From 48e85cb07866fd733d862b91d71293b216b12f25 Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Thu, 13 Feb 2020 15:29:49 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4?=
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---
 app/views/examination_banks/show.json.jbuilder | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/views/examination_banks/show.json.jbuilder b/app/views/examination_banks/show.json.jbuilder
index 2a2da9af9..187e89cc2 100644
--- a/app/views/examination_banks/show.json.jbuilder
+++ b/app/views/examination_banks/show.json.jbuilder
@@ -40,7 +40,9 @@ json.exam do
   json.all_questions_count @items.size
 
   json.discipline do
-    json.(@exam.sub_discipline&.discipline, :id, :name)
+    if @exam.sub_discipline&.discipline.present?
+      json.(@exam.sub_discipline&.discipline, :id, :name)
+    end
   end
   json.sub_discipline do
     json.(@exam.sub_discipline, :id, :name)