From aa498f13908176780921e866f6f933312295f26b Mon Sep 17 00:00:00 2001
From: Qiangguo Feng <32355651+FengJungle@users.noreply.github.com>
Date: Sat, 9 Oct 2021 13:38:52 +0800
Subject: [PATCH] bugfix:set pointer to nullptr

---
 13.ProxyPattern/2.Code/main.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/13.ProxyPattern/2.Code/main.cpp b/13.ProxyPattern/2.Code/main.cpp
index b563585..8920ac2 100644
--- a/13.ProxyPattern/2.Code/main.cpp
+++ b/13.ProxyPattern/2.Code/main.cpp
@@ -10,7 +10,8 @@ int main()
 	printf("\n\n");
 
 	delete subject;
+	subject = nullptr;
 
 	system("pause");
 	return 0;
-}
\ No newline at end of file
+}