diff --git a/app/helpers/watchers_helper.rb b/app/helpers/watchers_helper.rb
index be5609d7c..b05e0b286 100644
--- a/app/helpers/watchers_helper.rb
+++ b/app/helpers/watchers_helper.rb
@@ -211,13 +211,17 @@ module WatchersHelper
   end
 
   def watchers_checkboxes(object, users, checked=nil)
-    users.map do |user|
-      c = checked.nil? ? object.watched_by?(user) : checked
-      tag = check_box_tag 'issue[watcher_user_ids][]', user.id, c, :id => nil
-      content_tag 'label', "#{tag} #{h(user)}".html_safe,
-                  :id => "issue_watcher_user_ids_#{user.id}",
-                  :class => "floating"
-    end.join.html_safe
+    if users.nil?
+
+    else
+      users.map do |user|
+        c = checked.nil? ? object.watched_by?(user) : checked
+        tag = check_box_tag 'issue[watcher_user_ids][]', user.id, c, :id => nil
+        content_tag 'label', "#{tag} #{h(user)}".html_safe,
+                    :id => "issue_watcher_user_ids_#{user.id}",
+                    :class => "floating"
+      end.join.html_safe
+    end
   end
 
   def applied_css(project)
diff --git a/app/views/attachments/file.html.erb b/app/views/attachments/file.html.erb
index 37db6f2bc..186b85c69 100644
--- a/app/views/attachments/file.html.erb
+++ b/app/views/attachments/file.html.erb
@@ -6,7 +6,7 @@
 <p><%= link_to_attachment @attachment, :text => l(:button_download), :download => true -%>
    <span class="size">(<%= number_to_human_size @attachment.filesize %>)</span>&nbsp&nbsp&nbsp
    <span class="size">
-     <% if @attachment!=nil&&@attachment.container_type == 'Document' %>
+     <% if @attachment!=nil&&@attachment.container_type == 'Document'&&User.current.allowed_to?({:controller => 'code_review', :action => 'update_diff_view'}, @attachment.project) %>
           <%=    link = link_to(l(:button_add), {:controller => 'code_review',
                                           :action => 'assign', :action_type => 'attachment',
                                           :id=>@attachment.project,
diff --git a/app/views/users/user_fanslist.html.erb b/app/views/users/user_fanslist.html.erb
index f9e4341bf..984cdf352 100644
--- a/app/views/users/user_fanslist.html.erb
+++ b/app/views/users/user_fanslist.html.erb
@@ -30,7 +30,6 @@
                       <% else %>
                           <%= l(:label_x_contribute_to, :count => 0) %>
                       <% end %>
-                    </p>
 
                       <p class="font_description">
                         <% unless user.memberships.empty? %>
@@ -47,7 +46,6 @@
                     </td>
                   </tr>
                   <!-- end -->
-
                   <tr>
                     <td width="200" align="right" class="font_lighter"><%= l(:label_user_joinin) %><%= format_date(user.created_on) %>
                     </td>