ok

app/Libs/Pay/Merchants/UnionPay.php

@@ -44,7 +44,7 @@ class UnionPay implements PayMerchantInterface
             'signType' => $this->signType,
             'requestTimestamp' => date('Y-m-d H:i:s'),
             'notifyUrl' => env('UNIONPAY_NOFITY_URL'),
-            'returnUrl' => urlencode($data['pay_wait_url']),
+            'returnUrl' => $data['pay_wait_url'],
             'totalAmount' => $data['price'],
             'merOrderId' => $data['trade_no'],
         ];