修改查询学生后查询框消失的BUG

app/views/courses/_member_list.html.erb

@@ -5,7 +5,7 @@
       <% end %>&nbsp;&nbsp;&nbsp;
     <span style="font-size: 18px; float: left; margin-right: 35px"><%= l(:label_current_group)%>:&nbsp;<%= @group.name %></span>
   <% end %>
-  <% if @show_serch%>
+  <% if @subPage_title && @subPage_title == l(:label_student_list)%>
       <%= form_tag( searchmembers_course_path(@course), method: 'get',:class => "f_l",:style => "margin-left: 5px; ",:remote=>true) do %>
           <%= text_field_tag 'name', params[:name], name: "name", :class => 'f_1', :style => "height:15px"%>
           <%= submit_tag l(:label_search), :class => "f_2"%>