diff --git a/sysutils.go b/sysutils.go
index e4b661b..522aa14 100644
--- a/sysutils.go
+++ b/sysutils.go
@@ -117,7 +117,7 @@ func IsNumberType(v interface{}) bool {
 }
 
 func FormatUnixDateTime(sec int64, loc *time.Location) string {
-	strTime := time.Unix(sec, 0).In(loc). Format("2006-01-02 15:04:05")
+	strTime := time.Unix(sec, 0).In(loc).Format("2006-01-02 15:04:05")
 	return strTime
 }
 
@@ -154,37 +154,45 @@ func UnSetBitFlag(val *int64, bitNum int32) {
 }
 
 func GetLocalIP() string {
-	interfaces, err := net.Interfaces()
+	conn, err := net.Dial("udp", "8.8.8.8:80")
 	if err != nil {
-		panic(err)
-	}
-	ipList := []string{}
-	for _, iface := range interfaces {
-		if iface.Flags&net.FlagUp == 0 || iface.Flags&net.FlagLoopback != 0 {
-			continue
-		}
-		addrs, err := iface.Addrs()
-		if err != nil {
-			panic(err)
-		}
-		for _, addr := range addrs {
-			ipnet, ok := addr.(*net.IPNet)
-			if !ok || ipnet.IP.IsLoopback() {
-				continue
-			}
-			if ipnet.IP.To4() != nil {
-				ipList = append(ipList, ipnet.IP.String())
-			}
-		}
-	}
-	if len(ipList) != 1 {
-		panic("GetLocalIP error")
-	} else {
-		return ipList[0]
+		return ""
 	}
+	defer conn.Close()
+	localAddr := conn.LocalAddr().(*net.UDPAddr)
+	return localAddr.IP.String()
+
+	//interfaces, err := net.Interfaces()
+	//if err != nil {
+	//	panic(err)
+	//}
+	//ipList := []string{}
+	//for _, iface := range interfaces {
+	//	if iface.Flags&net.FlagUp == 0 || iface.Flags&net.FlagLoopback != 0 {
+	//		continue
+	//	}
+	//	addrs, err := iface.Addrs()
+	//	if err != nil {
+	//		panic(err)
+	//	}
+	//	for _, addr := range addrs {
+	//		ipnet, ok := addr.(*net.IPNet)
+	//		if !ok || ipnet.IP.IsLoopback() {
+	//			continue
+	//		}
+	//		if ipnet.IP.To4() != nil {
+	//			ipList = append(ipList, ipnet.IP.String())
+	//		}
+	//	}
+	//}
+	//if len(ipList) != 1 {
+	//	panic("GetLocalIP error")
+	//} else {
+	//	return ipList[0]
+	//}
 }
 
-func NewSlice[T any](s *[]T ,len int32, cap int32){
+func NewSlice[T any](s *[]T, len int32, cap int32) {
 	*s = make([]T, len, cap)
 }