prepare("INSERT INTO transactions (account_id, transaction_type, currency, pay_method, amount, tx_hash, status) VALUES (?, 'deposit', 'USDT', ?, ?, ?, 'pending')"); $stmt->execute([$account['id'], $method, $amount, $tx_hash]); $success = '充值申请已提交,请等待系统确认'; } } include 'header.php'; ?>