diff --git a/app/models/homework_common.rb b/app/models/homework_common.rb
index 332aff045..790a9b7ab 100644
--- a/app/models/homework_common.rb
+++ b/app/models/homework_common.rb
@@ -80,6 +80,11 @@ class HomeworkCommon < ApplicationRecord
     end
   end
 
+  # 实训作业的主目录信息
+  def main_category_info
+    {category_id: course.shixun_course_modules.take.try(:id), category_name: course.shixun_course_modules.take.try(:module_name)}
+  end
+
   # 根据是否统一发布获取作业的作品列表
   def all_works
     student_works = self.unified_setting ? self.student_works :
diff --git a/app/models/subject.rb b/app/models/subject.rb
index 3ec030f80..3c94ad870 100644
--- a/app/models/subject.rb
+++ b/app/models/subject.rb
@@ -41,7 +41,7 @@ class Subject < ApplicationRecord
 
   # 挑战过路径的成员数(金课统计去重后的报名人数)
   def member_count
-    excellent && CourseMember.where(role: 4, course_id: courses.pluck(:id)).pluck(:user_id).uniq.length > 0 ?
+    excellent && CourseMember.where(role: 4, course_id: courses.pluck(:id)).pluck(:user_id).uniq.length > shixuns.pluck(:myshixuns_count).sum ?
       CourseMember.where(role: 4, course_id: courses.pluck(:id)).pluck(:user_id).uniq.length : shixuns.pluck(:myshixuns_count).sum
   end
 
diff --git a/app/views/homework_commons/_homework_public_navigation.json.jbuilder b/app/views/homework_commons/_homework_public_navigation.json.jbuilder
index 243c6aecd..b5067e3c7 100644
--- a/app/views/homework_commons/_homework_public_navigation.json.jbuilder
+++ b/app/views/homework_commons/_homework_public_navigation.json.jbuilder
@@ -2,6 +2,7 @@ json.course_id course.id
 json.course_name course.name
 json.is_end course.is_end
 json.category homework.category_info
+json.main_category homework.main_category_info if homework.homework_type == "practice"
 member = course.course_members.find_by(user_id: user.id, is_active: 1)
 curr_status = homework_curr_status(homework, user.course_identity(course), course, member, member&.teacher_course_groups)
 json.homework_status curr_status[:status]
diff --git a/public/react/src/modules/courses/boards/BoardsNew.js b/public/react/src/modules/courses/boards/BoardsNew.js
index d2b218f3d..b02f6a73f 100644
--- a/public/react/src/modules/courses/boards/BoardsNew.js
+++ b/public/react/src/modules/courses/boards/BoardsNew.js
@@ -350,7 +350,7 @@ class BoardsNew extends Component{
                     }],
                   })(
                     <Input placeholder={`请输入帖子标题，最大限制${MAX_TITLE_LENGTH}个字符 `}className="searchViewAfter" maxLength={MAX_TITLE_LENGTH}
-                      onInput={this.changeTitle} addonAfter={`${title_num}/${MAX_TITLE_LENGTH}`} />
+                      onInput={this.changeTitle} suffix={`${title_num}/${MAX_TITLE_LENGTH}`} />
                   )}
                 </Form.Item>
 
diff --git a/public/react/src/modules/courses/busyWork/NewWork.js b/public/react/src/modules/courses/busyWork/NewWork.js
index 83e792d68..ca79e8ac5 100644
--- a/public/react/src/modules/courses/busyWork/NewWork.js
+++ b/public/react/src/modules/courses/busyWork/NewWork.js
@@ -399,7 +399,7 @@ class NewWork extends Component{
                     required: true, message: '请输入标题'
                   }],
                 })(
-                  <Input placeholder="请输入作业标题，最大限制60个字符" onInput={this.changeTitle} className="searchView searchViewAfter" style={{"width":"100%"}} maxLength={MAX_TITLE_LENGTH} addonAfter={`${String(title_num)}/${MAX_TITLE_LENGTH}`}/>
+                  <Input placeholder="请输入作业标题，最大限制60个字符" onInput={this.changeTitle} className="searchView searchViewAfter" style={{"width":"100%"}} maxLength={MAX_TITLE_LENGTH} suffix={`${String(title_num)}/${MAX_TITLE_LENGTH}`}/>
                 )}
               </Form.Item>
               <style>{`
diff --git a/public/react/src/modules/courses/coursesPublic/Addcourses.js b/public/react/src/modules/courses/coursesPublic/Addcourses.js
index a4599bffb..f03608c8b 100644
--- a/public/react/src/modules/courses/coursesPublic/Addcourses.js
+++ b/public/react/src/modules/courses/coursesPublic/Addcourses.js
@@ -48,8 +48,8 @@ class Addcourses extends Component{
 
   }
 	componentDidUpdate = (prevProps) => {
-		console.log(prevProps);
-		console.log(this.props);
+		// console.log(prevProps);
+		// console.log(this.props);
 		if(prevProps.occupation!==this.props.occupation){
 			this.setState({
 				Addcoursestype:false,
@@ -222,8 +222,8 @@ class Addcourses extends Component{
       student:student
       }
     ).then((response) => {
-    	console.log("submittojoinclass");
-    	console.log(response);
+    	// console.log("submittojoinclass");
+    	// console.log(response);
 			if(response  === undefined){
 				this.setState({
 					// Addcoursestype:false,
@@ -302,7 +302,7 @@ class Addcourses extends Component{
 				isSpin:false
 			});
     }).catch((error) => {
-      console.log(error)
+      console.log(error);
 			this.setState({
 				Addcoursestype:false,
 				isSpin:false
@@ -326,8 +326,8 @@ class Addcourses extends Component{
 			  Addcoursestypes
     }=this.state;
 		const antIcon = <Icon type="loading" style={{ fontSize: 24 }} spin />;
-		console.log("Addcourses");
-		console.log(Addcoursestypes)
+		// console.log("Addcourses");
+		// console.log(Addcoursestypes)
     return(
       <div>
           <Modals
diff --git a/public/react/src/modules/courses/exercise/ExerciseNew.js b/public/react/src/modules/courses/exercise/ExerciseNew.js
index 482a807cc..6e8444411 100644
--- a/public/react/src/modules/courses/exercise/ExerciseNew.js
+++ b/public/react/src/modules/courses/exercise/ExerciseNew.js
@@ -451,7 +451,7 @@ class ExerciceNew extends Component{
                     }],
                   })( */}
                     <Input placeholder={`请输入试卷标题，最大限制${TITLE_MAX_LENGTH}个字符`} maxLength={TITLE_MAX_LENGTH} className="input-100-40 mt5" value={exercise_name} 
-                        onChange={this.exercise_name_change} addonAfter={`${exercise_name ? exercise_name.length : 0}/${TITLE_MAX_LENGTH}`}
+                        onChange={this.exercise_name_change} suffix={`${exercise_name ? exercise_name.length : 0}/${TITLE_MAX_LENGTH}`}
                     />
                   {/* )} */}
                 </Form.Item>
diff --git a/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js b/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js
index 91ca19e7d..cdbc7218b 100644
--- a/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js
+++ b/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js
@@ -479,6 +479,12 @@ class ExerciseReviewAndAnswer extends Component{
     })
   }
 
+  // 返回
+  returnBtn = () =>{
+    let coursesId=this.props.match.params.coursesId;
+    let eId=this.props.match.params.Id;
+    this.props.history.push(`/courses/${coursesId}/exercises/${eId}/student_exercise_list?tab=0`)
+  }
 
   render(){
     let coursesId=this.props.match.params.coursesId;
@@ -561,7 +567,7 @@ class ExerciseReviewAndAnswer extends Component{
             </span>
             {
               (isAdmin || ( isStudent && exercise && user_exercise_status == 1)) ?
-              <WordsBtn className="fr font-16 lineh-40" style="grey" onClick={()=>this.props.history.goBack()}>返回</WordsBtn>
+              <WordsBtn className="fr font-16 lineh-40" style="grey" onClick={this.returnBtn}>返回</WordsBtn>
               :
               time && time != 0 ?
               <div className="fr remainingTime">
diff --git a/public/react/src/modules/courses/exercise/question/shixunAnswer.js b/public/react/src/modules/courses/exercise/question/shixunAnswer.js
index 64e4214fa..cdffe08b8 100644
--- a/public/react/src/modules/courses/exercise/question/shixunAnswer.js
+++ b/public/react/src/modules/courses/exercise/question/shixunAnswer.js
@@ -316,7 +316,7 @@ class shixunAnswer extends Component{
                           </span>
                           <span className="fl mt3 font-16">
                             <span className="font-bd mr15">第{item[0].position}关</span>
-                            <Link to={ "/tasks/" + item[0].game_identifier }>
+                            <Link to={ "/tasks/" + item[0].game_identifier } style={{"cursor":"pointer"}}>
                               <span className={"font-16"}>{item[0].name}</span>
                             </Link>
                           </span>
diff --git a/public/react/src/modules/courses/gradinforms/Eduinforms.js b/public/react/src/modules/courses/gradinforms/Eduinforms.js
index aef54ab13..777f04bc6 100644
--- a/public/react/src/modules/courses/gradinforms/Eduinforms.js
+++ b/public/react/src/modules/courses/gradinforms/Eduinforms.js
@@ -149,7 +149,7 @@ class Eduinforms extends Component{
 														</div>
 														:
 														<div  className="edu-back-white ">
-														<div id="MakedownHTML"  className={"markdown-body fonttext yslmtopcg"}   dangerouslySetInnerHTML={{__html: markdownToHTML(description).replace(/▁/g, "▁▁▁")}}>
+														<div id="MakedownHTML"  className={"markdown-body fonttext yslmtopcg"}  style={{minHeight:"400px"}} dangerouslySetInnerHTML={{__html: markdownToHTML(description).replace(/▁/g, "▁▁▁")}}>
 
 
 														</div>
diff --git a/public/react/src/modules/courses/graduation/tasks/GraduationTasksedit.js b/public/react/src/modules/courses/graduation/tasks/GraduationTasksedit.js
index 559144ecf..6f1b2db06 100644
--- a/public/react/src/modules/courses/graduation/tasks/GraduationTasksedit.js
+++ b/public/react/src/modules/courses/graduation/tasks/GraduationTasksedit.js
@@ -379,7 +379,7 @@ class GraduationTasksedit extends Component{
                   <Form.Item label="任务标题"  >
                     {getFieldDecorator('name', {
                       rules: [{ required: true, message: "请输入标题" }],
-                    })(<Input placeholder="请输入任务名称，最大限制60个字符" value={name} onInput={this.changeTitle}  className="searchView searchViewAfter" style={{"width":"100%"}} maxLength="60" addonAfter={String(title_num)}/>)}
+                    })(<Input placeholder="请输入任务名称，最大限制60个字符" value={name} onInput={this.changeTitle}  className="searchView searchViewAfter" style={{"width":"100%"}} maxLength="60" suffix={String(title_num)}/>)}
                   </Form.Item>
                   <input type="hidden"  id='nametypes' />
                 </div>
diff --git a/public/react/src/modules/courses/graduation/tasks/GraduationTasksnew.js b/public/react/src/modules/courses/graduation/tasks/GraduationTasksnew.js
index 1d3c7578f..efe2bdd07 100644
--- a/public/react/src/modules/courses/graduation/tasks/GraduationTasksnew.js
+++ b/public/react/src/modules/courses/graduation/tasks/GraduationTasksnew.js
@@ -384,7 +384,7 @@ class GraduationTasksnew extends Component {
 											rules: [{required: true, message: "不能为空"}],
 										})(<Input placeholder="请输入任务名称，最大限制60个字符" value={title_value} onInput={this.changeTitle}
 															className="searchView searchViewAfter  h40" style={{"width": "100%"}} maxLength="60"
-															addonAfter={String(title_num)}/>)}
+															suffix={String(title_num)}/>)}
 									</Form.Item>
 									<input type="hidden" id='nametypes'  />
 								</div>
diff --git a/public/react/src/modules/courses/graduation/topics/GraduateTopicNew.js b/public/react/src/modules/courses/graduation/topics/GraduateTopicNew.js
index 8c46bfa0e..94c238a5e 100644
--- a/public/react/src/modules/courses/graduation/topics/GraduateTopicNew.js
+++ b/public/react/src/modules/courses/graduation/topics/GraduateTopicNew.js
@@ -366,7 +366,7 @@ class GraduateTopicNew extends Component{
                       max: 60, message: '最大限制为60个字符',
                     }],
                   })(
-                    <Input placeholder="请输入帖子选题名称，最大限制60个字符" maxLength="60" onInput={this.changeTopicName} autoComplete="off" addonAfter={String(addonAfter)} className="searchViewAfter" />
+                    <Input placeholder="请输入帖子选题名称，最大限制60个字符" maxLength="60" onInput={this.changeTopicName} autoComplete="off" suffix={String(addonAfter)} className="searchViewAfter" />
                   )}
                 </Form.Item>
               </div>
diff --git a/public/react/src/modules/courses/poll/PollDetailIndex.js b/public/react/src/modules/courses/poll/PollDetailIndex.js
index a141db961..e92a0e352 100644
--- a/public/react/src/modules/courses/poll/PollDetailIndex.js
+++ b/public/react/src/modules/courses/poll/PollDetailIndex.js
@@ -136,7 +136,7 @@ class PollDetailIndex extends Component{
 						<span className="mt3 fl" style={{height:"25px"}}>
               <CoursesListType typelist={[`${map[pollDetail && pollDetail.polls_status]}`]} typesylename={""} />
             </span>
-						<WordsBtn className="fr font-16 mt2" style="grey" onClick={()=>this.props.history.goBack()}>返回</WordsBtn>
+						<WordsBtn className="fr font-16 mt2" style="grey" to={`/courses/${this.props.match.params.coursesId}/polls/${user_permission && user_permission.left_banner_id}`}>返回</WordsBtn>
 					</p>
 					<div>
 						<div className="clearfix edu-back-white pl30 pr30 bor-bottom-greyE">
diff --git a/public/react/src/modules/courses/poll/PollInfo.js b/public/react/src/modules/courses/poll/PollInfo.js
index bce3d2753..2476e0bc3 100644
--- a/public/react/src/modules/courses/poll/PollInfo.js
+++ b/public/react/src/modules/courses/poll/PollInfo.js
@@ -327,7 +327,7 @@ class PollInfo extends Component{
             <span className="color-grey-3 font-24 fl task-hide break-word" style={{maxWidth:"900px",lineHeight:"30px"}}>{poll && poll.polls_name}</span>
             <CoursesListType typelist={[`${statudmap[poll && poll.poll_status]}`]} typesylename={""} />
             {
-              isAdmin || (poll && poll.user_poll_status == 1) ? <WordsBtn className="fr font-16 mt5" style="grey" onClick={()=>this.props.history.goBack()}>返回</WordsBtn> :''
+              isAdmin || (poll && poll.user_poll_status == 1) ? <WordsBtn className="fr font-16 mt5" style="grey" to={`/courses/${coursesId}/polls/${this.props.match.params.pollId}/detail`}>返回</WordsBtn> :''
             }
             
           </p>
diff --git a/public/react/src/modules/courses/poll/PollNew.js b/public/react/src/modules/courses/poll/PollNew.js
index ce602afc3..faa736ef2 100644
--- a/public/react/src/modules/courses/poll/PollNew.js
+++ b/public/react/src/modules/courses/poll/PollNew.js
@@ -1,6 +1,9 @@
 import React, {Component} from "react";
 import {Form, Input, Tooltip, Checkbox, Radio, Select, message, Modal, Button} from 'antd'
 import {WordsBtn, ActionBtn} from 'educoder'
+
+import {Link} from 'react-router-dom'
+
 import '../css/members.css'
 import "../common/formCommon.css"
 
@@ -65,6 +68,8 @@ class PollNew extends Component {
 			cancellation: false,
 			bindingid:undefined,
 			Newdisplay:false,
+			first_category_url:"",
+			left_banner_id:"",
 		}
 		// console.log("试卷新建和编辑");
 		// console.log(JSON.stringify(props));
@@ -72,6 +77,7 @@ class PollNew extends Component {
 	}
 
 	changeTopicName = (e) => {
+		console.log("调用了changeTopicName");
 		let num = 60 - parseInt(e.target.value.length);
 		this.setState({
 			addonAfter: num < 0 ? 0 : num
@@ -124,8 +130,35 @@ class PollNew extends Component {
 
 		console.log("问卷返回");
 		console.log(this.props);
+		try {
+			if(this.props.current_user!==undefined){
+				this.setState({
+					first_category_url :this.props.current_user.first_category_url,
+				});
+				console.log("=======================");
+				console.log(this.props.current_user.first_category_url);
+			}
+		}catch (e) {
+			console.log("12312312312")
+			console.log(e);
+		}
 
+	};
+	componentDidUpdate = (prevProps) => {
+		// console.log("componentDidUpdate");
+		// console.log(prevProps);
+		// console.log(this.props);
+		if(prevProps.current_user!=this.props.current_user){
+			if(this.props.current_user!==undefined){
+				// console.log(this.props.current_user.login);
+				// console.log(prevProps.current_user.login);
+				this.setState({
+					first_category_url :this.props.current_user.first_category_url,
+				})
+			}
+		}
 	}
+
 	//获取权限
 	// getPollInfo(){
 	//     // console.log(this.props.match);
@@ -144,12 +177,12 @@ class PollNew extends Component {
 	// }
 	//初始化请求网络
 	Initializatio_data = () => {
-		// console.log("Initializatio_data 582")
+		console.log("Initializatio_data 582")
 		//课堂id
 		let coursesId = this.props.match.params.coursesId;
 		//时间id
 		let pollid = this.props.match.params.pollid;
-		// console.log(pollid);
+		console.log(pollid);
 		// let coursesId = 557;
 		if (pollid === undefined) {
 			// console.log("没有问卷新建问卷~~~")
@@ -215,6 +248,19 @@ class PollNew extends Component {
 						polls_nametest: result.data.poll.polls_name,
 						polls_descriptiontest: result.data.poll.polls_description,
 					});
+
+				if(result.data){
+					if(result.data.poll){
+						if(result.data.poll.polls_name){
+							let num = 60 - parseInt(result.data.poll.polls_name.length);
+							this.setState({
+								addonAfter: num < 0 ? 0 : num
+							})
+						}
+					}
+
+				}
+
 				this.setState({
 					projects: result.data,
 					pollid: pollid,
@@ -229,6 +275,7 @@ class PollNew extends Component {
 					polls_nametest: result.data.poll.polls_name,
 					polls_descriptiontest: result.data.poll.polls_description,
 					questionnair: true,
+					left_banner_id:result.data.left_banner_id
 				})
 				// console.log(this.state.polls_nametest)
 				// console.log(this.state.polls_descriptiontest)
@@ -2338,10 +2385,13 @@ class PollNew extends Component {
 	}
 	gotohome=()=>{
 		// const { current_user} = this.props
+       if(this.state.first_category_url){
+				 window.location.href=this.state.first_category_url;
+			 }else{
+				 this.props.history.goBack();
+			 }
 
-		// this.props.history.push(current_user && current_user.first_category_url);
 		//
-		this.props.history.goBack()
 		// let courseId=this.props.match.params.coursesId;
 		// if(courseId===undefined){
 		// 	this.props.history.push("/courses");
@@ -2360,6 +2410,7 @@ class PollNew extends Component {
 			readOnlys,
 			newoption,
 			cancellation,
+			left_banner_id
 		} = this.state
 		//获取老师权限
 		// console.log("[`${maps[polls_status && polls_status]}`]]");
@@ -2404,16 +2455,29 @@ class PollNew extends Component {
 					<p className="clearfix mb20 mt10">
 						<a className=" btn colorgrey fl hovercolorblue" onClick={()=>this.gotohome()}>{this.props.coursedata.name}</a>
 						<span className="color-grey-9 fl ml3 mr3">&gt;</span>
-						<a className=" btn colorgrey fl hovercolorblue"
-											 href={`/courses/${this.props.match.params.coursesId}/polls/${this.props.match.params.pollid}`}>问卷</a>
+						{
+							this.props.match.params.news === "new"?
+								<a className=" btn colorgrey fl hovercolorblue"
+									 href={`/courses/${this.props.match.params.coursesId}/polls/${this.props.match.params.pollid}`}>问卷</a>
+								:
+								<a className=" btn colorgrey fl hovercolorblue"
+									 href={`/courses/${this.props.match.params.coursesId}/polls/${left_banner_id}`}>问卷</a>
+						}
+
 						<span className="color-grey-9 fl ml3 mr3">&gt;</span>
 						<span>{this.props.match.params.news === undefined ? "新建" : this.props.match.params.news === "new" ? "新建" : "编辑"}</span>
 					</p>
 					<div className="clearfix mb30">
 						<p
 							className="fl color-black summaryname mt5">{this.props.match.params.news === undefined ? "新建问卷" : this.props.match.params.news === "new" ? "新建问卷" : "编辑问卷"}</p>
-						<a onClick={()=>this.gotohome()}
-											 className=" fr font-16">返回</a>
+							{
+								this.props.match.params.news === "new" ?
+									<a  href={`/courses/${this.props.match.params.coursesId}/polls/${this.props.match.params.pollid}`}
+										className=" fr font-16">返回</a>
+									:
+									<a href={`/courses/${this.props.match.params.coursesId}/polls/${left_banner_id}`}
+										className=" fr font-16">返回</a>
+							}
 					</div>
 
 					{/*<Form {...formItemLayout} onSubmit={this.handleSubmit}>*/}
@@ -2461,12 +2525,13 @@ class PollNew extends Component {
 										}
 
 									</div>
-
+									{/*suffix={String(addonAfter)}*/}
 									<Input placeholder="请输入问卷标题，最大限制60个字符" maxLength="60"
 												 style={{"margin-top": "15px", "text-align": "left"}}
 												 onInput={this.changeTopicName}
 												 readOnly={readOnlys}
-												 autoComplete="off" addonAfter={String(addonAfter)}
+												 autoComplete="off"
+												 suffix={String(addonAfter)+"/60"}
 												 value={this.state.polls_nametest}
 												 className="searchViewAfter"></Input>
 
@@ -2491,7 +2556,7 @@ class PollNew extends Component {
 														readOnly={readOnlys}
 														onInput={this.changeTopicNametwo}
 														value={this.state.polls_descriptiontest}
-														autoComplete="off" addonAfter={"100"}></TextArea>
+														autoComplete="off" suffix={"100"}></TextArea>
 									{
 										this.state.Newedit === true || this.state.mysave === true ?
 											<div>
diff --git a/public/react/src/modules/courses/shixunHomework/shixunHomework.js b/public/react/src/modules/courses/shixunHomework/shixunHomework.js
index 71fd8744e..74d142129 100644
--- a/public/react/src/modules/courses/shixunHomework/shixunHomework.js
+++ b/public/react/src/modules/courses/shixunHomework/shixunHomework.js
@@ -1019,8 +1019,8 @@ class ShixunHomework extends Component{
         <div className="edu-back-white">
           <p className="clearfix padding30 bor-bottom-greyE">
             <p style={{height: '20px'}}>
-            {/*<span className="font-18 fl color-dark-21">{datas&&datas.category_name===undefined||datas&&datas.category_name===null?datas&&datas.main_category_name:datas&&datas.category_name+" 作业列表"}</span>*/}
-              <span className="font-18 fl color-dark-21">实训作业</span>
+            <span className="font-18 fl color-dark-21">{datas&&datas.category_name===undefined||datas&&datas.category_name===null?datas&&datas.main_category_name:datas&&datas.category_name+" 作业列表"}</span>
+            {/*  <span className="font-18 fl color-dark-21">实训作业</span>*/}
               <li className="fr">
               {this.props.isAdmin()===true?datas&&datas.category_name===undefined||datas&&datas.category_name===null?
                   <span>
diff --git a/public/react/src/modules/user/usersInfo/video/EditVideoModal.js b/public/react/src/modules/user/usersInfo/video/EditVideoModal.js
index 4ed20d3cd..fc05cc932 100644
--- a/public/react/src/modules/user/usersInfo/video/EditVideoModal.js
+++ b/public/react/src/modules/user/usersInfo/video/EditVideoModal.js
@@ -77,7 +77,7 @@ function EditVideoModal (props) {
                     }],
                 })(
                     <Input placeholder="" className="titleInput" maxLength={MAX_LENGTH}
-                            addonAfter={String(_title ? `${String(_title.length)}/${MAX_LENGTH}` : 0)} />
+                            suffix={String(_title ? `${String(_title.length)}/${MAX_LENGTH}` : 0)} />
                 )}
             </Form.Item>
         </ModalWrapper>