diff --git a/db/migrate/20190823023738_change_exericse_1936_scores.rb b/db/migrate/20190823090957_rechange_exercise_1936_scores.rb
similarity index 93%
rename from db/migrate/20190823023738_change_exericse_1936_scores.rb
rename to db/migrate/20190823090957_rechange_exercise_1936_scores.rb
index ea3f66182..f089714ee 100644
--- a/db/migrate/20190823023738_change_exericse_1936_scores.rb
+++ b/db/migrate/20190823090957_rechange_exercise_1936_scores.rb
@@ -1,4 +1,4 @@
-class ChangeExericse1936Scores < ActiveRecord::Migration[5.2]
+class RechangeExercise1936Scores < ActiveRecord::Migration[5.2]
   include ExercisesHelper
   def change
     #1936的试卷成绩有问题。
diff --git a/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js b/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js
index a37e58a92..64e2e6a99 100644
--- a/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js
+++ b/public/react/src/modules/courses/shixunHomework/Listofworksstudentone.js
@@ -369,9 +369,9 @@ class Listofworksstudentone extends Component {
                         {
 													record.submitstate === "未提交" ?<span style={{	color: '#9A9A9A'}}>--</span>
 														:
-														<span style={{textAlign: "center"}}
+														<a style={{textAlign: "center"}}
 																	className="color-blue"
-																	onClick={() => this.Viewstudenttraininginformation(record)}>{record.operating}</span>
+																	onClick={() => this.Viewstudenttraininginformation(record)}>{record.operating}</a>
 												}
 
         </span>
diff --git a/public/react/src/modules/courses/shixunHomework/ShixunHomeworkPage.js b/public/react/src/modules/courses/shixunHomework/ShixunHomeworkPage.js
index 9b78729a9..dddd39989 100644
--- a/public/react/src/modules/courses/shixunHomework/ShixunHomeworkPage.js
+++ b/public/react/src/modules/courses/shixunHomework/ShixunHomeworkPage.js
@@ -116,7 +116,7 @@ class ShixunHomeworkPage extends Component {
 		// console.log(this.props)
 		let {jobsettingsdatapage}=this.state
 
-		this.props.history.replace(`/courses/${this.props.match.params.coursesId}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.mian ===  1 ? "shixun_homeworks" :"shixun_homework"}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.category_id === undefined ? "" : jobsettingsdatapage.data.category.category_id}`);
+		this.props.history.replace(`/courses/${this.props.match.params.coursesId}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.main ===  1 ? "shixun_homeworks" :"shixun_homework"}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.category_id === undefined ? "" : jobsettingsdatapage.data.category.category_id}`);
 	}
 	render() {
 		let {tab, teacherdatapage,  jobsettingsdatapage} = this.state;
@@ -134,11 +134,11 @@ class ShixunHomeworkPage extends Component {
 
 					<div className="educontent mb20">
 						<p className="clearfix mb20 mt10">
-							<Link className="btn colorgrey fl hovercolorblue " to={this.props.current_user.first_category_url}>{jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.course_name}</Link>
+							<a className="btn colorgrey fl hovercolorblue " href={this.props.current_user&&this.props.current_user.first_category_url}>{jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.course_name}</a>
 							<span className="color-grey-9 fl ml3 mr3">&gt;</span>
 							<a
 								className=" btn colorgrey fl hovercolorblue "
-								href={`/courses/${this.props.match.params.coursesId}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.mian ===  1 ? "shixun_homeworks" :"shixun_homework"}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.category_id === undefined ? "" : jobsettingsdatapage.data.category.category_id}`}>{jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.category_name}</a>
+								href={`/courses/${this.props.match.params.coursesId}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.main ===  1 ? "shixun_homeworks" :"shixun_homework"}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.category_id === undefined ? "" : jobsettingsdatapage.data.category.category_id}`}>{jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.category_name}</a>
 							<span className="color-grey-9 fl ml3 mr3">&gt;</span>
 							<WordsBtn className="fl">作业详情</WordsBtn>
 						</p>
@@ -238,14 +238,14 @@ class ShixunHomeworkPage extends Component {
 										<a className="fr color-blue font-16" onClick={(child)=>this.workshowmodels(this.child)}>代码查重</a>
 										: "" : ""}
 								{this.state.view_report === true ? <Link className="fr color-blue font-16" target={"_blank"}
-																												 to={`/courses/${this.props.match.params.coursesId}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.mian ===  1 ? "shixun_homeworks" :"shixun_homework"}/${teacherdatapage&&teacherdatapage.work_id}/shixun_work_report`}>
+																												 to={`/courses/${this.props.match.params.coursesId}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.main ===  1 ? "shixun_homeworks" :"shixun_homework"}/${teacherdatapage&&teacherdatapage.work_id}/shixun_work_report`}>
 									查看实训报告
 								</Link> : ""}
 								{
 									teacherdatapage === undefined ? ""
 										: teacherdatapage.commit_des === null || teacherdatapage.commit_des === undefined ? "" :
 										<a className="fr color-blue font-16"
-											 href={`/courses/${this.props.match.params.coursesId}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.mian ===  1 ? "shixun_homeworks" :"shixun_homework"}/${teacherdatapage === undefined ? "" : teacherdatapage.id}/commitsummary/${this.props.match.params.homeworkid}`}>{teacherdatapage.commit_des}</a>
+											 href={`/courses/${this.props.match.params.coursesId}/${jobsettingsdatapage === undefined ? "" : jobsettingsdatapage.data.category.main ===  1 ? "shixun_homeworks" :"shixun_homework"}/${teacherdatapage === undefined ? "" : teacherdatapage.id}/commitsummary/${this.props.match.params.homeworkid}`}>{teacherdatapage.commit_des}</a>
 								}
 								{teacherdatapage === undefined ? "" : <Startshixuntask
 									{...this.props}
diff --git a/public/react/src/modules/paths/PathNew.js b/public/react/src/modules/paths/PathNew.js
index 4616660f0..6178ae82e 100644
--- a/public/react/src/modules/paths/PathNew.js
+++ b/public/react/src/modules/paths/PathNew.js
@@ -107,7 +107,7 @@ class PathNew extends Component{
       window.location.href="#part_Des";
       return;
     }
-    if (des.length > 5000) {
+    if (des.length > 8000) {
       this.props.showSnackbar("实践课程的简介最大限制5000个字符");
       window.location.href="#part_Des";
       return;
@@ -118,7 +118,7 @@ class PathNew extends Component{
       window.location.href="#part_point";
       return;
     }
-    if(point.length > 500){
+    if(point.length > 2000){
       this.props.showSnackbar("实践课程的学习须知最大限制500个字符");
       window.location.href="#part_point";
       return;