调整

app/controllers/homework_commons_controller.rb

@@ -161,10 +161,11 @@ class HomeworkCommonsController < ApplicationController
         # 作品状态 0： 未提交， 1 按时提交， 2 延迟提交
         if params[:work_status].present?
           work_status = params[:work_status].map{|status| status.to_i}
-          all_student_works = @student_works
+          all_student_works = @student_works.joins(:myshixun)
           @student_works = all_student_works.where(work_status: work_status)
-          @student_works = @student_works.or(all_student_works.where(work_status: 0)).or(all_student_works.joins(:myshixun).where(status: 0)) if work_status.include?(3)
-          @student_works = @student_works.or(all_student_works.joins(:myshixun).where(status: 1)) if work_status.include?(4)
+
+          @student_works = @student_works.or(all_student_works.where(work_status: 0)).or(all_student_works.where(myshixun: {status: 0})) if work_status.include?(3)
+          @student_works = @student_works.or(all_student_works.where(myshixun: {status: 0})) if work_status.include?(4)
         end
 
         # 分班情况