diff --git a/internal/logic/app/group_app.go b/internal/logic/app/group_app.go
index f47aa8f..41f9fec 100644
--- a/internal/logic/app/group_app.go
+++ b/internal/logic/app/group_app.go
@@ -4,9 +4,11 @@ import (
 	"context"
 	"database/sql"
 	"errors"
+	"gim/internal/business/comm/utils"
 	"gim/internal/logic/domain/group/model"
 	"gim/internal/logic/domain/group/repo"
 	"gim/pkg/db"
+	"gim/pkg/grpclib"
 	"gim/pkg/pb"
 )
 
@@ -16,8 +18,12 @@ var GroupApp = new(groupApp)
 
 // CreateGroup 创建群组
 func (*groupApp) CreateGroup(ctx context.Context, userId int64, in *pb.CreateGroupReq) (int64, error) {
-	group := model.CreateGroup(userId, in)
-	err := repo.GroupRepo.Save(group)
+	masterId, err := grpclib.GetCtxMasterId(ctx)
+	if err != nil {
+		return 0, err
+	}
+	group := model.CreateGroup(userId, utils.StrToInt64(masterId), in)
+	err = repo.GroupRepo.Save(group)
 	if err != nil {
 		return 0, err
 	}
diff --git a/internal/logic/domain/group/model/group.go b/internal/logic/domain/group/model/group.go
index 4a7adeb..b0f8da3 100644
--- a/internal/logic/domain/group/model/group.go
+++ b/internal/logic/domain/group/model/group.go
@@ -31,6 +31,7 @@ type Group struct {
 	Introduction      string      // 群简介
 	UserNum           int32       // 群组人数
 	IsAllMemberBanned int32       // 是否全员禁言(1:是 2:否)
+	MasterId          int64       // 站长id
 	Extra             string      // 附加字段
 	CreateTime        time.Time   // 创建时间
 	UpdateTime        time.Time   // 更新时间
@@ -81,12 +82,13 @@ func (g *Group) ToProto() *pb.Group {
 	}
 }
 
-func CreateGroup(userId int64, in *pb.CreateGroupReq) *Group {
+func CreateGroup(userId, masterId int64, in *pb.CreateGroupReq) *Group {
 	now := time.Now()
 	group := &Group{
 		Name:         in.Name,
 		AvatarUrl:    in.AvatarUrl,
 		Introduction: in.Introduction,
+		MasterId:     masterId,
 		Extra:        in.Extra,
 		Members:      make([]GroupUser, 0, len(in.MemberIds)+1),
 		CreateTime:   now,