From e5e24d545521de2dd6582f96bd703a1e2714796d Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Mon, 23 Dec 2019 19:43:09 +0800
Subject: [PATCH] 1

---
 db/migrate/20191223113620_modify_task_pass_for_challenges.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/db/migrate/20191223113620_modify_task_pass_for_challenges.rb b/db/migrate/20191223113620_modify_task_pass_for_challenges.rb
index cfcb77fc7..f0d04f964 100644
--- a/db/migrate/20191223113620_modify_task_pass_for_challenges.rb
+++ b/db/migrate/20191223113620_modify_task_pass_for_challenges.rb
@@ -1,6 +1,7 @@
 class ModifyTaskPassForChallenges < ActiveRecord::Migration[5.2]
   def change
     challenge = Challenge.find(6917)
-    challenge.update_attribute(:task_pass, challenge.task_pass.gsub("", "").gsub("rac", "\frac"))
+    task_pass = challenge.task_pass.gsub("", "").gsub("rac", '\frac')
+    challenge.update_attribute(:task_pass, task_pass)
   end
 end