diff --git a/src/main/server/file.ts b/src/main/server/file.ts
index 1e7be5f5..1ef76ca7 100644
--- a/src/main/server/file.ts
+++ b/src/main/server/file.ts
@@ -164,6 +164,21 @@ export function stat (repo: string, p: string) {
   }, p)
 }
 
+export function checkWriteable (repo: string, p: string) {
+  return withRepo(repo, async (_, targetPath) => {
+    if (readonly) {
+      return false
+    }
+
+    try {
+      await fs.access(targetPath, fs.constants.W_OK)
+      return true
+    } catch (error) {
+      return false
+    }
+  }, p)
+}
+
 export function write (repo: string, p: string, content: any): Promise<string> {
   if (readonly) throw new Error('Readonly')
 
diff --git a/src/main/server/index.ts b/src/main/server/index.ts
index 5f182c7f..dda4fa38 100644
--- a/src/main/server/index.ts
+++ b/src/main/server/index.ts
@@ -22,6 +22,7 @@ import config from '../config'
 import * as jwt from '../jwt'
 import { getAction } from '../action'
 import * as extension from '../extension'
+import type { FileReadResult } from '../../share/types'
 
 const isLocalhost = (address: string) => {
   return ip.isEqual(address, '127.0.0.1') || ip.isEqual(address, '::1')
@@ -122,11 +123,14 @@ const fileContent = async (ctx: any, next: any) => {
 
       const content = await file.read(repo, path)
 
-      ctx.body = result('ok', 'success', {
+      const data: FileReadResult = {
         content: content.toString(asBase64 ? 'base64' : undefined),
         hash: await file.hash(repo, path),
-        stat: await file.stat(repo, path)
-      })
+        stat: await file.stat(repo, path),
+        writeable: await file.checkWriteable(repo, path),
+      }
+
+      ctx.body = result('ok', 'success', data)
     } else if (ctx.method === 'POST') {
       const { oldHash, content, asBase64, repo, path } = ctx.request.body
 
diff --git a/src/renderer/components/DefaultEditor.vue b/src/renderer/components/DefaultEditor.vue
index e452b34c..6432cf21 100644
--- a/src/renderer/components/DefaultEditor.vue
+++ b/src/renderer/components/DefaultEditor.vue
@@ -110,7 +110,7 @@ export default defineComponent({
 
       await nextTick()
       getEditor().updateOptions({
-        readOnly: FLAG_READONLY || !current || !current.plain
+        readOnly: FLAG_READONLY || !current || !current.plain || current.writeable === false
       })
 
       if (isDefault()) {
diff --git a/src/renderer/components/FileTabs.vue b/src/renderer/components/FileTabs.vue
index 10451d6b..68946836 100644
--- a/src/renderer/components/FileTabs.vue
+++ b/src/renderer/components/FileTabs.vue
@@ -338,11 +338,13 @@ export default defineComponent({
 
     const fileTabs = computed(() => (tabs.value as Components.FileTabs.Item[]).map(tab => {
       if (currentFile.value && tab.key === toUri(currentFile.value)) {
-        const status = currentFile.value.status
+        const { status, writeable } = currentFile.value
 
         let mark = ''
         if (!isSaved.value) {
           mark = '*'
+        } else if (writeable === false) {
+          mark = '🔒'
         } else if (status === 'saved') {
           mark = ''
         } else if (status === 'save-failed') {
diff --git a/src/renderer/plugins/editor-markdown.ts b/src/renderer/plugins/editor-markdown.ts
index abb3fa36..ce8ba514 100644
--- a/src/renderer/plugins/editor-markdown.ts
+++ b/src/renderer/plugins/editor-markdown.ts
@@ -3,6 +3,7 @@ import dayjs from 'dayjs'
 import { getEditor, getOneIndent, insert, whenEditorReady } from '@fe/services/editor'
 import type { Plugin } from '@fe/context'
 import { t } from '@fe/services/i18n'
+import type { IMarkdownString } from 'monaco-editor'
 
 export default {
   name: 'editor-markdown',
@@ -37,6 +38,8 @@ export default {
     const idRevealLineInPreview = 'plugin.editor.reveal-line-in-preview'
     const idForceInsertNewLine = 'plugin.editor.force-insert-new-line'
     const idForceInsertIndent = 'plugin.editor.force-insert-indent'
+    const idRevealCurrentFileInOS = 'plugin.editor.reveal-current-file-in-os'
+    const idRefreshCurrentDoc = 'plugin.editor.refresh-current-document'
 
     whenEditorReady().then(({ editor, monaco }) => {
       const KM = monaco.KeyMod
@@ -110,6 +113,44 @@ export default {
       editor.onDidCompositionEnd(() => {
         ctx.store.state.inComposition = false
       })
+
+      const messageContribution: any = editor.getContribution('editor.contrib.messageController')
+      editor.onDidAttemptReadOnlyEdit(() => {
+        const currentFile = ctx.store.state.currentFile
+        const cmdRevealCurrentFile = `command:vs.editor.ICodeEditor:1:${idRevealCurrentFileInOS}`
+        const cmdRefreshCurrentDoc = `command:vs.editor.ICodeEditor:1:${idRefreshCurrentDoc}`
+        const message =
+          ctx.args.FLAG_READONLY
+            ? ctx.i18n.t('read-only-mode-desc')
+            : !currentFile
+                ? ctx.i18n.t('file-status.no-file')
+                : currentFile.writeable === false
+                  ? {
+                    value: ctx.i18n.t('file-readonly-desc', cmdRevealCurrentFile, cmdRefreshCurrentDoc),
+                    isTrusted: true,
+                  } as IMarkdownString
+                  : ctx.i18n.t('can-not-edit-this-file-type')
+        messageContribution.showMessage(message, editor.getPosition())
+      })
+
+      editor.addAction({
+        id: idRevealCurrentFileInOS,
+        label: ctx.i18n.t('editor.action-label.reveal-current-file-in-os'),
+        run () {
+          const filePath = ctx.store.state.currentFile?.absolutePath
+          if (filePath) {
+            ctx.base.showItemInFolder(filePath)
+          }
+        }
+      })
+
+      editor.addAction({
+        id: idRefreshCurrentDoc,
+        label: ctx.i18n.t('editor.action-label.refresh-current-document'),
+        run () {
+          ctx.view.refresh()
+        }
+      })
     })
 
     ctx.statusBar.tapMenus(menus => {
diff --git a/src/renderer/services/document.ts b/src/renderer/services/document.ts
index 30648aa1..3e4ae8e3 100644
--- a/src/renderer/services/document.ts
+++ b/src/renderer/services/document.ts
@@ -10,7 +10,7 @@ import * as crypto from '@fe/utils/crypto'
 import { useModal } from '@fe/support/ui/modal'
 import { useToast } from '@fe/support/ui/toast'
 import store from '@fe/support/store'
-import { DocType, type Doc, type DocCategory, type PathItem, type SwitchDocOpts } from '@fe/types'
+import type { DocType, FileStat, Doc, DocCategory, PathItem, SwitchDocOpts } from '@fe/types'
 import { basename, dirname, extname, isBelongTo, join, normalizeSep, relative, resolve } from '@fe/utils/path'
 import { getActionHandler } from '@fe/core/action'
 import { triggerHook } from '@fe/core/hook'
@@ -717,7 +717,8 @@ async function _switchDoc (doc: Doc | null, opts?: SwitchDocOpts): Promise<void>
 
     let content = ''
     let hash = ''
-    let stat
+    let stat: FileStat | undefined
+    let writeable: boolean | undefined
     if (doc.plain) {
       const timer = setTimeout(() => {
         store.state.currentFile = { ...doc!, status: undefined }
@@ -730,6 +731,7 @@ async function _switchDoc (doc: Doc | null, opts?: SwitchDocOpts): Promise<void>
       content = res.content
       hash = res.hash
       stat = res.stat
+      writeable = res.writeable
     }
 
     // decrypt content.
@@ -744,6 +746,7 @@ async function _switchDoc (doc: Doc | null, opts?: SwitchDocOpts): Promise<void>
     store.state.currentFile = {
       ...doc,
       stat,
+      writeable,
       content,
       passwordHash,
       contentHash: hash,
diff --git a/src/renderer/services/editor.ts b/src/renderer/services/editor.ts
index 08cd64a6..198a25e4 100644
--- a/src/renderer/services/editor.ts
+++ b/src/renderer/services/editor.ts
@@ -1,6 +1,5 @@
 import type * as Monaco from 'monaco-editor'
 import { cloneDeep, debounce } from 'lodash-es'
-import { FLAG_READONLY } from '@fe/support/args'
 import { isElectron, isMacOS } from '@fe/support/env'
 import { registerHook, triggerHook } from '@fe/core/hook'
 import { getActionHandler, registerAction } from '@fe/core/action'
@@ -79,7 +78,6 @@ export const getDefaultOptions = (): Monaco.editor.IStandaloneEditorConstruction
     vertical: 'hidden',
     verticalScrollbarSize: 0
   } : undefined,
-  readOnly: FLAG_READONLY,
   acceptSuggestionOnEnter: 'smart',
   unicodeHighlight: {
     ambiguousCharacters: false,
diff --git a/src/renderer/support/api.ts b/src/renderer/support/api.ts
index d5507a55..c7edca68 100644
--- a/src/renderer/support/api.ts
+++ b/src/renderer/support/api.ts
@@ -1,7 +1,7 @@
 import type { Stats } from 'fs'
 import type { WatchOptions } from 'chokidar'
 import type { IProgressMessage, ISerializedFileMatch, ISerializedSearchSuccess, ITextQuery } from 'ripgrep-wrapper'
-import type { Components, Doc, ExportType, FileItem, FileSort, FileStat, PathItem } from '@fe/types'
+import type { Components, Doc, ExportType, FileItem, FileReadResult, FileSort, FileStat, PathItem } from '@fe/types'
 import { isElectron } from '@fe/support/env'
 import { HELP_REPO_NAME, JWT_TOKEN } from './args'
 
@@ -92,7 +92,7 @@ export async function proxyFetch (url: string, init?: Omit<RequestInit, 'body'>
  */
 async function fetchHelpContent (docName: string) {
   const result = await fetchHttp('/api/help?doc=' + docName)
-  return { content: result.data.content, hash: '', stat: { mtime: 0, birthtime: 0, size: 0 } }
+  return { content: result.data.content, hash: '', stat: { mtime: 0, birthtime: 0, size: 0 }, writeable: true }
 }
 
 /**
@@ -101,7 +101,7 @@ async function fetchHelpContent (docName: string) {
  * @param asBase64
  * @returns
  */
-export async function readFile (file: PathItem, asBase64 = false): Promise<{content: string, hash: string, stat: FileStat}> {
+export async function readFile (file: PathItem, asBase64 = false): Promise<FileReadResult> {
   const { path, repo } = file
 
   if (repo === HELP_REPO_NAME) {
diff --git a/src/share/i18n/languages/en.ts b/src/share/i18n/languages/en.ts
index a27b2b20..438d4f65 100644
--- a/src/share/i18n/languages/en.ts
+++ b/src/share/i18n/languages/en.ts
@@ -41,6 +41,9 @@ const data = {
   'switch-repo-n': 'Switch to the repository [%s]',
   'switch-the-last-repo': 'Switch to the last repository',
   'edit-or-generate-text-using-ai': 'Edit or generate text using AI',
+  'file-readonly-desc': 'The file is read-only. You can [change to writable](%s) in the system and then [refresh](%s) the document to edit.',
+  'can-not-edit-this-file-type': 'Cannot edit this file type',
+  'read-only-mode-desc': 'The application is currently in read-only mode and cannot be edited.',
   'premium': {
     'confetti': 'Confetti',
     'need-purchase': '[%s] Premium is required',
@@ -484,6 +487,10 @@ const data = {
     },
     'switch-editor': 'Switch Editor',
     'default-editor': 'Default Editor',
+    'action-label': {
+      'reveal-current-file-in-os': 'Reveal Current File in OS',
+      'refresh-current-document': 'Refresh Current Document',
+    },
   },
   'previewer': {
     'default-previewer': 'Default Previewer',
diff --git a/src/share/i18n/languages/zh-CN.ts b/src/share/i18n/languages/zh-CN.ts
index f2936a47..fc9cbaca 100644
--- a/src/share/i18n/languages/zh-CN.ts
+++ b/src/share/i18n/languages/zh-CN.ts
@@ -42,6 +42,9 @@ const data: BaseLanguage = {
   'switch-repo-n': '切换到仓库 %s',
   'switch-the-last-repo': '切换到最后一个仓库',
   'edit-or-generate-text-using-ai': '使用 AI Copilot 编辑或生成文字',
+  'file-readonly-desc': '当前文件只读，如需编辑请先在系统中[改为可写](%s)，然后[刷新](%s)当前文档。',
+  'can-not-edit-this-file-type': '不能编辑此类型文件',
+  'read-only-mode-desc': '当前是只读模式，不可编辑',
   'premium': {
     'confetti': '彩色纸屑',
     'need-purchase': '[%s] 需要高级版',
@@ -485,6 +488,10 @@ const data: BaseLanguage = {
     },
     'switch-editor': '切换编辑器',
     'default-editor': '默认编辑器',
+    'action-label': {
+      'reveal-current-file-in-os': '在系统中显示当前文件',
+      'refresh-current-document': '刷新当前文档',
+    },
   },
   'previewer': {
     'default-previewer': '默认预览器',
diff --git a/src/share/i18n/languages/zh-TW.ts b/src/share/i18n/languages/zh-TW.ts
index 79d20786..8187ce47 100644
--- a/src/share/i18n/languages/zh-TW.ts
+++ b/src/share/i18n/languages/zh-TW.ts
@@ -42,6 +42,9 @@ const data: BaseLanguage = {
   'switch-repo-n': '切換到仓库 %s',
   'switch-the-last-repo': '切換到最後一個仓库',
   'edit-or-generate-text-using-ai': '使用 AI Copilot 編輯或生成文本',
+  'file-readonly-desc': '當前文件是唯讀的。如需編輯，請先在系統中[更改為可寫](%s)，然後[刷新](%s)當前文檔。',
+  'can-not-edit-this-file-type': '不能編輯此類型的文件',
+  'read-only-mode-desc': '當前應用處於唯讀模式，不可編輯',
   'premium': {
     'confetti': '彩色紙屑',
     'need-purchase': '[%s] 需高級版',
@@ -485,6 +488,10 @@ const data: BaseLanguage = {
     },
     'switch-editor': '切換編輯器',
     'default-editor': '默認編輯器',
+    'action-label': {
+      'reveal-current-file-in-os': '在系統中顯示當前文件',
+      'refresh-current-document': '刷新當前文件',
+    }
   },
   'previewer': {
     'default-previewer': '預設預覽器',
diff --git a/src/share/types.ts b/src/share/types.ts
index e5599c9e..c074a20e 100644
--- a/src/share/types.ts
+++ b/src/share/types.ts
@@ -11,6 +11,13 @@ export interface FileStat {
   size: number,
 }
 
+export interface FileReadResult {
+  content: string,
+  stat: FileStat,
+  hash: string,
+  writeable: boolean,
+}
+
 export interface Doc extends PathItem {
   type: 'file' | 'dir';
   name: string;
@@ -19,6 +26,7 @@ export interface Doc extends PathItem {
   passwordHash?: string;
   contentHash?: string;
   stat?: FileStat,
+  writeable?: boolean,
   status?: 'loaded' | 'save-failed' | 'saved' | 'unsaved';
   absolutePath?: string,
   plain?: boolean;