更新 'os/get-mysql.sh'

os/get-mysql.sh

@@ -30,9 +30,7 @@ rm -rvf /etc/my.cnf /var/lib/mysql /var/log/mysql*
 userdel -rf mysql &>/dev/null
 ping -c1 -w1 www.baidu.com &>/dev/null
 if [[ $? -eq 0 ]];then
-	if [ ! -f /tmp/.init ];then
-		yum install -y https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm
-	fi
+	yum install -y https://dev.mysql.com/get/mysql80-community-release-el7-1.noarch.rpm
 else
 	color Error "网络错误"
 	exit 22