boards created frequently, css file file EOF.

app/models/course.rb

@@ -39,7 +39,7 @@ class Course < ActiveRecord::Base
   validates_format_of  :name,:with =>/^[a-zA-Z0-9_\u4e00-\u9fa5]+$/
 
   before_save :self_validate
-  after_save :create_board_sync
+  after_create :create_board_sync
   before_destroy :delete_all_members
 
   safe_attributes 'extra',

app/models/project.rb

@@ -127,7 +127,7 @@ class Project < ActiveRecord::Base
   after_save :update_position_under_parent, :if => Proc.new {|project| project.name_changed?}
   after_save :update_inherited_members, :if => Proc.new {|project| project.inherit_members_changed?}
   # 创建project之后默认创建一个board，之后的board去掉了board的概念
-  after_save :create_board_sync
+  after_create :create_board_sync
   before_destroy :delete_all_members
   def remove_references_before_destroy
     return if self.id.nil?