add dbm new model and fixed json_data

dbm/set.go

@@ -14,7 +14,7 @@ func (d *DBMHandler) Set(req *json_dataModels.Request) {
 	defer d.RUnlock()
 
 	for _, set := range req.Set {
-		for _, dp := range d.DB.QueryDatapoints(1, set.Path) {
+		for _, dp := range d.DBM.QueryDatapoints(1, set.Uuid, set.Path) {
 			dp.UpdateValue(d.Conns, set.Value)
 		}
 	}