From 032ba7f7a62b90f9d7eb6a99a2c5f2153f094330 Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Mon, 23 Dec 2019 14:40:25 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=9B=E5=BB=BA=E8=AF=84=E8=AE=BA=E6=8A=A5?=
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---
 app/models/discuss.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/discuss.rb b/app/models/discuss.rb
index a50b18a6f..e8fee2ed1 100644
--- a/app/models/discuss.rb
+++ b/app/models/discuss.rb
@@ -10,7 +10,7 @@ class Discuss < ApplicationRecord
   has_one :praise_tread_cache, as: :object, dependent: :destroy
   belongs_to :dis, polymorphic: true
 
-  belongs_to :challenge
+  belongs_to :challenge, optional: true
   after_create :send_tiding
 
   scope :children, -> (discuss_id){ where(parent_id: discuss_id).includes(:user).reorder(created_at: :asc) }