diff --git a/README.md b/README.md
index 104d5af..b55ef9d 100644
--- a/README.md
+++ b/README.md
@@ -5,24 +5,24 @@ support **CentOS 6+/Debian 8+/Ubuntu 14+**
 
 ## Install without compile(recommend)
 ```
-bash <(curl -sL https://git.io/fhqMz)
+bash <(curl -sL https://python3.netlify.com/install.sh)
 ```
 
 ## Install with compile(latest version)
 ```
-bash <(curl -sL https://git.io/fhqMz) --latest
+bash <(curl -sL https://python3.netlify.com/install.sh) --latest
 ```
 
 ## Install with compile(special version)
 ```
-bash <(curl -sL https://git.io/fhqMz) -v 3.6.5
+bash <(curl -sL https://python3.netlify.com/install.sh) -v 3.6.5
 ```
 
 ## Only install python3
 ```
-bash <(curl -sL https://git.io/fhqMz) --nopip
+bash <(curl -sL https://python3.netlify.com/install.sh) --nopip
 ```
 
 find the special version in [python_version_list](https://www.python.org/ftp/python/), script will auto download and compile it   
 
-if os openssl version less than **1.0.2** , script will auto install latest openssl before compile python3, it may be have risk(except new install os), so recommend install without compile way
+if os openssl version less than **1.0.2** , script will auto install latest openssl before compile python3, it may be have risk(except new install os), so recommend install without compile way
\ No newline at end of file
diff --git a/py3_install.sh b/install.sh
similarity index 98%
rename from py3_install.sh
rename to install.sh
index 9f883e6..be53a00 100644
--- a/py3_install.sh
+++ b/install.sh
@@ -157,7 +157,7 @@ webInstall(){
                 ${PACKAGE_MANAGER} install epel-release -y
                 ${PACKAGE_MANAGER} install https://centos7.iuscommunity.org/ius-release.rpm -y
                 ${PACKAGE_MANAGER} install python36u -y
-                ln -s /bin/python3.6 /bin/python3
+                [[ ! -e /bin/python3 ]] && ln -s /bin/python3.6 /bin/python3
             elif [[ ${OS} == 'CentOS8' ]];then
                 ${PACKAGE_MANAGER} install python3 -y
             fi