diff --git a/app/views/users/_course_homework.html.erb b/app/views/users/_course_homework.html.erb
index 4e8553ee8..309b8b95a 100644
--- a/app/views/users/_course_homework.html.erb
+++ b/app/views/users/_course_homework.html.erb
@@ -142,7 +142,7 @@
                     });
                 </script>
                 <% replies_all_i = replies_all_i + 1 %>
-                <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i > 3 ? 'none' : '' %>">
+                <li class="homepagePostReplyContainer" nhname="reply_rec" onmouseover="$('#message_edit_<%= comment.id%>').show();" onmouseout="$('#message_edit_<%= comment.id%>').hide();" style="display:<%= replies_all_i > 3 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
                     <%= link_to image_tag(url_to_avatar(comment.user), :width => "33", :height => "33", :class =>"mt8"), user_path(comment.user_id), :alt => "用户头像" %>
                   </div>
@@ -154,10 +154,12 @@
                           <%= link_to comment.try(:user).try(:realname), user_path(comment.user_id), :class => "newsBlue mr10 f14" %>
                       <% end %>
                       <%= format_time(comment.created_on) %>
-                      <% if User.current.admin? ||is_teacher || comment.user == User.current%>
-                          <%= link_to('删除', {:controller => 'words', :action => 'destroy', :object_id => comment, :user_id => comment.user,:user_activity_id => user_activity_id, :is_in_course => -1,:course_activity=>course_activity},
-                                      :remote => true, :confirm => l(:text_are_you_sure), :method => 'delete', :class => "replyGrey fr ml10", :title => l(:button_delete))  %>
-                      <% end %>
+                      <div id="message_edit_<%=comment.id %>" style="display: none" class="fr">
+                          <% if User.current.admin? ||is_teacher || comment.user == User.current%>
+                              <%= link_to('删除', {:controller => 'words', :action => 'destroy', :object_id => comment, :user_id => comment.user,:user_activity_id => user_activity_id, :is_in_course => -1,:course_activity=>course_activity},
+                                          :remote => true, :confirm => l(:text_are_you_sure), :method => 'delete', :class => "replyGrey fr ml10", :title => l(:button_delete))  %>
+                          <% end %>
+                      </div>
                     </div>
                     <div class="homepagePostReplyContent break_word list_style upload_img table_maxWidth" id="reply_content_<%= comment.id %>">
                       <%= comment.notes.html_safe %></div>
diff --git a/app/views/users/_user_homework_detail.html.erb b/app/views/users/_user_homework_detail.html.erb
index 23f65e03e..5bf406c59 100644
--- a/app/views/users/_user_homework_detail.html.erb
+++ b/app/views/users/_user_homework_detail.html.erb
@@ -149,7 +149,7 @@
                     });
                 </script>
                 <% replies_all_i = replies_all_i + 1 %>
-                <li class="homepagePostReplyContainer" nhname="reply_rec" style="display:<%= replies_all_i > 3 ? 'none' : '' %>">
+                <li class="homepagePostReplyContainer" nhname="reply_rec" onmouseover="$('#message_edit_<%= comment.id%>').show();" onmouseout="$('#message_edit_<%= comment.id%>').hide();" style="display:<%= replies_all_i > 3 ? 'none' : '' %>">
                   <div class="homepagePostReplyPortrait">
                     <%= link_to image_tag(url_to_avatar(comment.user), :width => "33", :height => "33", :class =>"mt8"), user_path(comment.user_id), :alt => "用户头像" %>
                   </div>
@@ -161,10 +161,12 @@
                           <%= link_to comment.try(:user).try(:realname), user_path(comment.user_id), :class => "newsBlue mr10 f14" %>
                       <% end %>
                       <%= format_time(comment.created_on) %>
-                      <% if User.current.admin? ||is_teacher || comment.user == User.current%>
-                          <%= link_to('删除', {:controller => 'words', :action => 'destroy', :object_id => comment, :user_id => comment.user,:is_in_course => is_in_course,:course_activity=>-1},
-                                      :remote => true, :confirm => l(:text_are_you_sure), :method => 'delete', :class => "replyGrey fr ml10", :title => l(:button_delete))  %>
-                      <% end %>
+                      <div class="fr" id="message_edit_<%=comment.id %>" style="display: none">
+                          <% if User.current.admin? ||is_teacher || comment.user == User.current%>
+                              <%= link_to('删除', {:controller => 'words', :action => 'destroy', :object_id => comment, :user_id => comment.user,:is_in_course => is_in_course,:course_activity=>-1},
+                                          :remote => true, :confirm => l(:text_are_you_sure), :method => 'delete', :class => "replyGrey fr ml10", :title => l(:button_delete))  %>
+                          <% end %>
+                      </div>
                     </div>
                     <div class="homepagePostReplyContent break_word list_style upload_img table_maxWidth" id="reply_content_<%= comment.id %>">
                       <%= comment.notes.html_safe %></div>