diff --git a/shadowsocks-go.sh b/shadowsocks-go.sh
index 32e5a72..91038de 100644
--- a/shadowsocks-go.sh
+++ b/shadowsocks-go.sh
@@ -135,7 +135,7 @@ function pre_install(){
     echo "Getting Public IP address, Please wait a moment..."
     IP=$(curl -s -4 icanhazip.com)
     if [[ "$IP" = "" ]]; then
-        IP=$(curl -s -4 ipinfo.io | grep "ip" | awk -F\" '{print $4}')
+        IP=$(curl -s -4 ipinfo.io/ip)
     fi
     echo -e "Your main public IP is\t\033[32m$IP\033[0m"
     echo ""
diff --git a/shadowsocks-libev-debian.sh b/shadowsocks-libev-debian.sh
index bf81d7d..634c2be 100644
--- a/shadowsocks-libev-debian.sh
+++ b/shadowsocks-libev-debian.sh
@@ -98,7 +98,7 @@ function pre_install(){
     echo "Getting Public IP address, Please wait a moment..."
     IP=$(curl -s -4 icanhazip.com)
     if [[ "$IP" = "" ]]; then
-        IP=$(curl -s -4 ipinfo.io | grep "ip" | awk -F\" '{print $4}')
+        IP=$(curl -s -4 ipinfo.io/ip)
     fi
     echo -e "Your main public IP is\t\033[32m$IP\033[0m"
     echo ""
diff --git a/shadowsocks-libev.sh b/shadowsocks-libev.sh
index 247cb14..7b958d0 100644
--- a/shadowsocks-libev.sh
+++ b/shadowsocks-libev.sh
@@ -112,7 +112,7 @@ function pre_install(){
     echo "Getting Public IP address, Please wait a moment..."
     IP=$(curl -s -4 icanhazip.com)
     if [[ "$IP" = "" ]]; then
-        IP=`curl -s -4 ipinfo.io | grep "ip" | awk -F\" '{print $4}'`
+        IP=`curl -s -4 ipinfo.io/ip`
     fi
     echo -e "Your main public IP is\t\033[32m$IP\033[0m"
     echo ""