diff --git a/app/controllers/avatar_controller.rb b/app/controllers/avatar_controller.rb
index 8a383f6f9..228f20599 100644
--- a/app/controllers/avatar_controller.rb
+++ b/app/controllers/avatar_controller.rb
@@ -75,6 +75,10 @@ class AvatarController < ApplicationController
     end
     @temp_file = nil
 
+    while !File.exist?(diskfile)
+      sleep(0.5)
+    end
+
     respond_to do |format|
       format.json{
         render :inline => {status: @status, message:@msg, url:"#{@urlfile.to_s}?#{Time.now.to_i}"}.to_json,:content_type => 'text/html'
diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index 1c917ce7a..07fdd026d 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -58,7 +58,7 @@ class MessagesController < ApplicationController
     @reply = Message.new(:subject => "RE: #{@message.subject}")
     if @course
       #帖子消息状态更新
-      course_messages = CourseMessage.where("user_id =? and course_message_type =? and course_id =? and viewed =?", User.current.id, 'Message', @course.id, 0)
+      course_messages = CourseMessage.where("user_id =? and course_message_type =? and course_message_id =? and course_id =? and viewed =?", User.current.id, 'Message', @topic.id, @course.id, 0)
       course_messages.update_all(:viewed => true)
       #@replies =  @topic.children.
           #includes(:author, :attachments, :praise_tread_cache, {:board => :project}).
@@ -67,10 +67,10 @@ class MessagesController < ApplicationController
           #offset(@reply_pages.offset).
           #all
       #@replies = paginateHelper messages_replies,10
-      # 班级帖子消息设为已读
+      # 班级帖子回复消息设为已读
       @replies.each do |comment|
-       course_message = CourseMessage.where(:course_message_id => comment.id, :user_id => User.current.id, :viewed => 0)
-       course_message.update_all(:viewed => 1)
+      course_message = CourseMessage.where(:course_message_type => 'Message', :course_message_id => comment.id, :user_id => User.current.id, :viewed => 0)
+      course_message.update_all(:viewed => 1)
       end
       @left_nav_type = 2
       respond_to do |format|
@@ -80,7 +80,7 @@ class MessagesController < ApplicationController
       #render :action => "show", :layout => "base_courses"#by young
     elsif @project
       #帖子消息状态更新
-      project_messages = ForgeMessage.where("user_id =? and forge_message_type =? and project_id =? and viewed =?", User.current.id, 'Message', @project.id, 0)
+      project_messages = ForgeMessage.where("user_id =? and forge_message_type =? and forge_message_id =? and project_id =? and viewed =?", User.current.id, 'Message', @topic.id, @project.id, 0)
       project_messages.update_all(:viewed => true)
       #@reply_pages = Paginator.new @reply_count, REPLIES_PER_PAGE, page
       # @replies =  @topic.children.
@@ -89,14 +89,25 @@ class MessagesController < ApplicationController
       #     limit(@reply_pages.per_page).
       #     offset(@reply_pages.offset).
       #     all
+      # 项目帖子回复消息设为已读
+      @replies.each do |comment|
+        project_message = ForgeMessage.where(:forge_message_type => 'Message', :forge_message_id => comment.id, :user_id => User.current.id, :viewed => 0)
+        project_message.update_all(:viewed => 1)
+      end
       respond_to do |format|
         format.js
         format.html {render :layout => 'base_projects'}
       end
     elsif @contest
       #帖子消息状态更新
-      contest_messages = ContestMessage.where("user_id =? and contest_message_type =? and contest_id =? and viewed =?", User.current.id, 'Message', @contest.id, 0)
+      contest_messages = ContestMessage.where("user_id =? and contest_message_type =? and contest_message_id =? and contest_id =? and viewed =?", User.current.id, 'Message', @topic.id, @contest.id, 0)
       contest_messages.update_all(:viewed => true)
+
+      # 竞赛帖子回复消息设为已读
+      @replies.each do |comment|
+        contest_message = ContestMessage.where(:contest_message_type => 'Message', :contest_message_id => comment.id, :user_id => User.current.id, :viewed => 0)
+        contest_message.update_all(:viewed => 1)
+      end
       @left_nav_type = 4
       respond_to do |format|
         format.js