diff --git a/src/main/services/BackupManager.ts b/src/main/services/BackupManager.ts
index 6087cb6a2a..2b607cb51a 100644
--- a/src/main/services/BackupManager.ts
+++ b/src/main/services/BackupManager.ts
@@ -321,14 +321,22 @@ class BackupManager {
   async backupToWebdav(_: Electron.IpcMainInvokeEvent, data: string, webdavConfig: WebDavConfig) {
     const filename = webdavConfig.fileName || 'cherry-studio.backup.zip'
     const backupedFilePath = await this.backup(_, filename, data, undefined, webdavConfig.skipBackupFile)
-    const contentLength = (await fs.stat(backupedFilePath)).size
     const webdavClient = new WebDav(webdavConfig)
     try {
-      const result = await webdavClient.putFileContents(filename, fs.createReadStream(backupedFilePath), {
-        overwrite: true,
-        contentLength
-      })
-      // 上传成功后删除本地备份文件
+      let result
+      if (webdavConfig.disableStream) {
+        const fileContent = await fs.readFile(backupedFilePath)
+        result = await webdavClient.putFileContents(filename, fileContent, {
+          overwrite: true
+        })
+      } else {
+        const contentLength = (await fs.stat(backupedFilePath)).size
+        result = await webdavClient.putFileContents(filename, fs.createReadStream(backupedFilePath), {
+          overwrite: true,
+          contentLength
+        })
+      }
+
       await fs.remove(backupedFilePath)
       return result
     } catch (error) {
diff --git a/src/renderer/src/components/WebdavBackupManager.tsx b/src/renderer/src/components/WebdavBackupManager.tsx
index a434e3c63d..f0f2930686 100644
--- a/src/renderer/src/components/WebdavBackupManager.tsx
+++ b/src/renderer/src/components/WebdavBackupManager.tsx
@@ -27,6 +27,7 @@ interface WebdavBackupManagerProps {
     webdavUser?: string
     webdavPass?: string
     webdavPath?: string
+    webdavDisableStream?: boolean
   }
   restoreMethod?: (fileName: string) => Promise<void>
 }
diff --git a/src/renderer/src/i18n/locales/en-us.json b/src/renderer/src/i18n/locales/en-us.json
index 301f97505f..db307f3b8f 100644
--- a/src/renderer/src/i18n/locales/en-us.json
+++ b/src/renderer/src/i18n/locales/en-us.json
@@ -1676,7 +1676,11 @@
           "syncError": "Backup Error",
           "syncStatus": "Backup Status",
           "title": "WebDAV",
-          "user": "WebDAV User"
+          "user": "WebDAV User",
+          "disableStream": {
+            "title": "Disable Stream Upload",
+            "help": "When enabled, loads the file into memory before uploading. This can solve incompatibility issues with some WebDAV servers that do not support chunked uploads, but it will increase memory usage."
+          }
         },
         "yuque": {
           "check": {
diff --git a/src/renderer/src/i18n/locales/ja-jp.json b/src/renderer/src/i18n/locales/ja-jp.json
index 13f55bac96..db0ef19f87 100644
--- a/src/renderer/src/i18n/locales/ja-jp.json
+++ b/src/renderer/src/i18n/locales/ja-jp.json
@@ -1676,7 +1676,11 @@
           "syncError": "バックアップエラー",
           "syncStatus": "バックアップ状態",
           "title": "WebDAV",
-          "user": "WebDAVユーザー"
+          "user": "WebDAVユーザー",
+          "disableStream": {
+            "title": "ストリーミングアップロードを無効にする",
+            "help": "有効にすると、アップロード前にファイルがメモリに読み込まれます。これにより、チャンクアップロードをサポートしていない一部のWebDAVサーバーとの互換性の問題を解決できますが、メモリ使用量が増加します。"
+          }
         },
         "yuque": {
           "check": {
diff --git a/src/renderer/src/i18n/locales/ru-ru.json b/src/renderer/src/i18n/locales/ru-ru.json
index a59b9d6581..476d4a8836 100644
--- a/src/renderer/src/i18n/locales/ru-ru.json
+++ b/src/renderer/src/i18n/locales/ru-ru.json
@@ -1676,7 +1676,11 @@
           "syncError": "Ошибка резервного копирования",
           "syncStatus": "Статус резервного копирования",
           "title": "WebDAV",
-          "user": "Пользователь WebDAV"
+          "user": "Пользователь WebDAV",
+          "disableStream": {
+            "title": "Отключить потоковую загрузку",
+            "help": "При включении файл загружается в память перед отправкой. Это может решить проблемы совместимости с некоторыми серверами WebDAV, не поддерживающими фрагментированную (chunked) загрузку, но увеличит потребление памяти."
+          }
         },
         "yuque": {
           "check": {
diff --git a/src/renderer/src/i18n/locales/zh-cn.json b/src/renderer/src/i18n/locales/zh-cn.json
index 52fea95ad0..97c5588786 100644
--- a/src/renderer/src/i18n/locales/zh-cn.json
+++ b/src/renderer/src/i18n/locales/zh-cn.json
@@ -1676,7 +1676,11 @@
           "syncError": "备份错误",
           "syncStatus": "备份状态",
           "title": "WebDAV",
-          "user": "WebDAV 用户名"
+          "user": "WebDAV 用户名",
+          "disableStream": {
+            "title": "禁用流式上传",
+            "help": "开启后，将文件加载到内存中再上传，可解决部分WebDAV服务不兼容chunked上传的问题，但会增加内存占用。"
+          }
         },
         "yuque": {
           "check": {
diff --git a/src/renderer/src/i18n/locales/zh-tw.json b/src/renderer/src/i18n/locales/zh-tw.json
index 21c937d2d5..621dc137e6 100644
--- a/src/renderer/src/i18n/locales/zh-tw.json
+++ b/src/renderer/src/i18n/locales/zh-tw.json
@@ -1676,7 +1676,11 @@
           "syncError": "備份錯誤",
           "syncStatus": "備份狀態",
           "title": "WebDAV",
-          "user": "WebDAV 使用者名稱"
+          "user": "WebDAV 使用者名稱",
+          "disableStream": {
+            "title": "禁用串流上傳",
+            "help": "開啟後，將檔案載入到記憶體中再上傳，可解決部分 WebDAV 服務不相容 chunked 上傳的問題，但會增加記憶體佔用。"
+          }
         },
         "yuque": {
           "check": {
diff --git a/src/renderer/src/pages/settings/DataSettings/WebDavSettings.tsx b/src/renderer/src/pages/settings/DataSettings/WebDavSettings.tsx
index 7f42c9fe30..a791922a4d 100644
--- a/src/renderer/src/pages/settings/DataSettings/WebDavSettings.tsx
+++ b/src/renderer/src/pages/settings/DataSettings/WebDavSettings.tsx
@@ -9,6 +9,7 @@ import { startAutoSync, stopAutoSync } from '@renderer/services/BackupService'
 import { useAppDispatch, useAppSelector } from '@renderer/store'
 import {
   setWebdavAutoSync,
+  setWebdavDisableStream as _setWebdavDisableStream,
   setWebdavHost as _setWebdavHost,
   setWebdavMaxBackups as _setWebdavMaxBackups,
   setWebdavPass as _setWebdavPass,
@@ -32,7 +33,8 @@ const WebDavSettings: FC = () => {
     webdavPath: webDAVPath,
     webdavSyncInterval: webDAVSyncInterval,
     webdavMaxBackups: webDAVMaxBackups,
-    webdavSkipBackupFile: webdDAVSkipBackupFile
+    webdavSkipBackupFile: webdDAVSkipBackupFile,
+    webdavDisableStream: webDAVDisableStream
   } = useSettings()
 
   const [webdavHost, setWebdavHost] = useState<string | undefined>(webDAVHost)
@@ -40,6 +42,7 @@ const WebDavSettings: FC = () => {
   const [webdavPass, setWebdavPass] = useState<string | undefined>(webDAVPass)
   const [webdavPath, setWebdavPath] = useState<string | undefined>(webDAVPath)
   const [webdavSkipBackupFile, setWebdavSkipBackupFile] = useState<boolean>(webdDAVSkipBackupFile)
+  const [webdavDisableStream, setWebdavDisableStream] = useState<boolean>(webDAVDisableStream)
   const [backupManagerVisible, setBackupManagerVisible] = useState(false)
 
   const [syncInterval, setSyncInterval] = useState<number>(webDAVSyncInterval)
@@ -76,6 +79,11 @@ const WebDavSettings: FC = () => {
     dispatch(_setWebdavSkipBackupFile(value))
   }
 
+  const onDisableStreamChange = (value: boolean) => {
+    setWebdavDisableStream(value)
+    dispatch(_setWebdavDisableStream(value))
+  }
+
   const renderSyncStatus = () => {
     if (!webdavHost) return null
 
@@ -220,6 +228,14 @@ const WebDavSettings: FC = () => {
       <SettingRow>
         <SettingHelpText>{t('settings.data.backup.skip_file_data_help')}</SettingHelpText>
       </SettingRow>
+      <SettingDivider />
+      <SettingRow>
+        <SettingRowTitle>{t('settings.data.webdav.disableStream.title')}</SettingRowTitle>
+        <Switch checked={webdavDisableStream} onChange={onDisableStreamChange} />
+      </SettingRow>
+      <SettingRow>
+        <SettingHelpText>{t('settings.data.webdav.disableStream.help')}</SettingHelpText>
+      </SettingRow>
       {webdavSync && syncInterval > 0 && (
         <>
           <SettingDivider />
@@ -246,7 +262,8 @@ const WebDavSettings: FC = () => {
             webdavHost,
             webdavUser,
             webdavPass,
-            webdavPath
+            webdavPath,
+            webdavDisableStream
           }}
         />
       </>
diff --git a/src/renderer/src/services/BackupService.ts b/src/renderer/src/services/BackupService.ts
index 74cd253679..a165e9f27a 100644
--- a/src/renderer/src/services/BackupService.ts
+++ b/src/renderer/src/services/BackupService.ts
@@ -154,8 +154,15 @@ export async function backupToWebdav({
 
   store.dispatch(setWebDAVSyncState({ syncing: true, lastSyncError: null }))
 
-  const { webdavHost, webdavUser, webdavPass, webdavPath, webdavMaxBackups, webdavSkipBackupFile } =
-    store.getState().settings
+  const {
+    webdavHost,
+    webdavUser,
+    webdavPass,
+    webdavPath,
+    webdavMaxBackups,
+    webdavSkipBackupFile,
+    webdavDisableStream
+  } = store.getState().settings
   let deviceType = 'unknown'
   let hostname = 'unknown'
   try {
@@ -177,7 +184,8 @@ export async function backupToWebdav({
       webdavPass,
       webdavPath,
       fileName: finalFileName,
-      skipBackupFile: webdavSkipBackupFile
+      skipBackupFile: webdavSkipBackupFile,
+      disableStream: webdavDisableStream
     })
     if (success) {
       store.dispatch(
diff --git a/src/renderer/src/store/migrate.ts b/src/renderer/src/store/migrate.ts
index 48eb12b039..0bb1d9f6fe 100644
--- a/src/renderer/src/store/migrate.ts
+++ b/src/renderer/src/store/migrate.ts
@@ -1799,6 +1799,16 @@ const migrateConfig = {
     } catch (error) {
       return state
     }
+  },
+  '122': (state: RootState) => {
+    try {
+      if (state.settings && typeof state.settings.webdavDisableStream === 'undefined') {
+        state.settings.webdavDisableStream = false
+      }
+      return state
+    } catch (error) {
+      return state
+    }
   }
 }
 
diff --git a/src/renderer/src/store/settings.ts b/src/renderer/src/store/settings.ts
index be1fe8a794..1d30d9d9fa 100644
--- a/src/renderer/src/store/settings.ts
+++ b/src/renderer/src/store/settings.ts
@@ -112,6 +112,7 @@ export interface SettingsState {
   webdavSyncInterval: number
   webdavMaxBackups: number
   webdavSkipBackupFile: boolean
+  webdavDisableStream: boolean
   translateModelPrompt: string
   autoTranslateWithSpace: boolean
   showTranslateConfirm: boolean
@@ -273,6 +274,7 @@ export const initialState: SettingsState = {
   webdavSyncInterval: 0,
   webdavMaxBackups: 0,
   webdavSkipBackupFile: false,
+  webdavDisableStream: false,
   translateModelPrompt: TRANSLATE_PROMPT,
   autoTranslateWithSpace: false,
   showTranslateConfirm: true,
@@ -501,6 +503,9 @@ const settingsSlice = createSlice({
     setWebdavSkipBackupFile: (state, action: PayloadAction<boolean>) => {
       state.webdavSkipBackupFile = action.payload
     },
+    setWebdavDisableStream: (state, action: PayloadAction<boolean>) => {
+      state.webdavDisableStream = action.payload
+    },
     setCodeExecution: (state, action: PayloadAction<{ enabled?: boolean; timeoutMinutes?: number }>) => {
       if (action.payload.enabled !== undefined) {
         state.codeExecution.enabled = action.payload.enabled
@@ -801,6 +806,7 @@ export const {
   setWebdavSyncInterval,
   setWebdavMaxBackups,
   setWebdavSkipBackupFile,
+  setWebdavDisableStream,
   setCodeExecution,
   setCodeEditor,
   setCodePreview,
diff --git a/src/renderer/src/types/index.ts b/src/renderer/src/types/index.ts
index 3d6fb827b6..633a17dd1d 100644
--- a/src/renderer/src/types/index.ts
+++ b/src/renderer/src/types/index.ts
@@ -356,6 +356,7 @@ export type WebDavConfig = {
   webdavPath?: string
   fileName?: string
   skipBackupFile?: boolean
+  disableStream?: boolean
 }
 
 export type AppInfo = {