diff --git a/packages/backend/src/remote/activitypub/kernel/announce/note.ts b/packages/backend/src/remote/activitypub/kernel/announce/note.ts
index 6cdaa61662..acf8c84360 100644
--- a/packages/backend/src/remote/activitypub/kernel/announce/note.ts
+++ b/packages/backend/src/remote/activitypub/kernel/announce/note.ts
@@ -32,8 +32,6 @@ export default async function (
 	// Interrupt if you block the announcement destination
 	if (await shouldBlockInstance(extractDbHost(uri))) return;
 
-	const unlock = await getApLock(uri);
-
 	try {
 		// Check if something with the same URI is already registered
 		const exist = await fetchNote(uri);
@@ -60,9 +58,10 @@ export default async function (
 			throw e;
 		}
 
-		if (!(await Notes.isVisibleForMe(renote, actor.id)))
-			return "skip: invalid actor for this activity";
-
+		if (renote != null && !(await Notes.isVisibleForMe(renote, actor.id))) {
+			console.log("skip: invalid actor for this activity");
+			return;
+		}
 		logger.info(`Creating the (Re)Note: ${uri}`);
 
 		const activityAudience = await parseAudience(
@@ -79,6 +78,6 @@ export default async function (
 			uri,
 		});
 	} finally {
-		unlock();
+		await getApLock(uri);
 	}
 }
diff --git a/packages/backend/src/remote/activitypub/kernel/create/note.ts b/packages/backend/src/remote/activitypub/kernel/create/note.ts
index 09c492730c..fe4cc0906f 100644
--- a/packages/backend/src/remote/activitypub/kernel/create/note.ts
+++ b/packages/backend/src/remote/activitypub/kernel/create/note.ts
@@ -31,8 +31,6 @@ export default async function (
 		}
 	}
 
-	const unlock = await getApLock(uri);
-
 	try {
 		const exist = await fetchNote(note);
 		if (exist) return "skip: note exists";
@@ -46,6 +44,6 @@ export default async function (
 			throw e;
 		}
 	} finally {
-		unlock();
+		await getApLock(uri);
 	}
 }
diff --git a/packages/backend/src/remote/activitypub/kernel/delete/note.ts b/packages/backend/src/remote/activitypub/kernel/delete/note.ts
index 69298e9175..b37f7d25f9 100644
--- a/packages/backend/src/remote/activitypub/kernel/delete/note.ts
+++ b/packages/backend/src/remote/activitypub/kernel/delete/note.ts
@@ -13,8 +13,6 @@ export default async function (
 ): Promise<string> {
 	logger.info(`Deleting the Note: ${uri}`);
 
-	const unlock = await getApLock(uri);
-
 	try {
 		const dbResolver = new DbResolver();
 		const note = await dbResolver.getNoteFromApId(uri);
@@ -39,6 +37,6 @@ export default async function (
 		await deleteNode(actor, note);
 		return "ok: note deleted";
 	} finally {
-		unlock();
+		await getApLock(uri);
 	}
 }
diff --git a/packages/backend/src/remote/activitypub/models/note.ts b/packages/backend/src/remote/activitypub/models/note.ts
index 391f669f3f..8e305d7195 100644
--- a/packages/backend/src/remote/activitypub/models/note.ts
+++ b/packages/backend/src/remote/activitypub/models/note.ts
@@ -415,8 +415,6 @@ export async function resolveNote(
 			`host ${extractDbHost(uri)} is blocked`,
 		);
 
-	const unlock = await getApLock(uri);
-
 	try {
 		//#region Returns if already registered with this server
 		const exist = await fetchNote(uri);
@@ -439,7 +437,7 @@ export async function resolveNote(
 		// Since the attached Note Object may be disguised, always specify the uri and fetch it from the server.
 		return await createNote(uri, resolver, true);
 	} finally {
-		unlock();
+		await getApLock(uri);
 	}
 }
 
diff --git a/packages/backend/src/services/chart/core.ts b/packages/backend/src/services/chart/core.ts
index 36fe373269..2fce4de91c 100644
--- a/packages/backend/src/services/chart/core.ts
+++ b/packages/backend/src/services/chart/core.ts
@@ -430,7 +430,6 @@ export default abstract class Chart<T extends Schema> {
 			? `${this.name}:${date}:${span}:${group}`
 			: `${this.name}:${date}:${span}`;
 
-		const unlock = await getChartInsertLock(lockKey);
 		try {
 			// ロック内でもう1回チェックする
 			const currentLog = (await repository.findOneBy({
@@ -466,7 +465,7 @@ export default abstract class Chart<T extends Schema> {
 
 			return log;
 		} finally {
-			unlock();
+			await getChartInsertLock(lockKey);
 		}
 	}