diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index ecbcbf872..f8c2fce68 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -674,14 +674,14 @@ class ShixunsController < ApplicationController
 		limit = params[:limit] || 20
 		if params[:search]
 			search = "%#{params[:search].to_s.strip.downcase}%"
-			course_ids = Course.find_by_sql("SELECT c.id FROM courses c, members m, member_roles mr
-                                      WHERE m.course_id = c.id AND m.id=mr.member_id AND mr.role_id in (3,7,9)
+			course_ids = Course.find_by_sql("SELECT c.id FROM courses c, course_members m
+                                      WHERE m.course_id = c.id AND m.role in (1,2,3)
                                       AND m.user_id=#{current_user.id} AND c.is_delete = 0 AND c.is_end  = 0
                                       AND c.name like '#{search}' ").map(&:id)
 
 		else
-			course_ids = Course.find_by_sql("SELECT c.id, c.name FROM courses c, members m, member_roles mr
-                                      WHERE m.course_id = c.id AND m.id=mr.member_id AND mr.role_id in (3,7,9)
+			course_ids = Course.find_by_sql("SELECT c.id, c.name FROM courses c, course_members m
+                                      WHERE m.course_id = c.id AND m.role in (1,2,3)
                                       AND m.user_id=#{current_user.id} AND c.is_delete = 0 AND c.is_end  = 0").map(&:id)
 
 		end