diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 6530afdde..e7555f927 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -977,7 +977,7 @@ class ShixunsController < ApplicationController
 
 		@courses = Course.where(:id => course_ids)
 		## 云上实验室过滤
-		@courses = @courses.where(id: current_laboratory.all_courses.pluck(:id))
+		@courses = @courses.where(id: current_laboratory.all_courses)
 
 		@course_count = @courses.count
 		@courses = @courses.page(page).per(limit)
diff --git a/app/controllers/subjects_controller.rb b/app/controllers/subjects_controller.rb
index 5e685119e..d38293a8f 100644
--- a/app/controllers/subjects_controller.rb
+++ b/app/controllers/subjects_controller.rb
@@ -218,7 +218,7 @@ class SubjectsController < ApplicationController
                                       AND m.user_id=#{current_user.id} AND c.is_delete = 0 AND c.is_end = 0").map(&:id)
     @courses = Course.where(id: course_ids)
     ## 云上实验室过滤
-    @courses = @courses.where(id: current_laboratory.all_courses.pluck(:id))
+    @courses = @courses.where(id: current_laboratory.all_courses)
 
     @none_shixun_ids = ShixunSchool.where("school_id != #{current_user.user_extension.try(:school_id).to_i}").pluck(:shixun_id)
   end