From 05cafcff8c49f8e236b2763a8ff63fbdf3018ece Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Sat, 22 Jun 2019 13:57:58 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=81=E7=A7=BB=E6=8A=A5=E9=94=99?=
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---
 db/migrate/20190622055449_modify_shixun_info_for_shixuns.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/db/migrate/20190622055449_modify_shixun_info_for_shixuns.rb b/db/migrate/20190622055449_modify_shixun_info_for_shixuns.rb
index 30ea96d65..5b3ceada6 100644
--- a/db/migrate/20190622055449_modify_shixun_info_for_shixuns.rb
+++ b/db/migrate/20190622055449_modify_shixun_info_for_shixuns.rb
@@ -11,7 +11,7 @@ class ModifyShixunInfoForShixuns < ActiveRecord::Migration[5.2]
                            evaluate_script: shixun[:evaluate_script], shixun_id: shixun.id)
       end
     end
-    if shixun.description.present?
+    if Shixun.first.description.present?
       remove_columns :shixuns, :description, :propaedeutics, :evaluate_script
     end
   end