a/pages/classroom/classroom.wxml
+++ b/pages/classroom/classroom.wxml
@@ -1,8 +1,8 @@
 <movable-area bindtap="select_stu" data-login="">
   <view class="classroom">
   <movable-view wx:if="{{show_conversation&&!loading}}"  direction="all" y="{{240}}">
-    <myicon type="close" class="close" bindtap="close_conversation"></myicon>
-    <scroll-view wx:if="{{show_conversation}}" scroll-y="{{true}}" class="message-list">
+    <scroll-view scroll-y="{{true}}" class="message-list">
+      <myicon type="close" class="close" bindtap="close_conversation"></myicon>
       <block wx:for="{{messages}}" wx:for-item="message" wx:key="objectId">
         <view class="message flex-wrap">
           <text>{{message.sender_name}}：</text><text>{{message.text}}</text>
diff --git a/pages/course_invite/course_invite.js b/pages/course_invite/course_invite.js
index b77baea..1fb5c2a 100644
--- a/pages/course_invite/course_invite.js
+++ b/pages/course_invite/course_invite.js
@@ -31,7 +31,7 @@ Page({
           wx.showToast({
             title: res.data.message
           })
-          wx.navigateTo({
+          wx.redirectTo({
             url: "../course/course?course_id=" + res.data.course_id
           });
         })
@@ -42,7 +42,6 @@ Page({
           });
           console.warn(error);
         })
-
     },
 
   /**
diff --git a/pages/course_invite/course_invite.wxml b/pages/course_invite/course_invite.wxml
index d4b8c42..1d4462a 100644
--- a/pages/course_invite/course_invite.wxml
+++ b/pages/course_invite/course_invite.wxml
@@ -6,8 +6,8 @@
     <text style="font-size:24px;">{{course_name}}\n</text>
   </view>
   <view style="text-align:center;">
-    <button type="primary" wx:if="{{current_time<=deadline}}" bindtap="join_course">加入
+    <button type="primary" disabled="{{current_time>deadline}}" bindtap="join_course">加入
     </button>
-    <view class="error" disabled="{{current_time>deadline}}">该邀请链接已失效</view>
+    <view class="error" wx:if="{{current_time>deadline}}">该邀请链接已失效</view>
   </view>
 </view>
diff --git a/pages/exercise/exercise.wxml b/pages/exercise/exercise.wxml
index 1e4f6e4..4d035b0 100644
--- a/pages/exercise/exercise.wxml
+++ b/pages/exercise/exercise.wxml
@@ -28,14 +28,6 @@
           </block>
         </checkbox-group>
       </view>
-      <!--view wx:elif="{{question.question_type==2}}">
-        <radio-group class="choices" bindchange="answer_choice_question" data-question_id="{{question.question_id}}">       
-          <radio class="choice" disabled="{{exercise.user_exercise_status==1 || exercise.user_exercise_status==4}}"  wx:for="{{question.question_choices}}" wx:for-item="choice" wx:key="choice_id" checked="{{choice.user_answer_boolean}}" value="{{choice.choice_id}}">
-            <text class="choice-text">{{choice.choice_text}}</text>
-            <text wx:if="{{choice.standard_boolean}}" class="error standard-choice">正确答案</text>
-          </radio>
-        </radio-group>
-      </view-->
       <view wx:elif="{{question.question_type==3}}">
         <block wx:for="{{question.null_inputs}}" wx:for-item="null_input">
         <view class="null-input flex-wrap">
diff --git a/pages/exercise_result/exercise_result.js b/pages/exercise_result/exercise_result.js
index 7b6fcd1..02db148 100644
--- a/pages/exercise_result/exercise_result.js
+++ b/pages/exercise_result/exercise_result.js
@@ -16,7 +16,6 @@ Page({
    */
   onLoad: function (options) {
     this.exercise_id = options.exercise_id;
-    this.exercise_id = 2996;
   },
 
   /**
diff --git a/pages/findmore/findmore.wxss b/pages/findmore/findmore.wxss
index db61ecd..6447a72 100644
--- a/pages/findmore/findmore.wxss
+++ b/pages/findmore/findmore.wxss
@@ -65,4 +65,4 @@ text.name{
   text-align:center;
   padding: 12px 0;
 }
-/**动画*/
+
diff --git a/pages/login/login.js b/pages/login/login.js
index ee6000a..296cb2c 100644
--- a/pages/login/login.js
+++ b/pages/login/login.js
@@ -1,4 +1,6 @@
 // pages/login/login.js
+const AV = require('../../lib/av-live-query-weapp-min');
+const {jsonify} = require('../../utils/leancloudutils');
 const app = getApp();
 
 Page({
@@ -63,6 +65,23 @@ Page({
       }
     })
   },
+  login_test_account({currentTarget:{dataset}}){
+    console.log(dataset);
+    const {login, password} = dataset;
+    this.setData({login,password});
+    this.login();
+  },
+  pull_test: function(){
+    let query = new AV.Query("MetaData");
+    query.find().then(metadatas=>{
+      this.setData({metadata: metadatas[0].toJSON()})
+    });
+    let test_query = new AV.Query("TestAccount")
+    test_query.find()
+    .then(accounts=>{
+      this.setData(jsonify({accounts}));
+    })
+  },
   /**
    * 生命周期函数--监听页面加载
    */
@@ -91,7 +110,7 @@ Page({
    * 生命周期函数--监听页面显示
    */
   onShow: function () {
-
+    this.pull_test();
   },
 
   /**
diff --git a/pages/login/login.wxml b/pages/login/login.wxml
index 9599937..3f70fc6 100644
--- a/pages/login/login.wxml
+++ b/pages/login/login.wxml
@@ -26,6 +26,13 @@
     </view>
     <button class="login-submit" type="primary" bindtap="login" bindlongpress="login_test">登陆</button>
   </view>
-  <navigator class="tappable register" url="../register/register" open-type="redirect">注册</navigator>
-  <navigator class="tappable reset_password" url="../reset_password/reset_password?login={{login}}" open-type="redirect">忘记密码</navigator>
+  <view style="height:36px;">
+    <navigator class="tappable register" url="../register/register" open-type="redirect">注册</navigator>
+    <navigator class="tappable reset_password" url="../reset_password/reset_password?login={{login}}" open-type="redirect">忘记密码</navigator>
+  </view>
+  <view class="test_accounts" wx:if="{{metadata.show_test_account}}" style="text-align:center;">
+    <block wx:for="{{accounts}}" wx:for-item="account">
+      <button bindtap="login_test_account" data-login="{{account.login}}" data-password="{{account.password}}">登陆测试账号{{account.name||index}}</button>
+    </block>
+  </view>
 </view>