diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index 2103a8614..01a2d540a 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -1510,39 +1510,42 @@ class ExercisesController < ApplicationController
   end
 
   def get_exercise_question_counts #获取试卷的问题数及总分数
-    exercise_questions = @exercise.exercise_questions.all
-    @exercise_ques_count = exercise_questions.count # 全部的题目数
+    exercise_questions = @exercise.exercise_questions
+    @exercise_ques_count = exercise_questions.size # 全部的题目数
     @exercise_ques_scores = exercise_questions.pluck(:question_score).sum
 
     #单选题的数量及分数
     exercise_single_ques = exercise_questions.find_by_custom("question_type",0)
-    @exercise_single_ques_count = exercise_single_ques.all.count
+    @exercise_single_ques_count = exercise_single_ques.size
     @exercise_single_ques_scores = exercise_single_ques.pluck(:question_score).sum
 
     #多选题的数量及分数
     exercise_double_ques = exercise_questions.find_by_custom("question_type",1)
-    @exercise_double_ques_count = exercise_double_ques.all.count
+    @exercise_double_ques_count = exercise_double_ques.size
     @exercise_double_ques_scores = exercise_double_ques.pluck(:question_score).sum
 
     # 判断题数量及分数
     exercise_ques_judge = exercise_questions.find_by_custom("question_type",2)
-    @exercise_ques_judge_count = exercise_ques_judge.all.count
+    @exercise_ques_judge_count = exercise_ques_judge.size
     @exercise_ques_judge_scores = exercise_ques_judge.pluck(:question_score).sum
 
     #填空题数量及分数
     exercise_ques_null = exercise_questions.find_by_custom("question_type",3)
-    @exercise_ques_null_count = exercise_ques_null.all.count
+    @exercise_ques_null_count = exercise_ques_null.size
     @exercise_ques_null_scores = exercise_ques_null.pluck(:question_score).sum
 
     #简答题数量及分数
     exercise_ques_main = exercise_questions.find_by_custom("question_type",4)
-    @exercise_ques_main_count = exercise_ques_main.all.count
+    @exercise_ques_main_count = exercise_ques_main.size
     @exercise_ques_main_scores = exercise_ques_main.pluck(:question_score).sum
 
     #实训题数量及分数
     exercise_ques_shixun = exercise_questions.find_by_custom("question_type",5)
-    @exercise_ques_shixun_count = exercise_ques_shixun.all.count
+    @exercise_ques_shixun_count = exercise_ques_shixun.size
     @exercise_ques_shixun_scores = exercise_ques_shixun.pluck(:question_score).sum
+
+    @exercise_questions = @exercise_questions&.includes(:exercise_choices,:exercise_shixun_challenges,:exercise_answers,:exercise_shixun_answers,:exercise_answer_comments,:exercise_standard_answers)
+
   end
 
   #获取用户有权限的分班
diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index 83bfd29fc..2f63f3ab9 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -1233,7 +1233,7 @@ class HomeworkCommonsController < ApplicationController
   # 代码查重届结果
   def code_review_results
     # 如果有未获取结果的查重操作 则先读取结果
-    get_new_code_reviews_result @homework
+    #get_new_code_reviews_result @homework
     @current_user = current_user
 
     # 列表数据
diff --git a/app/models/discuss.rb b/app/models/discuss.rb
index 8d8dc0163..93f0d62cd 100644
--- a/app/models/discuss.rb
+++ b/app/models/discuss.rb
@@ -33,11 +33,11 @@ class Discuss < ApplicationRecord
     "/tasks/#{game&.identifier}"
   end
 
-  def contents(shixun, user)
-    return content unless hidden?
-
-    shixun.has_manager?(user) ? content : ''
-  end
+  # def contents(shixun, user)
+  #   return content unless hidden?
+  #
+  #   shixun.has_manager?(user) ? content : ''
+  # end
 
   def child_discuss(user)
     user.admin? ?
diff --git a/app/services/exercise_user_pdf_service.rb b/app/services/exercise_user_pdf_service.rb
index 28857dff9..22804092e 100644
--- a/app/services/exercise_user_pdf_service.rb
+++ b/app/services/exercise_user_pdf_service.rb
@@ -48,40 +48,40 @@ class ExerciseUserPdfService
 
   def load_data
     @exercise_questions = exercise.exercise_questions
-    @exercise_ques_count = @exercise_questions.count # 全部的题目数
+    @exercise_ques_count = @exercise_questions.size # 全部的题目数
     @exercise_ques_scores = @exercise_questions.pluck(:question_score).sum
 
     #单选题的数量及分数
     exercise_single_ques = @exercise_questions.find_by_custom("question_type",0)
-    @exercise_single_ques_count = exercise_single_ques.all.count
+    @exercise_single_ques_count = exercise_single_ques.size
     @exercise_single_ques_scores = exercise_single_ques.pluck(:question_score).sum
 
     #多选题的数量及分数
     exercise_double_ques = @exercise_questions.find_by_custom("question_type",1)
-    @exercise_double_ques_count = exercise_double_ques.all.count
+    @exercise_double_ques_count = exercise_double_ques.size
     @exercise_double_ques_scores = exercise_double_ques.pluck(:question_score).sum
 
     # 判断题数量及分数
     exercise_ques_judge = @exercise_questions.find_by_custom("question_type",2)
-    @exercise_ques_judge_count = exercise_ques_judge.all.count
+    @exercise_ques_judge_count = exercise_ques_judge.size
     @exercise_ques_judge_scores = exercise_ques_judge.pluck(:question_score).sum
 
     #填空题数量及分数
     exercise_ques_null = @exercise_questions.find_by_custom("question_type",3)
-    @exercise_ques_null_count = exercise_ques_null.all.count
+    @exercise_ques_null_count = exercise_ques_null.size
     @exercise_ques_null_scores = exercise_ques_null.pluck(:question_score).sum
 
     #简答题数量及分数
     exercise_ques_main = @exercise_questions.find_by_custom("question_type",4)
-    @exercise_ques_main_count = exercise_ques_main.all.count
+    @exercise_ques_main_count = exercise_ques_main.size
     @exercise_ques_main_scores = exercise_ques_main.pluck(:question_score).sum
 
     #实训题数量及分数
     exercise_ques_shixun = @exercise_questions.find_by_custom("question_type",5)
-    @exercise_ques_shixun_count = exercise_ques_shixun.all.count
+    @exercise_ques_shixun_count = exercise_ques_shixun.size
     @exercise_ques_shixun_scores = exercise_ques_shixun.pluck(:question_score).sum
 
-    @exercise_questions = @exercise_questions.includes(:exercise_choices,:exercise_shixun_challenges,:exercise_answers,:exercise_shixun_answers,:exercise_answer_comments,:exercise_standard_answers)
+    @exercise_questions = @exercise_questions&.includes(:exercise_choices,:exercise_shixun_challenges,:exercise_answers,:exercise_shixun_answers,:exercise_answer_comments,:exercise_standard_answers)
     get_each_student_exercise(exercise.id,@exercise_questions,@ex_user_user.id)
 
   end
diff --git a/app/views/discusses/_discuss.json.jbuilder b/app/views/discusses/_discuss.json.jbuilder
index da1ca5a6c..e7e6e425f 100644
--- a/app/views/discusses/_discuss.json.jbuilder
+++ b/app/views/discusses/_discuss.json.jbuilder
@@ -2,7 +2,7 @@ json.author do
   json.partial! 'users/user', user: discuss.user
 end
 json.id discuss.id
-json.content discuss.contents
+json.content discuss.content
 json.time time_from_now(discuss.created_at)
 json.position discuss.position
 json.shixun_id discuss.dis_id