diff --git a/common/Factory/Model.php b/common/Factory/Model.php
index a68554c..8dcded8 100644
--- a/common/Factory/Model.php
+++ b/common/Factory/Model.php
@@ -22,6 +22,9 @@ class Model {
     }
     return $this;
   }
+  public function create(string $model_class, array $data = null): Model {
+    return BaseModel::factory($model_class)->create($data);
+  }
   protected $class;
   public function find(string $model_class): Model {
     if (!class_exists($model_class)) {
@@ -329,8 +332,8 @@ class Model {
     return $orm->offset($this->offset);
   }
 
-  public function one(): ModelInterface {
-    $result = $this->build()->findOne();
+  public function one($id = null): ModelInterface {
+    $result = $this->build()->findOne($id);
     $result->setFactory($this);
     return $result;
   }