diff --git a/app/views/users/_course_message.html.erb b/app/views/users/_course_message.html.erb
index ff7e43105..f8b5c70a1 100644
--- a/app/views/users/_course_message.html.erb
+++ b/app/views/users/_course_message.html.erb
@@ -96,7 +96,7 @@
                                     <%= link_to reply.try(:author).try(:realname), user_path(reply.author_id), :class => "newsBlue mr10 f14" %>
                                 <% end %>
                                 <%= format_date(reply.created_on) %>
-                                <%= link_to(
+                                <%#= link_to(
                                             l(:button_delete),
                                             {:controller => 'messages', :action => 'destroy', :id => reply.id, :board_id => reply.board_id, :is_board => 'false'},
                                             :method => :post,
diff --git a/app/views/users/_course_news.html.erb b/app/views/users/_course_news.html.erb
index 603901ae4..15fc74386 100644
--- a/app/views/users/_course_news.html.erb
+++ b/app/views/users/_course_news.html.erb
@@ -79,7 +79,7 @@
                           <%= link_to comment.try(:author).try(:realname), user_path(comment.author_id), :class => "newsBlue mr10 f14" %>
                       <% end %>
                       <%= format_date(comment.created_on) %>
-                      <%= link_to_if_authorized_course l(:button_delete), {:controller => 'comments', :action => 'destroy', :id => activity, :comment_id => comment},
+                      <%#= link_to_if_authorized_course l(:button_delete), {:controller => 'comments', :action => 'destroy', :id => activity, :comment_id => comment},
                                                        :data => {:confirm => l(:text_are_you_sure)}, :method => :delete, :title => l(:button_delete) %>
                       <!--<a href="javascript:void(0);" class="replyGrey fr ml10">删除</a>-->
                     </div>
diff --git a/app/views/users/_project_message.html.erb b/app/views/users/_project_message.html.erb
index e60676ac6..89f149303 100644
--- a/app/views/users/_project_message.html.erb
+++ b/app/views/users/_project_message.html.erb
@@ -93,7 +93,7 @@
                           <%= link_to reply.try(:author).try(:realname), user_path(reply.author_id), :class => "newsBlue mr10 f14" %>
                       <% end %>
                       <%= format_date(reply.created_on) %>
-                      <%= link_to(
+                      <%#= link_to(
                                   l(:button_delete),
                                   {:controller => 'messages', :action => 'destroy', :id => reply.id, :board_id => reply.board_id, :is_board => 'false'},
                                   :method => :post,