diff --git a/app/models/user.rb b/app/models/user.rb
index 005c394a8..2271adc18 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -418,7 +418,7 @@ class User < Principal
   end
 
   def nickname(formatter = nil)
-    login
+    login.nil? || (login && login.empty?) ? "AnonymousUser" : login
   end
 
   def name(formatter = nil)
diff --git a/app/views/users/_user_jour_reply.html.erb b/app/views/users/_user_jour_reply.html.erb
index ee94cb35a..60eda9fcd 100644
--- a/app/views/users/_user_jour_reply.html.erb
+++ b/app/views/users/_user_jour_reply.html.erb
@@ -3,9 +3,9 @@
     <div class="mes_box02" id = '<%= reply.id %>'>
       <%= link_to image_tag(url_to_avatar(reply.user),:width => '32',:height => '32'), user_path(reply.user),:class => "users_pic_sub fl mr5" %>
       <div class=" mes_box02_info fl">
-        <%= link_to "#{reply.user.login}&nbsp;".html_safe, user_path(reply.user),:class => 'course_name fl c_blue02 ', :target => "_blank"%>
+        <%= link_to "#{reply.user.nickname}&nbsp;".html_safe, user_path(reply.user),:class => 'course_name fl c_blue02 ', :target => "_blank"%>
         <span class="fl c_grey">&nbsp;回复&nbsp;</span>
-        <%= link_to "#{parent_jour.user.login}&nbsp;:&nbsp;".html_safe, user_path(parent_jour.user),:class => 'course_name fl c_blue02 mr5 ', :target => "_blank"%>
+        <%= link_to "#{parent_jour.user.nickname}&nbsp;:&nbsp;".html_safe, user_path(parent_jour.user),:class => 'course_name fl c_blue02 mr5 ', :target => "_blank"%>
         <div class="cl">
           <%= reply.notes.html_safe %>
         </div>
diff --git a/app/views/users/_user_jours_new.html.erb b/app/views/users/_user_jours_new.html.erb
index 9a9e14787..0fe301641 100644
--- a/app/views/users/_user_jours_new.html.erb
+++ b/app/views/users/_user_jours_new.html.erb
@@ -1,8 +1,8 @@
-<div class="message_list" id="<%= jour.id %>" nhname="rec" data-id="<%= jour.id %>">
+<div class="message_list break_word" id="<%= jour.id %>" nhname="rec" data-id="<%= jour.id %>">
   <%= link_to image_tag(url_to_avatar(jour.user),:width => '46',:height => '46'), user_path(jour.user),:class => "users_pic fl" %>
   <div class="fl ml5 mes_box mb10" >
     <div>
-      <%= link_to "#{jour.user.login}&nbsp;:&nbsp;".html_safe, user_path(jour.user),:class => 'fl c_blue02 f14 fb mb5', :target => "_blank"%>
+      <%= link_to "#{jour.user.nickname}&nbsp;:&nbsp;".html_safe, user_path(jour.user),:class => 'fl c_blue02 f14 fb mb5', :target => "_blank"%>
     </div>
     <div class="cl"></div>
     <div>