trustieforge/app/views/projects/_applied_status.html.erb

<% if !User.current.member_of?(@project) && User.current.login? && !User.current.admin %>
    <span><%= watcher_link_for_project(@project, User.current) %></span>
    <!--加入项目 -->
    <% if AppliedProject.where(:user_id => User.current, :project_id => @project_id).first.nil? %>
        <%= join_in_project_link(@project, User.current) %>
    <% else %>
        <a class="sy_btn_blue mr5">等待审批</a>
    <% end %>
<% end %>