diff --git a/packages/backend/server/src/core/doc-service/controller.ts b/packages/backend/server/src/core/doc-service/controller.ts
index 16bdfb0ee2..051f1fcf3c 100644
--- a/packages/backend/server/src/core/doc-service/controller.ts
+++ b/packages/backend/server/src/core/doc-service/controller.ts
@@ -47,9 +47,14 @@ export class DocRpcController {
   @Get('/workspaces/:workspaceId/docs/:docId/markdown')
   async getDocMarkdown(
     @Param('workspaceId') workspaceId: string,
-    @Param('docId') docId: string
+    @Param('docId') docId: string,
+    @Query('aiEditable') aiEditable?: string
   ) {
-    const result = await this.docReader.getDocMarkdown(workspaceId, docId);
+    const result = await this.docReader.getDocMarkdown(
+      workspaceId,
+      docId,
+      aiEditable === 'true'
+    );
     if (!result) {
       throw new NotFound('Doc not found');
     }
diff --git a/packages/backend/server/src/core/doc/__tests__/reader-from-database.spec.ts b/packages/backend/server/src/core/doc/__tests__/reader-from-database.spec.ts
index e672aedf0e..4294c7a7bd 100644
--- a/packages/backend/server/src/core/doc/__tests__/reader-from-database.spec.ts
+++ b/packages/backend/server/src/core/doc/__tests__/reader-from-database.spec.ts
@@ -269,7 +269,11 @@ test('should return doc markdown success', async t => {
     user,
   });
 
-  const result = await docReader.getDocMarkdown(workspace.id, docSnapshot.id);
+  const result = await docReader.getDocMarkdown(
+    workspace.id,
+    docSnapshot.id,
+    false
+  );
   t.snapshot(result);
 });
 
@@ -279,6 +283,10 @@ test('should read markdown return null when doc not exists', async t => {
     name: '',
   });
 
-  const result = await docReader.getDocMarkdown(workspace.id, randomUUID());
+  const result = await docReader.getDocMarkdown(
+    workspace.id,
+    randomUUID(),
+    false
+  );
   t.is(result, null);
 });
diff --git a/packages/backend/server/src/core/doc/__tests__/reader-from-rpc.spec.ts b/packages/backend/server/src/core/doc/__tests__/reader-from-rpc.spec.ts
index 005ff18fcc..cd47a6b260 100644
--- a/packages/backend/server/src/core/doc/__tests__/reader-from-rpc.spec.ts
+++ b/packages/backend/server/src/core/doc/__tests__/reader-from-rpc.spec.ts
@@ -389,7 +389,11 @@ test('should return doc markdown success', async t => {
     user,
   });
 
-  const result = await docReader.getDocMarkdown(workspace.id, docSnapshot.id);
+  const result = await docReader.getDocMarkdown(
+    workspace.id,
+    docSnapshot.id,
+    false
+  );
   t.snapshot(result);
 });
 
@@ -401,6 +405,10 @@ test('should read markdown return null when doc not exists', async t => {
     name: '',
   });
 
-  const result = await docReader.getDocMarkdown(workspace.id, randomUUID());
+  const result = await docReader.getDocMarkdown(
+    workspace.id,
+    randomUUID(),
+    false
+  );
   t.is(result, null);
 });
diff --git a/packages/backend/server/src/core/doc/reader.ts b/packages/backend/server/src/core/doc/reader.ts
index 2c6da66edf..f7cf85e249 100644
--- a/packages/backend/server/src/core/doc/reader.ts
+++ b/packages/backend/server/src/core/doc/reader.ts
@@ -67,7 +67,8 @@ export abstract class DocReader {
 
   abstract getDocMarkdown(
     workspaceId: string,
-    docId: string
+    docId: string,
+    aiEditable: boolean
   ): Promise<DocMarkdown | null>;
 
   abstract getDocDiff(
@@ -184,13 +185,19 @@ export class DatabaseDocReader extends DocReader {
 
   async getDocMarkdown(
     workspaceId: string,
-    docId: string
+    docId: string,
+    aiEditable: boolean
   ): Promise<DocMarkdown | null> {
     const doc = await this.workspace.getDoc(workspaceId, docId);
     if (!doc) {
       return null;
     }
-    return parseDocToMarkdownFromDocSnapshot(workspaceId, docId, doc.bin);
+    return parseDocToMarkdownFromDocSnapshot(
+      workspaceId,
+      docId,
+      doc.bin,
+      aiEditable
+    );
   }
 
   async getDocDiff(
@@ -328,9 +335,10 @@ export class RpcDocReader extends DatabaseDocReader {
 
   override async getDocMarkdown(
     workspaceId: string,
-    docId: string
+    docId: string,
+    aiEditable: boolean
   ): Promise<DocMarkdown | null> {
-    const url = `${this.config.docService.endpoint}/rpc/workspaces/${workspaceId}/docs/${docId}/markdown`;
+    const url = `${this.config.docService.endpoint}/rpc/workspaces/${workspaceId}/docs/${docId}/markdown?aiEditable=${aiEditable}`;
     const accessToken = this.crypto.sign(docId);
     try {
       const res = await this.fetch(accessToken, url, 'GET');
@@ -349,7 +357,7 @@ export class RpcDocReader extends DatabaseDocReader {
         err
       );
       // fallback to database doc reader if the error is not user friendly, like network error
-      return await super.getDocMarkdown(workspaceId, docId);
+      return await super.getDocMarkdown(workspaceId, docId, aiEditable);
     }
   }
 
diff --git a/packages/backend/server/src/plugins/copilot/tools/doc-edit.ts b/packages/backend/server/src/plugins/copilot/tools/doc-edit.ts
index 68022db3fb..38be545d59 100644
--- a/packages/backend/server/src/plugins/copilot/tools/doc-edit.ts
+++ b/packages/backend/server/src/plugins/copilot/tools/doc-edit.ts
@@ -16,8 +16,8 @@ export const buildContentGetter = (ac: AccessController, doc: DocReader) => {
       .doc(docId)
       .can('Doc.Read');
     if (!canAccess) return undefined;
-    const content = await doc.getFullDocContent(options.workspace, docId);
-    return content?.summary.trim() || undefined;
+    const content = await doc.getDocMarkdown(options.workspace, docId, true);
+    return content?.markdown.trim() || undefined;
   };
   return getDocContent;
 };
diff --git a/packages/backend/server/src/plugins/copilot/tools/doc-read.ts b/packages/backend/server/src/plugins/copilot/tools/doc-read.ts
index aa6411b73c..80b25af35a 100644
--- a/packages/backend/server/src/plugins/copilot/tools/doc-read.ts
+++ b/packages/backend/server/src/plugins/copilot/tools/doc-read.ts
@@ -47,7 +47,11 @@ export const buildDocContentGetter = (
       return;
     }
 
-    const content = await docReader.getDocMarkdown(options.workspace, docId);
+    const content = await docReader.getDocMarkdown(
+      options.workspace,
+      docId,
+      true
+    );
     if (!content) {
       return;
     }