diff --git a/app/controllers/users/private_messages_controller.rb b/app/controllers/users/private_messages_controller.rb
index b80b6152b..3a5635ef7 100644
--- a/app/controllers/users/private_messages_controller.rb
+++ b/app/controllers/users/private_messages_controller.rb
@@ -9,6 +9,8 @@ class Users::PrivateMessagesController < Users::BaseController
     query = "SELECT subquery.*, COUNT(*) message_count FROM (#{subquery}) subquery "\
             "GROUP BY subquery.target_id ORDER BY subquery.send_time desc LIMIT #{limit_value} OFFSET #{offset_value}"
     @messages = PrivateMessage.select('*').from("(#{query}) AS query").includes(target: :user_extension)
+
+    observed_user.private_messages.only_unread.update_all(status: 1)
   end
 
   def create
diff --git a/public/react/src/modules/message/js/MessagSub.js b/public/react/src/modules/message/js/MessagSub.js
index 8b4c7d30d..12a922ea9 100644
--- a/public/react/src/modules/message/js/MessagSub.js
+++ b/public/react/src/modules/message/js/MessagSub.js
@@ -183,10 +183,16 @@ class MessagSub extends Component{
 				 }
 			case 'JoinCourse' :
 				// 课堂详情页 :id =
-				return    window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.container_id}`)
+				return    window.open(`/courses/${item.belong_container_id}/teachers`)
 			case 'StudentJoinCourse':
 				// 课堂详情页 :id = container_id
-				return   window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.container_id}`)
+				if(item.tiding_type === 'Apply') {
+					return   window.open(`/courses/${item.belong_container_id}/teachers`);
+				}
+				if(item.tiding_type === 'System'){
+					//教学案例详情 :id = container_id
+					return   window.open(`/courses/${item.belong_container_id}/students`);
+				}
 			case  'DealCourse':
 				// 课堂详情页 :id = container_id
 				return   window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.container_id}`)
@@ -195,6 +201,10 @@ class MessagSub extends Component{
 				return   window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.container_id}`)
 			case  'Course' :
 				// 课堂详情页 :id = container_id
+				if(item.tiding_type==="Delete"){
+
+        return;
+				}
 				return   window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.container_id}`)
 			case 'ArchiveCourse' :
 				// 课堂详情页 :id = container_id
@@ -222,7 +232,7 @@ class MessagSub extends Component{
 						 }
 						 if(item.homework_type==="practice"){
 							 //实训作业
-							 return window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.parent_container_id}/`)
+							 return window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.parent_container_id}/list?tab=1`)
 						 }
 						 return "";
 					 case "GraduationTopic" :
@@ -240,7 +250,7 @@ class MessagSub extends Component{
 						 }
 						 if(item.homework_type==="practice"){
 							 //实训作业
-							 return window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.parent_container_id}/`)
+							 return window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.parent_container_id}/list?tab=1`)
 						 }
 						 return "";
 				 }
@@ -283,10 +293,12 @@ class MessagSub extends Component{
 				switch (item.parent_container_type) {
 					case "CommitExercise":
 						// 课堂-学生试卷详情 :id = container_id :user_id = trigger_user.id
-						return window.open(`	/courses/${item.belong_container_id}/exercises/${item.container_id}/student_exercise_list?tab=0`)
+						return window.open(`	/courses/${item.belong_container_id}/exercises/${item.container_id}/student_exercise_list?tab=0`);
+					//记得跳评阅页面
 					case "ExerciseScore":
 						// 课堂-学生试卷详情 :id = container_id :user_id = trigger_user.id
-						return window.open(`	/courses/${item.belong_container_id}/exercises/${item.container_id}/student_exercise_list?tab=0`)
+						return window.open(`	/courses/${item.belong_container_id}/exercises/${item.container_id}/student_exercise_list?tab=0`);
+						//记得跳评阅页面
 					default :
 						// 课堂-试卷列表详情 :id = container_id
 						return window.open(`/courses/${item.belong_container_id}/exercises/${item.container_id}`)
@@ -367,15 +379,15 @@ class MessagSub extends Component{
 				//课堂-作业 :id = container_id
 				if(item.homework_type==="normal"){
 					//普通作业
-					return window.open(`/courses/${item.belong_container_id}/common_homeworks/${item.container_id}/list`)
+					return window.open(`/courses/${item.belong_container_id}/common_homeworks/${item.parent_container_id}/${item.container_id}/appraise`)
 				}
 				if(item.homework_type==="group"){
-					//分组作业
-					return window.open(`/courses/${item.belong_container_id}/group_homeworks/${item.container_id}/list`)
+					//分组作业/courses/1208/group_homeworks/22373/1219130/appraise
+					return window.open(`/courses/${item.belong_container_id}/group_homeworks/${item.parent_container_id}/${item.container_id}/appraise`)
 				}
 				if(item.homework_type==="practice"){
 					//实训作业
-					return window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.container_id}/list?tab=0`)
+					return window.open(`/courses/${item.belong_container_id}/shixun_homeworks/${item.parent_container_id}/list?tab=0`)
 				}
 			case "StudentWorksScore" :
 				//课堂-作业 :id = parent_container_id
@@ -414,7 +426,7 @@ class MessagSub extends Component{
 				return window.open(`/managements/mirror_repository`)
 			case "Journal" :
 				//项目Issue页 :id = parent_container_id
-				return window.open(`/projects/${item.parent_container_id}/issues?remote=true`)
+				return window.open(`/issues/${item.parent_container_id}`);
 			case "Issue" :
 				//项目Issue页 :id = container_id
 				return window.open(`/issues/${item.container_id}`)
@@ -518,6 +530,12 @@ class MessagSub extends Component{
 											boolps=false;
 										}
 								 }
+								 if(item.container_type==="Course"){
+									 if(item.tiding_type==="Delete"){
+										 boolps=false;
+									 }
+								 }
+
 								 return(
 									 <div className="pl25 ridinglist edu-back-white" key={key}>
 										 <div className={boolps===true?"ridinglist-sub clearfix df tiding_item":"ridinglist-subs clearfix df tiding_item"} onClick={()=>this.gettourl(item)}>
@@ -544,7 +562,7 @@ class MessagSub extends Component{
 													 	`
 													 }
 												 </style>
-												 <p className="color-grey-6 break_word_firefox yslspansk markdown-body" style={{wordBreak: "break-word"}} dangerouslySetInnerHTML={{__html: markdownToHTML(item.content).replace(/▁/g, "▁▁▁")}} ></p>
+												 <p className="color-grey-6 break_word_firefox yslspansk markdown-body mt3" style={{wordBreak: "break-word"}} dangerouslySetInnerHTML={{__html: markdownToHTML(item.content).replace(/▁/g, "▁▁▁")}} ></p>
 											 </div>
 
 											 <span className={item.new_tiding===true?"new-point fr mr40 mt22":""}></span>