diff --git a/app/views/files/_attachement_list.html.erb b/app/views/files/_attachement_list.html.erb
index eb730640c..4c631d22f 100644
--- a/app/views/files/_attachement_list.html.erb
+++ b/app/views/files/_attachement_list.html.erb
@@ -23,23 +23,44 @@
 </div>
 <% checkBox = (@course.present? && @course.is_public?) ? 'public' : 'private'%>
 <button name="button" class="sub_btn" onclick="_file.click()" onmouseover="this.focus()" style="<%= ie8? ? 'display:none' : ''%>" type="button" ><%= l(:label_browse) %></button>
-<%= file_field_tag 'attachments[dummy][file]',
-                   :id => '_file',
-                   :class => ie8? ? '':'file_selector',
-                   :multiple => true,
-                   :onchange => 'addInputFilesCourseSource(this,"'+ checkBox.to_s+'");',
-                   :style => ie8? ? '': 'display:none',
-                   :data => {
-                           :max_file_size => Setting.attachment_max_size.to_i.kilobytes,
-                           :max_file_size_message => l(:error_attachment_too_big, :max_size => number_to_human_size(Setting.attachment_max_size.to_i.kilobytes)),
-                           :max_concurrent_uploads => Redmine::Configuration['max_concurrent_ajax_uploads'].to_i,
-                           :upload_path => uploads_path(:format => 'js'),
-                           :description_placeholder => l(:label_optional_description),
-                           :field_is_public => l(:field_is_public),
-                           :are_you_sure => l(:text_are_you_sure),
-                           :file_count => l(:label_file_count),
-                           :delete_all_files => l(:text_are_you_sure_all)
-                   } %>
+<% if @course %>
+    <%= file_field_tag 'attachments[dummy][file]',
+                       :id => '_file',
+                       :class => ie8? ? '':'file_selector',
+                       :multiple => true,
+                       :onchange => 'addInputFilesCourseSource(this,"'+ checkBox.to_s+'");',
+                       :style => ie8? ? '': 'display:none',
+                       :data => {
+                               :max_file_size => Setting.attachment_max_size.to_i.kilobytes,
+                               :max_file_size_message => l(:error_attachment_too_big, :max_size => number_to_human_size(Setting.attachment_max_size.to_i.kilobytes)),
+                               :max_concurrent_uploads => Redmine::Configuration['max_concurrent_ajax_uploads'].to_i,
+                               :upload_path => uploads_path(:format => 'js'),
+                               :description_placeholder => l(:label_optional_description),
+                               :field_is_public => l(:field_is_public),
+                               :are_you_sure => l(:text_are_you_sure),
+                               :file_count => l(:label_file_count),
+                               :delete_all_files => l(:text_are_you_sure_all)
+                       } %>
+<% else %>
+    <%= file_field_tag 'attachments[dummy][file]',
+                       :id => '_file',
+                       :class => ie8? ? '':'file_selector',
+                       :multiple => true,
+                       :onchange => 'addInputFiles(this);',
+                       :style => ie8? ? '': 'display:none',
+                       :data => {
+                               :max_file_size => Setting.attachment_max_size.to_i.kilobytes,
+                               :max_file_size_message => l(:error_attachment_too_big, :max_size => number_to_human_size(Setting.attachment_max_size.to_i.kilobytes)),
+                               :max_concurrent_uploads => Redmine::Configuration['max_concurrent_ajax_uploads'].to_i,
+                               :upload_path => uploads_path(:format => 'js'),
+                               :description_placeholder => l(:label_optional_description),
+                               :field_is_public => l(:field_is_public),
+                               :are_you_sure => l(:text_are_you_sure),
+                               :file_count => l(:label_file_count),
+                               :delete_all_files => l(:text_are_you_sure_all)
+                       } %>
+<% end %>
+
 <!--<input type="submit" name="" value="上传文件" class="f_l ml10" style="width:80px; height:26px;">-->
 
   <span id="upload_file_count">