diff --git a/app/controllers/accounts_controller.rb b/app/controllers/accounts_controller.rb
index c3333c912..0d32926e4 100644
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@@ -83,7 +83,6 @@ class AccountsController < ApplicationController
         email = params[:login]
         verifi_code = VerificationCode.where(email: email, code: code, code_type: 3).last
         user = User.find_by_mail(email)     #这里有问题，应该是为email,而不是mail  6.13-hs
-
       end
       check_code = (verifi_code.try(:code) == code.strip && (Time.now.to_i - verifi_code.created_at.to_i) <= 10*60)
       unless check_code
diff --git a/app/controllers/exercises_controller.rb b/app/controllers/exercises_controller.rb
index 44b694239..e1e8e226b 100644
--- a/app/controllers/exercises_controller.rb
+++ b/app/controllers/exercises_controller.rb
@@ -1334,7 +1334,7 @@ class ExercisesController < ApplicationController
 
   #导出空白试卷
   def export_exercise
-    @exercise_questions = @exercise.exercise_questions.order("question_number ASC")
+    @exercise_questions = @exercise.exercise_questions.includes(:exercise_choices).order("question_number ASC")
     filename = "#{current_user.real_name}_#{@course.name}_#{@exercise.exercise_name}_#{Time.current.strftime('%Y%m%d%H%M%S')}.pdf"
     stylesheets = "#{Rails.root}/app/templates/exercise_export/exercise_export.css"
     render pdf: 'exercise_export/blank_exercise', filename: filename, stylesheets: stylesheets
diff --git a/app/services/exercise_user_pdf_service.rb b/app/services/exercise_user_pdf_service.rb
index d74e66d31..28857dff9 100644
--- a/app/services/exercise_user_pdf_service.rb
+++ b/app/services/exercise_user_pdf_service.rb
@@ -81,9 +81,8 @@ class ExerciseUserPdfService
     @exercise_ques_shixun_count = exercise_ques_shixun.all.count
     @exercise_ques_shixun_scores = exercise_ques_shixun.pluck(:question_score).sum
 
-    challenge_ids = @exercise_questions.joins(:exercise_shixun_challenges).pluck("exercise_shixun_challenges.challenge_id")
-
+    @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)
-    @games = @exercise_user.user.games.ch_games(challenge_ids)
+
   end
 end
\ No newline at end of file
diff --git a/app/templates/exercise_export/exercise_export.css b/app/templates/exercise_export/exercise_export.css
index 59be4f1bd..9190e9251 100644
--- a/app/templates/exercise_export/exercise_export.css
+++ b/app/templates/exercise_export/exercise_export.css
@@ -156,7 +156,7 @@ p{
     position: absolute;
     display: inline-block;
     bottom: 6px;
-    /*left: 1px;*/
+    left: 1px;
 }
 
 .line-line {
@@ -231,7 +231,7 @@ p{
     position: absolute;
     display: inline-block;
     bottom: 9px;
-    left: 1px;
+    left: 2px;
 }
 .circle-right:after{
     color:#fff;
diff --git a/app/templates/exercise_export/exercise_user.html.erb b/app/templates/exercise_export/exercise_user.html.erb
index 193a25301..c81f45d68 100644
--- a/app/templates/exercise_export/exercise_user.html.erb
+++ b/app/templates/exercise_export/exercise_user.html.erb
@@ -112,6 +112,7 @@
     <div class="mbt10">
       <% @exercise_questions.each do |q| %>
         <% q_type = q.question_type %>
+        <% games =( q_type == 5 ? @ex_user_user.games.ch_games(q.exercise_shixun_challenges.pluck(:challenge_id)) : nil) %>
         <% user_answer = (q_type == 5 ? q.exercise_shixun_answers.where(user_id: @ex_user_user.id) : q.exercise_answers.where(user_id: @ex_user_user.id)) %>
         <% this_ques_status = @ex_obj_array.detect{|f| f[:q_id] == q.id} %>
         <% main_ques_status = @ex_sub_array.detect{|f| f[:q_id] == q.id} %>
@@ -247,8 +248,8 @@
                     <th width="13%">得分/满分</th>
                     </thead>
                     <tbody>
-                    <% if @games.size > 0 %>
-                      <% @games.each_with_index do |game, index| %>
+                    <% if games.present? %>
+                      <% games&.each_with_index do |game, index| %>
                         <% game_score = q.exercise_shixun_challenges.where(challenge_id:game.challenge.id) %>
                         <% user_score = q.exercise_shixun_answers.where(exercise_shixun_challenge_id: game_score&.first&.id,user_id: @ex_user_user.id) %>
                         <tr>
@@ -286,7 +287,7 @@
                   <p class="text-gray mbt10">
                     <span class="fl font-bd">实训详情</span>
                   </p>
-                  <% @games.each_with_index do |game, index| %>
+                  <% games&.each_with_index do |game, index| %>
                     <div class="mbt10">
                       <p class="clearfix">
                         <span class="fl mt3"><span class="font-bd mr15">第<%= index+1 %>关</span><%= game.challenge.subject %></span>