diff --git a/root/usr/share/mosdns/dns.sh b/root/usr/share/mosdns/dns.sh
index 7aed934..bfa885d 100755
--- a/root/usr/share/mosdns/dns.sh
+++ b/root/usr/share/mosdns/dns.sh
@@ -7,10 +7,12 @@ if [ "$(ifconfig | grep -c wan)" = 0 ]; then
 	exit 0
 fi
 
-if [[ "$(getdns 0)" =~ ^127\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-	getdns "$1" inactive
-elif [[ "$(getdns "$1")" =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-	getdns "$1"
-else
-	bakdns "$1"
+if [ $1 ]; then
+	if [[ "$(getdns 0)" =~ ^127\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+		getdns "$1" inactive
+	elif [[ "$(getdns "$1")" =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+		getdns "$1"
+	else
+		bakdns "$1"
+	fi
 fi
diff --git a/root/usr/share/mosdns/library.sh b/root/usr/share/mosdns/library.sh
index 3da7e6d..76409bb 100755
--- a/root/usr/share/mosdns/library.sh
+++ b/root/usr/share/mosdns/library.sh
@@ -14,9 +14,9 @@ exist() {
 
 getdat() {
   if exist curl; then
-    curl -fSLo "$TMPDIR/$1" "https://github.sbwml.repl.co/https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/$1"
+    curl -fSLo "$TMPDIR/$1" "https://github.cooluc.com/https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/$1"
   else
-    wget "https://github.sbwml.repl.co/https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/$1" -nv -O "$TMPDIR/$1"
+    wget "https://github.cooluc.com/https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/$1" -nv -O "$TMPDIR/$1"
   fi
 }