fix bug

app-hd/controllers/MtController.php

@@ -53,12 +53,12 @@ class MtController extends PublicController
         foreach($items as $item){
             $appSpuCode = $item['app_spu_code'];
 
-            $params = ['app_poi_code' => $data['app_poi_code'], 'app_spu_code' => $appSpuCode];
+            $params = ['app_poi_code' => $data['appPoiCode'], 'app_spu_code' => $appSpuCode];
             $retailDetail = $app->retail->getDetail($params);
-            $pic[$appSpuCode] = $retailDetail['picture'];
+            $picArr[$appSpuCode] = $retailDetail['picture'];
         }
 
-        Yii::info('picture: ' . json_encode($pic));
+        Yii::info('picture: ' . json_encode($picArr));
 
         return Json::encode(['data' => 'ok']);
     }