diff --git a/app/views/attachments/_issue_reply.html.erb b/app/views/attachments/_issue_reply.html.erb
index 5526b0d17..9c8e7a6a2 100644
--- a/app/views/attachments/_issue_reply.html.erb
+++ b/app/views/attachments/_issue_reply.html.erb
@@ -9,7 +9,7 @@
 </span>
 <span class="add_attachment">
   <% id ="file#{container.id}"%>
-  <a href="javascript:void(0);" class="AnnexBtn fl" style= "<%= ie8? ? 'display:none' : ''%>" onclick="$('#'+'<%= id %>').click();">上传附件</a>
+  <a href="javascript:void(0);" class="AnnexBtn fl mr10" style= "<%= ie8? ? 'display:none' : ''%>" onclick="$('#'+'<%= id %>').click();">上传附件</a>
   <%= file_field_tag 'attachments[dummy][file]',
                      :id => "file#{container.id}",
                      :class => 'file_selector',