diff --git a/sb.sh b/sb.sh
index f45167b..5acddea 100644
--- a/sb.sh
+++ b/sb.sh
@@ -156,14 +156,17 @@ v4orv6(){
 if [ -z $(curl -s4m5 icanhazip.com -k) ]; then
 echo
 red "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
-yellow "检测到 纯IPV6 VPS，添加DNS64"
+yellow "检测到 纯IPV6 VPS，添加NAT64"
 echo -e "nameserver 2a00:1098:2b::1\nnameserver 2a00:1098:2c::1\nnameserver 2a01:4f8:c2c:123f::1" > /etc/resolv.conf
-endip=2606:4700:d0::a29f:c101
 ipv=prefer_ipv6
 else
-endip=162.159.192.1
 ipv=prefer_ipv4
 fi
+if [ -n $(curl -s6m5 icanhazip.com -k) ]; then
+endip=2606:4700:d0::a29f:c101
+else
+endip=162.159.192.1
+fi
 }
 warpcheck
 if [[ ! $wgcfv4 =~ on|plus && ! $wgcfv6 =~ on|plus ]]; then