diff --git a/Base/Model.php b/Base/Model.php
index b0ed56e..3aba07d 100644
--- a/Base/Model.php
+++ b/Base/Model.php
@@ -108,28 +108,34 @@ abstract class Model extends Component implements ModelInterface, ArrayAccess, T
 	
 	
 	/**
-	 * @param $data
+	 * @param array $data
 	 * @return Model
 	 */
-	public function setWith($data): static
+	public function setWith(array $data): static
 	{
-		if (empty($data)) {
-			return $this;
-		}
 		$this->_with = $data;
 		return $this;
 	}
 	
 	
 	/**
-	 * @return array|null
+	 * @return array
 	 */
-	public function getWith(): array|null
+	public function getWith(): array
 	{
 		return $this->_with;
 	}
 	
 	
+	/**
+	 * @return bool
+	 */
+	public function hasWith(): bool
+	{
+		return count($this->_with) > 0;
+	}
+	
+	
 	/**
 	 * object init
 	 */
diff --git a/Model.php b/Model.php
index af0699f..25c7674 100644
--- a/Model.php
+++ b/Model.php
@@ -265,8 +265,8 @@ class Model extends Base\Model
 	public function toArray(): array
 	{
 		$data = $this->_attributes;
-		$keys = Kiri::getDi()->get(Getter::class);
-		foreach ($keys->getAll(static::class) as $key => $datum) {
+		$keys = Kiri::getDi()->get(Getter::class)->getAll(static::class);
+		foreach ($keys as $key => $datum) {
 			$data[$key] = $this->{$datum}($data[$key]);
 		}
 		return $this->withRelates($data);
@@ -279,10 +279,10 @@ class Model extends Base\Model
 	 */
 	private function withRelates($relates): array
 	{
-		if (empty($with = $this->getWith())) {
+		if (!$this->hasWith()) {
 			return $relates;
 		}
-		foreach ($with as $val) {
+		foreach ($this->getWith() as $val) {
 			$relates[$val] = $this->withRelate($val);
 		}
 		return $relates;