fix: tcp-ping

pkg/monitor/myip.go

@@ -39,14 +39,17 @@ func UpdateIP(useIPv6CountryCode bool, period uint32) {
 			continue
 		}
 		if ipv4 == "" || ipv6 == "" {
+			if ipv4 == "" {
+				GeoQueryIP = ipv6
+			} else {
+				GeoQueryIP = ipv4
+			}
 			CachedIP = fmt.Sprintf("%s%s", ipv4, ipv6)
 		} else {
 			CachedIP = fmt.Sprintf("%s/%s", ipv4, ipv6)
 		}
 
-		if !useIPv6CountryCode {
-			GeoQueryIP = ipv4
-		} else {
+		if useIPv6CountryCode {
 			GeoQueryIP = ipv6
 		}