diff --git a/app/views/courses/settings.html.erb b/app/views/courses/settings.html.erb
index 69ce4f5dc..4ca8d3d43 100644
--- a/app/views/courses/settings.html.erb
+++ b/app/views/courses/settings.html.erb
@@ -23,6 +23,7 @@
             <label><span class="c_red">*</span>&nbsp;<%= l(:label_tags_course_name)%>&nbsp;&nbsp;：</label>
             <input  type="text" name="course[name]" id="course_name" class="courses_input" maxlength="100" onkeyup="regex_course_name();" value="<%= @course.name%>">
             <span class="c_red" id="course_name_notice" style="display: none;">课程名称不能为空</span>
+            <input type="password" style="top: -100000px;position: fixed;">
           </li>
           <div class="cl"></div>
           <li  class="ml45">