diff --git a/app/controllers/memos_controller.rb b/app/controllers/memos_controller.rb
index b4de06fb6..62f860a96 100644
--- a/app/controllers/memos_controller.rb
+++ b/app/controllers/memos_controller.rb
@@ -51,7 +51,10 @@ class MemosController < ApplicationController
 
         @memo_new = @memo.dup
         @memo = @memo.root # 取出楼主，防止输入帖子id让回复作为主贴显示
-        @memo.update_column(:viewed_count, (@memo.viewed_count.to_i + 1))
+        unless @memo.new_record?
+          @memo.update_column(:viewed_count, (@memo.viewed_count.to_i + 1))
+        end
+
 
         page = params[:page]
         if params[:r] && page.nil?
@@ -68,10 +71,14 @@ class MemosController < ApplicationController
                     limit(@reply_pages.per_page).
                     offset(@reply_pages.offset).
                     all
+        if @memo.new_record?
+          format.html { redirect_to back_url, error: "#{l :label_memo_create_fail}: #{@memo.errors.full_messages[0]}" }
+        else
+          format.html { render action: :show }#, error: "#{l :label_memo_create_fail}: #{@memo.errors.full_messages[0]}" }
+          # format.html { redirect_to back_memo_or_forum_url}#, error: "#{l :label_memo_create_fail}: #{@memo.errors.full_messages[0]}" }
+          format.json { render json: @memo.errors, status: :unprocessable_entity }
+        end
 
-        format.html { render action: :show }#, error: "#{l :label_memo_create_fail}: #{@memo.errors.full_messages[0]}" }
-        # format.html { redirect_to back_memo_or_forum_url}#, error: "#{l :label_memo_create_fail}: #{@memo.errors.full_messages[0]}" }
-        format.json { render json: @memo.errors, status: :unprocessable_entity }
       end
     end
   end
diff --git a/app/models/memo.rb b/app/models/memo.rb
index 1e857a223..feb10dec9 100644
--- a/app/models/memo.rb
+++ b/app/models/memo.rb
@@ -3,9 +3,9 @@ class Memo < ActiveRecord::Base
 	belongs_to :forum
 	belongs_to :author, :class_name => "User", :foreign_key => 'author_id' 
 
-	validates_presence_of :author_id, :forum_id, :subject
+	validates_presence_of :author_id, :forum_id, :subject,:content
 	# 若是主题帖，则内容可以是空
-	validates :content, presence: true, if: Proc.new{|o| !o.parent_id.nil? }
+	#validates :content, presence: true, if: Proc.new{|o| !o.parent_id.nil? }
 	validates_length_of :subject, maximum: 50
 	validates_length_of :content, maximum: 3072
 	validate :cannot_reply_to_locked_topic, :on => :create
diff --git a/app/models/user.rb b/app/models/user.rb
index 6138f9b56..257681cb5 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -164,7 +164,7 @@ class User < Principal
   # Prevents unauthorized assignments
   attr_protected :login, :admin, :password, :password_confirmation, :hashed_password
 
-  LOGIN_LENGTH_LIMIT = 60
+  LOGIN_LENGTH_LIMIT = 25
   MAIL_LENGTH_LIMIT = 60
 
   validates_presence_of :login, :firstname, :mail, :if => Proc.new { |user| !user.is_a?(AnonymousUser) }
diff --git a/public/stylesheets/welcome.css b/public/stylesheets/welcome.css
index 4636ca5af..c6bdd1ab5 100644
--- a/public/stylesheets/welcome.css
+++ b/public/stylesheets/welcome.css
@@ -449,7 +449,7 @@ a.attachments_list_color {
     font-size: 9pt;
 }
 .memo_activity span a{
-    color: gray;
+    /*color: gray;*/
 }
 /*帖子的最后回复人*/
 .memo_activity .memo_last_person{