优化支付成功

app/Services/PayService.php

@@ -49,16 +49,20 @@ class PayService
         if ($payLog->payable instanceof Order) {
             $order = $payLog->payable;
 
+            if ($order->isPaid()) {
+                throw new BizException('订单已支付');
+            }
+
+            if ($order->isCompleted()) {
+                throw new BizException('订单已完成');
+            }
+
             // 支付方式
             $payWay = $payLog->pay_way;
             if ($payLog->isWxpay()) {
                 $payWay = Order::PAY_WAY_WXPAY;
             }
 
-            if (! $order->isPending()) {
-                throw new BizException('订单状态不是待支付');
-            }
-
             $order->update([
                 'pay_sn' => $payLog->pay_sn,
                 'pay_way' => $payWay,