diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index fd3aa6ebf..48a4a560c 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -397,6 +397,8 @@ class CoursesService
     if course
       if course_endTime_timeout? course
         @state = 2
+      elsif course[:is_delete] == 1
+        @state = 11
       else
         if current_user.member_of_course?(course) #如果已经是成员
           @state = 3
diff --git a/app/views/admin/_courselist_detail_tr.html.erb b/app/views/admin/_courselist_detail_tr.html.erb
index 83b7904ce..6bec90845 100644
--- a/app/views/admin/_courselist_detail_tr.html.erb
+++ b/app/views/admin/_courselist_detail_tr.html.erb
@@ -7,7 +7,7 @@
             </span>
 </td>
 <td align="center">
-  <%= link_to(course.teacher.show_name.truncate(6, omission: '...'), user_path(course.teacher)) %>
+  <%= link_to(course.teacher.show_name, user_path(course.teacher)) %>
 </td>
 <td align="center">
   <%= course.class_period %>
diff --git a/app/views/admin/non_syllabus_courses.html.erb b/app/views/admin/non_syllabus_courses.html.erb
index 1be979eeb..c5a2c81ec 100644
--- a/app/views/admin/non_syllabus_courses.html.erb
+++ b/app/views/admin/non_syllabus_courses.html.erb
@@ -72,7 +72,7 @@
             </span>
           </td>
           <td align="center">
-            <%= link_to(course.teacher.show_name.truncate(6, omission: '...'), user_path(course.teacher)) %>
+            <%= link_to(course.teacher.show_name, user_path(course.teacher)) %>
           </td>
           <td align="center">
             <%= course.class_period %>
diff --git a/app/views/admin/syllabuses.html.erb b/app/views/admin/syllabuses.html.erb
index 194091abc..5098131da 100644
--- a/app/views/admin/syllabuses.html.erb
+++ b/app/views/admin/syllabuses.html.erb
@@ -52,7 +52,7 @@
           <td class="center">
           </td>
           <td align="center">
-            <%= link_to(syllabus.try(:user).try(:realname).truncate(6, omission: '...'), user_path(syllabus.user)) %>
+            <%= link_to syllabus.user.show_name, user_path(syllabus.user) %>
           </td>
           <td class="center">
             <%= format_date(syllabus.created_at) %>
@@ -70,7 +70,7 @@
                 <%= render :partial => 'admin/rename_course_name', :locals => {:course => course} %>
               </td>
               <td align="center">
-                <%= link_to(course.try(:teacher).try(:realname).truncate(6, omission: '...'), user_path(course.teacher)) %>
+                <%= link_to(course.teacher.show_name, user_path(course.teacher)) %>
               </td>
               <td class="center">
                 <%= format_date(course.created_at) %>