diff --git a/apps/chrome-extension/src/scripts/copy-lark-docx-as-markdown.ts b/apps/chrome-extension/src/scripts/copy-lark-docx-as-markdown.ts
index cca66d8..0ad293a 100644
--- a/apps/chrome-extension/src/scripts/copy-lark-docx-as-markdown.ts
+++ b/apps/chrome-extension/src/scripts/copy-lark-docx-as-markdown.ts
@@ -20,6 +20,7 @@ const enum TranslationKey {
   UNKNOWN_ERROR = 'unknown_error',
   CONTENT_LOADING = 'content_loading',
   NOT_SUPPORT = 'not_support',
+  NOT_SUPPORT_DOC_1_0 = 'not_support_doc_1_0',
 }
 
 i18next
@@ -34,6 +35,8 @@ i18next
             'Part of the content is still loading and cannot be copied at the moment. Please wait for loading to complete and retry',
           [TranslationKey.NOT_SUPPORT]:
             'This is not a lark document page and cannot be copied as Markdown',
+          [TranslationKey.NOT_SUPPORT_DOC_1_0]:
+            'This is a old version lark document page and cannot be copied as Markdown',
         },
         ...en,
       },
@@ -45,6 +48,8 @@ i18next
             '部分内容仍在加载中，暂时无法复制。请等待加载完成后重试',
           [TranslationKey.NOT_SUPPORT]:
             '这不是一个飞书文档页面，无法复制为 Markdown',
+          [TranslationKey.NOT_SUPPORT_DOC_1_0]:
+            '这是一个旧版飞书文档页面，无法复制为 Markdown',
         },
         ...zh,
       },
@@ -53,7 +58,13 @@ i18next
   .catch(console.error)
 
 const main = async () => {
-  if (!docx.rootBlock) {
+  if (docx.isDoc) {
+    Toast.warning({ content: i18next.t(TranslationKey.NOT_SUPPORT_DOC_1_0) })
+
+    return
+  }
+
+  if (!docx.isDocx) {
     Toast.warning({ content: i18next.t(TranslationKey.NOT_SUPPORT) })
 
     return
diff --git a/apps/chrome-extension/src/scripts/download-lark-docx-as-markdown.ts b/apps/chrome-extension/src/scripts/download-lark-docx-as-markdown.ts
index 42bf02f..3498200 100644
--- a/apps/chrome-extension/src/scripts/download-lark-docx-as-markdown.ts
+++ b/apps/chrome-extension/src/scripts/download-lark-docx-as-markdown.ts
@@ -26,6 +26,7 @@ const enum TranslationKey {
   CONTENT_LOADING = 'content_loading',
   UNKNOWN_ERROR = 'unknown_error',
   NOT_SUPPORT = 'not_support',
+  NOT_SUPPORT_DOC_1_0 = 'not_support_doc_1_0',
   DOWNLOADING_FILE = 'downloading_file',
   FAILED_TO_DOWNLOAD = 'failed_to_download',
   DOWNLOAD_PROGRESS = 'download_progress',
@@ -53,6 +54,8 @@ i18next
           [TranslationKey.UNKNOWN_ERROR]: 'Unknown error during download',
           [TranslationKey.NOT_SUPPORT]:
             'This is not a lark document page and cannot be downloaded as Markdown',
+          [TranslationKey.NOT_SUPPORT_DOC_1_0]:
+            'This is a old version lark document page and cannot be downloaded as Markdown',
           [TranslationKey.DOWNLOADING_FILE]:
             'Download {{name}} in: {{progress}}% (please do not refresh or close the page)',
           [TranslationKey.FAILED_TO_DOWNLOAD]: 'Failed to download {{name}}',
@@ -75,6 +78,8 @@ i18next
           [TranslationKey.UNKNOWN_ERROR]: '下载过程中出现未知错误',
           [TranslationKey.NOT_SUPPORT]:
             '这不是一个飞书文档页面，无法下载为 Markdown',
+          [TranslationKey.NOT_SUPPORT_DOC_1_0]:
+            '这是一个旧版飞书文档页面，无法下载为 Markdown',
           [TranslationKey.DOWNLOADING_FILE]:
             '下载 {{name}} 中：{{progress}}%（请不要刷新或关闭页面）',
           [TranslationKey.FAILED_TO_DOWNLOAD]: '下载 {{name}} 失败',
@@ -516,7 +521,13 @@ const prepare = async (): Promise<PrepareResult> => {
 const main = async (options: { signal?: AbortSignal } = {}) => {
   const { signal } = options
 
-  if (!docx.rootBlock) {
+  if (docx.isDoc) {
+    Toast.warning({ content: i18next.t(TranslationKey.NOT_SUPPORT_DOC_1_0) })
+
+    throw new Error(DOWNLOAD_ABORTED)
+  }
+
+  if (!docx.isDocx) {
     Toast.warning({ content: i18next.t(TranslationKey.NOT_SUPPORT) })
 
     throw new Error(DOWNLOAD_ABORTED)
diff --git a/apps/chrome-extension/src/scripts/view-lark-docx-as-markdown.ts b/apps/chrome-extension/src/scripts/view-lark-docx-as-markdown.ts
index 0ebcb0c..6ed618c 100644
--- a/apps/chrome-extension/src/scripts/view-lark-docx-as-markdown.ts
+++ b/apps/chrome-extension/src/scripts/view-lark-docx-as-markdown.ts
@@ -20,6 +20,7 @@ const enum TranslationKey {
   UNKNOWN_ERROR = 'unknown_error',
   CONTENT_LOADING = 'content_loading',
   NOT_SUPPORT = 'not_support',
+  NOT_SUPPORT_DOC_1_0 = 'not_support_doc_1_0',
   FAILED_TO_OPEN_WINDOW = 'failed_to_open_window',
 }
 
@@ -35,6 +36,8 @@ i18next
             'Part of the content is still loading and cannot be copied at the moment. Please wait for loading to complete and retry',
           [TranslationKey.NOT_SUPPORT]:
             'This is not a lark document page and cannot be copied as Markdown',
+          [TranslationKey.NOT_SUPPORT_DOC_1_0]:
+            'This is a old version lark document page and cannot be copied as Markdown',
           [TranslationKey.FAILED_TO_OPEN_WINDOW]:
             'Failed to Open a new window to display markdown.',
         },
@@ -48,6 +51,8 @@ i18next
             '部分内容仍在加载中，暂时无法复制。请等待加载完成后重试',
           [TranslationKey.NOT_SUPPORT]:
             '这不是一个飞书文档页面，无法复制为 Markdown',
+          [TranslationKey.NOT_SUPPORT_DOC_1_0]:
+            '这是一个旧版飞书文档页面，无法复制为 Markdown',
           [TranslationKey.FAILED_TO_OPEN_WINDOW]:
             '无法打开新窗口以显示 Markdown',
         },
@@ -58,8 +63,15 @@ i18next
   .catch(console.error)
 
 const main = async () => {
-  if (!docx.rootBlock) {
+  if (docx.isDoc) {
+    Toast.warning({ content: i18next.t(TranslationKey.NOT_SUPPORT_DOC_1_0) })
+
+    return
+  }
+
+  if (!docx.isDocx) {
     Toast.warning({ content: i18next.t(TranslationKey.NOT_SUPPORT) })
+
     return
   }
 
@@ -67,6 +79,7 @@ const main = async () => {
     Toast.warning({
       content: i18next.t(TranslationKey.CONTENT_LOADING),
     })
+
     return
   }
 
diff --git a/packages/lark/src/docx.ts b/packages/lark/src/docx.ts
index 092cee7..216f505 100644
--- a/packages/lark/src/docx.ts
+++ b/packages/lark/src/docx.ts
@@ -14,7 +14,7 @@ import { gfmStrikethroughToMarkdown } from 'mdast-util-gfm-strikethrough'
 import { gfmTaskListItemToMarkdown } from 'mdast-util-gfm-task-list-item'
 import { gfmTableToMarkdown } from 'mdast-util-gfm-table'
 import { mathToMarkdown, type InlineMath } from 'mdast-util-math'
-import { PageMain, User } from './env'
+import { PageMain, User, isDoc, isDocx } from './env'
 import {
   isBlockquoteContent,
   isParent,
@@ -1547,6 +1547,14 @@ export class Docx {
     return false
   }
 
+  get isDocx(): boolean {
+    return isDocx()
+  }
+
+  get isDoc(): boolean {
+    return !isDocx() && isDoc()
+  }
+
   get rootBlock(): PageBlock | null {
     if (!PageMain) {
       return null
diff --git a/packages/lark/src/env.ts b/packages/lark/src/env.ts
index 498c69d..3fcc876 100644
--- a/packages/lark/src/env.ts
+++ b/packages/lark/src/env.ts
@@ -56,3 +56,6 @@ export interface PageMain {
 }
 
 export const PageMain: PageMain | undefined = window.PageMain
+
+export const isDoc = (): boolean => window.editor !== undefined
+export const isDocx = (): boolean => window.PageMain !== undefined
diff --git a/packages/lark/src/lark-env.d.ts b/packages/lark/src/lark-env.d.ts
index ac2ee29..7658d25 100644
--- a/packages/lark/src/lark-env.d.ts
+++ b/packages/lark/src/lark-env.d.ts
@@ -1,4 +1,5 @@
 interface Window {
+  editor?: Object
   PageMain?: import('./env').PageMain
   Toast?: import('./env').Toast
   User?: import('./env').User