diff --git a/clients/naming_client/naming_client.go b/clients/naming_client/naming_client.go
index 1feb4c4f..fd2a74ff 100644
--- a/clients/naming_client/naming_client.go
+++ b/clients/naming_client/naming_client.go
@@ -109,6 +109,12 @@ func (sc *NamingClient) RegisterInstance(param vo.RegisterInstanceParam) (bool,
 	if len(param.GroupName) == 0 {
 		param.GroupName = constant.DEFAULT_GROUP
 	}
+	if err := util.ValidateIPAddress(param.Ip); err != nil {
+		return false, err
+	}
+	if param.Port <= 0 || param.Port > math.MaxUint16 {
+		return false, errors.New("port is invalid")
+	}
 	if param.Metadata == nil {
 		param.Metadata = make(map[string]string)
 	}
diff --git a/util/common.go b/util/common.go
index 2097dd1e..104ce713 100644
--- a/util/common.go
+++ b/util/common.go
@@ -18,15 +18,16 @@ package util
 
 import (
 	"encoding/json"
+	"fmt"
+	"github.com/nacos-group/nacos-sdk-go/v2/common/constant"
+	"github.com/nacos-group/nacos-sdk-go/v2/common/logger"
+	"github.com/nacos-group/nacos-sdk-go/v2/model"
 	"net"
 	"net/http"
 	"net/url"
 	"strconv"
+	"strings"
 	"time"
-
-	"github.com/nacos-group/nacos-sdk-go/v2/common/constant"
-	"github.com/nacos-group/nacos-sdk-go/v2/common/logger"
-	"github.com/nacos-group/nacos-sdk-go/v2/model"
 )
 
 func CurrentMillis() int64 {
@@ -148,3 +149,18 @@ func Contains(slice []string, item string) bool {
 	}
 	return false
 }
+
+// ValidateIPAddress validates if the input is a valid IPv4 or IPv6 address
+// Returns nil if valid, otherwise returns an error message
+func ValidateIPAddress(input string) error {
+	input = strings.TrimSpace(input)
+	if input == "" {
+		return fmt.Errorf("input is empty")
+	}
+
+	if ip := net.ParseIP(input); ip != nil {
+		return nil // Valid IP address
+	}
+
+	return fmt.Errorf("not a valid IPv4 or IPv6 address")
+}