diff --git a/app/views/attachments/_form_course.html.erb b/app/views/attachments/_form_course.html.erb
index 73b637c22..39c760690 100644
--- a/app/views/attachments/_form_course.html.erb
+++ b/app/views/attachments/_form_course.html.erb
@@ -38,7 +38,7 @@
 <span class="add_attachment">
 <%#= button_tag "浏览", :type=>"button", :onclick=>"CompatibleSend();" %>
 <!--%= link_to image_tag(),"javascript:void(0)", :onclick => "_file.click()"%-->
-<%= button_tag "浏览", :type=>"button", :onclick=>"_file.click()",:class =>"sub_btn" %>
+<%= button_tag "浏览", :type=>"button", :onclick=>"_file.click()",:class =>"sub_btn",:style => ie8? ? 'display:none' : '' %>
 <%= file_field_tag 'attachments[dummy][file]',
       :id => '_file',
       :class => 'file_selector',
diff --git a/app/views/files/_attachement_list.html.erb b/app/views/files/_attachement_list.html.erb
index b2ef7742c..59f1b66fd 100644
--- a/app/views/files/_attachement_list.html.erb
+++ b/app/views/files/_attachement_list.html.erb
@@ -22,7 +22,7 @@
 </span>
 </div>
 
-<button name="button" class="f_l ml10" onclick="_file.click()" onmouseover="this.focus()" type="button"><%= l(:label_browse)%></button>
+<button name="button" class="sub_btn" onclick="_file.click()" onmouseover="this.focus()" type="button"><%= l(:label_browse)%></button>
 <%= file_field_tag 'attachments[dummy][file]',
                    :id => '_file',
                    :class => 'file_selector',
diff --git a/public/javascripts/attachments.js b/public/javascripts/attachments.js
index 4dcc4e744..ea385ae28 100644
--- a/public/javascripts/attachments.js
+++ b/public/javascripts/attachments.js
@@ -21,7 +21,6 @@ function addFile(inputEl, file, eagerUpload) {
     var fileSpan = $('<span>', { 'id': 'attachments_' + attachmentId, 'class':'attachment' });
 
     fileSpan.append(
-        $('<input>', { 'type': 'text', 'class': 'filename readonly', 'name': 'attachments[' + attachmentId + '][filename]', 'readonly': 'readonly'} ).val(file.name),
         $('<input>', { 'type': 'text', 'class': 'filename readonly', 'name': 'attachments[' + attachmentId + '][filename]', 'readonly': 'readonly'} ).val(file.name),
         $('<input>', { 'type': 'text', 'class': 'description', 'name': 'attachments[' + attachmentId + '][description]', 'maxlength': 254, 'placeholder': $(inputEl).data('descriptionPlaceholder') } ).toggle(!eagerUpload),
         $('<span >'+$(inputEl).data('fieldIsPublic')+':</span>').attr({  'class': 'ispublic-label' }) ,