colleges page modify

app/views/colleges/_course_statistics.html.erb

@@ -17,10 +17,10 @@
     <% if @courses.present? %>
       <% @courses.each do |course| %>
         <tr>
-          <td class="text-left"><a href="/courses/<%= course.id %>/students" target="_blank" class="task-hide pl20 edu-txt-left" style="max-width: 220px"><%= course.name %></a></td>
+          <td class="text-left"><a href="/courses/<%= course.id %>/students" target="_blank" class="d-inline-block text-truncate" style="max-width: 220px"><%= course.name %></a></td>
           <% teacher_names = course.teacher_users.map(&:real_name).join('、') %>
           <td class="text-left">
-            <span class="d-inline-block text-truncate" style="max-width: 220px" data-toggle="tooltip" title="<%= teacher_names %>">
+            <span class="d-inline-block text-truncate" style="max-width: 150px" data-toggle="tooltip" title="<%= teacher_names %>">
               <%= teacher_names || '--' %>
             </span>
           </td>

app/views/colleges/statistics.html.erb

@@ -104,8 +104,8 @@
             <th>排名</th>
             <th>姓名</th>
             <th>管理课堂</th>
-            <th>已发布实训作业</th>
+            <th width="15%">已发布实训作业</th>
-            <th>未发布实训作业</th>
+            <th width="15%">未发布实训作业</th>
             <th>学生数</th>
             <th>完成率</th>
             <th>发布实训</th>