From 70308b02b843f07aaf29e61d3dd96fef31e19d57 Mon Sep 17 00:00:00 2001
From: DaxPay Dev <dev@daxpay.com>
Date: Fri, 10 Jul 2026 10:50:58 +0800
Subject: [PATCH] =?UTF-8?q?refactor(douyin):=20=E7=9B=B4=E8=BF=9E=E5=95=86?=
 =?UTF-8?q?=E6=88=B7=E5=BA=94=E7=94=A8=E9=A6=96=E6=9D=A1=E6=9F=A5=E8=AF=A2?=
 =?UTF-8?q?=E6=94=B9=E7=94=A8=20BaseManager.firstOpt?=
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.last("limit 1").oneOpt() 手写死 SQL 片段且误用 oneOpt 语义,
改用项目约定的 firstOpt(方言无关分页取首条), 与 Wechat/Alipay 对仗实现一致
---
 .../dao/direct/DouyinDirectAppManager.java       | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/daxpay-channel/daxpay-channel-douyin/src/main/java/cn/daxpay/open/channel/douyin/dao/direct/DouyinDirectAppManager.java b/daxpay-channel/daxpay-channel-douyin/src/main/java/cn/daxpay/open/channel/douyin/dao/direct/DouyinDirectAppManager.java
index 378a351e7..1be2973e7 100644
--- a/daxpay-channel/daxpay-channel-douyin/src/main/java/cn/daxpay/open/channel/douyin/dao/direct/DouyinDirectAppManager.java
+++ b/daxpay-channel/daxpay-channel-douyin/src/main/java/cn/daxpay/open/channel/douyin/dao/direct/DouyinDirectAppManager.java
@@ -34,24 +34,20 @@ public class DouyinDirectAppManager extends BaseManager<DouyinDirectAppMapper, D
                 .exists();
     }
 
-    /// 根据通道商户号取首个应用(支付能力推导兜底)
+    /// 按通道商户号查询首个应用（能力解析兜底时使用）
     public Optional<DouyinDirectApp> findFirstByChannelMchNo(String channelMchNo) {
-        return lambdaQuery()
+        return firstOpt(q -> q
                 .eq(DouyinDirectApp::getChannelMchNo, channelMchNo)
                 .orderByAsc(DouyinDirectApp::getCreateTime)
-                .orderByAsc(DouyinDirectApp::getId)
-                .last("limit 1")
-                .oneOpt();
+                .orderByAsc(DouyinDirectApp::getId));
     }
 
-    /// 根据通道商户号与应用类型取首个应用(appType自动推导时调用)
+    /// 按通道商户号与应用类型查询首个应用（appType自动推导时使用）
     public Optional<DouyinDirectApp> findFirstByChannelMchNoAndAppType(String channelMchNo, String appType) {
-        return lambdaQuery()
+        return firstOpt(q -> q
                 .eq(DouyinDirectApp::getChannelMchNo, channelMchNo)
                 .eq(DouyinDirectApp::getAppType, appType)
                 .orderByAsc(DouyinDirectApp::getCreateTime)
-                .orderByAsc(DouyinDirectApp::getId)
-                .last("limit 1")
-                .oneOpt();
+                .orderByAsc(DouyinDirectApp::getId));
     }
 }