diff --git a/internal/rpc/group/group.go b/internal/rpc/group/group.go
index 369979cc3..c4a06b9b4 100644
--- a/internal/rpc/group/group.go
+++ b/internal/rpc/group/group.go
@@ -5,6 +5,7 @@ import (
 	chat "Open_IM/internal/rpc/msg"
 	"Open_IM/pkg/common/config"
 	"Open_IM/pkg/common/constant"
+	"Open_IM/pkg/common/db/controller"
 	"Open_IM/pkg/common/db/model"
 	imdb "Open_IM/pkg/common/db/mysql"
 	"Open_IM/pkg/common/log"
@@ -41,17 +42,34 @@ type groupServer struct {
 	rpcRegisterName string
 	etcdSchema      string
 	etcdAddr        []string
-	imdb.GroupInterface
+	controller.GroupInterface
 }
 
 func NewGroupServer(port int) *groupServer {
 	log.NewPrivateLog(constant.LogFileName)
-	return &groupServer{
+	g := groupServer{
 		rpcPort:         port,
 		rpcRegisterName: config.Config.RpcRegisterName.OpenImGroupName,
 		etcdSchema:      config.Config.Etcd.EtcdSchema,
 		etcdAddr:        config.Config.Etcd.EtcdAddr,
 	}
+	//mysql init
+	var mysql imdb.Mysql
+	var groupModel imdb.Group
+	err := mysql.InitConn().AutoMigrateModel(&groupModel)
+	if err != nil {
+		panic("db init err:" + err.Error())
+	}
+	if mysql.GormConn() != nil {
+		groupModel.DB = mysql.GormConn()
+	} else {
+		panic("db init err:" + "conn is nil")
+	}
+	//redis
+	//mongo
+	g.group = model.NewGroupController(groupModel)
+
+	return &g
 }
 
 func (s *groupServer) Run() {
@@ -69,6 +87,7 @@ func (s *groupServer) Run() {
 		panic("listening err:" + err.Error() + s.rpcRegisterName)
 	}
 	log.NewInfo("", "listen network success, ", address, listener)
+
 	defer listener.Close()
 	//grpc server
 	recvSize := 1024 * 1024 * constant.GroupRPCRecvSize
diff --git a/pkg/common/db/relation/init_mysql.go b/pkg/common/db/relation/init_mysql.go
index 14713d2d6..d6b11ae28 100644
--- a/pkg/common/db/relation/init_mysql.go
+++ b/pkg/common/db/relation/init_mysql.go
@@ -10,7 +10,18 @@ import (
 	"gorm.io/gorm/logger"
 )
 
-func ConnectToDB() *gorm.DB {
+type Mysql struct {
+	gormConn *gorm.DB
+}
+
+func (m *Mysql) GormConn() *gorm.DB {
+	return m.gormConn
+}
+
+func (m *Mysql) SetGormConn(gormConn *gorm.DB) {
+	m.gormConn = gormConn
+}
+func (m *Mysql) InitConn() *Mysql {
 	dsn := fmt.Sprintf("%s:%s@tcp(%s)/%s?charset=utf8mb4&parseTime=true&loc=Local",
 		config.Config.Mysql.DBUserName, config.Config.Mysql.DBPassword, config.Config.Mysql.DBAddress[0], "mysql")
 	var db *gorm.DB
@@ -51,18 +62,22 @@ func ConnectToDB() *gorm.DB {
 	sqlDB.SetConnMaxLifetime(time.Second * time.Duration(config.Config.Mysql.DBMaxLifeTime))
 	sqlDB.SetMaxOpenConns(config.Config.Mysql.DBMaxOpenConns)
 	sqlDB.SetMaxIdleConns(config.Config.Mysql.DBMaxIdleConns)
-	return db
+	m.SetGormConn(db)
+	return m
 }
 
 //models := []interface{}{&Friend{}, &FriendRequest{}, &Group{}, &GroupMember{}, &GroupRequest{},
 //	&User{}, &Black{}, &ChatLog{}, &Conversation{}, &AppVersion{}}
 
-func initModel(db *gorm.DB, model interface{}) *gorm.DB {
-	db.AutoMigrate(model)
-	db.Set("gorm:table_options", "CHARSET=utf8")
-	db.Set("gorm:table_options", "collation=utf8_unicode_ci")
-	_ = db.Migrator().CreateTable(model)
-	return db.Model(model)
+func (m *Mysql) AutoMigrateModel(model interface{}) error {
+	err := m.gormConn.AutoMigrate(model)
+	if err != nil {
+		return err
+	}
+	m.gormConn.Set("gorm:table_options", "CHARSET=utf8")
+	m.gormConn.Set("gorm:table_options", "collation=utf8_unicode_ci")
+	_ = m.gormConn.Migrator().CreateTable(model)
+	return nil
 }
 
 type Writer struct{}