diff --git a/service/dbmService.go b/service/dbmService.go
index 3eb7f79..0b562e7 100644
--- a/service/dbmService.go
+++ b/service/dbmService.go
@@ -38,7 +38,7 @@ func RunSQL(req *proto.RunSQLRequest) (*proto.SQLResult, error) {
 }
 
 func GetGORMDBObject(dbmInfo *proto.DBManage) (db_ *gorm.DB, err error) {
-	dao.DBMMapRWMutex.RLock()
+	//dao.DBMMapRWMutex.RLock()
 	if dao.DBMMap != nil {
 		dbValue := dao.DBMMap[dbmInfo.ID]
 		if dbValue != nil {
@@ -46,7 +46,7 @@ func GetGORMDBObject(dbmInfo *proto.DBManage) (db_ *gorm.DB, err error) {
 			return dbValue.Value, nil
 		}
 	}
-	dao.DBMMapRWMutex.RUnlock()
+	//dao.DBMMapRWMutex.RUnlock()
 
 	switch dbmInfo.DB_Type {
 	case proto.DB_TYPE_MYSQL: // MySQL