diff --git a/packages/backend/src/remote/activitypub/kernel/update/index.ts b/packages/backend/src/remote/activitypub/kernel/update/index.ts
index 4f1514ddd1..d805557801 100644
--- a/packages/backend/src/remote/activitypub/kernel/update/index.ts
+++ b/packages/backend/src/remote/activitypub/kernel/update/index.ts
@@ -1,10 +1,10 @@
 import type { CacheableRemoteUser } from "@/models/entities/user.js";
-import type { IUpdate } from "../../type.js";
+import type { IPost, IUpdate } from "../../type.js";
 import { getApType, isActor } from "../../type.js";
 import { apLogger } from "../../logger.js";
-import { updateQuestion } from "../../models/question.js";
 import Resolver from "../../resolver.js";
 import { updatePerson } from "../../models/person.js";
+import { updatePost } from "../../models/note.js";
 
 /**
  * Handler for the Update activity
@@ -29,10 +29,17 @@ export default async (
 	if (isActor(object)) {
 		await updatePerson(actor.uri!, resolver, object);
 		return "ok: Person updated";
-	} else if (getApType(object) === "Question") {
-		await updateQuestion(object, resolver).catch((e) => console.log(e));
-		return "ok: Question updated";
-	} else {
-		return `skip: Unknown type: ${getApType(object)}`;
+	}
+
+	switch (getApType(object)) {
+		case 'Question':
+		case 'Note':
+		case 'Article':
+		case 'Document':
+		case 'Page':
+			await updatePost(activity, object as IPost, resolver);
+			return `ok: Post updated`;
+		default:
+			return `skip: Unknown type: ${getApType(object)}`;
 	}
 };
diff --git a/packages/backend/src/remote/activitypub/models/note.ts b/packages/backend/src/remote/activitypub/models/note.ts
index 72953c5bfb..cc98e3cc11 100644
--- a/packages/backend/src/remote/activitypub/models/note.ts
+++ b/packages/backend/src/remote/activitypub/models/note.ts
@@ -9,15 +9,15 @@ import type { CacheableRemoteUser } from "@/models/entities/user.js";
 import { htmlToMfm } from "../misc/html-to-mfm.js";
 import { extractApHashtags } from "./tag.js";
 import { unique, toArray, toSingle } from "@/prelude/array.js";
-import { extractPollFromQuestion } from "./question.js";
+import { extractPollFromQuestion, updateQuestion } from "./question.js";
 import vote from "@/services/note/polls/vote.js";
 import { apLogger } from "../logger.js";
 import type { DriveFile } from "@/models/entities/drive-file.js";
 import { deliverQuestionUpdate } from "@/services/note/polls/update.js";
 import { extractDbHost, toPuny } from "@/misc/convert-host.js";
-import { Emojis, Polls, MessagingMessages } from "@/models/index.js";
+import { Emojis, Polls, MessagingMessages, Notes } from "@/models/index.js";
 import type { Note } from "@/models/entities/note.js";
-import type { IObject, IPost } from "../type.js";
+import type { IObject, IPost, IUpdate } from "../type.js";
 import {
 	getOneApId,
 	getApId,
@@ -350,6 +350,33 @@ export async function createNote(
 	);
 }
 
+/**
+ * Update info of Post
+ * @param uri URI of AP post object
+ * @returns true if updated
+ */
+export async function updatePost(activity: IUpdate, value: any, resolver?: Resolver) {
+
+	const uri = typeof value === "string" ? value : value.id;
+
+	// Skip if URI points to this server
+	if (uri.startsWith(`${config.url}/`)) throw new Error("uri points local");
+
+	//#region Already registered with this server?
+	const note = await Notes.findOneBy({ uri });
+	if (note == null) throw new Error("Post is not registed");
+	//#endregion
+
+	// resolve new Post object
+	if (resolver == null) resolver = new Resolver();
+	const post = (await resolver.resolve(value)) as IPost;
+
+	if (post.type == "Question") {
+		updateQuestion(value, resolver, note);
+	}
+
+}
+
 /**
  * Resolve Note.
  *
diff --git a/packages/backend/src/remote/activitypub/models/question.ts b/packages/backend/src/remote/activitypub/models/question.ts
index 520b9fee94..18aa1ca619 100644
--- a/packages/backend/src/remote/activitypub/models/question.ts
+++ b/packages/backend/src/remote/activitypub/models/question.ts
@@ -50,27 +50,18 @@ export async function extractPollFromQuestion(
  * @param uri URI of AP Question object
  * @returns true if updated
  */
-export async function updateQuestion(value: any, resolver?: Resolver) {
+export async function updateQuestion(value: any, resolver: Resolver, note: any) {
 	const uri = typeof value === "string" ? value : value.id;
 
-	// Skip if URI points to this server
-	if (uri.startsWith(`${config.url}/`)) throw new Error("uri points local");
-
 	//#region Already registered with this server?
-	const note = await Notes.findOneBy({ uri });
-	if (note == null) throw new Error("Question is not registed");
-
 	const poll = await Polls.findOneBy({ noteId: note.id });
 	if (poll == null) throw new Error("Question is not registed");
 	//#endregion
 
 	// resolve new Question object
-	if (resolver == null) resolver = new Resolver();
 	const question = (await resolver.resolve(value)) as IQuestion;
 	apLogger.debug(`fetched question: ${JSON.stringify(question, null, 2)}`);
 
-	if (question.type !== "Question") throw new Error("object is not a Question");
-
 	const apChoices = question.oneOf || question.anyOf;
 
 	let changed = false;
diff --git a/packages/backend/src/remote/activitypub/type.ts b/packages/backend/src/remote/activitypub/type.ts
index b0bdb0a8b4..ebfee8c792 100644
--- a/packages/backend/src/remote/activitypub/type.ts
+++ b/packages/backend/src/remote/activitypub/type.ts
@@ -148,6 +148,7 @@ export interface IQuestion extends IObject {
 	};
 	_misskey_quote?: string;
 	quoteUrl?: string;
+	quoteUri?: string;
 	oneOf?: IQuestionChoice[];
 	anyOf?: IQuestionChoice[];
 	endTime?: Date;