diff --git a/app/Services/Dealer/OrderService.php b/app/Services/Dealer/OrderService.php
index 1daa9946..4ddbba4c 100644
--- a/app/Services/Dealer/OrderService.php
+++ b/app/Services/Dealer/OrderService.php
@@ -6,6 +6,7 @@ use App\Enums\DealerLvl;
 use App\Enums\DealerOrderStatus;
 use App\Enums\DealerWalletAction;
 use App\Enums\PayWay;
+use App\Enums\WxpayTradeType;
 use App\Exceptions\BizException;
 use App\Models\DealerOrder;
 use App\Models\DealerOrderAllocateLog;
@@ -346,13 +347,17 @@ class OrderService
                 break;
 
             case PayWay::WxpayH5:
+                if (is_null($tradeType = WxpayTradeType::tryFromPayWay($payLog->pay_way))) {
+                    throw new BizException('支付方式 非法');
+                }
+
                 $app = EasyWeChatFactory::payment(config('wechat.payment.yzk'));
 
                 $data = (new WeChatPayService($app))->pay([
                     'body' => app_settings('app.app_name').'-批零订单',
                     'out_trade_no' => $payLog->pay_sn,
                     'total_fee' => bcmul($order->total_amount, '100'),
-                    'trade_type' => WeChatPayService::$tradeTypes[$payLog->pay_way],
+                    'trade_type' => $tradeType->value,
                     'notify_url' => url(route('yzk_wxpay.paid_notify', [], false), [], true),
                 ]);
                 break;