From ccf0af4ed21a7066ad169308a01a5a0ca1cb7f9e Mon Sep 17 00:00:00 2001
From: li <fengshao1227@gmail.com>
Date: Wed, 3 Jun 2026 19:12:26 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20AlinPay=E5=85=85=E5=80=BC=E4=B8=8A?=
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根因:AlinPay代收时从平台代付账户扣手续费(回调real_amount仍是充值全额),
但系统全额上分→客户余额>账户实收→提现必差手续费那块,账户越提越空。
改为按ALIN_VN配置collection_fee_rate(%)折算上分额:充100万→上分99万(1%费率),
上分/扣代理同步折算,使客户余额=账户实收,代付永远够。back_money仍记全额供审计。
---
 application/onlinechip/controller/traits/alinPay.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/application/onlinechip/controller/traits/alinPay.php b/application/onlinechip/controller/traits/alinPay.php
index 0c92fb3..b4404fa 100644
--- a/application/onlinechip/controller/traits/alinPay.php
+++ b/application/onlinechip/controller/traits/alinPay.php
@@ -232,6 +232,15 @@ trait alinPay
                 'agent'     => 1,
             ])->lock(true)->find();
 
+            // 代收手续费由客户承担：AlinPay 代收时从平台代付账户扣手续费(回调 real_amount 仍是充值全额)，
+            // 若全额上分会导致代付账户被持续掏空(充100万→账户净收99万→提现100万必差)。
+            // 故按 ALIN_VN 配置的 collection_fee_rate(百分比) 折算上分额，使"客户余额=账户实收"。
+            $alinCfg = json_decode(Db::name('pay_channel')->where('key', 'ALIN_VN')->value('value'), true);
+            $alinFeeRate = isset($alinCfg['collection_fee_rate']) ? floatval($alinCfg['collection_fee_rate']) : 0;
+            if ($alinFeeRate > 0) {
+                $order['money'] = round($order['money'] * (1 - $alinFeeRate / 100), 2);
+            }
+
             if (!$zdl || $zdl['money'] < $order['money']) {
                 Db::rollback();
                 addLogToFile('代收结算失败：代理余额不足 order=' . $orderNo, 'alin_callback_error', 'alin');