资源缓存相关BUG修改

9 years ago · 96650b951a
parent 5f186f9cab
commit 96650b951a
1 changed files with 3 additions and 1 deletions
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@ -686,7 +686,9 @@ class Attachment < ActiveRecord::Base
  #更新时间
  def update_others
    if self.course
-      self.course.update_course
+      if self.course.is_a?(::Course)
+        self.course.update_course
+      end
    end
  end
 end