组合支付

app/admin/controller/order/WholeController.php

@@ -446,7 +446,7 @@ class WholeController extends Curd
         if (count($payDetails) > 1){
             $order->pay_category = 'CONSTITUTE';
         }
-        $payDetail = !empty($payDetails) ? $payDetails[0] : [];
+        $payDetail = !empty($payDetails) && count($payDetails) > 0 ? $payDetails[0] : [];
         if(!empty($payDetail) && !empty($payDetail->pay_extend_json)){
             $payExtendJson = json_decode($payDetail->pay_extend_json,true);
             $payDetail->cancel_times = $payExtendJson['cancel_times'] ?? '';