diff --git a/README.md b/README.md
index eb8b2a4..76cfcbe 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ If your VPS is a Linux 64-bit system, you only need to execute the following sen
 Tip: All operations require root privileges.
 
 ```shell
-curl -L https://mirrors.host900.com/https://raw.githubusercontent.com/snail007/proxy_admin_free/master/install_auto.sh | bash
+bash -c "$(curl -s -L https://raw.githubusercontent.com/snail007/proxy_admin_free/master/install_auto.sh)"
 ```
 
 The installation is complete, the configuration directory is /etc/gpa. For more detailed usage, please refer to the manual directory above to learn more about the features you want to use.
diff --git a/README_ZH.md b/README_ZH.md
index 550a127..9327d80 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -55,13 +55,13 @@ ProxyAdmin 是强大的代理服务工具 [snail007/goproxy](https://github.com/
 ##### 免费版执行这个哟:
 
 ```shell  
-curl -L https://mirrors.host900.com/https://github.com/snail007/proxy_admin_free/blob/master/install_auto.sh | bash  
+bash -c "$(curl -s -L https://mirrors.goproxyauth.com/https://github.com/snail007/proxy_admin_free/blob/master/install_auto.sh)" @ cn  
 ```  
 
 ##### VIP版执行这个:
 
 ```shell  
-curl -L https://mirrors.host900.com/https://github.com/snail007/proxy-admin-vip/blob/master/install_auto.sh | bash  
+bash -c "$(curl -s -L https://mirrors.goproxyauth.com/https://github.com/snail007/proxy-admin-vip/blob/master/install_auto.sh)" @ cn   
 ```  
  
 安装完成，配置目录是/etc/gpa，更详细的使用方法请参考上面的手册目录，进一步了解你想要使用的功能。 
diff --git a/install_auto.sh b/install_auto.sh
index 65d9ae9..996b793 100755
--- a/install_auto.sh
+++ b/install_auto.sh
@@ -1,4 +1,8 @@
 #!/bin/bash
+#!/bin/bash
+if [ "$1" == "cn" ]; then
+  MIRROR="https://mirrors.goproxyauth.com/"
+fi
 F="proxy-admin_linux-amd64.tar.gz"
 set -e
 if [ -e /tmp/proxy ]; then
@@ -9,8 +13,8 @@ cd /tmp/proxy
 echo -e "\n>>> downloading ... $F\n"
 
 manual="https://snail.gitee.io/proxy/manual/zh/"
-LAST_VERSION=$(curl --silent "https://mirrors.host900.com/https://api.github.com/repos/snail007/proxy_admin_free/releases/latest" | grep -Po '"tag_name":"\K.*?(?=")')
-wget  -t 1 "https://mirrors.host900.com/https://github.com/snail007/proxy_admin_free/releases/download/${LAST_VERSION}/$F"
+LAST_VERSION=$(curl --silent "${MIRROR}https://api.github.com/repos/snail007/proxy_admin_free/releases/latest" | grep -Po '"tag_name": *"\K.*?(?=")')
+wget  -t 1 "${MIRROR}https://github.com/snail007/proxy_admin_free/releases/download/${LAST_VERSION}/$F"
 
 echo -e ">>> installing ... \n"
 #install proxy-admin