issue数统计拖慢性能

app/views/projects/_development_group.html.erb

@@ -8,9 +8,10 @@
 <% unless @project.enabled_modules.where("name = 'issue_tracking'").empty? %>
   <div class="subNav">
     <%= link_to l(:label_issue_tracking), project_issues_path(@project), :class => "f14 c_blue02" %>
-    <% unless @project.issues.visible.all.count == 0 %>
-      <a class="subnav_num">(<%= @project.issues.visible.all.count %>)</a>
+    <% if (issue_count = @project.issues.count) > 0 %>
+      <a class="subnav_num">(<%= issue_count %>)</a>
     <% end %>
+
     <% if User.current.member_of?(@project) %>
       <%= link_to "+"+l(:label_release_issue), new_project_issue_path(@project) , :class => "subnav_green" %>
     <% end %>
@@ -49,4 +50,4 @@
 <div class="subNav subNav_jiantou" id="expand_tools_expand" nhtype="toggle4cookie" data-id="expand_tool_more" data-target="#navContent" data-val="retract"><%= l(:label_project_more) %></div>
 <ul class="navContent" id="navContent">
   <%= render 'projects/tools_expand' %>
-</ul>
+</ul>