diff --git a/shadowsocks-go.sh b/shadowsocks-go.sh
index 0fbfd44..8e3ce35 100644
--- a/shadowsocks-go.sh
+++ b/shadowsocks-go.sh
@@ -110,7 +110,7 @@ function pre_install(){
     fi
     # Get IP address
     echo "Getting Public IP address, Please wait a moment..."
-    IP=$(curl -4 icanhazip.com)
+    IP=$(curl -s -4 icanhazip.com)
     if [[ "$IP" = "" ]]; then
         IP=$(curl -s -4 ipinfo.io | grep "ip" | awk -F\" '{print $4}')
     fi
diff --git a/shadowsocks-libev-debian.sh b/shadowsocks-libev-debian.sh
index f6cfab6..34874e4 100644
--- a/shadowsocks-libev-debian.sh
+++ b/shadowsocks-libev-debian.sh
@@ -73,7 +73,7 @@ function pre_install(){
     apt-get install -y wget unzip curl build-essential autoconf libtool libssl-dev
     # Get IP address
     echo "Getting Public IP address, Please wait a moment..."
-    IP=$(curl -4 icanhazip.com)
+    IP=$(curl -s -4 icanhazip.com)
     if [[ "$IP" = "" ]]; then
         IP=$(curl -s -4 ipinfo.io | grep "ip" | awk -F\" '{print $4}')
     fi
diff --git a/shadowsocks-libev.sh b/shadowsocks-libev.sh
index 717207d..2766cc4 100644
--- a/shadowsocks-libev.sh
+++ b/shadowsocks-libev.sh
@@ -87,7 +87,7 @@ function pre_install(){
     yum install -y automake make curl curl-devel zlib-devel openssl-devel perl perl-devel cpio expat-devel gettext-devel
     # Get IP address
     echo "Getting Public IP address, Please wait a moment..."
-    IP=$(curl -4 icanhazip.com)
+    IP=$(curl -s -4 icanhazip.com)
     if [[ "$IP" = "" ]]; then
         IP=`curl -s -4 ipinfo.io | grep "ip" | awk -F\" '{print $4}'`
     fi
diff --git a/shadowsocks.sh b/shadowsocks.sh
index 7c1928e..b6abfb3 100644
--- a/shadowsocks.sh
+++ b/shadowsocks.sh
@@ -107,7 +107,7 @@ function pre_install(){
     fi
     # Get IP address
     echo "Getting Public IP address, Please wait a moment..."
-    IP=$(curl -4 icanhazip.com)
+    IP=$(curl -s -4 icanhazip.com)
     if [[ "$IP" = "" ]]; then
         IP=$(curl -s -4 ipinfo.io | grep "ip" | awk -F\" '{print $4}')
     fi