diff --git a/document/content/self-host/upgrading/4-14/41418.mdx b/document/content/self-host/upgrading/4-14/41418.mdx
new file mode 100644
index 0000000000..9bef9ec6d3
--- /dev/null
+++ b/document/content/self-host/upgrading/4-14/41418.mdx
@@ -0,0 +1,15 @@
+---
+title: 'V4.14.18(处理中)'
+description: 'FastGPT V4.14.18 更新说明'
+---
+
+## 升级指南
+
+### 1. 更新镜像 tag
+
+- 更新 fastgpt-app(fastgpt 主服务) 镜像 tag: v4.14.18
+- 更新 fastgpt-pro(fastgpt 商业版) 镜像 tag: v4.14.18
+
+## 🐛 修复
+
+1. 修复了部分`工作流工具`、`用户表单节点`无法正确根据文件类型过滤并上传文件的问题
diff --git a/document/content/self-host/upgrading/4-14/meta.en.json b/document/content/self-host/upgrading/4-14/meta.en.json
index a234171923..1f02e0eac1 100644
--- a/document/content/self-host/upgrading/4-14/meta.en.json
+++ b/document/content/self-host/upgrading/4-14/meta.en.json
@@ -2,6 +2,7 @@
   "title": "4.14.x",
   "description": "",
   "pages": [
+    "41418",
     "41417",
     "41416",
     "41415",
diff --git a/document/content/self-host/upgrading/4-14/meta.json b/document/content/self-host/upgrading/4-14/meta.json
index a234171923..1f02e0eac1 100644
--- a/document/content/self-host/upgrading/4-14/meta.json
+++ b/document/content/self-host/upgrading/4-14/meta.json
@@ -2,6 +2,7 @@
   "title": "4.14.x",
   "description": "",
   "pages": [
+    "41418",
     "41417",
     "41416",
     "41415",
diff --git a/document/content/toc.mdx b/document/content/toc.mdx
index 186f1cdc3a..d5b6c7fa5f 100644
--- a/document/content/toc.mdx
+++ b/document/content/toc.mdx
@@ -120,6 +120,7 @@ description: FastGPT 文档目录
 - [/self-host/upgrading/4-14/41415](/self-host/upgrading/4-14/41415)
 - [/self-host/upgrading/4-14/41416](/self-host/upgrading/4-14/41416)
 - [/self-host/upgrading/4-14/41417](/self-host/upgrading/4-14/41417)
+- [/self-host/upgrading/4-14/41418](/self-host/upgrading/4-14/41418)
 - [/self-host/upgrading/4-14/4142](/self-host/upgrading/4-14/4142)
 - [/self-host/upgrading/4-14/4143](/self-host/upgrading/4-14/4143)
 - [/self-host/upgrading/4-14/4144](/self-host/upgrading/4-14/4144)
diff --git a/document/data/doc-last-modified.json b/document/data/doc-last-modified.json
index 95ecdd4e65..b1ee4951ca 100644
--- a/document/data/doc-last-modified.json
+++ b/document/data/doc-last-modified.json
@@ -95,6 +95,8 @@
   "content/introduction/guide/knowledge_base/collection_tags.mdx": "2026-04-26T21:08:47+08:00",
   "content/introduction/guide/knowledge_base/dataset_engine.en.mdx": "2026-04-26T21:08:47+08:00",
   "content/introduction/guide/knowledge_base/dataset_engine.mdx": "2026-04-26T21:08:47+08:00",
+  "content/introduction/guide/knowledge_base/dingtalk_dataset.en.mdx": "2026-04-29T20:39:24+08:00",
+  "content/introduction/guide/knowledge_base/dingtalk_dataset.mdx": "2026-04-29T20:39:24+08:00",
   "content/introduction/guide/knowledge_base/lark_dataset.en.mdx": "2026-04-26T21:08:47+08:00",
   "content/introduction/guide/knowledge_base/lark_dataset.mdx": "2026-04-26T21:08:47+08:00",
   "content/introduction/guide/knowledge_base/rag.en.mdx": "2026-04-26T21:08:47+08:00",
@@ -232,6 +234,7 @@
   "content/self-host/upgrading/4-14/41416.en.mdx": "2026-04-26T21:28:27+08:00",
   "content/self-host/upgrading/4-14/41416.mdx": "2026-04-26T22:41:57+08:00",
   "content/self-host/upgrading/4-14/41417.mdx": "2026-04-28T18:03:38+08:00",
+  "content/self-host/upgrading/4-14/41418.mdx": "2026-05-06T10:14:45+08:00",
   "content/self-host/upgrading/4-14/4142.en.mdx": "2026-04-26T21:08:47+08:00",
   "content/self-host/upgrading/4-14/4142.mdx": "2026-04-26T21:08:47+08:00",
   "content/self-host/upgrading/4-14/4143.en.mdx": "2026-04-26T21:08:47+08:00",
@@ -252,7 +255,7 @@
   "content/self-host/upgrading/4-14/41481.mdx": "2026-04-26T21:08:47+08:00",
   "content/self-host/upgrading/4-14/4149.en.mdx": "2026-04-26T21:08:47+08:00",
   "content/self-host/upgrading/4-14/4149.mdx": "2026-04-26T21:08:47+08:00",
-  "content/self-host/upgrading/4-15/4150.mdx": "2026-04-29T14:53:45+08:00",
+  "content/self-host/upgrading/4-15/4150.mdx": "2026-04-29T20:39:24+08:00",
   "content/self-host/upgrading/outdated/40.en.mdx": "2026-04-26T21:08:47+08:00",
   "content/self-host/upgrading/outdated/40.mdx": "2026-04-26T21:08:47+08:00",
   "content/self-host/upgrading/outdated/41.en.mdx": "2026-04-26T21:08:47+08:00",
@@ -393,8 +396,8 @@
   "content/self-host/upgrading/outdated/499.mdx": "2026-04-26T21:08:47+08:00",
   "content/self-host/upgrading/upgrade-intruction.en.mdx": "2026-04-26T21:08:47+08:00",
   "content/self-host/upgrading/upgrade-intruction.mdx": "2026-04-26T21:08:47+08:00",
-  "content/toc.en.mdx": "2026-04-26T21:28:27+08:00",
-  "content/toc.mdx": "2026-04-28T18:03:38+08:00",
+  "content/toc.en.mdx": "2026-04-29T20:39:24+08:00",
+  "content/toc.mdx": "2026-05-06T10:14:45+08:00",
   "content/use-cases/app-cases/dalle3.en.mdx": "2026-04-26T21:08:47+08:00",
   "content/use-cases/app-cases/dalle3.mdx": "2026-04-26T21:08:47+08:00",
   "content/use-cases/app-cases/english_essay_correction_bot.en.mdx": "2026-04-26T21:08:47+08:00",
diff --git a/document/package.json b/document/package.json
index aa84dab574..cb07d06d6a 100644
--- a/document/package.json
+++ b/document/package.json
@@ -7,7 +7,7 @@
     "dev": "next dev --turbo",
     "start": "next start",
     "postinstall": "fumadocs-mdx",
-    "format-doc": "zhlint --dir ./ *.mdx --fix",
+    "format-doc": "pnpx zhlint --dir ./ *.mdx --fix",
     "initDocTime": "node ./script/initDocTime.js",
     "initDocToc": "node ./script/generateToc.js",
     "checkDocRefs": "node ./script/checkDocRefs.js",
diff --git a/packages/global/openapi/core/chat/file/api.ts b/packages/global/openapi/core/chat/file/api.ts
index 2ad171f324..817b5d20e6 100644
--- a/packages/global/openapi/core/chat/file/api.ts
+++ b/packages/global/openapi/core/chat/file/api.ts
@@ -28,8 +28,7 @@ export const PresignChatFilePostUrlSchema = z
     filename: z.string().min(1).describe('文件名'),
     appId: ObjectIdSchema.describe('应用ID'),
     chatId: z.string().min(1).describe('对话ID'),
-    fileSelectConfig:
-      AppFileSelectConfigTypeSchema.optional().describe('调试态前端当前文件选择配置'),
+    fileSelectConfig: AppFileSelectConfigTypeSchema.describe('本次上传控件的文件选择配置'),
     outLinkAuthData: OutLinkChatAuthSchema.optional().describe('外链鉴权数据')
   })
   .meta({
diff --git a/packages/service/core/dataset/utils.ts b/packages/service/core/dataset/utils.ts
index 0cc055b434..bc45013f5f 100644
--- a/packages/service/core/dataset/utils.ts
+++ b/packages/service/core/dataset/utils.ts
@@ -1,8 +1,6 @@
 import { authDatasetByTmbId } from '../../support/permission/dataset/auth';
 import { ReadPermissionVal } from '@fastgpt/global/support/permission/constant';
 import { S3Sources } from '../../common/s3/contracts/type';
-import { getS3DatasetSource, S3DatasetSource } from '../../common/s3/sources/dataset';
-import { getS3ChatSource } from '../../common/s3/sources/chat';
 import { jwtSignS3DownloadToken, isS3ObjectKey } from '../../common/s3/utils';
 import { getLogger, LogCategories } from '../../common/logger';
 import { S3Buckets } from '../../common/s3/config/constants';
@@ -67,7 +65,10 @@ export function replaceS3KeyToPreviewUrl(documentQuoteText: string, expiredTime:
   for (const match of matches.slice().reverse()) {
     const [full, bang, alt, objectKey] = match;
 
-    if (isS3ObjectKey(objectKey, 'dataset') || isS3ObjectKey(objectKey, 'chat')) {
+    const allowedKeys: (keyof typeof S3Sources)[] = ['dataset', 'chat', 'temp'];
+    const allowedKeysGuard = allowedKeys.some((key) => isS3ObjectKey(objectKey, key));
+
+    if (allowedKeysGuard) {
       const url = jwtSignS3DownloadToken({
         objectKey,
         bucketName: S3Buckets.private,
diff --git a/packages/service/test/core/dataset/utils.test.ts b/packages/service/test/core/dataset/utils.test.ts
index 70d150b9dc..f5ccd3ae04 100644
--- a/packages/service/test/core/dataset/utils.test.ts
+++ b/packages/service/test/core/dataset/utils.test.ts
@@ -134,10 +134,11 @@ describe('replaceS3KeyToPreviewUrl', () => {
       expect(result).toBe(text);
     });
 
-    it('temp 前缀不应被替换', () => {
+    it('temp 前缀应被替换', () => {
       const text = '![临时文件](temp/team1/temp-file.png)';
       const result = replaceS3KeyToPreviewUrl(text, expiredTime);
-      expect(result).toBe(text);
+      expect(result).toContain('https://example.com/api/system/file/download/mock-jwt-token-');
+      expect(result).toContain('temp/team1/temp-file.png');
     });
   });
 
diff --git a/pro b/pro
index 1a56dfc0d3..c8a75dd14a 160000
--- a/pro
+++ b/pro
@@ -1 +1 @@
-Subproject commit 1a56dfc0d3c2fc1dc3e4a2f23ad1847926c804a8
+Subproject commit c8a75dd14a1591f7270652824f51594687d07328
diff --git a/projects/app/src/components/core/app/FileSelector/index.tsx b/projects/app/src/components/core/app/FileSelector/index.tsx
index d5a9f3b71b..128ada6913 100644
--- a/projects/app/src/components/core/app/FileSelector/index.tsx
+++ b/projects/app/src/components/core/app/FileSelector/index.tsx
@@ -62,10 +62,6 @@ const FileSelector = ({
   const appId = useContextSelector(WorkflowRuntimeContext, (v) => v.appId);
   const chatId = useContextSelector(WorkflowRuntimeContext, (v) => v.chatId);
   const outLinkAuthData = useContextSelector(WorkflowRuntimeContext, (v) => v.outLinkAuthData);
-  const runtimeFileSelectConfig = useContextSelector(
-    WorkflowRuntimeContext,
-    (v) => v.runtimeFileSelectConfig
-  );
   const setFileUploadingCount = useContextSelector(
     WorkflowRuntimeContext,
     (v) => v.setFileUploadingCount
@@ -95,6 +91,26 @@ const FileSelector = ({
     canSelectCustomFileExtension,
     customFileExtensionList
   ]);
+  const fileSelectConfig = useMemo<AppFileSelectConfigType>(
+    () => ({
+      maxFiles,
+      canSelectFile,
+      canSelectImg,
+      canSelectVideo,
+      canSelectAudio,
+      canSelectCustomFileExtension,
+      customFileExtensionList
+    }),
+    [
+      maxFiles,
+      canSelectFile,
+      canSelectImg,
+      canSelectVideo,
+      canSelectAudio,
+      canSelectCustomFileExtension,
+      customFileExtensionList
+    ]
+  );
   // 文件数量限制：组件参数 || 团队套餐 || 系统配置 || 默认值
   const maxSelectFiles =
     maxFiles ||
@@ -131,7 +147,7 @@ const FileSelector = ({
               filename: file.rawFile.name,
               appId,
               chatId,
-              fileSelectConfig: runtimeFileSelectConfig,
+              fileSelectConfig,
               outLinkAuthData
             });
 
@@ -181,14 +197,7 @@ const FileSelector = ({
         })
       );
     },
-    [
-      handleChangeFiles,
-      setFileUploadingCount,
-      appId,
-      chatId,
-      runtimeFileSelectConfig,
-      outLinkAuthData
-    ]
+    [handleChangeFiles, setFileUploadingCount, appId, chatId, fileSelectConfig, outLinkAuthData]
   );
 
   // Selector props
diff --git a/projects/app/src/components/core/chat/ChatContainer/ChatBox/Provider.tsx b/projects/app/src/components/core/chat/ChatContainer/ChatBox/Provider.tsx
index e0dce145fe..fadf2dc31b 100644
--- a/projects/app/src/components/core/chat/ChatContainer/ChatBox/Provider.tsx
+++ b/projects/app/src/components/core/chat/ChatContainer/ChatBox/Provider.tsx
@@ -23,7 +23,6 @@ import { ChatItemContext } from '@/web/core/chat/context/chatItemContext';
 import { ChatRecordContext } from '@/web/core/chat/context/chatRecordContext';
 import { useCreation } from 'ahooks';
 import type { ChatTypeEnum } from './constants';
-import { ChatTypeEnum as ChatTypeEnumValue } from './constants';
 import type { ChatQuickAppType } from '@fastgpt/global/core/chat/setting/type';
 import { WorkflowRuntimeContextProvider } from '@/components/core/chat/ChatContainer/context/workflowRuntimeContext';
 
@@ -254,22 +253,11 @@ const Provider = ({
     getHistoryResponseData,
     chatType
   };
-  const runtimeFileSelectConfig = useMemo(() => {
-    if (chatType === ChatTypeEnumValue.test) {
-      return fileSelectConfig;
-    }
-    if (chatType === ChatTypeEnumValue.home && !props.currentQuickAppId) {
-      return fileSelectConfig;
-    }
-    return undefined;
-  }, [chatType, fileSelectConfig, props.currentQuickAppId]);
-
   return (
     <WorkflowRuntimeContextProvider
       appId={appId}
       chatId={chatId}
       outLinkAuthData={formatOutLinkAuth}
-      runtimeFileSelectConfig={runtimeFileSelectConfig}
     >
       <ChatBoxContext.Provider value={value}>{children}</ChatBoxContext.Provider>
     </WorkflowRuntimeContextProvider>
diff --git a/projects/app/src/components/core/chat/ChatContainer/ChatBox/hooks/useFileUpload.tsx b/projects/app/src/components/core/chat/ChatContainer/ChatBox/hooks/useFileUpload.tsx
index 20d76677e4..8d98f0f617 100644
--- a/projects/app/src/components/core/chat/ChatContainer/ChatBox/hooks/useFileUpload.tsx
+++ b/projects/app/src/components/core/chat/ChatContainer/ChatBox/hooks/useFileUpload.tsx
@@ -17,8 +17,6 @@ import { type OutLinkChatAuthProps } from '@fastgpt/global/support/permission/ch
 import { getPresignedChatFileGetUrl, getUploadChatFilePresignedUrl } from '@/web/common/file/api';
 import { getUploadFileType } from '@fastgpt/global/core/app/constants';
 import { putFileToS3 } from '@fastgpt/web/common/file/utils';
-import { WorkflowRuntimeContext } from '../../context/workflowRuntimeContext';
-import { useContextSelector } from 'use-context-selector';
 
 type UseFileUploadOptions = {
   fileSelectConfig: AppFileSelectConfigType;
@@ -35,10 +33,6 @@ export const useFileUpload = (props: UseFileUploadOptions) => {
   const { t } = useTranslation();
   const { feConfigs } = useSystemStore();
   const { teamPlanStatus } = useUserStore();
-  const runtimeFileSelectConfig = useContextSelector(
-    WorkflowRuntimeContext,
-    (v) => v.runtimeFileSelectConfig
-  );
 
   const {
     update: updateFiles,
@@ -196,7 +190,7 @@ export const useFileUpload = (props: UseFileUploadOptions) => {
             filename: copyFile.rawFile.name,
             appId,
             chatId,
-            fileSelectConfig: runtimeFileSelectConfig,
+            fileSelectConfig,
             outLinkAuthData
           });
 
@@ -242,10 +236,10 @@ export const useFileUpload = (props: UseFileUploadOptions) => {
     appId,
     chatId,
     fileList,
+    fileSelectConfig,
     outLinkAuthData,
     removeFiles,
     replaceFiles,
-    runtimeFileSelectConfig,
     t,
     toast,
     updateFiles
diff --git a/projects/app/src/components/core/chat/ChatContainer/PluginRunBox/context.tsx b/projects/app/src/components/core/chat/ChatContainer/PluginRunBox/context.tsx
index 7b0376b3f5..195c41b77f 100644
--- a/projects/app/src/components/core/chat/ChatContainer/PluginRunBox/context.tsx
+++ b/projects/app/src/components/core/chat/ChatContainer/PluginRunBox/context.tsx
@@ -294,7 +294,6 @@ const PluginRunContextProvider = ({
       appId={props.appId}
       chatId={props.chatId}
       outLinkAuthData={props.outLinkAuthData || {}}
-      runtimeFileSelectConfig={props.runtimeFileSelectConfig}
     >
       <PluginRunContext.Provider value={contextValue}>{children}</PluginRunContext.Provider>
     </WorkflowRuntimeContextProvider>
diff --git a/projects/app/src/components/core/chat/ChatContainer/PluginRunBox/type.ts b/projects/app/src/components/core/chat/ChatContainer/PluginRunBox/type.ts
index cfa8f8d2ba..15a7c365ae 100644
--- a/projects/app/src/components/core/chat/ChatContainer/PluginRunBox/type.ts
+++ b/projects/app/src/components/core/chat/ChatContainer/PluginRunBox/type.ts
@@ -5,7 +5,6 @@ import type { OutLinkChatAuthProps } from '@fastgpt/global/support/permission/ch
 import React from 'react';
 import type { onStartChatType } from '../type';
 import { ChatBoxInputFormType } from '../ChatBox/type';
-import type { AppFileSelectConfigType } from '@fastgpt/global/core/app/type/config.schema';
 
 export type PluginRunBoxProps = {
   appId: string;
@@ -15,5 +14,4 @@ export type PluginRunBoxProps = {
   onStartChat?: onStartChatType;
   onNewChat?: () => void;
   showTab?: PluginRunBoxTabEnum; // 如何设置了该字段，全局都 tab 不生效
-  runtimeFileSelectConfig?: AppFileSelectConfigType;
 };
diff --git a/projects/app/src/components/core/chat/ChatContainer/context/workflowRuntimeContext.tsx b/projects/app/src/components/core/chat/ChatContainer/context/workflowRuntimeContext.tsx
index 3ec135b0f4..4a07516608 100644
--- a/projects/app/src/components/core/chat/ChatContainer/context/workflowRuntimeContext.tsx
+++ b/projects/app/src/components/core/chat/ChatContainer/context/workflowRuntimeContext.tsx
@@ -1,5 +1,4 @@
 import type { OutLinkChatAuthProps } from '@fastgpt/global/support/permission/chat';
-import type { AppFileSelectConfigType } from '@fastgpt/global/core/app/type/config.schema';
 import { useMemoEnhance } from '@fastgpt/web/hooks/useMemoEnhance';
 import { useState } from 'react';
 import { createContext } from 'use-context-selector';
@@ -8,7 +7,6 @@ type WorkflowRuntimeContextType = {
   outLinkAuthData: OutLinkChatAuthProps;
   appId: string;
   chatId: string;
-  runtimeFileSelectConfig?: AppFileSelectConfigType;
 
   fileUploading: boolean;
   setFileUploadingCount: React.Dispatch<React.SetStateAction<number>>;
@@ -18,7 +16,6 @@ export const WorkflowRuntimeContext = createContext<WorkflowRuntimeContextType>(
   outLinkAuthData: {},
   appId: '',
   chatId: '',
-  runtimeFileSelectConfig: undefined,
   fileUploading: false,
   setFileUploadingCount: () => {}
 });
@@ -27,13 +24,11 @@ export const WorkflowRuntimeContextProvider = ({
   appId,
   chatId,
   outLinkAuthData,
-  runtimeFileSelectConfig,
   children
 }: {
   appId: string;
   chatId: string;
   outLinkAuthData: OutLinkChatAuthProps;
-  runtimeFileSelectConfig?: AppFileSelectConfigType;
   children: React.ReactNode;
 }) => {
   const [fileUploadingCount, setFileUploadingCount] = useState<number>(0);
@@ -44,11 +39,10 @@ export const WorkflowRuntimeContextProvider = ({
       outLinkAuthData,
       appId,
       chatId,
-      runtimeFileSelectConfig,
       fileUploading,
       setFileUploadingCount
     }),
-    [outLinkAuthData, appId, chatId, runtimeFileSelectConfig, fileUploading, setFileUploadingCount]
+    [outLinkAuthData, appId, chatId, fileUploading, setFileUploadingCount]
   );
 
   return (
diff --git a/projects/app/src/pageComponents/app/detail/useChatTest.tsx b/projects/app/src/pageComponents/app/detail/useChatTest.tsx
index 6df7d5d181..bff60a257b 100644
--- a/projects/app/src/pageComponents/app/detail/useChatTest.tsx
+++ b/projects/app/src/pageComponents/app/detail/useChatTest.tsx
@@ -158,7 +158,6 @@ export const useChatTest = ({
           chatId={chatId}
           onNewChat={restartChat}
           onStartChat={startChat}
-          runtimeFileSelectConfig={chatConfig.fileSelectConfig}
         />
       </Box>
     ) : (
diff --git a/projects/app/src/pageComponents/dashboard/skill/detail/preview/usePreviewFileUpload.tsx b/projects/app/src/pageComponents/dashboard/skill/detail/preview/usePreviewFileUpload.tsx
index d4248e8f1a..56c2b5c6d6 100644
--- a/projects/app/src/pageComponents/dashboard/skill/detail/preview/usePreviewFileUpload.tsx
+++ b/projects/app/src/pageComponents/dashboard/skill/detail/preview/usePreviewFileUpload.tsx
@@ -133,6 +133,11 @@ export const usePreviewFileUpload = ({ fileCtrl, appId, chatId }: UsePreviewFile
             filename: copyFile.rawFile.name,
             appId,
             chatId,
+            fileSelectConfig: {
+              maxFiles: maxSelectFiles,
+              canSelectFile: true,
+              canSelectImg: true
+            },
             outLinkAuthData: undefined
           });
 
@@ -171,7 +176,7 @@ export const usePreviewFileUpload = ({ fileCtrl, appId, chatId }: UsePreviewFile
     );
 
     removeFiles(errorIndexes);
-  }, [appId, chatId, fileList, removeFiles, replaceFiles, t, toast, updateFiles]);
+  }, [appId, chatId, fileList, maxSelectFiles, removeFiles, replaceFiles, t, toast, updateFiles]);
 
   const sortFileList = useMemo(
     () =>
diff --git a/projects/app/src/pages/api/core/chat/file/presignChatFilePostUrl.ts b/projects/app/src/pages/api/core/chat/file/presignChatFilePostUrl.ts
index 081f99330d..8ed2ef1381 100644
--- a/projects/app/src/pages/api/core/chat/file/presignChatFilePostUrl.ts
+++ b/projects/app/src/pages/api/core/chat/file/presignChatFilePostUrl.ts
@@ -3,16 +3,12 @@ import { NextAPI } from '@/service/middleware/entry';
 import type { CreatePostPresignedUrlResponseType } from '@fastgpt/global/common/file/s3/type';
 import { getS3ChatSource } from '@fastgpt/service/common/s3/sources/chat';
 import { getAllowedExtensionsFromFileSelectConfig } from '@fastgpt/service/common/s3/utils/uploadConstraints';
-import { MongoApp } from '@fastgpt/service/core/app/schema';
 import { authChatCrud } from '@/service/support/permission/auth/chat';
 import { authFrequencyLimit } from '@fastgpt/service/common/system/frequencyLimit/utils';
 import { addSeconds } from 'date-fns';
 import { PresignChatFilePostUrlSchema } from '@fastgpt/global/openapi/core/chat/file/api';
 import { getTeamPlanStatus } from '@fastgpt/service/support/wallet/sub/utils';
-import { authApp } from '@fastgpt/service/support/permission/app/auth';
-import { WritePermissionVal } from '@fastgpt/global/support/permission/constant';
 import { S3ErrEnum } from '@fastgpt/global/common/error/code/s3';
-import { MongoChatSetting } from '@fastgpt/service/core/chat/setting/schema';
 import { env } from '@fastgpt/service/env';
 
 async function handler(req: ApiRequestProps): Promise<CreatePostPresignedUrlResponseType> {
@@ -27,26 +23,8 @@ async function handler(req: ApiRequestProps): Promise<CreatePostPresignedUrlResp
     ...outLinkAuthData
   });
 
-  const [planStatus, app] = await Promise.all([
-    getTeamPlanStatus({ teamId }),
-    MongoApp.findById(appId, 'chatConfig.fileSelectConfig').lean()
-  ]);
-  const effectiveFileSelectConfig = fileSelectConfig
-    ? await (async () => {
-        const isHomeApp = await MongoChatSetting.exists({ teamId, appId });
-
-        if (!isHomeApp) {
-          await authApp({
-            req,
-            authToken: true,
-            appId,
-            per: WritePermissionVal
-          });
-        }
-        return fileSelectConfig;
-      })()
-    : app?.chatConfig?.fileSelectConfig;
-  const allowedExtensions = getAllowedExtensionsFromFileSelectConfig(effectiveFileSelectConfig);
+  const planStatus = await getTeamPlanStatus({ teamId });
+  const allowedExtensions = getAllowedExtensionsFromFileSelectConfig(fileSelectConfig);
 
   if (!env.SKIP_FILE_TYPE_CHECK && allowedExtensions.length === 0) {
     return Promise.reject(S3ErrEnum.fileUploadDisabled);
diff --git a/projects/app/test/pages/api/core/chat/file/presignChatFilePostUrl.test.ts b/projects/app/test/pages/api/core/chat/file/presignChatFilePostUrl.test.ts
new file mode 100644
index 0000000000..e22340a4a1
--- /dev/null
+++ b/projects/app/test/pages/api/core/chat/file/presignChatFilePostUrl.test.ts
@@ -0,0 +1,142 @@
+import { S3ErrEnum } from '@fastgpt/global/common/error/code/s3';
+import type { ApiRequestProps } from '@fastgpt/service/type/next';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+const mocks = vi.hoisted(() => ({
+  authChatCrud: vi.fn(),
+  getTeamPlanStatus: vi.fn(),
+  authFrequencyLimit: vi.fn(),
+  createUploadChatFileURL: vi.fn(),
+  findAppById: vi.fn(),
+  chatSettingExists: vi.fn(),
+  authApp: vi.fn()
+}));
+
+vi.mock('@/service/middleware/entry', () => ({
+  NextAPI: (handler: unknown) => handler
+}));
+
+vi.mock('@/service/support/permission/auth/chat', () => ({
+  authChatCrud: mocks.authChatCrud
+}));
+
+vi.mock('@fastgpt/service/support/wallet/sub/utils', () => ({
+  getTeamPlanStatus: mocks.getTeamPlanStatus
+}));
+
+vi.mock('@fastgpt/service/common/system/frequencyLimit/utils', () => ({
+  authFrequencyLimit: mocks.authFrequencyLimit
+}));
+
+vi.mock('@fastgpt/service/common/s3/sources/chat', () => ({
+  getS3ChatSource: () => ({
+    createUploadChatFileURL: mocks.createUploadChatFileURL
+  })
+}));
+
+vi.mock('@fastgpt/service/env', () => ({
+  env: {
+    SKIP_FILE_TYPE_CHECK: false
+  }
+}));
+
+vi.mock('@fastgpt/service/core/app/schema', () => ({
+  MongoApp: {
+    findById: mocks.findAppById
+  }
+}));
+
+vi.mock('@fastgpt/service/core/chat/setting/schema', () => ({
+  MongoChatSetting: {
+    exists: mocks.chatSettingExists
+  }
+}));
+
+vi.mock('@fastgpt/service/support/permission/app/auth', () => ({
+  authApp: mocks.authApp
+}));
+
+import handler from '@/pages/api/core/chat/file/presignChatFilePostUrl';
+
+const appId = '507f1f77bcf86cd799439011';
+const chatId = 'chat-id';
+const filename = 'demo.png';
+const presignHandler = handler as unknown as (req: ApiRequestProps) => Promise<unknown>;
+
+const callHandler = (body: Record<string, unknown>) =>
+  presignHandler({
+    body
+  } as ApiRequestProps);
+
+describe('presignChatFilePostUrl', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+
+    mocks.authChatCrud.mockResolvedValue({
+      teamId: 'team-id',
+      uid: 'user-id'
+    });
+    mocks.getTeamPlanStatus.mockResolvedValue({
+      standard: {
+        maxUploadFileCount: 20,
+        maxUploadFileSize: 15
+      }
+    });
+    mocks.createUploadChatFileURL.mockResolvedValue({
+      url: 'https://example.com/upload-token',
+      key: 'chat/app/user/chat/demo.png',
+      headers: {
+        'content-type': 'image/png'
+      },
+      maxSize: 15 * 1024 * 1024
+    });
+  });
+
+  it('uses request fileSelectConfig as upload constraints without reading app chatConfig', async () => {
+    await expect(
+      callHandler({
+        filename,
+        appId,
+        chatId,
+        fileSelectConfig: {
+          canSelectImg: true
+        }
+      })
+    ).resolves.toMatchObject({
+      url: 'https://example.com/upload-token'
+    });
+
+    expect(mocks.findAppById).not.toHaveBeenCalled();
+    expect(mocks.chatSettingExists).not.toHaveBeenCalled();
+    expect(mocks.authApp).not.toHaveBeenCalled();
+    expect(mocks.createUploadChatFileURL).toHaveBeenCalledWith(
+      expect.objectContaining({
+        appId,
+        chatId,
+        filename,
+        uId: 'user-id',
+        allowedExtensions: expect.arrayContaining([
+          '.jpg',
+          '.jpeg',
+          '.png',
+          '.gif',
+          '.bmp',
+          '.webp'
+        ])
+      })
+    );
+  });
+
+  it('rejects upload when fileSelectConfig does not enable any file type', async () => {
+    await expect(
+      callHandler({
+        filename,
+        appId,
+        chatId,
+        fileSelectConfig: {}
+      })
+    ).rejects.toBe(S3ErrEnum.fileUploadDisabled);
+
+    expect(mocks.createUploadChatFileURL).not.toHaveBeenCalled();
+  });
+});