From e07d595aabf76c4a24c68e651beb899227830fe5 Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Thu, 4 Jul 2019 15:09:55 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4?=
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---
 app/services/export_shixun_report_service.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/services/export_shixun_report_service.rb b/app/services/export_shixun_report_service.rb
index 4c8dab6aa..f9da3d6f2 100644
--- a/app/services/export_shixun_report_service.rb
+++ b/app/services/export_shixun_report_service.rb
@@ -10,7 +10,7 @@ class ExportShixunReportService
   end
 
   def filename
-    @_filename ||= "#{homework.name}-#{work.user.user_extension&.student_id}-#{work.user.real_name}.pdf".gsub(' ', '-').gsub('/', '_')
+    @_filename ||= "#{homework.name}-#{work.user&.student_id}-#{work.user.real_name}.pdf".gsub(' ', '-').gsub('/', '_')
   end
 
   def prepare_binding