diff --git a/app/views/users/_join_course_course_message.html.erb b/app/views/users/_join_course_course_message.html.erb
index cb9399dba..79f1f6e67 100644
--- a/app/views/users/_join_course_course_message.html.erb
+++ b/app/views/users/_join_course_course_message.html.erb
@@ -18,7 +18,7 @@
   <p>真实姓名：<%= User.find(ma.course_message_id).realname %></p>
   <p>申请课程：<%= Course.find(ma.course_id).name%></p>
   <div class="fl">课程描述：</div>
-  <div class="ml60"><%= Course.find(ma.course_id).description.html_safe if Course.find(ma.course_id).description %></div>  <p>申请职位：<%= ma.content.include?('9')  ? "教师" : "教辅"%></p>
+  <div class="ml60"><%= Course.find(ma.course_id).description.html_safe if Course.find(ma.course_id).description %></div>  <p>申请职位：<%=ma.content && ma.content.include?('9')  ? "教师" : "教辅"%></p>
 </div>
 <li class="<%=(ma.status == 0 || ma.status.nil?) ? 'homepageHomeworkContentWarn2' : 'homepageHomeworkContentWarn' %> fl">
             <span id="deal_info_<%=ma.id%>">