diff --git a/internal/tools/msg.go b/internal/tools/msg.go
index f962c0a01..ef2175bf0 100644
--- a/internal/tools/msg.go
+++ b/internal/tools/msg.go
@@ -15,10 +15,13 @@ import (
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/unrelation"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mcontext"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mw"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/discoveryregistry/zookeeper"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/rpcclient"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/rpcclient/notification"
 	"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 )
 
 type MsgTool struct {
@@ -61,6 +64,7 @@ func InitMsgTool() (*MsgTool, error) {
 	if err != nil {
 		return nil, err
 	}
+	discov.AddOption(mw.GrpcClient(), grpc.WithTransportCredentials(insecure.NewCredentials()))
 	userDB := relation.NewUserGorm(db)
 	msgDatabase := controller.InitCommonMsgDatabase(rdb, mongo.GetDatabase())
 	userDatabase := controller.NewUserDatabase(userDB, cache.NewUserCacheRedis(rdb, relation.NewUserGorm(db), cache.GetDefaultOpt()), tx.NewGorm(db))