diff --git a/ipgeo/ipfilter.go b/ipgeo/ipfilter.go
index a7b95db..0edf64e 100644
--- a/ipgeo/ipfilter.go
+++ b/ipgeo/ipfilter.go
@@ -158,7 +158,7 @@ func Filter(ip string) (*IPGeoData, bool) {
 	default:
 	}
 	// 判断是否为v6 且不在2000::/3
-	if net.ParseIP(ip).To4() == nil && !cidrRangeContains("2000::/3", ip) {
+	if net.ParseIP(ip).To4() == nil && !cidrRangeContains("2000::/3", ip) && !isFiltered {
 		asn = ""
 		whois = "INVALID"
 		isFiltered = true
diff --git a/ipgeo/ipgeo_test.go b/ipgeo/ipgeo_test.go
index 87999de..120c2fa 100644
--- a/ipgeo/ipgeo_test.go
+++ b/ipgeo/ipgeo_test.go
@@ -38,7 +38,7 @@ func TestXxx(t *testing.T) {
 }
 
 func TestFilter(t *testing.T) {
-	res, err := Filter("::1")
+	res, err := Filter("fd11::1")
 	//打印whois信息
 	fmt.Println(res.Whois)
 	print(err)