diff --git a/app/decorators/course_decorator.rb b/app/decorators/course_decorator.rb
index 9c76b058a..9c3340bbf 100644
--- a/app/decorators/course_decorator.rb
+++ b/app/decorators/course_decorator.rb
@@ -1,5 +1,5 @@
 module CourseDecorator
   def can_visited?
-    is_public == 1 || User.current.admin? || User.current.member_of_course?(self)
+    is_public == 1 || User.current.admin_or_business? || User.current.member_of_course?(self)
   end
 end
\ No newline at end of file
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 7e9fd652b..099d45406 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -62,15 +62,18 @@ module ApplicationHelper
 
   # shixun开启挑战对应的行为名及url
   def task_operation_url current_myshixun, shixun
-    url = "/shixuns/#{shixun.identifier}/shixun_exec"
-    name =
-      if current_myshixun.blank?
-        shixun.status == 0 ? "模拟实战" : "开启挑战"
-      elsif  current_myshixun.status == 1
-        "查看实战"
+    if current_myshixun.blank?
+      name = shixun.status == 0 ? "模拟实战" : "开启挑战"
+      url = "/shixuns/#{shixun.identifier}/shixun_exec"
+    else
+      identifier = current_myshixun.current_task(current_myshixun.games).try(:identifier)
+      if current_myshixun.status == 1
+        name = "查看实战"
       else
-        "继续挑战"
+        name = "继续挑战"
       end
+      url = identifier
+    end
     [name, url]
   end
 
diff --git a/public/react/src/modules/courses/shixunHomework/ShixunhomeWorkItem.js b/public/react/src/modules/courses/shixunHomework/ShixunhomeWorkItem.js
index 61ed59d7b..d97b58cca 100644
--- a/public/react/src/modules/courses/shixunHomework/ShixunhomeWorkItem.js
+++ b/public/react/src/modules/courses/shixunHomework/ShixunhomeWorkItem.js
@@ -56,16 +56,17 @@ class ShixunhomeWorkItem extends Component{
       startbtn:true,
     })
     let url= list+".json";
+    const w=window.open('about:blank');
     axios.get(url).then((response) => {
 
       if(response.status===200){
         if(response.data.status===-2){
-
           this.setState({
             startbtn:false,
             shixunsreplace:true,
             hidestartshixunsreplacevalue:response.data.message+".json"
           })
+          w.close()
         }else if(response.data.status===-1){
           console.log(response)
         }else if(response.data.status===-3){
@@ -74,11 +75,9 @@ class ShixunhomeWorkItem extends Component{
             startshixunCombattype:true,
             startbtn:false
           })
+          w.close()
         }else{
-
           if(response.data.status!=401&&response.data.status!=403){
-
-            const w=window.open('about:blank');
             w.location.href= "/tasks/"+response.data.game_identifier
           }
 
@@ -88,6 +87,8 @@ class ShixunhomeWorkItem extends Component{
       this.setState({
         startbtn:false
       })
+      w.close()
+
     });
 
   }
diff --git a/public/react/src/modules/message/js/MessagSub.js b/public/react/src/modules/message/js/MessagSub.js
index 8f27b16d0..ef0d35dd1 100644
--- a/public/react/src/modules/message/js/MessagSub.js
+++ b/public/react/src/modules/message/js/MessagSub.js
@@ -127,6 +127,7 @@ class MessagSub extends Component{
 				 // 账号管理页-认证信息
 				 return   window.open("/account/certification")
 			 }
+			 return ;
 			case "CancelUserAuthentication" :
 				// 账号管理页-认证信息
 				return  window.open("/account/certification")
@@ -142,6 +143,7 @@ class MessagSub extends Component{
 					// 账号管理页/account/profile
 					return    window.open("/account/profile")
 				}
+				return ;
 			case "ApplyAddSchools" :
 				if(item.tiding_type==="Apply"){
 					// 单位审批
@@ -151,6 +153,7 @@ class MessagSub extends Component{
 					//  账号管理页
 					return   window.open("/account/profile")
 				}
+				return ;
 			case "ApplyAction" :
 				 switch (item.parent_container_type) {
 					 case "ApplyShixun" :
@@ -181,6 +184,7 @@ class MessagSub extends Component{
 							 return    window.open("/account/profile")
 						 }
 				 }
+				 return ;
 			case 'JoinCourse' :
 				// 课堂详情页 :id =
 				return    window.open(`/courses/${item.belong_container_id}/teachers`)
@@ -256,7 +260,10 @@ class MessagSub extends Component{
 				 }
 			case "Memo" :
 				// 交流问答页 :id = parent_container_id
-				return   window.open(`/forums/${item.parent_container_id}`)
+				return   window.open(`/forums/${item.parent_container_id}`);
+			case "Message" :
+				// 交流问答页 :id = parent_container_id
+				return   window.open(`/forums/`);
 			case "Watcher" :
 				// 用户个人中心页 :id = item.trigger_user.login
 				return window.open(`/users/${item.trigger_user.login}/courses`)
@@ -446,6 +453,9 @@ class MessagSub extends Component{
 					return window.open(`/moop_cases/${item.container_id}`)
 				}
 			case "ProjectPackage" :
+				if(item.tiding_type==="Destroyed"){
+					return ;
+				}
 				if(item.tiding_type==="Destroyed_end"){
 					return ;
 				}else {
@@ -529,6 +539,9 @@ class MessagSub extends Component{
                     if(item.tiding_type==="Destroyed_end"){
 											boolps=false;
 										}
+                    if(item.tiding_type==="Destroyed"){
+											boolps=false;
+										}
 								 }
 								 if(item.container_type==="Course"){
 									 if(item.tiding_type==="Delete"){