diff --git a/app/views/challenges/_form.html.erb b/app/views/challenges/_form.html.erb
index ef32f3219..2b2e1bf4f 100644
--- a/app/views/challenges/_form.html.erb
+++ b/app/views/challenges/_form.html.erb
@@ -100,7 +100,7 @@
   <li class="clearfix">
     <label class="panel-form-label fl"><span class="c_red mr5">*</span>名称：</label>
     <%= f.text_field :subject, :class => "panel-form-width-690  fl panel-box-sizing", :no_label => true, :placeholder => "请输入当前任务的名称（此信息将提前泄露给学员）" %>
-    <span style="display: none" class="c_red ml90" id="new_shixun_name">任务名称不能为空</span>
+    <span style="display: none" class="c_red ml95" id="new_shixun_name">任务名称不能为空</span>
   </li>
   <li class="clearfix">
     <label class="panel-form-label fl">文件路径：</label>
@@ -126,7 +126,7 @@
       <%#= f.text_area :ready_knowledge, :placeholder => "请输入完成当前任务依赖的知识点或者其它相关信息，指导学员完成任务" %>
       <textarea name="challenge[task_pass]"><%= @challenge.task_pass %></textarea>
     </div>
-    <span style="display: none" class="c_red ml90" id="new_shixun_pass">过关任务不能为空</span>
+    <span style="display: none" class="c_red ml95" id="new_shixun_pass">过关任务不能为空</span>
   </li>
   <li class="clearfix">
     <label class="panel-form-label fl"><span class="c_red mr5">*</span>评测方式：</label>