diff --git a/app/controllers/colleges_controller.rb b/app/controllers/colleges_controller.rb
index 3cd61f51..fc62d664 100644
--- a/app/controllers/colleges_controller.rb
+++ b/app/controllers/colleges_controller.rb
@@ -72,7 +72,7 @@ class CollegesController < ApplicationController
     # ).order("publish_shixun_count desc, experience desc").limit(10)
     @teachers =
         @teachers.map do |teacher|
-          course_ids = Course.find_by_sql("SELECT c.id FROM courses c, members m, member_roles mr WHERE c.id != 1309 and m.course_id = c.id AND m.id=mr.member_id AND mr.role_id in (3,7,9) AND m.user_id=#{teacher.id} AND c.is_delete = 0")
+          course_ids = Course.find_by_sql("SELECT c.id FROM courses c, members m, member_roles mr WHERE c.id != 1309 and m.course_id = c.id AND m.id=mr.member_id AND mr.role_id in (3,7,9) AND m.user_id=#{teacher.id} AND c.is_delete = 0 and c.school_id = #{@school.id}")
           course_count = course_ids.size
           homeworks = HomeworkCommon.where(:homework_type => 4, :course_id => course_ids.map(&:id))
           un_shixun_work_count = homeworks.where("publish_time > '#{Time.now}' or publish_time is null").count