diff --git a/app/controllers/myshixuns_controller.rb b/app/controllers/myshixuns_controller.rb
index 649516a03..cdeca4871 100644
--- a/app/controllers/myshixuns_controller.rb
+++ b/app/controllers/myshixuns_controller.rb
@@ -20,28 +20,29 @@ class MyshixunsController < ApplicationController
     unless (current_user.admin? || current_user.id == @myshixun.user_id)
       tip_exception("403", "")
     end
+    begin
+      ActiveRecord::Base.transaction do
+        begin
+          @shixun = Shixun.select(:id, :identifier).find(@myshixun.shixun_id)
+          @myshixun.destroy
 
-    ActiveRecord::Base.transaction do
-      begin
-        @shixun = Shixun.select(:id, :identifier).find(@myshixun.shixun_id)
-        @myshixun.destroy
+          StudentWork.where(:myshixun_id => @myshixun.id).update_all(:myshixun_id => 0, :work_status => 0)
 
-        # 刪除版本庫
-        begin
-          GitService.delete_repository(repo_path: @repo_path)
+          # 实训在申请发布前，是否玩过实训，如果玩过需要更改记录，防止二次重置
+          shixun_mod = ShixunModify.where(:shixun_id => @shixun.id, :myshixun_id => @myshixun.id, :status => 1).take
+          shixun_mod.update_column(:status, 0) if shixun_mod
         rescue Exception => e
-          uid_logger_error("版本库删除异常，详情：#{e.message}")
+          logger.error("######reset_my_game_failed:#{e.message}")
+          raise("ActiveRecord::RecordInvalid")
         end
-
-        StudentWork.where(:myshixun_id => @myshixun.id).update_all(:myshixun_id => 0, :work_status => 0)
-
-        # 实训在申请发布前，是否玩过实训，如果玩过需要更改记录，防止二次重置
-        shixun_mod = ShixunModify.where(:shixun_id => @shixun.id, :myshixun_id => @myshixun.id, :status => 1).take
-        shixun_mod.update_column(:status, 0) if shixun_mod
-      rescue Exception => e
-        uid_logger_error("myshixun reset failed #{e}")
-        raise ActiveRecord::Rollback
       end
+      # 删除版本库
+      GitService.delete_repository(repo_path: @repo_path)
+    rescue Exception => e
+      if e.message != "ActiveRecord::RecordInvalid"
+        logger.error("######delete_repository_error:#{e.message}")
+      end
+      raise ActiveRecord::Rollback
     end
   end
 
diff --git a/public/react/src/modules/courses/boards/BoardsNew.js b/public/react/src/modules/courses/boards/BoardsNew.js
index 9833e9eb3..8d9db7c3f 100644
--- a/public/react/src/modules/courses/boards/BoardsNew.js
+++ b/public/react/src/modules/courses/boards/BoardsNew.js
@@ -239,6 +239,7 @@ class BoardsNew extends Component{
   render() {
     let { addGroup, fileList, course_id, title_num } = this.state;
     const { getFieldDecorator } = this.props.form;
+    const { current_user } = this.props
 
     const formItemLayout = {
       labelCol: {
@@ -299,7 +300,7 @@ class BoardsNew extends Component{
           `}</style>
           <div className="edu-class-container edu-position courseForm">
             <CBreadcrumb items={[
-              { to: `/courses/${courseId}/students`, name: this.props.coursedata ? this.props.coursedata.name : ''},
+              { to: current_user.first_category_url, name: this.props.coursedata ? this.props.coursedata.name : ''},
               { to: `/courses/${courseId}/boards/${boardId}`, name: this.state.board_name },
               { name: this.isEdit ? '帖子编辑' : '帖子新建'}
             ]}></CBreadcrumb>
diff --git a/public/react/src/modules/courses/boards/TopicDetail.js b/public/react/src/modules/courses/boards/TopicDetail.js
index 6309ac491..7aaecdd16 100644
--- a/public/react/src/modules/courses/boards/TopicDetail.js
+++ b/public/react/src/modules/courses/boards/TopicDetail.js
@@ -546,7 +546,7 @@ class TopicDetail extends Component {
             }
           `}</style>
           <CBreadcrumb className={'independent'} items={[
-            { to: `/courses/${courseId}`, name: this.props.coursedata.name},
+            { to: current_user.first_category_url, name: this.props.coursedata.name},
             { to: `/courses/${courseId}/boards/${boardId}`, name: memo.board_name },
             { name: '帖子详情'}
           ]}></CBreadcrumb>
diff --git a/public/react/src/modules/courses/busyWork/CommonWorkDetailIndex.js b/public/react/src/modules/courses/busyWork/CommonWorkDetailIndex.js
index 5960406e3..ff8e3e3a2 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkDetailIndex.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkDetailIndex.js
@@ -145,6 +145,7 @@ class CommonWorkDetailIndex extends Component{
 
         , end_immediately, publish_immediately, work_statuses, accessoryVisible
     } =this.state;
+    const { current_user } = this.props
 
     let courseId=this.props.match.params.coursesId;
     let category_id= category && category.category_id;
@@ -197,15 +198,15 @@ class CommonWorkDetailIndex extends Component{
                   background: #fff;
                 }
               `}</style>
-              <CBreadcrumb items={[
-                { to: `/courses/${courseId}`, name: course_name},
+              {current_user && <CBreadcrumb items={[
+                { to: current_user.first_category_url , name: course_name},
                 { to: `/courses/${courseId}/${moduleEngName}/${category_id}`, name: category_name },
                 window.location.pathname.indexOf('appraise') == -1 ? { } : { to: `/courses/${courseId}/${moduleEngName}/${workId}/list`, name: '作业详情' },
                 // 1.	与上一条联动，当匿评他人作品时，TA人作品的作者真实姓名切换为“匿名”
                 window.location.pathname.indexOf('appraise') == -1 ? { name: '作业详情' } : { name: author_name },
                 // window.location.pathname.indexOf('appraise') == -1 ? { } : { to: `/courses/${courseId}/${moduleEngName}/${workId}/list`, name: '作品列表' },
                 // { name: childModuleName }
-              ]}></CBreadcrumb>
+              ]}></CBreadcrumb>}
 
               <div style={{ width:'100%',height:'52px'}} >
                 <span className=" fl color-black summaryname" title={`${homework_name && homework_name.length > 36 ? homework_name : ''}`}
diff --git a/public/react/src/modules/courses/busyWork/CommonWorkPost.js b/public/react/src/modules/courses/busyWork/CommonWorkPost.js
index 4c5578d2c..f2b92b47d 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkPost.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkPost.js
@@ -481,6 +481,7 @@ render(){
     course_name, homework_name,
     memberNumMax, memberNumMin
   } =this.state;
+  const { current_user  } = this.props
 
   let courseId=this.props.match.params.coursesId;
   let workId=this.props.match.params.workId;
@@ -522,7 +523,6 @@ render(){
   const moduleName = this.props.getModuleName()
   const moduleCHName = this.props.getModuleName(true)
   const isGroup = this.props.isGroup()
-  const { current_user } = this.props;
   
   return(
 <React.Fragment>
@@ -540,7 +540,7 @@ render(){
       <div className={"educontent mb20"}>
 
       <p className="clearfix mt10">
-        <WordsBtn style="grey" className="fl">  <Link to={`/courses/${courseId}/${moduleName}/${category ? category.category_id : ''}`} className="color-grey-6">{course_name}</Link></WordsBtn>
+        <WordsBtn style="grey" className="fl">  <Link to={ current_user && current_user.first_category_url} className="color-grey-6">{course_name}</Link></WordsBtn>
         <span className="color-grey-9 fl ml3 mr3">&gt;</span>
         <WordsBtn style="grey" className="fl"> <Link to={`/courses/${courseId}/${moduleName}/${workId}`} className="color-grey-6">{moduleCHName}</Link></WordsBtn>
         <span className="color-grey-9 fl ml3 mr3">&gt;</span>
diff --git a/public/react/src/modules/courses/busyWork/NewWork.js b/public/react/src/modules/courses/busyWork/NewWork.js
index 3bb77dfb5..2519f95e2 100644
--- a/public/react/src/modules/courses/busyWork/NewWork.js
+++ b/public/react/src/modules/courses/busyWork/NewWork.js
@@ -313,6 +313,7 @@ class NewWork extends Component{
       init_max_num, init_min_num,
       title_num, course_name, category, has_commit, has_project
     }=this.state
+    const { current_user } = this.props
 
     const courseId = this.state.course_id || this.props.match.params.coursesId ;    
     const isEdit = this.isEdit;
@@ -369,7 +370,7 @@ class NewWork extends Component{
             <span>{pageType==="new"?"新建":"编辑"}</span>
           </p> */}
           <CBreadcrumb items={[
-            { to: `/courses/${courseId}`, name: this.state.course_name},
+            { to: current_user.first_category_url, name: this.state.course_name},
             { to: `/courses/${courseId}/${moduleEngName}/${category && category.category_id ? category.category_id : ''}`
               , name: category && category.category_name },
             { name: `${ this.isEdit ? '编辑' : '新建'}` }
diff --git a/public/react/src/modules/courses/busyWork/common/WorkDetailPageHeader.js b/public/react/src/modules/courses/busyWork/common/WorkDetailPageHeader.js
index 2e79356f9..2595b15b0 100644
--- a/public/react/src/modules/courses/busyWork/common/WorkDetailPageHeader.js
+++ b/public/react/src/modules/courses/busyWork/common/WorkDetailPageHeader.js
@@ -59,7 +59,7 @@ class WorkDetailPageHeader extends Component{
     const dateFormat = 'YYYY-MM-DD HH:mm';
 
     let {course_name, homework_name, search, page, loadingstate, homework_status, description, noTab
-        , view_answer, author_name, category, work_id
+        , view_answer, author_name, category, work_id, current_user
     } =this.props;
 
     let courseId=this.props.match.params.coursesId;
@@ -89,7 +89,7 @@ class WorkDetailPageHeader extends Component{
                 }
               `}</style>
               <CBreadcrumb items={[
-                { to: `/courses/${courseId}`, name: course_name},
+                { to: current_user.first_category_url, name: course_name},
                 { to: `/courses/${courseId}/${moduleEngName}/${category_id}`, name: category_name },
                 window.location.pathname.indexOf('appraise') == -1 ? { } : { to: `/courses/${courseId}/${moduleEngName}/${workId}/list`, name: '作业详情' },
                 // 1.	与上一条联动，当匿评他人作品时，TA人作品的作者真实姓名切换为“匿名”
diff --git a/public/react/src/modules/courses/exercise/ExerciseNew.js b/public/react/src/modules/courses/exercise/ExerciseNew.js
index 0e1489c72..fe1b8f565 100644
--- a/public/react/src/modules/courses/exercise/ExerciseNew.js
+++ b/public/react/src/modules/courses/exercise/ExerciseNew.js
@@ -369,6 +369,7 @@ class ExerciceNew extends Component{
       },
     };
 
+    const { current_user } = this.props
     const isAdmin = this.props.isAdmin()
     const courseId=this.props.match.params.coursesId;
     const exercise_id = this.props.match.params.Id
@@ -407,7 +408,7 @@ class ExerciceNew extends Component{
           `}</style>
           <div className="edu-class-container edu-position courseForm">
             <CBreadcrumb items={[
-              { to: `/courses/${courseId}/students`, name: this.props.coursedata ? this.props.coursedata.name : ''},
+              { to: current_user.first_category_url, name: this.props.coursedata ? this.props.coursedata.name : ''},
               { to: `/courses/${courseId}/exercises/${left_banner_id}`, name: '试卷列表' },
               { name: this.isEdit ? '编辑试卷' : '新建试卷'}
             ]}></CBreadcrumb>
diff --git a/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js b/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js
index eb8143c03..cd3355082 100644
--- a/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js
+++ b/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js
@@ -509,7 +509,7 @@ class ExerciseReviewAndAnswer extends Component{
     }=this.state
     let isAdmin = this.props.isAdmin();
     let isStudent =this.props.isStudent();
-
+    const { current_user } = this.props
     console.log(data&&data.exercise.user_name)
     return(
       <div className="newMain" style={{paddingTop:"0px"}}>
@@ -537,7 +537,7 @@ class ExerciseReviewAndAnswer extends Component{
           />
         <div className="educontent mt10 mb50">
           <p className="clearfix mb20">
-            <WordsBtn style="grey" className="fl" to={`/courses/${coursesId}`}>{courseName}</WordsBtn>
+            <WordsBtn style="grey" className="fl" to={current_user.first_category_url}>{courseName}</WordsBtn>
             <span className="color-grey-9 fl ml3 mr3">&gt;</span>
             <WordsBtn style="grey" className="fl" to={`/courses/${coursesId}/exercises/${data && data.left_banner_id}`}>{data && data.left_banner_name}</WordsBtn>
             <span className="color-grey-9 fl ml3 mr3">&gt;</span>
diff --git a/public/react/src/modules/courses/graduation/topics/GraduateTopicDetail.js b/public/react/src/modules/courses/graduation/topics/GraduateTopicDetail.js
index be3ff7a30..c0e8fe185 100644
--- a/public/react/src/modules/courses/graduation/topics/GraduateTopicDetail.js
+++ b/public/react/src/modules/courses/graduation/topics/GraduateTopicDetail.js
@@ -96,6 +96,7 @@ class GraduateTopicDetail extends Component{
       tablePageSize,
       tab,
     }=this.state
+    const { current_user } = this.props
     let {course_id,graduation_topic_id}=this.props.match.params;
     const isStudent =this.props.isStudent();
     const isAdmin =this.props.isAdmin();
@@ -104,7 +105,7 @@ class GraduateTopicDetail extends Component{
       <div className="newMain">
         <div className="educontent mt10 mb50">
           <p className="clearfix mb15 lineh-20">
-            <WordsBtn style="grey" className="fl" to={`/courses/${tableData.course_id}`}>{tableData && tableData.course_name}</WordsBtn>
+            <WordsBtn style="grey" className="fl" to={current_user.first_category_url}>{tableData && tableData.course_name}</WordsBtn>
             <span className="color-grey-9 fl ml3 mr3">&gt;</span>
             <WordsBtn style="grey" className="fl" to={`/courses/${tableData.course_id}/graduation_topics/${tableData.graduation_id}`}>{tableData.graduation_name}</WordsBtn>
             <span className="color-grey-9 fl ml3 mr3">&gt;</span>
diff --git a/public/react/src/modules/courses/graduation/topics/GraduateTopicNew.js b/public/react/src/modules/courses/graduation/topics/GraduateTopicNew.js
index d71cec73b..569c76331 100644
--- a/public/react/src/modules/courses/graduation/topics/GraduateTopicNew.js
+++ b/public/react/src/modules/courses/graduation/topics/GraduateTopicNew.js
@@ -276,6 +276,7 @@ class GraduateTopicNew extends Component{
       course_name,
       left_banner_name
     } = this.state;
+    const { current_user } = this.props
     const { getFieldDecorator } = this.props.form;
     let{ topicId,coursesId }=this.props.match.params
     console.log(this.props);
@@ -322,7 +323,7 @@ class GraduateTopicNew extends Component{
           `}</style>
           <div className="edu-class-container edu-position courseForm">
             <p className="clearfix mb20 mt10">
-              <WordsBtn style="grey" className="fl" to={`/courses/${coursesId}`}>{course_name}</WordsBtn>
+              <WordsBtn style="grey" className="fl" to={current_user.first_category_url}>{course_name}</WordsBtn>
               <span className="color-grey-9 fl ml3 mr3">&gt;</span>
               <WordsBtn style="grey" className="fl" to={`/courses/${coursesId}/graduation_topics/${left_banner_id}`}>{left_banner_name}</WordsBtn>
               <span className="color-grey-9 fl ml3 mr3">&gt;</span>
diff --git a/public/react/src/modules/courses/poll/PollDetailIndex.js b/public/react/src/modules/courses/poll/PollDetailIndex.js
index 8e3f78d5c..9119b7902 100644
--- a/public/react/src/modules/courses/poll/PollDetailIndex.js
+++ b/public/react/src/modules/courses/poll/PollDetailIndex.js
@@ -110,7 +110,7 @@ class PollDetailIndex extends Component{
 	}
 	render(){
 		let {tab,pollDetail,user_permission}=this.state;
-
+		const { current_user } = this.props;
 		const isAdmin =this.props.isAdmin();
 		const isStudent = this.props.isStudent();
 		return(
@@ -123,7 +123,7 @@ class PollDetailIndex extends Component{
 				/>
 				<div className="educontent mt10 mb50">
 					<p className="clearfix mb20">
-						<WordsBtn style="grey" className="fl" to={`/courses/${this.props.match.params.coursesId}/students`}>{this.props.coursedata.name}</WordsBtn>
+						<WordsBtn style="grey" className="fl" to={current_user.first_category_url}>{this.props.coursedata.name}</WordsBtn>
 						<span className="color-grey-9 fl ml3 mr3">&gt;</span>
 						<WordsBtn style="grey" className="fl" to={`/courses/${this.props.match.params.coursesId}/polls/${user_permission && user_permission.left_banner_id}`}>问卷</WordsBtn>
 						<span className="color-grey-9 fl ml3 mr3">&gt;</span>
diff --git a/public/react/src/modules/courses/poll/PollInfo.js b/public/react/src/modules/courses/poll/PollInfo.js
index fc1d55385..f32d652c2 100644
--- a/public/react/src/modules/courses/poll/PollInfo.js
+++ b/public/react/src/modules/courses/poll/PollInfo.js
@@ -299,6 +299,7 @@ class PollInfo extends Component{
       modalSave,
       questionPanelFixed
     }=this.state;
+		const { current_user } = this.props
     let isAdmin=this.props.isAdmin();
     let isStudent=this.props.isStudent();
     return(
@@ -314,7 +315,7 @@ class PollInfo extends Component{
         ></Modals>
         <div className="educontent mt10 mb50">
           <p className="clearfix mb20">
-            <WordsBtn style="grey" className="fl" to={`/courses/${this.props.match.params.coursesId}/students`}>{courseName}</WordsBtn>
+            <WordsBtn style="grey" className="fl" to={current_user.first_category_url}>{courseName}</WordsBtn>
             <span className="color-grey-9 fl ml3 mr3">&gt;</span>
             <WordsBtn style="grey" className="fl" to={`/courses/${this.props.match.params.coursesId}/polls/${poll && poll.left_banner_id}`}>问卷</WordsBtn>
             <span className="color-grey-9 fl ml3 mr3">&gt;</span>
diff --git a/public/react/src/modules/courses/poll/PollNew.js b/public/react/src/modules/courses/poll/PollNew.js
index 0c4109ceb..cd559b75f 100644
--- a/public/react/src/modules/courses/poll/PollNew.js
+++ b/public/react/src/modules/courses/poll/PollNew.js
@@ -2320,12 +2320,17 @@ class PollNew extends Component {
 
 	}
 	gotohome=()=>{
-		let courseId=this.props.match.params.coursesId;
-		if(courseId===undefined){
-			this.props.history.push("/courses");
-		}else{
-			this.props.history.push(this.props.current_user.first_category_url);
-		}
+		const { current_user} = this.props
+
+		this.props.history.push(current_user.first_category_url);
+		
+
+		// let courseId=this.props.match.params.coursesId;
+		// if(courseId===undefined){
+		// 	this.props.history.push("/courses");
+		// }else{
+		// 	this.props.history.push(this.props.current_user.first_category_url);
+		// }
 	}
 	//试图
 	render() {