充值bug

app/Services/WalletService.php

@@ -268,7 +268,7 @@ class WalletService extends BaseService
         self::getUserWallet($memberId);
         $info = self::findOne(['member_id' => $memberId]);
         
-        $address = $address ?? $info->address;
+        $address = $address ?: $info->address;
         $path = self::rechargeQrCodeExists($address);
         if (empty($path)) {
             $path = self::createRechargeQrCode($address);