修复试卷的答题试卷导出

app/controllers/zips_controller.rb

@@ -48,16 +48,16 @@ class ZipsController < ApplicationController
           @course = @exercise.course
 
           default_ex_users = @exercise.all_exercise_users(current_user.id).exercise_user_committed
-          default_ex_users_size = default_ex_users.size
           @ex_users =  default_ex_users   #仅导出已提交的，截止后则是全部为提交的。
           #可以分班选择
           if group_id.present?
             exercise_students = @course.students.where(course_group_id: group_id)  # 试卷所分班的全部人数
             user_ids = exercise_students.pluck(:user_id).reject(&:blank?).uniq
-            logger.info("+++++++##################_________________user_ids_____________#########{user_ids}")
             @ex_users = @ex_users.where(user_id: user_ids)
           end
-          # @ex_users = @ex_users.first(200)
+
+          default_ex_users_size = @ex_users.size
+
           if default_ex_users_size == 0
             normal_status(-1,"导出失败,暂时没有已提交的学生")
           elsif default_ex_users_size > 100