diff --git a/app/controllers/homework_common_controller.rb b/app/controllers/homework_common_controller.rb
index d8188ca74..fabacf1ba 100644
--- a/app/controllers/homework_common_controller.rb
+++ b/app/controllers/homework_common_controller.rb
@@ -89,7 +89,7 @@ class HomeworkCommonController < ApplicationController
         homework_detail_manual.comment_status = 1
       end
       eval_start = homework_detail_manual.evaluation_start
-      if eval_start <= @homework.end_time && homework_detail_manual.comment_status <= 1
+      if eval_start.nil? || (eval_start <= @homework.end_time && homework_detail_manual.comment_status <= 1)
         homework_detail_manual.evaluation_start = @homework.end_time + 7
         homework_detail_manual.evaluation_end = homework_detail_manual.evaluation_start + 7
       end
diff --git a/app/controllers/student_work_controller.rb b/app/controllers/student_work_controller.rb
index e7c10f9eb..95117e6a8 100644
--- a/app/controllers/student_work_controller.rb
+++ b/app/controllers/student_work_controller.rb
@@ -791,7 +791,7 @@ class StudentWorkController < ApplicationController
     if homework_detail_manual.ta_proportion.to_s != params[:ta_proportion].to_s || @homework.teacher_priority.to_s != teacher_priority.to_s || (homework_detail_programing && homework_detail_programing.ta_proportion.to_s != params[:sy_proportion].to_s)
       homework_detail_manual.ta_proportion = params[:ta_proportion]
       homework_detail_programing.ta_proportion = params[:sy_proportion] if homework_detail_programing
-      @homework.teacher_priority = teacher_priority
+      @homework.update_column('teacher_priority', teacher_priority)
 
       homework_detail_manual.save if homework_detail_manual
       homework_detail_programing.save if homework_detail_programing
@@ -1174,8 +1174,12 @@ class StudentWorkController < ApplicationController
               final_score = final_ta_score + final_s_score
               student_work.final_score = format("%.2f",final_score.to_f)
             end
-            score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty if student_work.final_score
-            student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+            if student_work.final_score
+              score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty
+              student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+            else
+              student_work.work_score = nil
+            end
           end
         else  #不考虑教师评分
           if student_work.teaching_asistant_score.nil?
@@ -1189,8 +1193,12 @@ class StudentWorkController < ApplicationController
             final_score = final_ta_score + final_s_score
             student_work.final_score = format("%.2f",final_score.to_f)
           end
-          score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty if student_work.final_score
-          student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+          if student_work.final_score
+            score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty
+            student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+          else
+            student_work.work_score = nil
+          end
         end
       elsif homework.homework_type == 2 && homework.homework_detail_programing #编程作业-----设定：系统评分必定不为空
         if homework.teacher_priority == 1 #教师优先
@@ -1225,8 +1233,12 @@ class StudentWorkController < ApplicationController
               final_score = final_sy_score + final_ts_score + final_st_score
               student_work.final_score = format("%.2f",final_score.to_f)
             end
-            score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty if student_work.final_score
-            student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+            if student_work.final_score
+              score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty
+              student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+            else
+              student_work.work_score = nil
+            end
           end
         else  #不考虑教师评分
           if student_work.teaching_asistant_score.nil? #教辅未评分
@@ -1256,8 +1268,12 @@ class StudentWorkController < ApplicationController
             final_score = final_sy_score + final_ts_score + final_st_score
             student_work.final_score = format("%.2f",final_score.to_f)
           end
-          score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty if student_work.final_score
-          student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+          if student_work.final_score
+            score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty
+            student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+          else
+            student_work.work_score = nil
+          end
         end
       end
     end
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 63656ba5e..ee2a8ca91 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -477,8 +477,8 @@ class UsersController < ApplicationController
       ah = ApplyHomework.where("user_id = ? and homework_common_id = ?", User.current.id, params[:send_id].to_i)
       if ah.empty?
         @status = 2
-      elsif ah.first.status == 1
-        @status = 1
+      elsif ah.first.status != 2
+        @status = ah.first.status
       end
     end
     if !params[:search].nil?
diff --git a/app/models/student_work.rb b/app/models/student_work.rb
index 3abd4276a..ddd91df38 100644
--- a/app/models/student_work.rb
+++ b/app/models/student_work.rb
@@ -63,11 +63,17 @@ class StudentWork < ActiveRecord::Base
               final_score = final_ta_score + final_s_score
               student_work.final_score = format("%.2f",final_score.to_f)
             end
-            score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty if student_work.final_score
-            student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+            if student_work.final_score
+              score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty
+              student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+            else
+              student_work.work_score = nil
+            end
           end
         else  #不考虑教师评分
-          if student_work.teaching_asistant_score.nil?
+          if student_work.student_score.nil? && student_work.teaching_asistant_score.nil?
+            student_work.final_score = student_work.teacher_score
+          elsif student_work.teaching_asistant_score.nil?
             student_work.final_score = student_work.student_score
           elsif student_work.student_score.nil?
             student_work.final_score = student_work.teaching_asistant_score
@@ -78,8 +84,12 @@ class StudentWork < ActiveRecord::Base
             final_score = final_ta_score + final_s_score
             student_work.final_score = format("%.2f",final_score.to_f)
           end
-          score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty if student_work.final_score
-          student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+          if student_work.final_score
+            score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty
+            student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+          else
+            student_work.work_score = nil
+          end
         end
       elsif homework.homework_type == 2 && homework.homework_detail_programing #编程作业-----设定：系统评分必定不为空
         if homework.teacher_priority == 1 #教师优先
@@ -114,9 +124,13 @@ class StudentWork < ActiveRecord::Base
               final_score = final_sy_score + final_ts_score + final_st_score
               student_work.final_score = format("%.2f",final_score.to_f)
             end
-            score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty if student_work.final_score
-            student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
-          end
+            if student_work.final_score
+              score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty
+              student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+            else
+              student_work.work_score = nil
+            end
+            end
         else  #不考虑教师评分
           if student_work.teaching_asistant_score.nil? #教辅未评分
             if student_work.student_score.nil?
@@ -145,8 +159,12 @@ class StudentWork < ActiveRecord::Base
             final_score = final_sy_score + final_ts_score + final_st_score
             student_work.final_score = format("%.2f",final_score.to_f)
           end
-          score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty if student_work.final_score
-          student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+          if student_work.final_score
+            score = student_work.final_score - student_work.absence_penalty - student_work.late_penalty
+            student_work.work_score = format("%.2f",(score < 0 ? 0 : score).to_f) if score
+          else
+            student_work.work_score = nil
+          end
         end
       end
     end
diff --git a/app/views/news/_course_show.html.erb b/app/views/news/_course_show.html.erb
index 3236aa6a0..ee9d63720 100644
--- a/app/views/news/_course_show.html.erb
+++ b/app/views/news/_course_show.html.erb
@@ -97,11 +97,19 @@
   </div>
   <div class="cl"></div>
   <div class="homepagePostReply">
+    <div class="homepagePostReplyBanner">
+      <div class="homepagePostReplyBannerCount">回复
+        <sapn class="mr15"><%= @comments.count>0 ? "（#{@comments.count}）" : "" %></sapn><span style="color: #cecece;">▪</span>
+        <span id="praise_count_<%=@news.id %>">
+          <% if @news.author == User.current %>
+            <span class="ml15 likeButton" title="不能自己赞自己哦！"> <span class="likeText">赞</span><span class="likeNum"><%= get_praise_num(@news) > 0 ? "（#{get_praise_num(@news)}）" : "" %></span></span>
+          <% else %>
+            <%=render :partial=> "praise_tread/praise", :locals => {:activity=>@news, :user_activity_id=>@news.id,:type=>"activity"}%>
+          <% end %>
+        </span>
+      </div>
+    </div>
     <% unless @comments.empty? %>
-        <div class="homepagePostReplyBanner">
-          <div class="homepagePostReplyBannerCount">回复（<%=@comments.count %>）</div>
-          <div class="homepagePostReplyBannerTime"></div>
-        </div>
         <div class="" id="reply_div_<%=@news.id %>">
           <% @comments.each_with_index  do |reply,i| %>
               <script type="text/javascript">
@@ -127,13 +135,20 @@
                   <div style="margin-top: -7px; margin-bottom: 5px">
                     <%= format_time(reply.created_on) %>
                     <div class="fr" id="reply_edit_menu_<%= reply.id%>" style="display: none">
+                      <span id="reply_praise_count_<%=reply.id %>">
+                          <% if reply.author == User.current %>
+                            <span class="fr newsGrey" title="不能自己赞自己哦！"> <span class="likeText">赞</span><span class="likeNum"><%= get_praise_num(reply) > 0 ? "（#{get_praise_num(reply)}）" : "" %></span></span>
+                          <% else %>
+                            <%=render :partial=> "praise_tread/praise", :locals => {:activity=>reply, :user_activity_id=>reply.id,:type=>"reply"}%>
+                          <% end %>
+                      </span>
                       <%= link_to_if_authorized_course(
                                   l(:button_delete),
                                   {:controller => 'comments',
                                   :action => 'destroy', :id => @news,
                                   :comment_id => reply},
                                   :method => :delete,
-                                  :class => 'fr newsGrey',
+                                  :class => 'fr newsGrey mr10',
                                   :data => {:confirm => l(:text_are_you_sure)},
                                   :title => l(:button_delete)
                           ) %>
diff --git a/app/views/organizations/_org_course_create.html.erb b/app/views/organizations/_org_course_create.html.erb
index 875c45059..a09246dc7 100644
--- a/app/views/organizations/_org_course_create.html.erb
+++ b/app/views/organizations/_org_course_create.html.erb
@@ -34,4 +34,9 @@
     </div>
     <div class="cl"></div>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/organizations/_org_course_homework.html.erb b/app/views/organizations/_org_course_homework.html.erb
index 4ac2ebcbf..4ffaa93fb 100644
--- a/app/views/organizations/_org_course_homework.html.erb
+++ b/app/views/organizations/_org_course_homework.html.erb
@@ -211,7 +211,7 @@
                     <div class="relatePInfo" id="relatePInfo_<%=project.id %>_<%=activity.id %>">
                       项目名称：<%=project.name %><br />
                       创建者：<%=(User.find project.user_id).show_name %>(组长)<br />
-                      更新时间：<%=time_from_now time %>
+                      更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : time %>
                     </div>
                   </div>
                   <% if i == 9 && projects.count > 10 %>
@@ -372,4 +372,7 @@
         $("#relatePWrap_<%=user_activity_id %>").toggleClass('relatePWrap');
         $("#moreProject_<%=user_activity_id %>").show();
     });
+    $(function(){
+        user_card_show_hide();
+    });
 </script>
\ No newline at end of file
diff --git a/app/views/organizations/_org_course_message.html.erb b/app/views/organizations/_org_course_message.html.erb
index 9a9943e9b..56dafed08 100644
--- a/app/views/organizations/_org_course_message.html.erb
+++ b/app/views/organizations/_org_course_message.html.erb
@@ -157,3 +157,8 @@
     <% end %>
   </div>
 </div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
diff --git a/app/views/organizations/_org_course_news.html.erb b/app/views/organizations/_org_course_news.html.erb
index 7f50b3725..a6183e891 100644
--- a/app/views/organizations/_org_course_news.html.erb
+++ b/app/views/organizations/_org_course_news.html.erb
@@ -121,3 +121,8 @@
     </div>
   </div>
 </div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
diff --git a/app/views/organizations/_org_course_poll.html.erb b/app/views/organizations/_org_course_poll.html.erb
index 10d1919a2..cb390f7f5 100644
--- a/app/views/organizations/_org_course_poll.html.erb
+++ b/app/views/organizations/_org_course_poll.html.erb
@@ -56,3 +56,8 @@
       </div>
     </div>
 <% end %>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
diff --git a/app/views/organizations/_org_project_issue.html.erb b/app/views/organizations/_org_project_issue.html.erb
index 9b7dbfa8f..98c1e2df3 100644
--- a/app/views/organizations/_org_project_issue.html.erb
+++ b/app/views/organizations/_org_project_issue.html.erb
@@ -139,3 +139,8 @@
 
   </div>
 </div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
diff --git a/app/views/organizations/_org_subfield_message.html.erb b/app/views/organizations/_org_subfield_message.html.erb
index bf0cc8734..fc6cc6ee0 100644
--- a/app/views/organizations/_org_subfield_message.html.erb
+++ b/app/views/organizations/_org_subfield_message.html.erb
@@ -159,3 +159,8 @@
 
   </div>
 </div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
diff --git a/app/views/organizations/_org_subfield_news.html.erb b/app/views/organizations/_org_subfield_news.html.erb
index 3d2a316cf..daa81e96c 100644
--- a/app/views/organizations/_org_subfield_news.html.erb
+++ b/app/views/organizations/_org_subfield_news.html.erb
@@ -143,4 +143,7 @@
 </div>
 <script type="text/javascript">
     $(description_show_hide(<%=user_activity_id %>));
+    $(function(){
+        user_card_show_hide();
+    });
 </script>
diff --git a/app/views/organizations/_project_create.html.erb b/app/views/organizations/_project_create.html.erb
index 5003fd0e2..ef59d154e 100644
--- a/app/views/organizations/_project_create.html.erb
+++ b/app/views/organizations/_project_create.html.erb
@@ -36,4 +36,9 @@
     </div>
     <div class="cl"></div>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/organizations/_project_message.html.erb b/app/views/organizations/_project_message.html.erb
index a818939d6..26cf3b318 100644
--- a/app/views/organizations/_project_message.html.erb
+++ b/app/views/organizations/_project_message.html.erb
@@ -133,3 +133,8 @@
 
   </div>
 </div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
diff --git a/app/views/organizations/_show_org_document.html.erb b/app/views/organizations/_show_org_document.html.erb
index fdd6772e7..6012dd0d4 100644
--- a/app/views/organizations/_show_org_document.html.erb
+++ b/app/views/organizations/_show_org_document.html.erb
@@ -152,4 +152,7 @@
             target.eq(2).show();
         }
     }
+    $(function(){
+        user_card_show_hide();
+    });
 </script>
\ No newline at end of file
diff --git a/app/views/projects/_project_create.html.erb b/app/views/projects/_project_create.html.erb
index ef0c7c4c3..bd118418d 100644
--- a/app/views/projects/_project_create.html.erb
+++ b/app/views/projects/_project_create.html.erb
@@ -36,4 +36,9 @@
     </div>
     <div class="cl"></div>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/projects/_project_news.html.erb b/app/views/projects/_project_news.html.erb
index 4ea0e9f17..8756ff26f 100644
--- a/app/views/projects/_project_news.html.erb
+++ b/app/views/projects/_project_news.html.erb
@@ -120,4 +120,9 @@
       <div class="cl"></div>
     </div>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/users/_course_attachment.html.erb b/app/views/users/_course_attachment.html.erb
index 6f6cf82f3..63c57f708 100644
--- a/app/views/users/_course_attachment.html.erb
+++ b/app/views/users/_course_attachment.html.erb
@@ -38,4 +38,9 @@
     </div>
     <div class="cl"></div>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/users/_course_create.html.erb b/app/views/users/_course_create.html.erb
index dc1e0ee81..6b2234337 100644
--- a/app/views/users/_course_create.html.erb
+++ b/app/views/users/_course_create.html.erb
@@ -34,4 +34,9 @@
     </div>
     <div class="cl"></div>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/users/_course_homework.html.erb b/app/views/users/_course_homework.html.erb
index 743090a4d..7afc65cc3 100644
--- a/app/views/users/_course_homework.html.erb
+++ b/app/views/users/_course_homework.html.erb
@@ -226,7 +226,7 @@
                 <div class="relatePInfo" id="relatePInfo_<%=project.id %>_<%=activity.id %>">
                   项目名称：<%=project.name %><br />
                   创建者：<%=(User.find project.user_id).show_name %>(组长)<br />
-                  更新时间：<%=time_from_now time %>
+                  更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : time %>
                 </div>
               </div>
               <% if i == 9 && projects.count > 10 %>
@@ -388,4 +388,7 @@
         $("#relatePWrap_<%=user_activity_id %>").toggleClass('relatePWrap');
         $("#moreProject_<%=user_activity_id %>").show();
     });
+    $(function(){
+        user_card_show_hide();
+    });
 </script>
diff --git a/app/views/users/_course_journalsformessage.html.erb b/app/views/users/_course_journalsformessage.html.erb
index f9a59f024..1d0c4cba5 100644
--- a/app/views/users/_course_journalsformessage.html.erb
+++ b/app/views/users/_course_journalsformessage.html.erb
@@ -107,4 +107,9 @@
     </div>
   </div>
 </div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
 
diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index 56133d1de..356a152a6 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -174,4 +174,9 @@
         </div>
     <% end %>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/users/_course_news.html.erb b/app/views/users/_course_news.html.erb
index efaa72beb..403a922ed 100644
--- a/app/views/users/_course_news.html.erb
+++ b/app/views/users/_course_news.html.erb
@@ -146,3 +146,8 @@
     </div>
   </div>
 </div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
diff --git a/app/views/users/_course_poll.html.erb b/app/views/users/_course_poll.html.erb
index 970fb516e..dab970cdf 100644
--- a/app/views/users/_course_poll.html.erb
+++ b/app/views/users/_course_poll.html.erb
@@ -55,3 +55,8 @@
   </div>
 </div>
 <% end %>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
diff --git a/app/views/users/_project_attachment.html.erb b/app/views/users/_project_attachment.html.erb
index b3d904104..795432008 100644
--- a/app/views/users/_project_attachment.html.erb
+++ b/app/views/users/_project_attachment.html.erb
@@ -38,4 +38,9 @@
     </div>
     <div class="cl"></div>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/users/_project_create.html.erb b/app/views/users/_project_create.html.erb
index 0e35bca25..83bfe3f04 100644
--- a/app/views/users/_project_create.html.erb
+++ b/app/views/users/_project_create.html.erb
@@ -36,4 +36,9 @@
     </div>
     <div class="cl"></div>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/users/_project_issue.html.erb b/app/views/users/_project_issue.html.erb
index 008f08706..daa7c71c2 100644
--- a/app/views/users/_project_issue.html.erb
+++ b/app/views/users/_project_issue.html.erb
@@ -96,3 +96,8 @@
     <%= render :partial => 'users/project_issue_reply', :locals => {:activity => activity, :user_activity_id => user_activity_id} %>
   </div>
 </div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/users/_project_message.html.erb b/app/views/users/_project_message.html.erb
index c071f4a13..0a41dbbf5 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -167,3 +167,8 @@
     <% end %>
   </div>
 </div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
diff --git a/app/views/users/_user_blog.html.erb b/app/views/users/_user_blog.html.erb
index 841fd9377..74f090344 100644
--- a/app/views/users/_user_blog.html.erb
+++ b/app/views/users/_user_blog.html.erb
@@ -144,4 +144,7 @@
         $("#relatePWrap_<%=user_activity_id %>").toggleClass('relatePWrap');
         $("#moreProject_<%=user_activity_id %>").show();
     });
+    $(function(){
+        user_card_show_hide();
+    });
 </script>
diff --git a/app/views/users/_user_homework_detail.html.erb b/app/views/users/_user_homework_detail.html.erb
index 43bde1779..0183627d4 100644
--- a/app/views/users/_user_homework_detail.html.erb
+++ b/app/views/users/_user_homework_detail.html.erb
@@ -230,7 +230,7 @@
                     <div class="relatePInfo" id="relatePInfo_<%=project.id %>_<%=homework_common.id %>">
                       项目名称：<%=project.name %><br />
                       创建者：<%=(User.find project.user_id).show_name %>(组长)<br />
-                      更新时间：<%=time_from_now time %>
+                      更新时间：<%=time_from_now !com_time.nil? && format_time(com_time) > format_time(time) ? com_time : time %>
                     </div>
                   </div>
                   <% if i == 9 && projects.count > 10 %>
@@ -392,4 +392,7 @@
         $("#relatePWrap_<%=homework_common.id %>").toggleClass('relatePWrap');
         $("#moreProject_<%=homework_common.id %>").show();
     });
+    $(function(){
+        user_card_show_hide();
+    });
 </script>
\ No newline at end of file
diff --git a/app/views/users/_user_journalsformessage.html.erb b/app/views/users/_user_journalsformessage.html.erb
index dde4f34ce..944477e88 100644
--- a/app/views/users/_user_journalsformessage.html.erb
+++ b/app/views/users/_user_journalsformessage.html.erb
@@ -149,4 +149,9 @@
       <div class="cl"></div>
     </div>
   </div>
-</div>
\ No newline at end of file
+</div>
+<script type="text/javascript">
+    $(function(){
+        user_card_show_hide();
+    });
+</script>
\ No newline at end of file
diff --git a/app/views/users/choose_user_course.js.erb b/app/views/users/choose_user_course.js.erb
index 77c8d2522..51af05782 100644
--- a/app/views/users/choose_user_course.js.erb
+++ b/app/views/users/choose_user_course.js.erb
@@ -2,6 +2,8 @@
     alert("您的申请尚未通过审核，暂时不可发送至课程");
 <% elsif @status == 2 %>
     alert("该作业是私有的，请先提交申请并通过审核后再发送");
+<% elsif @status == 3 %>
+    alert("您的申请已被拒绝，不可发送至课程");
 <% else %>
     <% if params[:is_observe].nil? %>
     $("#ajax-modal").html('<%= escape_javascript( render :partial => 'users/send_homework_to_course', :locals => {:courses => @course, :user => @user, :send_id => @send_id}) %>');
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index 7c52bae35..f2b89142d 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -23,6 +23,31 @@ function description_show_hide(id){
     });
 }
 
+//名片的显示
+function user_card_show_hide() {
+    $(".homepagePostPortrait").mouseover(function(){
+        onImage = true;
+        $(this).children(".userCard").css("display","block");
+    });
+    $(".homepagePostPortrait").mouseout(function(){
+        var cur = $(this);
+        onImage = false;
+        setTimeout(function(){
+            if (onUserCard == false && onImage == false){
+                $(cur).children(".userCard").css("display", "none");
+            }
+        }, 500);
+    });
+    $(".userCard").mouseover(function(){
+        onUserCard = true;
+        $(this).css("display","block");
+    });
+    $(".userCard").mouseout(function(){
+        onUserCard = false;
+        $(this).css("display","none");
+    });
+}
+
 function cleanArray (actual){
   var newArray = new Array();
     for (var i = 0; i< actual.length; i++){