diff --git a/docker/readme.txt b/docker/readme.txt
index 3bb1715..990c36c 100644
--- a/docker/readme.txt
+++ b/docker/readme.txt
@@ -2,10 +2,10 @@
 docker版本1.20以上
 
 解压南墙安装包：
-tar zxvf waf.tgz && cd waf
+tar -zxf waf.tgz && cd waf
 
 南墙Docker管理：执行如下面命令，根据提示启动南墙docker服务
-sh uuwaf.sh
+bash uuwaf.sh
 
 快速入门：
 1、登录后台，访问https://wafip:4443，wafip为安装南墙的服务器ip，用户名admin，密码Passw0rd!
diff --git a/docker/uuwaf.sh b/docker/uuwaf.sh
index 01a6ee8..c77d4bc 100644
--- a/docker/uuwaf.sh
+++ b/docker/uuwaf.sh
@@ -42,8 +42,8 @@ uninstall_uuwaf(){
 	stop_uuwaf
 	docker rm -f uuwaf wafdb > /dev/null 2>&1
 	docker network rm wafnet > /dev/null 2>&1
-	docker images|grep nanqiang|awk '{print $3}'|xargs docker rmi -f
-	docker volume ls|grep wafshared|awk '{print $2}'|xargs docker volume rm -f
+	docker images|grep nanqiang|awk '{print $3}'|xargs docker rmi -f > /dev/null 2>&1
+	docker volume ls|grep waf|awk '{print $2}'|xargs docker volume rm -f > /dev/null 2>&1
 }
 
 start_uuwaf(){
@@ -58,7 +58,9 @@ start_uuwaf(){
 }
 
 update_uuwaf(){
-	uninstall_uuwaf
+	stop_uuwaf
+	docker images|grep nanqiang|awk '{print $3}'|xargs docker rmi -f > /dev/null 2>&1
+	docker volume ls|grep wafshared|awk '{print $2}'|xargs docker volume rm -f > /dev/null 2>&1
 	start_uuwaf
 }
 
diff --git a/docs/waf.tgz b/docs/waf.tgz
index 57aae12..6c195b8 100644
Binary files a/docs/waf.tgz and b/docs/waf.tgz differ