diff --git a/src/client/app/desktop/views/components/timeline.vue b/src/client/app/desktop/views/components/timeline.vue
index ea8f0053b..e1f88b62f 100644
--- a/src/client/app/desktop/views/components/timeline.vue
+++ b/src/client/app/desktop/views/components/timeline.vue
@@ -96,7 +96,7 @@ export default Vue.extend({
 		onNote(note) {
 			// サウンドを再生する
 			if ((this as any).os.isEnableSounds) {
-				const sound = new Audio(`${url}/assets/note.mp3`);
+				const sound = new Audio(`${url}/assets/post.mp3`);
 				sound.volume = localStorage.getItem('soundVolume') ? parseInt(localStorage.getItem('soundVolume'), 10) / 100 : 1;
 				sound.play();
 			}
diff --git a/tools/migration/nighthike/4.js b/tools/migration/nighthike/4.js
index d77c91ca8..5e12e6405 100644
--- a/tools/migration/nighthike/4.js
+++ b/tools/migration/nighthike/4.js
@@ -50,8 +50,20 @@ db.drive_files.files.renameCollection('driveFiles.files');
 db.drive_files.chunks.renameCollection('driveFiles.chunks');
 db.driveFiles.files.update({}, {
 	$rename: {
-		'metadata.user_id': 'metadata.userId',
+		'metadata.user_id': 'metadata.userId'
+	}
+}, false, true);
+db.driveFiles.files.update({
+	'metadata.folder_id': { $ne: null }
+}, {
+	$rename: {
 		'metadata.folder_id': 'metadata.folderId',
+	}
+}, false, true);
+db.driveFiles.files.update({
+	'metadata.properties.average_color': { $ne: null }
+}, {
+	$rename: {
 		'metadata.properties.average_color': 'metadata.properties.avgColor'
 	}
 }, false, true);