From e614a2d111c6710b562ed425f2480bb458016172 Mon Sep 17 00:00:00 2001
From: huang <huang.jingquan@163.com>
Date: Tue, 27 Dec 2016 12:33:08 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D500=E9=97=AE=E9=A2=98?=
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---
 app/models/user.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/models/user.rb b/app/models/user.rb
index a564916e9..d6722274c 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -917,6 +917,9 @@ class User < Principal
 
   # 判断是否是竞赛的主办人
   def admin_of_contest?(contest)
+    if contest.nil?
+      return false
+    end
     if ContestMember.where("user_id =? and contest_id =?", self.id, contest.id).count == 0
       return false
     end