diff --git a/app/controllers/subjects_controller.rb b/app/controllers/subjects_controller.rb
index 3b1a6fc8b..8e78706ed 100644
--- a/app/controllers/subjects_controller.rb
+++ b/app/controllers/subjects_controller.rb
@@ -466,7 +466,7 @@ class SubjectsController < ApplicationController
         else
           select_sql = "count(subject_course_records.id) total, sum(course_count) course_count, sum(student_count) student_count, " +
               "sum(choice_shixun_num) choice_shixun_num, sum(choice_shixun_frequency) choice_shixun_frequency"
-          @total = @subject.subject_course_records.select("#{select_sql}").first.except("id")
+          @total = @subject.subject_course_records.select("#{select_sql}").first
           @subject.subject_course_records
         end