调整

app/controllers/student_work_controller.rb

@@ -617,8 +617,8 @@ class StudentWorkController < ApplicationController
                        elsif @homework.homework_type == 4
                          @stundet_works.includes(:student_works_scores, [myshixun: :games], [user: :user_extensions])
                        end
-    end
       @members = @course.members.where(user_id: @stundet_works.pluck(:user_id)).select([:user_id, :course_group_id])
+    end
     respond_to do |format|
       format.js
       format.html { render :layout => 'base_edu'}