diff --git a/internal/rpc/user/user.go b/internal/rpc/user/user.go
index 9d716922a..53f43b60d 100644
--- a/internal/rpc/user/user.go
+++ b/internal/rpc/user/user.go
@@ -2,6 +2,7 @@ package user
 
 import (
 	"context"
+	"time"
 
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
@@ -159,12 +160,18 @@ func (s *userServer) GetPaginationUsers(ctx context.Context, req *pbuser.GetPagi
 // ok
 func (s *userServer) UserRegister(ctx context.Context, req *pbuser.UserRegisterReq) (resp *pbuser.UserRegisterResp, err error) {
 	resp = &pbuser.UserRegisterResp{}
+	if len(req.Users) == 0 {
+		return nil, errs.ErrArgs.Wrap("users is empty")
+	}
 	if utils.DuplicateAny(req.Users, func(e *sdkws.UserInfo) string { return e.UserID }) {
 		return nil, errs.ErrArgs.Wrap("userID repeated")
 	}
 	userIDs := make([]string, 0)
-	for _, v := range req.Users {
-		userIDs = append(userIDs, v.UserID)
+	for _, user := range req.Users {
+		if user.UserID == "" {
+			return nil, errs.ErrArgs.Wrap("userID is empty")
+		}
+		userIDs = append(userIDs, user.UserID)
 	}
 	exist, err := s.IsExist(ctx, userIDs)
 	if err != nil {
@@ -173,12 +180,25 @@ func (s *userServer) UserRegister(ctx context.Context, req *pbuser.UserRegisterR
 	if exist {
 		return nil, errs.ErrRegisteredAlready.Wrap("userID registered already")
 	}
-	users, err := (*convert.PBUser)(nil).PB2DB(req.Users)
-	if err != nil {
-		return nil, err
+	now := time.Now()
+	users := make([]*tablerelation.UserModel, 0, len(req.Users))
+	for _, user := range req.Users {
+		users = append(users, &tablerelation.UserModel{
+			UserID:           user.UserID,
+			Nickname:         user.Nickname,
+			FaceURL:          user.FaceURL,
+			Gender:           user.Gender,
+			AreaCode:         user.AreaCode,
+			PhoneNumber:      user.PhoneNumber,
+			Birth:            time.UnixMilli(user.Birth),
+			Email:            user.Email,
+			Ex:               user.Ex,
+			CreateTime:       now,
+			AppMangerLevel:   user.AppMangerLevel,
+			GlobalRecvMsgOpt: user.GlobalRecvMsgOpt,
+		})
 	}
-	err = s.Create(ctx, users)
-	if err != nil {
+	if err := s.Create(ctx, users); err != nil {
 		return nil, err
 	}
 	return resp, nil
diff --git a/pkg/proto/sdkws/sdkws.pb.go b/pkg/proto/sdkws/sdkws.pb.go
index 77b832a19..efb78e109 100644
--- a/pkg/proto/sdkws/sdkws.pb.go
+++ b/pkg/proto/sdkws/sdkws.pb.go
@@ -530,14 +530,14 @@ type UserInfo struct {
 	Nickname         string `protobuf:"bytes,2,opt,name=nickname,proto3" json:"nickname"`
 	FaceURL          string `protobuf:"bytes,3,opt,name=faceURL,proto3" json:"faceURL"`
 	Gender           int32  `protobuf:"varint,4,opt,name=gender,proto3" json:"gender"`
-	PhoneNumber      string `protobuf:"bytes,5,opt,name=phoneNumber,proto3" json:"phoneNumber"`
-	Birth            uint32 `protobuf:"varint,6,opt,name=birth,proto3" json:"birth"`
-	Email            string `protobuf:"bytes,7,opt,name=email,proto3" json:"email"`
-	Ex               string `protobuf:"bytes,8,opt,name=ex,proto3" json:"ex"`
-	CreateTime       int64  `protobuf:"varint,9,opt,name=createTime,proto3" json:"createTime"`
-	AppMangerLevel   int32  `protobuf:"varint,10,opt,name=appMangerLevel,proto3" json:"appMangerLevel"`
-	GlobalRecvMsgOpt int32  `protobuf:"varint,11,opt,name=globalRecvMsgOpt,proto3" json:"globalRecvMsgOpt"`
-	Birthday         int64  `protobuf:"varint,13,opt,name=birthday,proto3" json:"birthday"`
+	AreaCode         string `protobuf:"bytes,5,opt,name=areaCode,proto3" json:"areaCode"`
+	PhoneNumber      string `protobuf:"bytes,6,opt,name=phoneNumber,proto3" json:"phoneNumber"`
+	Birth            int64  `protobuf:"varint,7,opt,name=birth,proto3" json:"birth"`
+	Email            string `protobuf:"bytes,8,opt,name=email,proto3" json:"email"`
+	Ex               string `protobuf:"bytes,9,opt,name=ex,proto3" json:"ex"`
+	CreateTime       int64  `protobuf:"varint,10,opt,name=createTime,proto3" json:"createTime"`
+	AppMangerLevel   int32  `protobuf:"varint,11,opt,name=appMangerLevel,proto3" json:"appMangerLevel"`
+	GlobalRecvMsgOpt int32  `protobuf:"varint,12,opt,name=globalRecvMsgOpt,proto3" json:"globalRecvMsgOpt"`
 }
 
 func (x *UserInfo) Reset() {
@@ -600,6 +600,13 @@ func (x *UserInfo) GetGender() int32 {
 	return 0
 }
 
+func (x *UserInfo) GetAreaCode() string {
+	if x != nil {
+		return x.AreaCode
+	}
+	return ""
+}
+
 func (x *UserInfo) GetPhoneNumber() string {
 	if x != nil {
 		return x.PhoneNumber
@@ -607,7 +614,7 @@ func (x *UserInfo) GetPhoneNumber() string {
 	return ""
 }
 
-func (x *UserInfo) GetBirth() uint32 {
+func (x *UserInfo) GetBirth() int64 {
 	if x != nil {
 		return x.Birth
 	}
@@ -649,13 +656,6 @@ func (x *UserInfo) GetGlobalRecvMsgOpt() int32 {
 	return 0
 }
 
-func (x *UserInfo) GetBirthday() int64 {
-	if x != nil {
-		return x.Birthday
-	}
-	return 0
-}
-
 type FriendInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -5969,22 +5969,22 @@ var file_sdkws_sdkws_proto_rawDesc = []byte{
 	0x09, 0x52, 0x08, 0x6e, 0x69, 0x63, 0x6b, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x66,
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diff --git a/pkg/proto/sdkws/sdkws.proto b/pkg/proto/sdkws/sdkws.proto
index 3cff988f4..6dc942ee7 100644
--- a/pkg/proto/sdkws/sdkws.proto
+++ b/pkg/proto/sdkws/sdkws.proto
@@ -66,14 +66,14 @@ message UserInfo{
   string nickname = 2;
   string faceURL = 3;
   int32 gender = 4;
-  string phoneNumber = 5;
-  uint32 birth = 6;
-  string email = 7;
-  string ex = 8;
-  int64 createTime = 9;
-  int32 appMangerLevel = 10;
-  int32 globalRecvMsgOpt = 11;
-  int64 birthday = 13;
+  string areaCode = 5;
+  string phoneNumber = 6;
+  int64 birth = 7;
+  string email = 8;
+  string ex = 9;
+  int64 createTime = 10;
+  int32 appMangerLevel = 11;
+  int32 globalRecvMsgOpt = 12;
 }
 
 message FriendInfo{