diff --git a/internal/rpc/group/group.go b/internal/rpc/group/group.go
index 1192155ea..ba5a348f9 100644
--- a/internal/rpc/group/group.go
+++ b/internal/rpc/group/group.go
@@ -94,7 +94,7 @@ func (s *groupServer) CreateGroup(ctx context.Context, req *pbGroup.CreateGroupR
 	}
 
 	//to group member
-	groupMember := imdb.GroupMember{GroupID: groupId, RoleLevel: 1}
+	groupMember := imdb.GroupMember{GroupID: groupId, RoleLevel: constant.GroupOwner}
 	utils.CopyStructFields(&groupMember, us)
 	err = im_mysql_model.InsertIntoGroupMember(groupMember)
 	if err != nil {
@@ -114,7 +114,7 @@ func (s *groupServer) CreateGroup(ctx context.Context, req *pbGroup.CreateGroupR
 			log.NewError(req.OperationID, "FindUserByUID failed ", err.Error(), user.UserID)
 			continue
 		}
-		if user.RoleLevel == 1 {
+		if user.RoleLevel == constant.GroupOwner {
 			log.NewError(req.OperationID, "only one owner, failed ", user)
 			continue
 		}
@@ -224,7 +224,7 @@ func (s *groupServer) InviteUserToGroup(ctx context.Context, req *pbGroup.Invite
 		var toInsertInfo imdb.GroupMember
 		utils.CopyStructFields(&toInsertInfo, toUserInfo)
 		toInsertInfo.GroupID = req.GroupID
-		toInsertInfo.RoleLevel = 0
+		toInsertInfo.RoleLevel = constant.GroupOrdinaryUsers
 		err = imdb.InsertIntoGroupMember(toInsertInfo)
 		if err != nil {
 			log.NewError(req.OperationID, "InsertIntoGroupMember failed ", req.GroupID, toUserInfo.UserID, toUserInfo.Nickname, toUserInfo.FaceUrl)
@@ -331,7 +331,7 @@ func (s *groupServer) KickGroupMember(ctx context.Context, req *pbGroup.KickGrou
 
 	groupOwnerUserID := ""
 	for _, v := range ownerList {
-		if v.RoleLevel == 1 {
+		if v.RoleLevel == constant.GroupOwner {
 			groupOwnerUserID = v.UserID
 		}
 	}
diff --git a/pkg/common/constant/constant.go b/pkg/common/constant/constant.go
index d8aa4a965..aa2f12c45 100644
--- a/pkg/common/constant/constant.go
+++ b/pkg/common/constant/constant.go
@@ -3,12 +3,12 @@ package constant
 const (
 
 	//group admin
-	OrdinaryMember = 0
-	GroupOwner     = 1
-	Administrator  = 2
+	//	OrdinaryMember = 0
+	//	GroupOwner     = 1
+	//	Administrator  = 2
 	//group application
-	Application      = 0
-	AgreeApplication = 1
+	//	Application      = 0
+	//	AgreeApplication = 1
 
 	//friend related
 	BlackListFlag         = 1
@@ -117,4 +117,16 @@ var ContentType2PushContent = map[int64]string{
 	Common:   "你收到一条新消息",
 }
 
+const (
+	AppOrdinaryUsers = 1
+	AppAdmin         = 2
+
+	GroupOrdinaryUsers = 1
+	GroupOwner         = 2
+	GroupAdmin         = 3
+
+	Male   = 1
+	Female = 2
+)
+
 const FriendAcceptTip = "You have successfully become friends, so start chatting"
diff --git a/pkg/common/db/mysql_model/im_mysql_model/group_member_model.go b/pkg/common/db/mysql_model/im_mysql_model/group_member_model.go
index 84175c0a1..bcc087fb0 100644
--- a/pkg/common/db/mysql_model/im_mysql_model/group_member_model.go
+++ b/pkg/common/db/mysql_model/im_mysql_model/group_member_model.go
@@ -1,6 +1,7 @@
 package im_mysql_model
 
 import (
+	"Open_IM/pkg/common/constant"
 	"Open_IM/pkg/common/db"
 	"time"
 )
@@ -23,6 +24,9 @@ func InsertIntoGroupMember(toInsertInfo GroupMember) error {
 		return err
 	}
 	toInsertInfo.JoinSource = time.Now()
+	if toInsertInfo.RoleLevel == 0 {
+		toInsertInfo.RoleLevel = constant.GroupOrdinaryUsers
+	}
 	err = dbConn.Table("group_member").Create(toInsertInfo).Error
 	if err != nil {
 		return err
@@ -138,7 +142,7 @@ func GetGroupOwnerInfoByGroupID(groupID string) (*GroupMember, error) {
 		return nil, err
 	}
 	for _, v := range omList {
-		if v.RoleLevel == 1 {
+		if v.RoleLevel == constant.GroupOwner {
 			return &v, nil
 		}
 	}
diff --git a/pkg/common/db/mysql_model/im_mysql_model/group_request_model.go b/pkg/common/db/mysql_model/im_mysql_model/group_request_model.go
index e8f64208b..cd6cf641f 100644
--- a/pkg/common/db/mysql_model/im_mysql_model/group_request_model.go
+++ b/pkg/common/db/mysql_model/im_mysql_model/group_request_model.go
@@ -1,6 +1,7 @@
 package im_mysql_model
 
 import (
+	"Open_IM/pkg/common/constant"
 	"Open_IM/pkg/common/db"
 	"time"
 )
@@ -88,7 +89,7 @@ func GetGroupApplicationList(userID string) ([]GroupRequest, error) {
 		return nil, err
 	}
 	for _, v := range memberList {
-		if v.RoleLevel > 0 {
+		if v.RoleLevel > constant.GroupOrdinaryUsers {
 			list, err := GetGroupRequestByGroupID(v.GroupID)
 			if err != nil {
 				continue
diff --git a/pkg/common/db/mysql_model/im_mysql_model/user_model.go b/pkg/common/db/mysql_model/im_mysql_model/user_model.go
index 5dd6fb53f..613698429 100644
--- a/pkg/common/db/mysql_model/im_mysql_model/user_model.go
+++ b/pkg/common/db/mysql_model/im_mysql_model/user_model.go
@@ -2,6 +2,7 @@ package im_mysql_model
 
 import (
 	"Open_IM/pkg/common/config"
+	"Open_IM/pkg/common/constant"
 	"Open_IM/pkg/common/db"
 	"Open_IM/pkg/utils"
 	"fmt"
@@ -15,13 +16,13 @@ func init() {
 		user, err := GetUserByUserID(v)
 		if err != nil {
 			fmt.Println("GetUserByUserID failed ", err.Error(), v, user)
-		}else{
+		} else {
 			continue
 		}
 		var appMgr User
 		appMgr.UserID = v
 		appMgr.Nickname = "AppManager" + utils.IntToString(k+1)
-		appMgr.AppMangerLevel = 2
+		appMgr.AppMangerLevel = constant.AppAdmin
 		err = UserRegister(appMgr)
 		if err != nil {
 			fmt.Println("AppManager insert error", err.Error())
@@ -36,7 +37,9 @@ func UserRegister(user User) error {
 		return err
 	}
 	user.CreateTime = time.Now()
-
+	if user.AppMangerLevel == 0 {
+		user.AppMangerLevel = constant.AppOrdinaryUsers
+	}
 	err = dbConn.Table("user").Create(&user).Error
 	if err != nil {
 		return err