没有等待加入的成员则不显示

app/views/projects/invite_members_by_mail.html.erb

@@ -87,7 +87,7 @@
         <% end %>
       <% end %>
       </br>
-      <% unless @waiters_count == 0 %>
+      <% unless @waiters_count.nil? %>
         <span class="status_inviter">等待加入项目的用户</span><br/>
         <% @inviter_lists.each do |inviter_list| %>
           <% unless inviter_list.user.member_of?(@project) %>