diff --git a/app/views/issues/_issue_reply_ke_form.html.erb b/app/views/issues/_issue_reply_ke_form.html.erb
index fdf57fd3a..bcbdcea4d 100644
--- a/app/views/issues/_issue_reply_ke_form.html.erb
+++ b/app/views/issues/_issue_reply_ke_form.html.erb
@@ -4,7 +4,7 @@
     <%= link_to image_tag(url_to_avatar(User.current), :width => "33", :height => "33"), user_path(@issue.author_id), :alt => "用户头像" %>
   </div>
 
-  <div class="ReplyToMessageInputContainer mb10" style="width:840px;">
+  <div class="ReplyToMessageInputContainer">
     <% if User.current.logged? %>
         <div nhname='new_message_<%= @jour.id%>' style="display:none;">
           <%= form_for('new_form',:url =>  add_reply_issue_path(@issue.id),:method => "post", :remote => true) do |f|%>