From c40b848ebf5597d837fecc78096abea96caedd30 Mon Sep 17 00:00:00 2001
From: liukai <liukai8233@outlook.com>
Date: Sun, 28 Mar 2021 17:13:55 +0800
Subject: [PATCH] =?UTF-8?q?docs:=20placement=20new=20=E5=BA=94=E5=9C=A8?=
 =?UTF-8?q?=E5=B7=B2=E5=88=86=E9=85=8D=E7=9A=84=E5=86=85=E5=AD=98=E4=B8=8A?=
 =?UTF-8?q?=E6=9E=84=E9=80=A0=E5=AF=B9=E8=B1=A1?=
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---
 design_pattern/singleton/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/design_pattern/singleton/README.md b/design_pattern/singleton/README.md
index 73bbf40..4601823 100644
--- a/design_pattern/singleton/README.md
+++ b/design_pattern/singleton/README.md
@@ -185,7 +185,7 @@ singleton *instance() {
         lock_guard<mutex> guard(lock_);
         if (p == nullptr) {
             singleton *tmp = static_cast<singleton *>(operator new(sizeof(singleton)));
-            new(p)singleton();
+            new(tmp)singleton();
             p = tmp;
         }
     }