diff --git a/app/controllers/homework_commons_controller.rb b/app/controllers/homework_commons_controller.rb
index d49dac853..519c05c62 100644
--- a/app/controllers/homework_commons_controller.rb
+++ b/app/controllers/homework_commons_controller.rb
@@ -107,7 +107,7 @@ class HomeworkCommonsController < ApplicationController
     student_works = @homework.all_works
     @all_member_count = student_works.size
 
-    if @homework.publish_time.nil? || (@homework.publish_time > Time.now)
+    if @homework.publish_time.blank? || (@homework.publish_time > Time.now)
       @student_works = []
       if (params[:format] == "xlsx") || (params[:format] == "zip")
         normal_status(-1,"作业未发布")
diff --git a/app/controllers/myshixuns_controller.rb b/app/controllers/myshixuns_controller.rb
index 3dfb739d0..3abc71fd0 100644
--- a/app/controllers/myshixuns_controller.rb
+++ b/app/controllers/myshixuns_controller.rb
@@ -266,9 +266,11 @@ class MyshixunsController < ApplicationController
         if content != last_content
           @content_modified = 1
 
-          author_name = current_user.full_name
+          author_name = current_user.real_name
           author_email = current_user.mail
           message = params[:evaluate] == 0 ? "System automatically submitted" : "User submitted"
+          uid_logger("112233#{author_name}")
+          uid_logger("112233#{author_email}")
           @content = GitService.update_file(repo_path: @repo_path,
                                             file_path: path,
                                             message: message,
diff --git a/app/jobs/exercise_publish_notify_job.rb b/app/jobs/exercise_publish_notify_job.rb
index f68a68c00..9c43b1978 100644
--- a/app/jobs/exercise_publish_notify_job.rb
+++ b/app/jobs/exercise_publish_notify_job.rb
@@ -31,7 +31,7 @@ class ExercisePublishNotifyJob < ApplicationJob
     Tiding.bulk_insert(*attrs) do |worker|
       teacher_ids = teachers.pluck(:user_id)
       unless exercise.tidings.exists?(parent_container_type: 'ExercisePublish', user_id: teacher_ids)
-        teacher_ids.find_each do |user_id|
+        teacher_ids.each do |user_id|
           worker.add same_attrs.merge(user_id: user_id)
         end
       end
diff --git a/app/jobs/homework_end_update_score_job.rb b/app/jobs/homework_end_update_score_job.rb
index ea6d3e5e3..e141fd758 100644
--- a/app/jobs/homework_end_update_score_job.rb
+++ b/app/jobs/homework_end_update_score_job.rb
@@ -2,7 +2,7 @@ class HomeworkEndUpdateScoreJob < ApplicationJob
   # 不允许补交的作业截止后，或者补交截止后需要重新计算一次作业成绩
   queue_as :score
 
-  def perform(*args)
+  def perform(homework_id)
     homework = HomeworkCommon.find_by(id: homework_id)
     return if homework.blank?
     course = homework.course
diff --git a/app/models/user.rb b/app/models/user.rb
index 1b3349467..e775af5f8 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -404,7 +404,6 @@ class User < ApplicationRecord
   # 用户的真实姓名（不考虑用户是否隐藏了真实姓名，课堂模块都用真实姓名）
   def real_name
     return '游客' unless logged?
-
     name = lastname + firstname
     name.blank? ? (nickname.blank? ? login : nickname) : name
     name.gsub(/\s+/, '').strip    #6.11 -hs
diff --git a/app/views/polls/commit_result.xlsx.axlsx b/app/views/polls/commit_result.xlsx.axlsx
index 6ce00388c..aa7943d2a 100644
--- a/app/views/polls/commit_result.xlsx.axlsx
+++ b/app/views/polls/commit_result.xlsx.axlsx
@@ -49,7 +49,7 @@ wb.styles do |s|
     end  #each_with_index
 
     sheet.add_row poll_users_info, :height =>15, :style => blue_cell
-    poll_users.each_with_index do |u,index|
+    poll_users.includes(user: :user_extension).each_with_index do |u,index|
       u_user = u.user
       user_answer_array = []
       poll_questions.each do |q|