diff --git a/internal/rpc/msg/send_pull.go b/internal/rpc/msg/send_pull.go
index 09502d4f3..cba7e619c 100644
--- a/internal/rpc/msg/send_pull.go
+++ b/internal/rpc/msg/send_pull.go
@@ -67,7 +67,7 @@ func (m *msgServer) sendMsgSingleChat(ctx context.Context, req *msg.SendMsgReq)
 	if err != nil {
 		return nil, err
 	}
-	isSend, err := modifyMessageByUserMessageReceiveOpt(req.MsgData.RecvID, req.MsgData.SendID, constant.SingleChatType, req)
+	isSend, err := m.modifyMessageByUserMessageReceiveOpt(ctx, req.MsgData.RecvID, req.MsgData.SendID, constant.SingleChatType, req)
 	if err != nil {
 		return nil, err
 	}
diff --git a/internal/rpc/user/user.go b/internal/rpc/user/user.go
index 8e53276dd..d29dd01c8 100644
--- a/internal/rpc/user/user.go
+++ b/internal/rpc/user/user.go
@@ -4,6 +4,7 @@ import (
 	"Open_IM/internal/common/check"
 	"Open_IM/internal/common/convert"
 	"Open_IM/internal/common/notification"
+	"Open_IM/pkg/common/config"
 	"Open_IM/pkg/common/constant"
 	"Open_IM/pkg/common/db/controller"
 	"Open_IM/pkg/common/db/relation"
@@ -36,12 +37,21 @@ func Start(client *openKeeper.ZkClient, server *grpc.Server) error {
 	if err := gormDB.AutoMigrate(&tablerelation.UserModel{}); err != nil {
 		return err
 	}
-	pbuser.RegisterUserServer(server, &userServer{
+	u := &userServer{
 		UserInterface:  controller.NewUserController(controller.NewUserDatabase(relation.NewUserGorm(gormDB))),
 		notification:   notification.NewCheck(client),
 		userCheck:      check.NewUserCheck(client),
 		RegisterCenter: client,
-	})
+	}
+	pbuser.RegisterUserServer(server, u)
+	users := make([]*tablerelation.UserModel, 0)
+	if len(config.Config.Manager.AppManagerUid) != len(config.Config.Manager.Nickname) {
+		return constant.ErrConfig.Wrap("len(config.Config.Manager.AppManagerUid) != len(config.Config.Manager.Nickname)")
+	}
+	for k, v := range config.Config.Manager.AppManagerUid {
+		users = append(users, &tablerelation.UserModel{UserID: v, Nickname: config.Config.Manager.Nickname[k]})
+	}
+	u.UserInterface.InitOnce(context.Background(), users)
 	return nil
 }
 
diff --git a/pkg/common/config/config.go b/pkg/common/config/config.go
index ecf6b7774..b137e96ba 100644
--- a/pkg/common/config/config.go
+++ b/pkg/common/config/config.go
@@ -213,9 +213,9 @@ type config struct {
 		}
 	}
 	Manager struct {
-		AppManagerUid          []string `yaml:"appManagerUid"`
-		Secrets                []string `yaml:"secrets"`
-		AppSysNotificationName string   `yaml:"appSysNotificationName"`
+		AppManagerUid []string `yaml:"appManagerUid"`
+		//	AppSysNotificationName string   `yaml:"appSysNotificationName"`
+		Nickname []string `yaml:"nickname"`
 	}
 
 	Kafka struct {
diff --git a/pkg/common/constant/constant.go b/pkg/common/constant/constant.go
index 521fbd09e..ced99672a 100644
--- a/pkg/common/constant/constant.go
+++ b/pkg/common/constant/constant.go
@@ -319,8 +319,4 @@ const BigVersion = "v2"
 
 const LogFileName = "OpenIM.log"
 
-const StatisticsTimeInterval = 60
-
-const MaxNotificationNum = 500
-
 const CurrentVersion = "v2.3.4-rc0"
diff --git a/pkg/common/constant/errors.go b/pkg/common/constant/errors.go
index 6bf324906..03b45fa2f 100644
--- a/pkg/common/constant/errors.go
+++ b/pkg/common/constant/errors.go
@@ -58,6 +58,8 @@ var (
 
 	ErrConnArgsErr   = &ErrInfo{ConnArgsErr, "args err, need token, sendID, platformID", ""}
 	ErrConnUpdateErr = &ErrInfo{ConnArgsErr, "upgrade http conn err", ""}
+
+	ErrConfig = &ErrInfo{ConfigError, "ConfigError", ""}
 )
 
 const (
@@ -91,6 +93,8 @@ const (
 	DataError         = 90007 //数据错误
 
 	IdentityError = 90008 // 身份错误 非管理员token，且token中userID与请求userID不一致
+
+	ConfigError = 90009
 )
 
 // 账号错误码
diff --git a/pkg/common/constant/limit.go b/pkg/common/constant/limit.go
index cdd19e240..57e764eef 100644
--- a/pkg/common/constant/limit.go
+++ b/pkg/common/constant/limit.go
@@ -1,5 +1,7 @@
 package constant
 
 const (
-	ShowNumber = 1000
+	ShowNumber             = 1000
+	StatisticsTimeInterval = 60
+	MaxNotificationNum     = 500
 )
diff --git a/pkg/common/db/controller/msg.go b/pkg/common/db/controller/msg.go
index 90e6d897c..e1c45dbfb 100644
--- a/pkg/common/db/controller/msg.go
+++ b/pkg/common/db/controller/msg.go
@@ -49,6 +49,8 @@ type MsgInterface interface {
 	SetGroupUserMinSeq(ctx context.Context, groupID, userID string, minSeq int64) (err error)
 	// 设置用户最小seq 直接调用cache
 	SetUserMinSeq(ctx context.Context, userID string, minSeq int64) (err error)
+
+	MsgToMQ(ctx context.Context, key string, data *pbMsg.MsgDataToMQ) (err error)
 }
 
 func NewMsgController(mgo *mongo.Client, rdb redis.UniversalClient) MsgInterface {
diff --git a/pkg/common/db/controller/user.go b/pkg/common/db/controller/user.go
index e0509709b..d36100898 100644
--- a/pkg/common/db/controller/user.go
+++ b/pkg/common/db/controller/user.go
@@ -3,6 +3,7 @@ package controller
 import (
 	"Open_IM/pkg/common/constant"
 	"Open_IM/pkg/common/db/table/relation"
+	"Open_IM/pkg/utils"
 	"context"
 )
 
@@ -23,6 +24,8 @@ type UserInterface interface {
 	IsExist(ctx context.Context, userIDs []string) (exist bool, err error)
 	//获取所有用户ID
 	GetAllUserID(ctx context.Context) ([]string, error)
+	//函数内部先查询db中是否存在，存在则什么都不做；不存在则插入
+	InitOnce(ctx context.Context, users []*relation.UserModel) (err error)
 }
 
 type UserController struct {
@@ -60,6 +63,10 @@ func (u *UserController) GetAllUserID(ctx context.Context) ([]string, error) {
 	return u.database.GetAllUserID(ctx)
 }
 
+func (u *UserController) InitOnce(ctx context.Context, users []*relation.UserModel) (err error) {
+	return u.database.InitOnce(ctx, users)
+}
+
 func NewUserController(database UserDatabaseInterface) UserInterface {
 	return &UserController{database}
 }
@@ -81,6 +88,8 @@ type UserDatabaseInterface interface {
 	IsExist(ctx context.Context, userIDs []string) (exist bool, err error)
 	//获取所有用户ID
 	GetAllUserID(ctx context.Context) ([]string, error)
+	//函数内部先查询db中是否存在，存在则什么都不做；不存在则插入
+	InitOnce(ctx context.Context, users []*relation.UserModel) (err error)
 }
 
 type UserDatabase struct {
@@ -91,6 +100,17 @@ func NewUserDatabase(userDB relation.UserModelInterface) *UserDatabase {
 	return &UserDatabase{userDB: userDB}
 }
 
+func (u *UserDatabase) InitOnce(ctx context.Context, users []*relation.UserModel) (err error) {
+	userIDs := utils.Slice(users, func(e *relation.UserModel) string {
+		return e.UserID
+	})
+	result, err := u.userDB.Find(ctx, userIDs)
+	if err != nil {
+		return err
+	}
+
+}
+
 // 获取指定用户的信息 如有userID未找到 也返回错误
 func (u *UserDatabase) FindWithError(ctx context.Context, userIDs []string) (users []*relation.UserModel, err error) {
 
diff --git a/pkg/common/db/relation/mysql_init.go b/pkg/common/db/relation/mysql_init.go
index d3b72bce7..1047f51cc 100644
--- a/pkg/common/db/relation/mysql_init.go
+++ b/pkg/common/db/relation/mysql_init.go
@@ -68,12 +68,3 @@ type Writer struct{}
 func (w Writer) Printf(format string, args ...interface{}) {
 	fmt.Printf(format, args...)
 }
-
-//func getDBConn(db *gorm.DB, tx []any) *gorm.DB {
-//	if len(tx) > 0 {
-//		if txDB, ok := tx[0].(*gorm.DB); ok {
-//			return txDB
-//		}
-//	}
-//	return db
-//}
diff --git a/pkg/common/db/table/relation/user.go b/pkg/common/db/table/relation/user.go
index b0b3ce6f8..2b0d2d441 100644
--- a/pkg/common/db/table/relation/user.go
+++ b/pkg/common/db/table/relation/user.go
@@ -20,7 +20,7 @@ type UserModel struct {
 	Email            string    `gorm:"column:email;size:64"`
 	Ex               string    `gorm:"column:ex;size:1024"`
 	CreateTime       time.Time `gorm:"column:create_time;index:create_time; autoCreateTime"`
-	AppMangerLevel   int32     `gorm:"column:app_manger_level"`
+	AppMangerLevel   int32     `gorm:"column:app_manger_level;default:18"`
 	GlobalRecvMsgOpt int32     `gorm:"column:global_recv_msg_opt"`
 }
 
diff --git a/pkg/utils/utils_v2.go b/pkg/utils/utils_v2.go
index f32a7b73a..ed5f3df53 100644
--- a/pkg/utils/utils_v2.go
+++ b/pkg/utils/utils_v2.go
@@ -5,6 +5,28 @@ import (
 	"sort"
 )
 
+// SliceSub a中存在,b中不存在 (a-b)
+func SliceSub[E comparable](a, b []E) []E {
+	k := make(map[E]struct{})
+	for i := 0; i < len(b); i++ {
+		k[b[i]] = struct{}{}
+	}
+	t := make(map[E]struct{})
+	rs := make([]E, 0, len(a))
+	for i := 0; i < len(a); i++ {
+		e := a[i]
+		if _, ok := t[e]; ok {
+			continue
+		}
+		if _, ok := k[e]; ok {
+			continue
+		}
+		rs = append(rs, e)
+		t[e] = struct{}{}
+	}
+	return rs
+}
+
 // DistinctAny 去重
 func DistinctAny[E any, K comparable](es []E, fn func(e E) K) []E {
 	v := make([]E, 0, len(es))