diff --git a/scripts/update_dev.sh b/scripts/update_dev.sh
index 024b9ecc2..7598d9c26 100755
--- a/scripts/update_dev.sh
+++ b/scripts/update_dev.sh
@@ -54,15 +54,23 @@ else
 	OSNAME='unknow'
 fi
 
-# cn=$(curl -fsSL -m 10 http://ipinfo.io/json | grep "\"country\": \"CN\"")
+# HTTP_PREFIX="https://"
+# LOCAL_ADDR=common
+# ping  -c 1 github.com > /dev/null 2>&1
+# if [ "$?" != "0" ];then
+# 	LOCAL_ADDR=cn
+# 	HTTP_PREFIX="https://ghproxy.com/"
+# fi
+
+cn=$(curl -fsSL -m 10 -s http://ipinfo.io/json | grep "\"country\": \"CN\"")
 HTTP_PREFIX="https://"
 LOCAL_ADDR=common
-ping  -c 1 github.com > /dev/null 2>&1
-if [ "$?" != "0" ];then
+if [ ! -z "$cn" ];then
 	LOCAL_ADDR=cn
-	HTTP_PREFIX="https://ghproxy.com/"
+    HTTP_PREFIX="https://ghproxy.com/"
 fi
 
+
 CP_CMD=/usr/bin/cp
 if [ -f /bin/cp ];then
 		CP_CMD=/bin/cp
@@ -78,7 +86,7 @@ if [ "$LOCAL_ADDR" != "common" ];then
 	rm -rf /tmp/master.zip
 	rm -rf /tmp/mdserver-web
 else
-	curl --insecure -sSLo /tmp/dev.zip https://github.com/midoks/mdserver-web/archive/refs/heads/dev.zip
+	curl --insecure -sSLo /tmp/dev.zip ${HTTP_PREFIX}github.com/midoks/mdserver-web/archive/refs/heads/dev.zip
 	cd /tmp && unzip /tmp/dev.zip
 	$CP_CMD -rf /tmp/mdserver-web-dev/* /www/server/mdserver-web
 	rm -rf /tmp/dev.zip