diff --git a/apps/daxpay-admin/src/api/payment/develop/developGateway.api.ts b/apps/daxpay-admin/src/api/payment/develop/developGateway.api.ts
index e5ac391b1..3b3ed6b3f 100644
--- a/apps/daxpay-admin/src/api/payment/develop/developGateway.api.ts
+++ b/apps/daxpay-admin/src/api/payment/develop/developGateway.api.ts
@@ -60,6 +60,8 @@ export interface GatewayPrePayParam {
   expiredTime?: string;
   /** 门店号 */
   storeNo?: string;
+  /** 请求ID(商户生成, 审计索引, 必填) */
+  reqId?: string;
   /** 随机串 */
   nonceStr?: string;
   /** 请求时间(北京时间 yyyy-MM-dd HH:mm:ss) */
diff --git a/apps/daxpay-admin/src/api/payment/develop/developTrade.api.ts b/apps/daxpay-admin/src/api/payment/develop/developTrade.api.ts
index af29272a8..15a2570c4 100644
--- a/apps/daxpay-admin/src/api/payment/develop/developTrade.api.ts
+++ b/apps/daxpay-admin/src/api/payment/develop/developTrade.api.ts
@@ -86,6 +86,8 @@ export interface PayParam {
   expiredTime?: string;
   /** 客户端 IP(可选, 未传时由 unipay 从 HTTP 请求提取) */
   clientIp?: string;
+  /** 请求ID(商户生成, 审计索引, 必填) */
+  reqId?: string;
   /** 随机串 */
   nonceStr?: string;
   /** 请求时间(北京时间 yyyy-MM-dd HH:mm:ss) */
diff --git a/apps/daxpay-admin/src/api/payment/unipay/unipay-request.ts b/apps/daxpay-admin/src/api/payment/unipay/unipay-request.ts
index 8005ce389..dc9a5bf7a 100644
--- a/apps/daxpay-admin/src/api/payment/unipay/unipay-request.ts
+++ b/apps/daxpay-admin/src/api/payment/unipay/unipay-request.ts
@@ -21,6 +21,8 @@ export interface DaxResult<T = unknown> {
   data?: T;
   sign?: string;
   resTime?: string;
+  /** 请求ID(回显) */
+  reqId?: string;
   traceId?: string;
 }
 
diff --git a/apps/daxpay-admin/src/api/payment/unipay/unipay-trade.api.ts b/apps/daxpay-admin/src/api/payment/unipay/unipay-trade.api.ts
index f008cb2ce..30292ab26 100644
--- a/apps/daxpay-admin/src/api/payment/unipay/unipay-trade.api.ts
+++ b/apps/daxpay-admin/src/api/payment/unipay/unipay-trade.api.ts
@@ -16,7 +16,7 @@ import { unipayPost } from './unipay-request';
  * 统一支付下单
  *
  * POST /unipay/pay
- * 请求体须含完整商户签名字段(reqTime/nonceStr/sign 等)
+ * 请求体须含完整商户签名字段(reqId/reqTime/nonceStr/sign 等)
  */
 export function uniPay(data: PayParam): Promise<DaxResult<PayResult>> {
   return unipayPost<PayResult>('/unipay/pay', data);
@@ -26,7 +26,7 @@ export function uniPay(data: PayParam): Promise<DaxResult<PayResult>> {
  * 网关预下单
  *
  * POST /unipay/gateway/pre-pay
- * 请求体须含完整商户签名字段(reqTime/nonceStr/sign 等)
+ * 请求体须含完整商户签名字段(reqId/reqTime/nonceStr/sign 等)
  */
 export function uniGatewayPrePay(data: GatewayPrePayParam): Promise<DaxResult<GatewayPrePayResult>> {
   return unipayPost<GatewayPrePayResult>('/unipay/gateway/pre-pay', data);
diff --git a/apps/daxpay-admin/src/api/system/log/unipay-api-log.api.ts b/apps/daxpay-admin/src/api/system/log/unipay-api-log.api.ts
new file mode 100644
index 000000000..e1c6c7033
--- /dev/null
+++ b/apps/daxpay-admin/src/api/system/log/unipay-api-log.api.ts
@@ -0,0 +1,65 @@
+import type { BaseEntity, PageResult, Result } from '#/types/web';
+
+import { defHttp } from '#/api/request';
+
+/**
+ * 支付接口日志 API
+ */
+export const UnipayApiLogApi = {
+  /**
+   * 分页查询支付接口日志
+   */
+  page(params: any): Promise<Result<PageResult<UnipayApiLog>>> {
+    return defHttp.get({ url: '/log/unipay/page', params });
+  },
+  /**
+   * 获取支付接口日志详情
+   */
+  findById(id: string): Promise<Result<UnipayApiLog>> {
+    return defHttp.get({ url: '/log/unipay/get', params: { id } });
+  },
+  /**
+   * 清除指定天数之前的支付接口日志
+   */
+  deleteByDay(deleteDay: number): Promise<Result<void>> {
+    return defHttp.post({ url: '/log/unipay/delete-by-day', params: { deleteDay } });
+  },
+};
+
+/**
+ * 支付接口日志
+ */
+export interface UnipayApiLog extends BaseEntity {
+  /** 商户号 */
+  mchNo?: string;
+  /** 请求ID */
+  reqId?: string;
+  /** 接口路径 */
+  apiPath?: string;
+  /** 接口标题 */
+  apiTitle?: string;
+  /** HTTP 方法 */
+  requestMethod?: string;
+  /** 商户声明客户端 IP */
+  clientIp?: string;
+  /** 真实接入 IP */
+  requestIp?: string;
+  /** 接入 IP 归属地 */
+  requestLocation?: string;
+  /** 是否成功 */
+  success?: boolean;
+  /** 业务错误码 */
+  errorCode?: number;
+  /** 错误信息 */
+  errorMsg?: string;
+  /** 耗时毫秒 */
+  durationMs?: number;
+  /** 链路追踪 ID */
+  traceId?: string;
+  /** 请求参数 */
+  reqParam?: string;
+  /** 响应体 */
+  resBody?: string;
+  /** 操作时间 */
+  operateTime?: string;
+}
diff --git a/apps/daxpay-admin/src/constants/perm-codes.ts b/apps/daxpay-admin/src/constants/perm-codes.ts
index 1da428008..f7f4e388c 100644
--- a/apps/daxpay-admin/src/constants/perm-codes.ts
+++ b/apps/daxpay-admin/src/constants/perm-codes.ts
@@ -220,6 +220,10 @@ export const PermCodes = {
         VIEW: 'system:log:operate:view',
         MANAGE: 'system:log:operate:manage',
       },
+      Unipay: {
+        VIEW: 'system:log:unipay:view',
+        MANAGE: 'system:log:unipay:manage',
+      },
     },
     Notify: {
       VIEW: 'system:notify:notice:view',
diff --git a/apps/daxpay-admin/src/locales/langs/en-US/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/en-US/system/log/unipay-api-log.json
new file mode 100644
index 000000000..2c4fbc863
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/en-US/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "Merchant No.",
+  "reqId": "Request ID",
+  "apiPath": "API Path",
+  "apiTitle": "API Name",
+  "requestMethod": "HTTP Method",
+  "clientIp": "Client IP (declared)",
+  "requestIp": "Request IP",
+  "requestLocation": "Location",
+  "status": "Status",
+  "errorCode": "Error Code",
+  "errorMsg": "Error Message",
+  "durationMs": "Duration (ms)",
+  "traceId": "Trace ID",
+  "reqParam": "Request Body",
+  "resBody": "Response Body",
+  "operateTime": "Time",
+  "inputMchNo": "Enter merchant no.",
+  "inputReqId": "Enter request ID",
+  "inputApiPath": "Enter API path",
+  "inputTraceId": "Enter trace ID",
+  "detailTitle": "Payment API Log Detail",
+  "selectCleanDay": "Clear logs older than",
+  "cleanWarning": "Warning",
+  "cleanConfirm": "Clear payment API logs older than the selected days? This cannot be undone.",
+  "cleanSuccess": "Logs cleared successfully"
+}
diff --git a/apps/daxpay-admin/src/locales/langs/id-ID/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/id-ID/system/log/unipay-api-log.json
new file mode 100644
index 000000000..a9efb5d74
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/id-ID/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "Merchant No.",
+  "reqId": "Request ID",
+  "apiPath": "API Path",
+  "apiTitle": "API Name",
+  "requestMethod": "HTTP Method",
+  "clientIp": "Client IP (declared)",
+  "requestIp": "Request IP",
+  "requestLocation": "Location",
+  "status": "Status",
+  "errorCode": "Error Code",
+  "errorMsg": "Error Message",
+  "durationMs": "Duration (ms)",
+  "traceId": "Trace ID",
+  "reqParam": "Request Body",
+  "resBody": "Response Body",
+  "operateTime": "Time",
+  "inputMchNo": "Enter merchant no.",
+  "inputReqId": "Masukkan request ID",
+  "inputApiPath": "Enter API path",
+  "inputTraceId": "Enter trace ID",
+  "detailTitle": "Payment API Log Detail",
+  "selectCleanDay": "Clear logs older than",
+  "cleanWarning": "Warning",
+  "cleanConfirm": "Clear payment API logs older than the selected days? This cannot be undone.",
+  "cleanSuccess": "Logs cleared successfully"
+}
diff --git a/apps/daxpay-admin/src/locales/langs/ja-JP/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/ja-JP/system/log/unipay-api-log.json
new file mode 100644
index 000000000..935a837a9
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/ja-JP/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "加盟店番号",
+  "reqId": "リクエストID",
+  "apiPath": "APIパス",
+  "apiTitle": "API名",
+  "requestMethod": "HTTPメソッド",
+  "clientIp": "申告クライアントIP",
+  "requestIp": "接続IP",
+  "requestLocation": "接続地域",
+  "status": "状態",
+  "errorCode": "エラーコード",
+  "errorMsg": "エラーメッセージ",
+  "durationMs": "所要時間(ms)",
+  "traceId": "トレースID",
+  "reqParam": "リクエスト",
+  "resBody": "レスポンス",
+  "operateTime": "呼び出し時刻",
+  "inputMchNo": "加盟店番号を入力",
+  "inputReqId": "リクエストIDを入力",
+  "inputApiPath": "APIパスを入力",
+  "inputTraceId": "トレースIDを入力",
+  "detailTitle": "決済APIログ詳細",
+  "selectCleanDay": "削除する期間",
+  "cleanWarning": "警告",
+  "cleanConfirm": "指定日数より前の決済APIログを削除します。元に戻せません。",
+  "cleanSuccess": "ログを削除しました"
+}
diff --git a/apps/daxpay-admin/src/locales/langs/ko-KR/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/ko-KR/system/log/unipay-api-log.json
new file mode 100644
index 000000000..fef1a367a
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/ko-KR/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "가맹점 번호",
+  "reqId": "요청 ID",
+  "apiPath": "API 경로",
+  "apiTitle": "API 이름",
+  "requestMethod": "요청 방식",
+  "clientIp": "가맹점 선언 IP",
+  "requestIp": "접속 IP",
+  "requestLocation": "접속 지역",
+  "status": "호출 상태",
+  "errorCode": "오류 코드",
+  "errorMsg": "오류 메시지",
+  "durationMs": "소요 시간(ms)",
+  "traceId": "추적 ID",
+  "reqParam": "요청 파라미터",
+  "resBody": "응답 본문",
+  "operateTime": "호출 시간",
+  "inputMchNo": "가맹점 번호 입력",
+  "inputReqId": "요청 ID 입력",
+  "inputApiPath": "API 경로 입력",
+  "inputTraceId": "추적 ID 입력",
+  "detailTitle": "결제 API 로그 상세",
+  "selectCleanDay": "삭제 기간 선택",
+  "cleanWarning": "경고",
+  "cleanConfirm": "지정 일수 이전의 결제 API 로그를 삭제합니다. 되돌릴 수 없습니다.",
+  "cleanSuccess": "로그 삭제 완료"
+}
diff --git a/apps/daxpay-admin/src/locales/langs/ms-MY/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/ms-MY/system/log/unipay-api-log.json
new file mode 100644
index 000000000..a9efb5d74
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/ms-MY/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "Merchant No.",
+  "reqId": "Request ID",
+  "apiPath": "API Path",
+  "apiTitle": "API Name",
+  "requestMethod": "HTTP Method",
+  "clientIp": "Client IP (declared)",
+  "requestIp": "Request IP",
+  "requestLocation": "Location",
+  "status": "Status",
+  "errorCode": "Error Code",
+  "errorMsg": "Error Message",
+  "durationMs": "Duration (ms)",
+  "traceId": "Trace ID",
+  "reqParam": "Request Body",
+  "resBody": "Response Body",
+  "operateTime": "Time",
+  "inputMchNo": "Enter merchant no.",
+  "inputReqId": "Masukkan request ID",
+  "inputApiPath": "Enter API path",
+  "inputTraceId": "Enter trace ID",
+  "detailTitle": "Payment API Log Detail",
+  "selectCleanDay": "Clear logs older than",
+  "cleanWarning": "Warning",
+  "cleanConfirm": "Clear payment API logs older than the selected days? This cannot be undone.",
+  "cleanSuccess": "Logs cleared successfully"
+}
diff --git a/apps/daxpay-admin/src/locales/langs/th-TH/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/th-TH/system/log/unipay-api-log.json
new file mode 100644
index 000000000..c7120f4fc
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/th-TH/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "Merchant No.",
+  "reqId": "Request ID",
+  "apiPath": "API Path",
+  "apiTitle": "API Name",
+  "requestMethod": "HTTP Method",
+  "clientIp": "Client IP (declared)",
+  "requestIp": "Request IP",
+  "requestLocation": "Location",
+  "status": "Status",
+  "errorCode": "Error Code",
+  "errorMsg": "Error Message",
+  "durationMs": "Duration (ms)",
+  "traceId": "Trace ID",
+  "reqParam": "Request Body",
+  "resBody": "Response Body",
+  "operateTime": "Time",
+  "inputMchNo": "Enter merchant no.",
+  "inputReqId": "กรอก Request ID",
+  "inputApiPath": "Enter API path",
+  "inputTraceId": "Enter trace ID",
+  "detailTitle": "Payment API Log Detail",
+  "selectCleanDay": "Clear logs older than",
+  "cleanWarning": "Warning",
+  "cleanConfirm": "Clear payment API logs older than the selected days? This cannot be undone.",
+  "cleanSuccess": "Logs cleared successfully"
+}
diff --git a/apps/daxpay-admin/src/locales/langs/vi-VN/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/vi-VN/system/log/unipay-api-log.json
new file mode 100644
index 000000000..61b4f357a
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/vi-VN/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "Mã thương nhân",
+  "reqId": "Request ID",
+  "apiPath": "Đường dẫn API",
+  "apiTitle": "Tên API",
+  "requestMethod": "HTTP Method",
+  "clientIp": "Client IP (declared)",
+  "requestIp": "Request IP",
+  "requestLocation": "Location",
+  "status": "Trạng thái",
+  "errorCode": "Error Code",
+  "errorMsg": "Error Message",
+  "durationMs": "Duration (ms)",
+  "traceId": "Trace ID",
+  "reqParam": "Request Body",
+  "resBody": "Response Body",
+  "operateTime": "Time",
+  "inputMchNo": "Enter merchant no.",
+  "inputReqId": "Nhập request ID",
+  "inputApiPath": "Enter API path",
+  "inputTraceId": "Enter trace ID",
+  "detailTitle": "Chi tiết nhật ký API thanh toán",
+  "selectCleanDay": "Clear logs older than",
+  "cleanWarning": "Warning",
+  "cleanConfirm": "Clear payment API logs older than the selected days? This cannot be undone.",
+  "cleanSuccess": "Logs cleared successfully"
+}
diff --git a/apps/daxpay-admin/src/locales/langs/zh-CN/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/zh-CN/system/log/unipay-api-log.json
new file mode 100644
index 000000000..425dddb78
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/zh-CN/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "商户号",
+  "reqId": "请求ID",
+  "apiPath": "接口路径",
+  "apiTitle": "接口名称",
+  "requestMethod": "请求方式",
+  "clientIp": "商户声明IP",
+  "requestIp": "接入IP",
+  "requestLocation": "接入地点",
+  "status": "调用状态",
+  "errorCode": "错误码",
+  "errorMsg": "错误提示",
+  "durationMs": "耗时(ms)",
+  "traceId": "追踪ID",
+  "reqParam": "请求参数",
+  "resBody": "响应内容",
+  "operateTime": "调用时间",
+  "inputMchNo": "请输入商户号",
+  "inputReqId": "请输入请求ID",
+  "inputApiPath": "请输入接口路径",
+  "inputTraceId": "请输入追踪ID",
+  "detailTitle": "支付接口日志详情",
+  "selectCleanDay": "清除多久前的日志",
+  "cleanWarning": "警告",
+  "cleanConfirm": "是否清除指定日期前的支付接口日志，该操作不可撤回",
+  "cleanSuccess": "清理日志成功"
+}
diff --git a/apps/daxpay-admin/src/locales/langs/zh-HK/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/zh-HK/system/log/unipay-api-log.json
new file mode 100644
index 000000000..14f33c975
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/zh-HK/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "商户号",
+  "reqId": "請求ID",
+  "apiPath": "接口路径",
+  "apiTitle": "接口名称",
+  "requestMethod": "请求方式",
+  "clientIp": "商户声明IP",
+  "requestIp": "接入IP",
+  "requestLocation": "接入地点",
+  "status": "调用状态",
+  "errorCode": "错误码",
+  "errorMsg": "错误提示",
+  "durationMs": "耗时(ms)",
+  "traceId": "追踪ID",
+  "reqParam": "请求参数",
+  "resBody": "响应内容",
+  "operateTime": "调用时间",
+  "inputMchNo": "请输入商户号",
+  "inputReqId": "請輸入請求ID",
+  "inputApiPath": "请输入接口路径",
+  "inputTraceId": "请输入追踪ID",
+  "detailTitle": "支付接口日志详情",
+  "selectCleanDay": "清除多久前的日志",
+  "cleanWarning": "警告",
+  "cleanConfirm": "是否清除指定日期前的支付接口日志，该操作不可撤回",
+  "cleanSuccess": "清理日志成功"
+}
diff --git a/apps/daxpay-admin/src/locales/langs/zh-TW/system/log/unipay-api-log.json b/apps/daxpay-admin/src/locales/langs/zh-TW/system/log/unipay-api-log.json
new file mode 100644
index 000000000..142f99a20
--- /dev/null
+++ b/apps/daxpay-admin/src/locales/langs/zh-TW/system/log/unipay-api-log.json
@@ -0,0 +1,27 @@
+{
+  "mchNo": "商戶號",
+  "reqId": "請求ID",
+  "apiPath": "介面路徑",
+  "apiTitle": "介面名稱",
+  "requestMethod": "請求方式",
+  "clientIp": "商戶聲明IP",
+  "requestIp": "接入IP",
+  "requestLocation": "接入地點",
+  "status": "呼叫狀態",
+  "errorCode": "錯誤碼",
+  "errorMsg": "錯誤提示",
+  "durationMs": "耗時(ms)",
+  "traceId": "追蹤ID",
+  "reqParam": "請求參數",
+  "resBody": "回應內容",
+  "operateTime": "呼叫時間",
+  "inputMchNo": "請輸入商戶號",
+  "inputReqId": "請輸入請求ID",
+  "inputApiPath": "請輸入介面路徑",
+  "inputTraceId": "請輸入追蹤ID",
+  "detailTitle": "支付介面日誌詳情",
+  "selectCleanDay": "清除多久前的日誌",
+  "cleanWarning": "警告",
+  "cleanConfirm": "是否清除指定日期前的支付介面日誌，該操作不可撤回",
+  "cleanSuccess": "清理日誌成功"
+}
diff --git a/apps/daxpay-admin/src/locales/menu-titles/en-US.json b/apps/daxpay-admin/src/locales/menu-titles/en-US.json
index d130ed86f..3aa78cc85 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/en-US.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/en-US.json
@@ -16,6 +16,7 @@
   "menu.demos": "Demos",
   "menu.dashboard": "Dashboard",
   "menu.system.log.operate": "Operate Log",
+  "menu.system.log.unipay": "Payment API Log",
   "menu.platform": "Payment Management",
   "menu.system.log.login": "Login Log",
   "menu.dashboard.workspace": "Workspace",
diff --git a/apps/daxpay-admin/src/locales/menu-titles/id-ID.json b/apps/daxpay-admin/src/locales/menu-titles/id-ID.json
index cfba3f68d..a4e4dc2f6 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/id-ID.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/id-ID.json
@@ -16,6 +16,7 @@
   "menu.demos": "Demo",
   "menu.dashboard": "Dasbor",
   "menu.system.log.operate": "Operasikan Log",
+  "menu.system.log.unipay": "Log API Pembayaran",
   "menu.platform": "Manajemen Pembayaran",
   "menu.system.log.login": "Catatan Masuk",
   "menu.dashboard.workspace": "Ruang kerja",
diff --git a/apps/daxpay-admin/src/locales/menu-titles/ja-JP.json b/apps/daxpay-admin/src/locales/menu-titles/ja-JP.json
index d1534202b..0c82a5e31 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/ja-JP.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/ja-JP.json
@@ -16,6 +16,7 @@
   "menu.demos": "デモ",
   "menu.dashboard": "ダッシュボード",
   "menu.system.log.operate": "操作ログ",
+  "menu.system.log.unipay": "決済APIログ",
   "menu.platform": "支払い管理",
   "menu.system.log.login": "ログインログ",
   "menu.dashboard.workspace": "ワークスペース",
diff --git a/apps/daxpay-admin/src/locales/menu-titles/ko-KR.json b/apps/daxpay-admin/src/locales/menu-titles/ko-KR.json
index 8abbb2713..963962872 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/ko-KR.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/ko-KR.json
@@ -16,6 +16,7 @@
   "menu.demos": "시민",
   "menu.dashboard": "계기반",
   "menu.system.log.operate": "운영 로그",
+  "menu.system.log.unipay": "결제 API 로그",
   "menu.platform": "결제관리",
   "menu.system.log.login": "로그인 로그",
   "menu.dashboard.workspace": "작업공간",
diff --git a/apps/daxpay-admin/src/locales/menu-titles/ms-MY.json b/apps/daxpay-admin/src/locales/menu-titles/ms-MY.json
index 034d50d9d..0910af6c6 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/ms-MY.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/ms-MY.json
@@ -16,6 +16,7 @@
   "menu.demos": "tunjuk cara",
   "menu.dashboard": "Papan pemuka",
   "menu.system.log.operate": "Kendalikan Log",
+  "menu.system.log.unipay": "Log API Pembayaran",
   "menu.platform": "Pengurusan Pembayaran",
   "menu.system.log.login": "Log Masuk",
   "menu.dashboard.workspace": "Ruang kerja",
diff --git a/apps/daxpay-admin/src/locales/menu-titles/th-TH.json b/apps/daxpay-admin/src/locales/menu-titles/th-TH.json
index 00c3047d1..15cf2d9db 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/th-TH.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/th-TH.json
@@ -16,6 +16,7 @@
   "menu.demos": "การสาธิต",
   "menu.dashboard": "แดชบอร์ด",
   "menu.system.log.operate": "ดำเนินการบันทึก",
+  "menu.system.log.unipay": "ล็อก API ชำระเงิน",
   "menu.platform": "การจัดการการชำระเงิน",
   "menu.system.log.login": "เข้าสู่ระบบ",
   "menu.dashboard.workspace": "พื้นที่ทำงาน",
diff --git a/apps/daxpay-admin/src/locales/menu-titles/vi-VN.json b/apps/daxpay-admin/src/locales/menu-titles/vi-VN.json
index eb3304e8b..e357d41f9 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/vi-VN.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/vi-VN.json
@@ -16,6 +16,7 @@
   "menu.demos": "Bản demo",
   "menu.dashboard": "Trang tổng quan",
   "menu.system.log.operate": "Nhật ký vận hành",
+  "menu.system.log.unipay": "Nhật ký API thanh toán",
   "menu.platform": "Quản lý thanh toán",
   "menu.system.log.login": "Đăng nhập Nhật ký",
   "menu.dashboard.workspace": "Không gian làm việc",
diff --git a/apps/daxpay-admin/src/locales/menu-titles/zh-CN.json b/apps/daxpay-admin/src/locales/menu-titles/zh-CN.json
index d2554e025..303b6d328 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/zh-CN.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/zh-CN.json
@@ -16,6 +16,7 @@
   "menu.demos": "演示",
   "menu.dashboard": "仪表板",
   "menu.system.log.operate": "操作日志",
+  "menu.system.log.unipay": "支付接口日志",
   "menu.platform": "支付管理",
   "menu.system.log.login": "登录日志",
   "menu.dashboard.workspace": "工作台",
diff --git a/apps/daxpay-admin/src/locales/menu-titles/zh-HK.json b/apps/daxpay-admin/src/locales/menu-titles/zh-HK.json
index 00a9f95e5..d987daf0f 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/zh-HK.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/zh-HK.json
@@ -16,6 +16,7 @@
   "menu.demos": "演示",
   "menu.dashboard": "儀表板",
   "menu.system.log.operate": "操作日誌",
+  "menu.system.log.unipay": "支付接口日誌",
   "menu.platform": "支付管理",
   "menu.system.log.login": "登錄日誌",
   "menu.dashboard.workspace": "工作台",
diff --git a/apps/daxpay-admin/src/locales/menu-titles/zh-TW.json b/apps/daxpay-admin/src/locales/menu-titles/zh-TW.json
index 1abdcf5e4..7b73863ab 100644
--- a/apps/daxpay-admin/src/locales/menu-titles/zh-TW.json
+++ b/apps/daxpay-admin/src/locales/menu-titles/zh-TW.json
@@ -16,6 +16,7 @@
   "menu.demos": "演示",
   "menu.dashboard": "儀表板",
   "menu.system.log.operate": "操作日誌",
+  "menu.system.log.unipay": "支付介面日誌",
   "menu.platform": "支付管理",
   "menu.system.log.login": "登入日誌",
   "menu.dashboard.workspace": "工作臺",
diff --git a/apps/daxpay-admin/src/views/payment/develop/gateway/DevelopGateway.vue b/apps/daxpay-admin/src/views/payment/develop/gateway/DevelopGateway.vue
index 14a91f748..4ba1f602c 100644
--- a/apps/daxpay-admin/src/views/payment/develop/gateway/DevelopGateway.vue
+++ b/apps/daxpay-admin/src/views/payment/develop/gateway/DevelopGateway.vue
@@ -192,6 +192,16 @@
     return s;
   }
 
+  /** 生成请求 ID(审计索引用, 32 位) */
+  function genReqId(): string {
+    const chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+    let s = '';
+    for (let i = 0; i < 32; i++) {
+      s += chars[Math.floor(Math.random() * chars.length)];
+    }
+    return s;
+  }
+
   /** 剔除空串/null/undefined, 避免参与签名或污染请求体 */
   function cleanPayload(raw: GatewayPrePayParam): GatewayPrePayParam {
     const cleaned: Record<string, any> = {};
@@ -204,12 +214,13 @@
   }
 
   /**
-   * 组装提交参数(含公共字段 reqTime/nonceStr)
+   * 组装提交参数(含公共字段 reqId/reqTime/nonceStr)
    */
   function buildPayload(): GatewayPrePayParam {
     const payload: GatewayPrePayParam = {
       ...form,
       // 每次组参刷新公共字段, 贴近真实商户 SDK
+      reqId: genReqId(),
       reqTime: formatReqTimeCst(),
       nonceStr: genNonceStr(),
       // 签名由后续步骤写入, 预览阶段不带旧 sign
diff --git a/apps/daxpay-admin/src/views/payment/develop/trade/DevelopTrade.vue b/apps/daxpay-admin/src/views/payment/develop/trade/DevelopTrade.vue
index bfb16faec..67808597c 100644
--- a/apps/daxpay-admin/src/views/payment/develop/trade/DevelopTrade.vue
+++ b/apps/daxpay-admin/src/views/payment/develop/trade/DevelopTrade.vue
@@ -256,6 +256,16 @@
     return s;
   }
 
+  /** 生成请求 ID(审计索引用, 32 位) */
+  function genReqId(): string {
+    const chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+    let s = '';
+    for (let i = 0; i < 32; i++) {
+      s += chars[Math.floor(Math.random() * chars.length)];
+    }
+    return s;
+  }
+
   /** 剔除空串/null/undefined, 避免参与签名或污染请求体 */
   function cleanPayload(raw: PayParam): PayParam {
     const cleaned: Record<string, any> = {};
@@ -268,13 +278,14 @@
   }
 
   /**
-   * 按当前模式组装提交参数(含公共字段 reqTime/nonceStr)
+   * 按当前模式组装提交参数(含公共字段 reqId/reqTime/nonceStr)
    * 各模式只透传自身字段; 直接指定 method 由 unipay 路由反推
    */
   function buildPayload(): PayParam {
     const payload: PayParam = {
       ...form,
       // 每次组参刷新公共字段, 贴近真实商户 SDK
+      reqId: genReqId(),
       reqTime: formatReqTimeCst(),
       nonceStr: genNonceStr(),
       // 签名由后续步骤写入, 预览阶段不带旧 sign
diff --git a/apps/daxpay-admin/src/views/system/log/unipay/UnipayApiLogInfo.vue b/apps/daxpay-admin/src/views/system/log/unipay/UnipayApiLogInfo.vue
new file mode 100644
index 000000000..930371dd1
--- /dev/null
+++ b/apps/daxpay-admin/src/views/system/log/unipay/UnipayApiLogInfo.vue
@@ -0,0 +1,110 @@
+<script lang="ts" setup>
+  import { ref } from 'vue';
+
+  import { $t } from '@vben/locales';
+  import { formatDateTime } from '@vben/utils';
+
+  import { type UnipayApiLog, UnipayApiLogApi } from '#/api/system/log/unipay-api-log.api';
+
+  const data = ref<Partial<UnipayApiLog>>({});
+  const visible = ref(false);
+  const confirmLoading = ref(false);
+
+  /**
+   * 显示详情
+   */
+  function show(id: string) {
+    visible.value = true;
+    confirmLoading.value = true;
+    UnipayApiLogApi.findById(id).then(({ data: res }) => {
+      data.value = res || {};
+      confirmLoading.value = false;
+    });
+  }
+
+  defineExpose({ show });
+</script>
+
+<template>
+  <!-- 国际化：支付接口日志详情 -->
+  <a-modal
+    v-bind="$attrs"
+    :loading="confirmLoading"
+    :width="960"
+    :title="$t('system.log.unipay-api-log.detailTitle')"
+    :open="visible"
+    :footer="null"
+    @cancel="visible = false"
+  >
+    <a-spin :spinning="confirmLoading">
+      <a-descriptions :column="2" size="small" bordered>
+        <!-- 商户号 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.mchNo')">
+          {{ data.mchNo }}
+        </a-descriptions-item>
+        <!-- 请求ID -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.reqId')">
+          {{ data.reqId }}
+        </a-descriptions-item>
+        <!-- 状态 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.status')">
+          <a-tag :color="data.success ? 'green' : 'red'">
+            {{ data.success ? $t('common.success') : $t('common.fail') }}
+          </a-tag>
+        </a-descriptions-item>
+        <!-- 耗时 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.durationMs')">
+          {{ data.durationMs != null ? `${data.durationMs} ms` : '' }}
+        </a-descriptions-item>
+        <!-- 接口标题 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.apiTitle')">
+          {{ data.apiTitle }}
+        </a-descriptions-item>
+        <!-- 请求方式 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.requestMethod')">
+          {{ data.requestMethod }}
+        </a-descriptions-item>
+        <!-- 接口路径 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.apiPath')" :span="2">
+          {{ data.apiPath }}
+        </a-descriptions-item>
+        <!-- 真实接入 IP -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.requestIp')">
+          {{ data.requestIp }}
+        </a-descriptions-item>
+        <!-- 归属地 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.requestLocation')">
+          {{ data.requestLocation }}
+        </a-descriptions-item>
+        <!-- 商户声明 IP -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.clientIp')">
+          {{ data.clientIp }}
+        </a-descriptions-item>
+        <!-- 追踪 ID -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.traceId')">
+          {{ data.traceId }}
+        </a-descriptions-item>
+        <!-- 错误码 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.errorCode')">
+          {{ data.errorCode }}
+        </a-descriptions-item>
+        <!-- 错误信息 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.errorMsg')" :span="2">
+          {{ data.errorMsg }}
+        </a-descriptions-item>
+        <!-- 请求参数 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.reqParam')" :span="2">
+          <pre class="whitespace-pre-wrap break-all text-xs">{{ data.reqParam }}</pre>
+        </a-descriptions-item>
+        <!-- 响应体 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.resBody')" :span="2">
+          <pre class="whitespace-pre-wrap break-all text-xs">{{ data.resBody }}</pre>
+        </a-descriptions-item>
+        <!-- 时间 -->
+        <a-descriptions-item :label="$t('system.log.unipay-api-log.operateTime')" :span="2">
+          {{ formatDateTime(data.operateTime) }}
+        </a-descriptions-item>
+      </a-descriptions>
+    </a-spin>
+  </a-modal>
+</template>
diff --git a/apps/daxpay-admin/src/views/system/log/unipay/UnipayApiLogList.vue b/apps/daxpay-admin/src/views/system/log/unipay/UnipayApiLogList.vue
new file mode 100644
index 000000000..9c26f2dc6
--- /dev/null
+++ b/apps/daxpay-admin/src/views/system/log/unipay/UnipayApiLogList.vue
@@ -0,0 +1,264 @@
+<script lang="ts" setup>
+  import type { VxeTableInstance, VxeToolbarInstance } from 'vxe-table';
+
+  import { computed, onMounted, ref } from 'vue';
+
+  import { $t } from '@vben/locales';
+
+  import { UnipayApiLogApi } from '#/api/system/log/unipay-api-log.api';
+  import { BQuery, type QueryField } from '#/components/query';
+  import { PermCodes } from '#/constants/perm-codes';
+  import { useMessage } from '#/hooks/useMessage';
+  import { usePermission } from '#/hooks/usePermission';
+
+  import UnipayApiLogInfo from './UnipayApiLogInfo.vue';
+
+  const { confirm, message } = useMessage();
+  const { hasPermission } = usePermission();
+
+  const loading = ref(false);
+
+  const xTable = ref<VxeTableInstance>();
+  const xToolbar = ref<VxeToolbarInstance>();
+  const unipayApiLogInfoRef = ref();
+
+  // 查询条件
+  const queryForm = ref<Record<string, any>>({});
+
+  // 分页配置
+  const pageConfig = ref({
+    currentPage: 1,
+    pageSize: 10,
+    total: 0,
+  });
+
+  // 表格数据
+  const tableData = ref<any[]>([]);
+
+  // 清理天数
+  const deleteDay = ref<number | undefined>(undefined);
+
+  // 清理条件
+  const deleteDays = computed(() => [
+    // 3天
+    { label: $t('system.log.common.cleanDays.d3'), value: 3 },
+    // 7天
+    { label: $t('system.log.common.cleanDays.d7'), value: 7 },
+    // 30天
+    { label: $t('system.log.common.cleanDays.d30'), value: 30 },
+    // 60天
+    { label: $t('system.log.common.cleanDays.d60'), value: 60 },
+    // 90天
+    { label: $t('system.log.common.cleanDays.d90'), value: 90 },
+    // 180天
+    { label: $t('system.log.common.cleanDays.d180'), value: 180 },
+    // 365天
+    { label: $t('system.log.common.cleanDays.d365'), value: 365 },
+  ]);
+
+  // 状态选项
+  const successStatusOptions = computed(() => [
+    // 成功
+    { label: $t('common.success'), value: true },
+    // 失败
+    { label: $t('common.fail'), value: false },
+  ]);
+
+  // 查询字段配置
+  const queryFields: QueryField[] = [
+    // 商户号
+    {
+      field: 'mchNo',
+      name: $t('system.log.unipay-api-log.mchNo'),
+      placeholder: $t('system.log.unipay-api-log.inputMchNo'),
+    },
+    // 请求ID
+    {
+      field: 'reqId',
+      name: $t('system.log.unipay-api-log.reqId'),
+      placeholder: $t('system.log.unipay-api-log.inputReqId'),
+    },
+    // 接口路径
+    {
+      field: 'apiPath',
+      name: $t('system.log.unipay-api-log.apiPath'),
+      placeholder: $t('system.log.unipay-api-log.inputApiPath'),
+    },
+    // 追踪 ID
+    {
+      field: 'traceId',
+      name: $t('system.log.unipay-api-log.traceId'),
+      placeholder: $t('system.log.unipay-api-log.inputTraceId'),
+    },
+    {
+      field: 'success',
+      type: 'list',
+      // 状态
+      name: $t('system.log.unipay-api-log.status'),
+      selectList: successStatusOptions.value,
+    },
+  ];
+
+  onMounted(() => {
+    xTable.value?.connectToolbar(xToolbar.value as VxeToolbarInstance);
+    queryPage();
+  });
+
+  /**
+   * 查询分页数据
+   */
+  function queryPage() {
+    loading.value = true;
+    UnipayApiLogApi.page({
+      current: pageConfig.value.currentPage,
+      size: pageConfig.value.pageSize,
+      ...queryForm.value,
+    }).then((res: any) => {
+      tableData.value = res.data.records || [];
+      pageConfig.value.total = Number(res.data.total) || 0;
+      loading.value = false;
+    });
+    return Promise.resolve();
+  }
+
+  /**
+   * 重置查询
+   */
+  function resetQuery() {
+    queryForm.value = {};
+    pageConfig.value.currentPage = 1;
+    queryPage();
+  }
+
+  /**
+   * 查看详情
+   */
+  function handleShow(row: any) {
+    unipayApiLogInfoRef.value.show(row.id);
+  }
+
+  /**
+   * 清理日志
+   */
+  function handleDeleteLogs() {
+    if (!deleteDay.value) {
+      return;
+    }
+    confirm({
+      // 清理确认
+      title: $t('system.log.unipay-api-log.cleanWarning'),
+      // 确认清理内容
+      content: $t('system.log.unipay-api-log.cleanConfirm'),
+      okText: $t('common.okText'),
+      cancelText: $t('common.cancelText'),
+      onOk() {
+        return UnipayApiLogApi.deleteByDay(deleteDay.value!).then(() => {
+          // 清理成功
+          message.success($t('system.log.unipay-api-log.cleanSuccess'));
+          deleteDay.value = undefined;
+          queryPage();
+        });
+      },
+    });
+  }
+
+  /**
+   * 分页变化
+   */
+  function handlePageChange({ currentPage, pageSize }: any) {
+    pageConfig.value.currentPage = currentPage;
+    pageConfig.value.pageSize = pageSize;
+    queryPage();
+  }
+</script>
+
+<template>
+  <div class="m-3 rounded-lg bg-background p-3 list-page-compact">
+    <a-card>
+      <!-- 查询表单 -->
+      <BQuery :fields="queryFields" :query-params="queryForm" @query="queryPage" @reset="resetQuery" />
+    </a-card>
+
+    <div class="mt-4">
+      <a-card>
+        <vxe-toolbar ref="xToolbar" custom refresh :refresh-options="{ queryMethod: queryPage }">
+          <template #buttons>
+            <a-space v-if="hasPermission(PermCodes.System.Log.Unipay.MANAGE)">
+              <!-- 国际化：清除多久前的日志 -->
+              <a-select
+                v-model:value="deleteDay"
+                :options="deleteDays"
+                :placeholder="$t('system.log.unipay-api-log.selectCleanDay')"
+                allow-clear
+                style="width: 180px"
+              />
+              <a-button v-if="deleteDay" type="primary" @click="handleDeleteLogs">
+                <!-- 国际化：清理 -->
+                {{ $t('system.log.common.clean') }}
+              </a-button>
+            </a-space>
+          </template>
+        </vxe-toolbar>
+        <!-- 数据表格 -->
+        <vxe-table ref="xTable" :row-config="{ keyField: 'id' }" :data="tableData" :loading="loading">
+          <!-- 序号 -->
+          <vxe-column type="seq" :title="$t('common.seq')" width="60" align="center" />
+          <!-- 商户号 -->
+          <vxe-column field="mchNo" :title="$t('system.log.unipay-api-log.mchNo')" :min-width="140" />
+          <!-- 请求ID -->
+          <vxe-column field="reqId" :title="$t('system.log.unipay-api-log.reqId')" :min-width="180" />
+          <!-- 接口标题 -->
+          <vxe-column field="apiTitle" :title="$t('system.log.unipay-api-log.apiTitle')" :min-width="120" />
+          <!-- 状态 -->
+          <vxe-column field="success" :title="$t('system.log.unipay-api-log.status')" :min-width="90" align="center">
+            <template #default="{ row }">
+              <a-tag :color="row.success ? 'green' : 'red'">
+                {{ row.success ? $t('common.success') : $t('common.fail') }}
+              </a-tag>
+            </template>
+          </vxe-column>
+          <!-- 耗时 -->
+          <vxe-column field="durationMs" :title="$t('system.log.unipay-api-log.durationMs')" :min-width="90" align="right">
+            <template #default="{ row }">
+              {{ row.durationMs != null ? `${row.durationMs}` : '' }}
+            </template>
+          </vxe-column>
+          <!-- 接入 IP -->
+          <vxe-column field="requestIp" :title="$t('system.log.unipay-api-log.requestIp')" :min-width="130" />
+          <!-- 错误提示 -->
+          <vxe-column field="errorMsg" :title="$t('system.log.unipay-api-log.errorMsg')" :min-width="150" />
+          <!-- 时间 -->
+          <vxe-column
+            field="operateTime"
+            :title="$t('system.log.unipay-api-log.operateTime')"
+            :min-width="170"
+            formatter="formatDateTime"
+          />
+          <!-- 操作 -->
+          <vxe-column fixed="right" width="100" :show-overflow="false" :title="$t('common.operation')">
+            <template #default="{ row }">
+              <a-button
+                v-if="hasPermission(PermCodes.System.Log.Unipay.VIEW)"
+                type="link"
+                size="small"
+                @click="handleShow(row)"
+              >
+                {{ $t('common.view') }}
+              </a-button>
+            </template>
+          </vxe-column>
+        </vxe-table>
+        <vxe-pager
+          size="medium"
+          :loading="loading"
+          :current-page="pageConfig.currentPage"
+          :page-size="pageConfig.pageSize"
+          :total="Number(pageConfig.total)"
+          @page-change="handlePageChange"
+        />
+      </a-card>
+    </div>
+
+    <UnipayApiLogInfo ref="unipayApiLogInfoRef" />
+  </div>
+</template>