diff --git a/miniprogram/config.js b/miniprogram/config.js
index 531f700..b1dddc6 100644
--- a/miniprogram/config.js
+++ b/miniprogram/config.js
@@ -5,10 +5,12 @@ const developUrl = "https://test-newweb.educoder.net";
 const trialUrl = "https://pre-newweb.educoder.net";
 const releaseUrl = "https://www.educoder.net";
 
-let _version = "0.14.3";
+let _version = "0.14.4";
 var eduUrl = releaseUrl;
 /**
- * 
+ * A 使用we-ui扩展库
+ * U 课堂界面优化更改
+ * U 加入课堂对话框界面优化
  */
 
 export function switchEnv(env) {
diff --git a/miniprogram/course/components/muti-progress/muti-progress.js b/miniprogram/course/components/muti-progress/muti-progress.js
new file mode 100644
index 0000000..733aa0a
--- /dev/null
+++ b/miniprogram/course/components/muti-progress/muti-progress.js
@@ -0,0 +1,34 @@
+
+Component({
+  properties: {
+    "show_info":{
+      type:Boolean,
+      value: false
+    },
+    "border_radius":Number,
+    "font_size":{
+      type:Number,
+       value:16
+    },
+    "stroke_width":{
+      type:Number,
+      value:6
+    },
+    backgroundColor:{
+      type:String,
+      value:"#EBEBEB"
+    },
+    value:Array
+  },
+
+  data: {
+
+  },
+  attached(){
+    this.setData({data:JSON.stringify(this.data)});
+    console.log(this.data);
+  },
+  methods: {
+
+  }
+})
diff --git a/miniprogram/course/components/muti-progress/muti-progress.json b/miniprogram/course/components/muti-progress/muti-progress.json
new file mode 100644
index 0000000..e8cfaaf
--- /dev/null
+++ b/miniprogram/course/components/muti-progress/muti-progress.json
@@ -0,0 +1,4 @@
+{
+  "component": true,
+  "usingComponents": {}
+}
\ No newline at end of file
diff --git a/miniprogram/course/components/muti-progress/muti-progress.wxml b/miniprogram/course/components/muti-progress/muti-progress.wxml
new file mode 100644
index 0000000..45dfb4f
--- /dev/null
+++ b/miniprogram/course/components/muti-progress/muti-progress.wxml
@@ -0,0 +1,6 @@
+<view class="progress-wrap">
+	<view class="progress-container" style="border-radius:{{border_radius}}px;font-size:{{font_size}}px;background:{{backgroundColor}};height:{{stroke_width}}px">
+		<view wx:for="{{value}}" style="background:{{item.color}};z-index:{{item.z-index||index}};width:{{item.percent}}%" class="progress-item"></view>
+	</view>
+	<slot />
+</view>
\ No newline at end of file
diff --git a/miniprogram/course/components/muti-progress/muti-progress.wxss b/miniprogram/course/components/muti-progress/muti-progress.wxss
new file mode 100644
index 0000000..92070be
--- /dev/null
+++ b/miniprogram/course/components/muti-progress/muti-progress.wxss
@@ -0,0 +1,14 @@
+.progress-wrap{
+  display: flex;
+  flex-direction: column;
+}
+.progress-container{
+  flex: auto;
+  position: relative;
+  overflow: hidden;
+}
+
+.progress-item{
+  position: absolute;
+  height: 100%;
+}
\ No newline at end of file
diff --git a/miniprogram/course/modules/exercise/exercise.wxss b/miniprogram/course/modules/exercise/exercise.wxss
index e3ef4f7..9a8a0e2 100644
--- a/miniprogram/course/modules/exercise/exercise.wxss
+++ b/miniprogram/course/modules/exercise/exercise.wxss
@@ -22,5 +22,5 @@ image.no-content{
 }
 
 .exercise-item{
-  margin: 4px 10px;
+  margin: 10px;
 }
\ No newline at end of file
diff --git a/miniprogram/course/modules/exercise/exercise_item/exercise_item.wxml b/miniprogram/course/modules/exercise/exercise_item/exercise_item.wxml
index 6f11ce6..c12f372 100644
--- a/miniprogram/course/modules/exercise/exercise_item/exercise_item.wxml
+++ b/miniprogram/course/modules/exercise/exercise_item/exercise_item.wxml
@@ -1,11 +1,11 @@
 <view class="exercise-item" bindtap="onTap">
-  <view class="title">
-    <text>{{data.exercise_name}}</text>
+  <view>
+    <text class="title">{{data.exercise_name}}</text><text class="tip" style="{{item=='已截止'||item=='已结束'?'background:#FC2B6A':''}}" wx:for="{{data.exercise_tips}}">{{item}}</text>
   </view>
   <view class="status">
     <text wx:if="{{data.exercise_left_time}}" class="left-time">还剩{{data.exercise_left_time}}截止</text>
   </view>
-  <view>
-    <text class="tip" wx:for="{{data.exercise_tips}}">{{item}}</text>
+  <view wx:if="{{data.exercise_status>1}}">
+    <progress border-radius="8" percent="{{data.exercise_answer/(data.exercise_answer+data.exercise_unanswer)*100}}" activeColor="#00b0f0" backgroundColor="lightgrey"><text class="commit-text">完成:{{data.exercise_answer}}/{{data.exercise_answer+data.exercise_unanswer}}</text></progress>
   </view>
 </view>
\ No newline at end of file
diff --git a/miniprogram/course/modules/exercise/exercise_item/exercise_item.wxss b/miniprogram/course/modules/exercise/exercise_item/exercise_item.wxss
index 117aa62..c32c7c3 100644
--- a/miniprogram/course/modules/exercise/exercise_item/exercise_item.wxss
+++ b/miniprogram/course/modules/exercise/exercise_item/exercise_item.wxss
@@ -1,14 +1,15 @@
 .exercise-item{
-  background: #eeeeee;
-  border-radius: 4px;
+  background: #f9f9f9;
   padding: 10px 12px;
+  box-shadow: 2px 1px 5px #aaaaaa;
+  border-radius: 6px;
 }
 .title{
-  font-weight: 550;
-  margin-bottom: 4px;
+  font-weight: bold;
 }
 .left-time{
-  font-size: 14px;
+  font-size: 12px;
+  color: gray;
 }
 .tip{
   font-size: 12px;
@@ -17,4 +18,10 @@
   color: white;
   padding: 2px 6px;
   margin-right: 6px;
+  white-space: nowrap;
+}
+.commit-text{
+  font-size: 12px;
+  font-weight: bold;
+  margin-left: 4px;
 }
\ No newline at end of file
diff --git a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.js b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.js
index 2423d10..a9fd24b 100644
--- a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.js
+++ b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.js
@@ -1,7 +1,16 @@
 const app = getApp();
 Component({
   properties: {
-    data:Object
+    data:{
+      type:Object,
+      observer:function(data){
+        let commit_value = [
+          {percent:data.commit_count/data.all_count*100, color:"#00b0f0"},
+          {percent:data.compelete_count/data.all_count*100, color:"#0080f0"}
+        ];
+        this.setData({commit_value})
+      }
+    }
   },
   data:{
     eduImgDir:global.config.eduImgDir
diff --git a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.json b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.json
index e8cfaaf..715a18a 100644
--- a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.json
+++ b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.json
@@ -1,4 +1,6 @@
 {
   "component": true,
-  "usingComponents": {}
+  "usingComponents": {
+    "muti-progress":"../../../components/muti-progress/muti-progress"
+  }
 }
\ No newline at end of file
diff --git a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxml b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxml
index a4d71d2..5cdacca 100644
--- a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxml
+++ b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxml
@@ -1,7 +1,7 @@
 <view class="homework" bindtap="enterShixun">
   <view class="content">
     <text class="title">{{data.name}}</text>
-    <text class="tip" wx:for="{{data.status}}">{{item}}</text>
+    <text class="tip" style="{{data.time_status>=5?'background:#FC2B6A':''}}" wx:for="{{data.status}}">{{item}}</text>
   </view>
   <view class="author">
     <image class="avatar" src="{{eduImgDir}}{{data.author_img}}" mode="aspectFill"></image>
@@ -9,6 +9,8 @@
     <text class="time">{{data.status_time}}</text>
   </view>
   <view class="commit-info" wx:if="{{data.time_status}}">
-    <progress percent="{{data.commit_count/data.all_count*100}}" activeColor="#00b0f0" border-radius="6" backgroundColor="lightgrey"><text class="commit-text">提交:{{data.commit_count}}/{{data.all_count}}</text></progress>
+    <!--time_status==0:未发布-->
+    <muti-progress value="{{commit_value}}" border_radius="8" backgroundColor="lightgrey"/>
+    <text class="commit-text">完成:{{data.compelete_count}}    开始答题:{{data.commit_count}}    总人数:{{data.all_count}}</text>
   </view>
 </view>
\ No newline at end of file
diff --git a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxss b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxss
index d46db0a..0e5f1de 100644
--- a/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxss
+++ b/miniprogram/course/modules/shixun_homework/shixun_homework_item/shixun_homework_item.wxss
@@ -35,11 +35,11 @@
   color: black;
   font-weight: bold;
 }
-commit-info{
+.commit-info{
   margin-top: 5px;
 }
 .commit-text{
   font-size: 12px;
   font-weight: bold;
-  margin: 0 8px;
+  white-space: pre;
 }
\ No newline at end of file
diff --git a/miniprogram/exercise/pages/exercise/exercise.js b/miniprogram/exercise/pages/exercise/exercise.js
index 5f546ed..9a8dc02 100644
--- a/miniprogram/exercise/pages/exercise/exercise.js
+++ b/miniprogram/exercise/pages/exercise/exercise.js
@@ -59,7 +59,7 @@ Page({
         break;
       }
     }
-    var content = answered?'交卷后不可更改，确定交卷吗':'您还有题目未作答，交卷后无法更改，确认吗';
+    var content = answered?'交卷后不能更改答案，确认交卷吗':'您还有题目未作答，交卷后无法更改，确认吗';
     wx.showModal({
       title: '确认',
       content,
diff --git a/miniprogram/exercise/pages/exercise/exercise.wxss b/miniprogram/exercise/pages/exercise/exercise.wxss
index c640cdd..dcc79c5 100644
--- a/miniprogram/exercise/pages/exercise/exercise.wxss
+++ b/miniprogram/exercise/pages/exercise/exercise.wxss
@@ -73,6 +73,7 @@ page{
 
 .operations{
   display: flex;
+  padding: 2px;
 }
 .operations>button{
   flex: 1;
diff --git a/project.config.json b/project.config.json
index 21a17e3..7fbc7ad 100644
--- a/project.config.json
+++ b/project.config.json
@@ -30,7 +30,7 @@
 		"skeletonGenerateFilesWithoutConfirm": true
 	},
 	"compileType": "miniprogram",
-	"libVersion": "2.2.1",
+	"libVersion": "2.10.4",
 	"appid": "wxc5c2b711f23f3a1d",
 	"projectname": "educoder_weapp",
 	"debugOptions": {
@@ -106,10 +106,10 @@
 					"scene": null
 				},
 				{
-					"id": 7,
+					"id": 6,
 					"name": "course/pages/course/course",
 					"pathName": "course/pages/course/course",
-					"query": "course_id=6708",
+					"query": "course_id=5141",
 					"scene": null
 				},
 				{