From 39aafd7c8facbfcb01cb581aa1533847bc90b679 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BE=90=E9=A1=BA=E9=80=89?= <sxxu@linx-info.com>
Date: Thu, 19 Apr 2018 09:38:38 +0800
Subject: [PATCH] modified create /dev/shm

---
 record-update-to-700.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/record-update-to-700.md b/record-update-to-700.md
index c1f6885..54e9242 100644
--- a/record-update-to-700.md
+++ b/record-update-to-700.md
@@ -38,7 +38,7 @@ output="$2"
 2. 修改过的udev164安装包。（修改包中的启动脚本，在start末尾添加创建/dev/shm）
 
 ```
-    if [ -d /dev/shm ];then
+    if [ ! -d /dev/shm ];then
 	mkdir --mode=755 /dev/shm
     fi
     ;;