diff --git a/document/content/docs/upgrading/4-14/4144.mdx b/document/content/docs/upgrading/4-14/4144.mdx
index 18614247d..4216f34e8 100644
--- a/document/content/docs/upgrading/4-14/4144.mdx
+++ b/document/content/docs/upgrading/4-14/4144.mdx
@@ -57,6 +57,7 @@ curl --location --request POST 'https://{{host}}/api/admin/initv4144' \
 10. 发布渠道文档链接定位错误。
 11. Checkbox 在禁用状态时，hover 样式错误。
 12. 模型头像缺失情况下，默认 huggingface.svg 图标显示错误。
+13. 日志导出时，结束时间会多出一天。
 
 ## 插件
 
diff --git a/document/data/doc-last-modified.json b/document/data/doc-last-modified.json
index 6b6a2b050..42b13fc88 100644
--- a/document/data/doc-last-modified.json
+++ b/document/data/doc-last-modified.json
@@ -119,7 +119,7 @@
   "document/content/docs/upgrading/4-14/4141.mdx": "2025-11-19T10:15:27+08:00",
   "document/content/docs/upgrading/4-14/4142.mdx": "2025-11-18T19:27:14+08:00",
   "document/content/docs/upgrading/4-14/4143.mdx": "2025-11-26T20:52:05+08:00",
-  "document/content/docs/upgrading/4-14/4144.mdx": "2025-12-10T11:41:15+08:00",
+  "document/content/docs/upgrading/4-14/4144.mdx": "2025-12-09T23:33:32+08:00",
   "document/content/docs/upgrading/4-8/40.mdx": "2025-08-02T19:38:37+08:00",
   "document/content/docs/upgrading/4-8/41.mdx": "2025-08-02T19:38:37+08:00",
   "document/content/docs/upgrading/4-8/42.mdx": "2025-08-02T19:38:37+08:00",
@@ -201,4 +201,4 @@
   "document/content/docs/use-cases/external-integration/openapi.mdx": "2025-09-29T11:34:11+08:00",
   "document/content/docs/use-cases/external-integration/wecom.mdx": "2025-12-09T23:33:32+08:00",
   "document/content/docs/use-cases/index.mdx": "2025-07-24T14:23:04+08:00"
-}
\ No newline at end of file
+}
diff --git a/packages/global/common/i18n/utils.ts b/packages/global/common/i18n/utils.ts
index 16a65c528..d8b157581 100644
--- a/packages/global/common/i18n/utils.ts
+++ b/packages/global/common/i18n/utils.ts
@@ -16,3 +16,10 @@ export const parseI18nString = (str: I18nStringType | string = '', lang = 'en')
   // 最后回退到英文
   return str['en'] || '';
 };
+
+export const formatI18nLocationToZhEn = (locale: localeType = 'zh-CN'): 'zh' | 'en' => {
+  if (locale.toLocaleLowerCase().startsWith('zh')) {
+    return 'zh';
+  }
+  return 'en';
+};
diff --git a/packages/service/common/geo/index.ts b/packages/service/common/geo/index.ts
index c7107089b..9c815d854 100644
--- a/packages/service/common/geo/index.ts
+++ b/packages/service/common/geo/index.ts
@@ -2,11 +2,13 @@ import fs from 'node:fs';
 import type { ReaderModel } from '@maxmind/geoip2-node';
 import { Reader } from '@maxmind/geoip2-node';
 import { cleanupIntervalMs, dbPath, privateOrOtherLocationName } from './constants';
-import type { I18nName, LocationName } from './type';
+import type { LocationName } from './type';
 import { extractLocationData } from './utils';
 import type { NextApiRequest } from 'next';
 import { getClientIp } from 'request-ip';
 import { addLog } from '../system/log';
+import type { localeType } from '@fastgpt/global/common/i18n/type';
+import { formatI18nLocationToZhEn } from '@fastgpt/global/common/i18n/utils';
 
 let reader: ReaderModel | null = null;
 
@@ -25,21 +27,23 @@ export function getGeoReader() {
   return reader;
 }
 
-export function getLocationFromIp(ip?: string, locale: keyof I18nName = 'zh') {
+export function getLocationFromIp(ip?: string, locale: localeType = 'zh-CN') {
+  const formatedLocale = formatI18nLocationToZhEn(locale);
+
   if (!ip) {
-    return privateOrOtherLocationName.country?.[locale];
+    return privateOrOtherLocationName.country?.[formatedLocale];
   }
   const reader = getGeoReader();
 
   let locationName = locationIpMap.get(ip);
   if (locationName) {
     return [
-      locationName.country?.[locale],
-      locationName.province?.[locale],
-      locationName.city?.[locale]
+      locationName.country?.[formatedLocale],
+      locationName.province?.[formatedLocale],
+      locationName.city?.[formatedLocale]
     ]
       .filter(Boolean)
-      .join(locale === 'zh' ? '，' : ',');
+      .join(formatedLocale === 'zh' ? '，' : ',');
   }
 
   try {
@@ -62,15 +66,15 @@ export function getLocationFromIp(ip?: string, locale: keyof I18nName = 'zh') {
     locationIpMap.set(ip, locationName);
 
     return [
-      locationName.country?.[locale],
-      locationName.province?.[locale],
-      locationName.city?.[locale]
+      locationName.country?.[formatedLocale],
+      locationName.province?.[formatedLocale],
+      locationName.city?.[formatedLocale]
     ]
       .filter(Boolean)
-      .join(locale === 'zh' ? '，' : ', ');
+      .join(formatedLocale === 'zh' ? '，' : ', ');
   } catch (error) {
     locationIpMap.set(ip, privateOrOtherLocationName);
-    return privateOrOtherLocationName.country?.[locale];
+    return privateOrOtherLocationName.country?.[formatedLocale];
   }
 }
 
diff --git a/packages/web/i18n/en/app.json b/packages/web/i18n/en/app.json
index 17b5698db..0de82f169 100644
--- a/packages/web/i18n/en/app.json
+++ b/packages/web/i18n/en/app.json
@@ -145,6 +145,7 @@
   "expand_tool_create": "Expand MCP/Http create",
   "export_config_successful": "Configuration copied, some sensitive information automatically filtered. Please check for any remaining sensitive data.",
   "export_configs": "Export",
+  "export_log_filename": "{{name}} chat logs.csv",
   "fastgpt_marketplace": "FastGPT plug-in market",
   "feedback_count": "User Feedback",
   "file_quote_link": "Files",
diff --git a/packages/web/i18n/zh-CN/app.json b/packages/web/i18n/zh-CN/app.json
index f58186211..db1ccd15f 100644
--- a/packages/web/i18n/zh-CN/app.json
+++ b/packages/web/i18n/zh-CN/app.json
@@ -149,6 +149,7 @@
   "expand_tool_create": "展开MCP、Http创建",
   "export_config_successful": "已复制配置，自动过滤部分敏感信息，请注意检查是否仍有敏感数据",
   "export_configs": "导出配置",
+  "export_log_filename": "{{name}} 对话日志.csv",
   "fastgpt_marketplace": "FastGPT 插件市场",
   "feedback_count": "用户反馈",
   "file_quote_link": "文件链接",
diff --git a/packages/web/i18n/zh-Hant/app.json b/packages/web/i18n/zh-Hant/app.json
index c8ac07101..a5400e276 100644
--- a/packages/web/i18n/zh-Hant/app.json
+++ b/packages/web/i18n/zh-Hant/app.json
@@ -144,6 +144,7 @@
   "expand_tool_create": "展開 MCP、Http 創建",
   "export_config_successful": "已複製設定，自動過濾部分敏感資訊，請注意檢查是否仍有敏感資料",
   "export_configs": "匯出設定",
+  "export_log_filename": "{{name}} 對話日誌.csv",
   "fastgpt_marketplace": "FastGPT 插件市場",
   "feedback_count": "使用者回饋",
   "file_quote_link": "檔案連結",
diff --git a/projects/app/src/global/core/api/appReq.d.ts b/projects/app/src/global/core/api/appReq.d.ts
index 6fe202f19..4b5d53142 100644
--- a/projects/app/src/global/core/api/appReq.d.ts
+++ b/projects/app/src/global/core/api/appReq.d.ts
@@ -10,7 +10,6 @@ export type GetAppChatLogsProps = {
   sources?: ChatSourceEnum[];
   tmbIds?: string[];
   chatSearch?: string;
-  locale?: keyof I18nName;
 };
 
 export type GetAppChatLogsParams = PaginationProps<GetAppChatLogsProps>;
diff --git a/projects/app/src/pageComponents/app/detail/Logs/LogTable.tsx b/projects/app/src/pageComponents/app/detail/Logs/LogTable.tsx
index 88e99ba73..a581a81bb 100644
--- a/projects/app/src/pageComponents/app/detail/Logs/LogTable.tsx
+++ b/projects/app/src/pageComponents/app/detail/Logs/LogTable.tsx
@@ -20,7 +20,6 @@ import MultipleSelect, {
 import React, { useMemo, useState } from 'react';
 import { useTranslation } from 'next-i18next';
 import DateRangePicker from '@fastgpt/web/components/common/DateRangePicker';
-import { addDays } from 'date-fns';
 import { useScrollPagination } from '@fastgpt/web/hooks/useScrollPagination';
 import { getTeamMembers } from '@/web/support/user/team/api';
 import Avatar from '@fastgpt/web/components/common/Avatar';
@@ -50,7 +49,8 @@ import dynamic from 'next/dynamic';
 import type { HeaderControlProps } from './LogChart';
 import { useSystemStore } from '@/web/common/system/useSystemStore';
 import MyBox from '@fastgpt/web/components/common/MyBox';
-import type { I18nName } from '@fastgpt/service/common/geo/type';
+import { useContextSelector } from 'use-context-selector';
+import { AppContext } from '../context';
 
 const DetailLogsModal = dynamic(() => import('./DetailLogsModal'));
 
@@ -65,10 +65,11 @@ const LogTable = ({
   showSourceSelector = true,
   px = [4, 8]
 }: HeaderControlProps) => {
-  const { t, i18n } = useTranslation();
+  const { t } = useTranslation();
   const { feConfigs } = useSystemStore();
 
   const [detailLogsId, setDetailLogsId] = useState<string>();
+  const appName = useContextSelector(AppContext, (v) => v.appDetail.name);
 
   // source
   const sourceList = useMemo(
@@ -147,15 +148,14 @@ const LogTable = ({
       const headerTitle = enabledKeys.map((k) => t(AppLogKeysEnumMap[k])).join(',');
       await downloadFetch({
         url: '/api/core/app/exportChatLogs',
-        filename: 'chat_logs.csv',
+        filename: t('app:export_log_filename', { name: appName }),
         body: {
           appId,
           dateStart: dayjs(dateRange.from || new Date()).format(),
-          dateEnd: dayjs(addDays(dateRange.to || new Date(), 1)).format(),
+          dateEnd: dayjs(dateRange.to || new Date()).format(),
           sources: isSelectAllSource ? undefined : chatSources,
           tmbIds: isSelectAllTmb ? undefined : selectTmbIds,
           chatSearch,
-          locale: i18n.language === 'zh-CN' ? 'zh' : 'en',
           title: `${headerTitle},${t('app:logs_keys_chatDetails')}`,
           logKeys: enabledKeys,
           sourcesMap: Object.fromEntries(
@@ -180,8 +180,7 @@ const LogTable = ({
       dateEnd: dateRange.to!,
       sources: isSelectAllSource ? undefined : chatSources,
       tmbIds: isSelectAllTmb ? undefined : selectTmbIds,
-      chatSearch,
-      locale: (i18n.language === 'zh-CN' ? 'zh' : 'en') as keyof I18nName
+      chatSearch
     }),
     [
       appId,
@@ -191,8 +190,7 @@ const LogTable = ({
       isSelectAllSource,
       selectTmbIds,
       isSelectAllTmb,
-      chatSearch,
-      i18n.language
+      chatSearch
     ]
   );
 
diff --git a/projects/app/src/pages/api/core/app/exportChatLogs.ts b/projects/app/src/pages/api/core/app/exportChatLogs.ts
index d75518fe3..6f1b92c33 100644
--- a/projects/app/src/pages/api/core/app/exportChatLogs.ts
+++ b/projects/app/src/pages/api/core/app/exportChatLogs.ts
@@ -26,7 +26,7 @@ import { getAppLatestVersion } from '@fastgpt/service/core/app/version/controlle
 import { VariableInputEnum } from '@fastgpt/global/core/workflow/constants';
 import { getTimezoneCodeFromStr } from '@fastgpt/global/common/time/timezone';
 import { getLocationFromIp } from '@fastgpt/service/common/geo';
-import type { I18nName } from '@fastgpt/service/common/geo/type';
+import { getLocale } from '@fastgpt/service/common/middle/i18n';
 
 const formatJsonString = (data: any) => {
   if (data == null) return '';
@@ -40,7 +40,6 @@ export type ExportChatLogsBody = GetAppChatLogsProps & {
   title: string;
   sourcesMap: Record<string, { label: string }>;
   logKeys: AppLogKeysEnum[];
-  locale?: keyof I18nName;
 };
 
 async function handler(req: ApiRequestProps<ExportChatLogsBody, {}>, res: NextApiResponse) {
@@ -51,7 +50,6 @@ async function handler(req: ApiRequestProps<ExportChatLogsBody, {}>, res: NextAp
     sources,
     tmbIds,
     chatSearch,
-    locale = 'en',
     title,
     sourcesMap,
     logKeys = []
@@ -61,6 +59,7 @@ async function handler(req: ApiRequestProps<ExportChatLogsBody, {}>, res: NextAp
     throw new Error('缺少参数');
   }
 
+  const locale = getLocale(req);
   const timezoneCode = getTimezoneCodeFromStr(dateStart);
 
   const { teamId, tmbId, app } = await authApp({
diff --git a/projects/app/src/pages/api/core/app/getChatLogs.ts b/projects/app/src/pages/api/core/app/getChatLogs.ts
index 45047dbe2..1eecbd211 100644
--- a/projects/app/src/pages/api/core/app/getChatLogs.ts
+++ b/projects/app/src/pages/api/core/app/getChatLogs.ts
@@ -1,8 +1,7 @@
-import type { NextApiRequest, NextApiResponse } from 'next';
+import type { NextApiResponse } from 'next';
 import { MongoChat } from '@fastgpt/service/core/chat/chatSchema';
 import { type AppLogsListItemType } from '@/types/app';
 import { Types } from '@fastgpt/service/common/mongo';
-import { addDays } from 'date-fns';
 import type { GetAppChatLogsParams } from '@/global/core/api/appReq.d';
 import { authApp } from '@fastgpt/service/support/permission/app/auth';
 import {
@@ -19,12 +18,13 @@ import { getLocationFromIp } from '@fastgpt/service/common/geo';
 import { AppReadChatLogPerVal } from '@fastgpt/global/support/permission/app/constant';
 import { CommonErrEnum } from '@fastgpt/global/common/error/code/common';
 import type { ApiRequestProps } from '@fastgpt/service/type/next';
+import { getLocale } from '@fastgpt/service/common/middle/i18n';
 
 async function handler(
   req: ApiRequestProps<GetAppChatLogsParams>,
   _res: NextApiResponse
 ): Promise<PaginationResponse<AppLogsListItemType>> {
-  const { appId, dateStart, dateEnd, sources, tmbIds, chatSearch, locale = 'en' } = req.body;
+  const { appId, dateStart, dateEnd, sources, tmbIds, chatSearch } = req.body;
 
   const { pageSize = 20, offset } = parsePaginationRequest(req);
 
@@ -294,7 +294,7 @@ async function handler(
 
   const listWithRegion = list.map((item) => {
     const ip = item.region;
-    const region = getLocationFromIp(ip, locale);
+    const region = getLocationFromIp(ip, getLocale(req));
 
     return {
       ...item,