添加非空判断

11 years ago · d1b20dddef
parent 2f2c6c39b5
commit d1b20dddef
2 changed files with 2 additions and 2 deletions
--- a/app/helpers/welcome_helper.rb
+++ b/app/helpers/welcome_helper.rb
@ -137,7 +137,7 @@ module WelcomeHelper
  #获取课程列表
  # add by nwb
  def find_miracle_course(sum=10, max_rate=7, school_id)
-    if User.current.user_extensions.school.nil? and school_id.nil?
+    if User.current.user_extensions.nil? && User.current.user_extensions.school.nil? and school_id.nil?
      Course.active.visible.
          joins(:memberships).
          group('members.course_id').