OrderPackageService 容错处理

app/Services/OrderPackageService.php

@@ -182,7 +182,7 @@ class OrderPackageService
         /** 承运商是京东时的定制操作 */
         if($order['id'] == $logistic['id'] && count($logistic_numbers) == 1){
             $logistic_numbers = [$orderHeader['soreference5']];
-            $sentAtMap[$orderHeader['soreference5']] = $orderHeader->actAllocationDetails->first();
+            $sentAtMap[$orderHeader['soreference5']] = $orderHeader->actAllocationDetails->first() ?? null;
         }
 
         foreach ($logistic_numbers as $logistic_number){