From 8f3c907b31f1e5d22ccabe2e064dff8da8d94467 Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Tue, 22 Oct 2019 09:13:15 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4?=
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---
 app/models/competition.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/models/competition.rb b/app/models/competition.rb
index 684db8fa5..8b9d59ed2 100644
--- a/app/models/competition.rb
+++ b/app/models/competition.rb
@@ -80,12 +80,12 @@ class Competition < ApplicationRecord
 
   # 老师是否能多次报名
   def teacher_multiple_limited?
-    teacher_staff.mutiple_limited?
+    teacher_staff&.mutiple_limited?
   end
 
   # 队员是否能多次报名
   def member_multiple_limited?
-    member_staff.mutiple_limited?
+    member_staff&.mutiple_limited?
   end
 
   def max_min_stage_time