fix bug

app/services/exercise_user_pdf_service.rb

@@ -2,6 +2,7 @@ class ExerciseUserPdfService
   include ExercisesHelper
   include ApplicationHelper
   include StudentWorksHelper
+  include GitHelper
 
   attr_reader :exercise, :ex_user, :request_url
 

app/templates/exercise_export/exercise_export.css

@@ -333,6 +333,7 @@ textarea{
 }
 .ex-scores{
     height: auto ;
+    word-break: break-all;
 }
 
 

app/templates/exercise_export/exercise_user.html.erb

@@ -316,20 +316,23 @@
                             </tbody>
                           </table>
                         <% end %>
-                        <% if game.try(:lastest_code).present? && game.challenge.st == 0 %>
-                          <% con_rows = content_line(game.lastest_code) %>
-                          <div class="mbt20">
-                            <p class="bgc" >
+                        <% if game.try(:lastest_code).blank? %>
+                        <% cha_path = challenge_path(game.challenge&.path) %>
+                          <% latest_code = git_fle_content(game.myshixun.repo_path,cha_path) %>
+                        <% else %>
+                            <%  latest_code = game.try(:lastest_code) %>
+                          <% end %>
+                        <div class="mbt20">
+                          <p class="bgc" >
                               <span class="pd10" style="display:inherit;">
                                 <span class="fl">最近通过的代码</span>
-                              <span class="pull-right"><%= game.challenge.path %></span>
+                              <span class="pull-right"><%= game.challenge&.path %></span>
                               </span>
-                            </p>
-                            <div class="bg-e pd10">
-                              <textarea class="" id="content_show_<%= game.id %>" name="content" rows="<%= con_rows %>"><%= game.lastest_code %></textarea>
-                            </div>
+                          </p>
+                          <div class="bg-e pd10">
+                            <textarea class="" id="content_show_<%= game.id %>" name="content"><%= latest_code %></textarea>
                           </div>
-                        <% end %>
+                        </div>
                       </div>
                     </div>
                   <% end %>