diff --git a/app/controllers/boards_controller.rb b/app/controllers/boards_controller.rb
index 6ff4d2f97..72301754d 100644
--- a/app/controllers/boards_controller.rb
+++ b/app/controllers/boards_controller.rb
@@ -67,7 +67,29 @@ class BoardsController < ApplicationController
 
   end
 
-  def show  
+  def show
+    #更新对应的forge_messages表的viewed字段
+    if @project
+      query_forge_messages = @board.messages
+      query_forge_messages.each do |query_forge_message|
+        query = query_forge_message.forge_messages
+        query.each do |forge_message|
+          if User.current.id == forge_message.user_id
+            forge_message.update_attributes(:viewed => true)
+          end
+        end
+      end
+    elsif @course
+      query_course_messages = @board.messages
+      query_course_messages.each do |query_course_message|
+        query = query_course_message.course_messages
+        query.each do |course_message|
+          if User.current.id == course_message.user_id
+            course_message.update_attributes(:viewed => true)
+          end
+        end
+      end
+    end
     respond_to do |format|
       format.js
       format.html {