diff --git a/app/Services/Device/CameraDeviceService.php b/app/Services/Device/CameraDeviceService.php
index f99b859..1d99bd3 100644
--- a/app/Services/Device/CameraDeviceService.php
+++ b/app/Services/Device/CameraDeviceService.php
@@ -2,6 +2,8 @@
 
 namespace App\Services\Device;
 
+use JetBrains\PhpStorm\ArrayShape;
+
 class CameraDeviceService extends BaseService
 {
 
@@ -108,7 +110,10 @@ class CameraDeviceService extends BaseService
     }
 
     // 抓拍车位车牌及现场图片
-    public function getTrafficMNPR($channels_id = 1)
+    #[ArrayShape([
+        'licensePlate' => "mixed|string",
+        'images_data'  => "mixed|string"
+    ])] public function getTrafficMNPR(int $channels_id = 1): array
     {
         $url = $this->getUrl($this->TRAFFIC_MNPR . $channels_id);
         $response = $this->getHttp($url);