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app/Http/Controllers/admin/Withdraw.php

@@ -102,7 +102,7 @@ class Withdraw extends Controller
                 $item['service_charge'] = floatval($item['service_charge']);
                 $item['amount'] = floatval($item['amount']);
                 $item['to_account'] = floatval($item['to_account']);
-                $item['exchange_rate'] = $item['exchange_rate']==7.3?1:$item['exchange_rate'];
+                $item['exchange_rate'] = $item['exchange_rate'] == 0 ? 7.3 : $item['exchange_rate'];
                 $item['to_account_usdt'] = floatval(bcdiv($item['to_account'], $item['exchange_rate'], 4));
             }