项目工具集部分工具图标缺失问题

app/views/projects/_tools_expand.html.erb

@@ -7,7 +7,7 @@
     <li style="background: url('http://<%= Setting.host_name %>/images/sidebar/tool_tag_alpha.png') no-repeat scroll 10px 30% transparent;"><%= link_to l(:label_project_tool_response) ,project_feedback_path(@project)%></li>
     <li style="background: url('http://<%= Setting.host_name %>/images/sidebar/tool_tag_alpha.png') no-repeat scroll 10px 30% transparent;"><%= link_to l(:project_module_files) ,project_files_path(@project) %></li>
     <% if @project.enabled_modules.where("name = 'wiki'").count > 0 %>
-        <li><%= link_to l(:project_module_wiki), project_wiki_path(@project) %></li>
+        <li style="background: url('http://<%= Setting.host_name %>/images/sidebar/tool_tag_alpha.png') no-repeat scroll 10px 30% transparent;"><%= link_to l(:project_module_wiki), project_wiki_path(@project) %></li>
     <% end %>
   </ul>
   <ul><h3>进度跟踪</h3>
@@ -17,7 +17,7 @@
   </ul>
   <ul><h3>其他工具</h3>
     <% if @project.enabled_modules.where(" name = 'dts'").count > 0 %>
-        <li><%= link_to l(:label_module_share) ,share_show_path(@project) %></li>
+        <li style="background: url('http://<%= Setting.host_name %>/images/sidebar/tool_tag_alpha.png') no-repeat scroll 10px 30% transparent;"><%= link_to l(:label_module_share) ,share_show_path(@project) %></li>
     <% end %>
     <li style="background: url('http://<%= Setting.host_name %>/images/sidebar/tool_tag_alpha.png') no-repeat scroll 10px 30% transparent;"><%= link_to l(:project_module_documents), project_documents_path(@project) %></li>
     <li></li>