diff --git a/packages/backend/migration/1667503570994-sync.js b/packages/backend/migration/1667503570994-sync.js
new file mode 100644
index 000000000..97dfa2d2c
--- /dev/null
+++ b/packages/backend/migration/1667503570994-sync.js
@@ -0,0 +1,44 @@
+export class sync1667503570994 {
+	name = 'sync1667503570994'
+
+	async up(queryRunner) {
+		await Promise.all([
+			// the migration for renote mutes added the index to the wrong table
+			queryRunner.query(`DROP INDEX "public"."IDX_renote_muting_createdAt"`),
+			queryRunner.query(`DROP INDEX "public"."IDX_renote_muting_muteeId"`),
+			queryRunner.query(`DROP INDEX "public"."IDX_renote_muting_muterId"`),
+			queryRunner.query(`CREATE INDEX "IDX_d1259a2c2b7bb413ff449e8711" ON "renote_muting" ("createdAt") `),
+			queryRunner.query(`CREATE INDEX "IDX_7eac97594bcac5ffcf2068089b" ON "renote_muting" ("muteeId") `),
+			queryRunner.query(`CREATE INDEX "IDX_7aa72a5fe76019bfe8e5e0e8b7" ON "renote_muting" ("muterId") `),
+
+			queryRunner.query(`COMMENT ON COLUMN "renote_muting"."createdAt" IS 'The created date of the Muting.'`),
+			queryRunner.query(`COMMENT ON COLUMN "renote_muting"."muteeId" IS 'The mutee user ID.'`),
+			queryRunner.query(`COMMENT ON COLUMN "renote_muting"."muterId" IS 'The muter user ID.'`),
+			queryRunner.query(`ALTER TABLE "page" ALTER COLUMN "text" SET NOT NULL`),
+			queryRunner.query(`ALTER TABLE "page" ALTER COLUMN "text" SET DEFAULT ''`),
+			queryRunner.query(`CREATE UNIQUE INDEX "IDX_0d801c609cec4e9eb4b6b4490c" ON "renote_muting" ("muterId", "muteeId") `),
+			queryRunner.query(`ALTER TABLE "renote_muting" ADD CONSTRAINT "FK_7eac97594bcac5ffcf2068089b6" FOREIGN KEY ("muteeId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`),
+			queryRunner.query(`ALTER TABLE "renote_muting" ADD CONSTRAINT "FK_7aa72a5fe76019bfe8e5e0e8b7d" FOREIGN KEY ("muterId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`),
+		]);
+	}
+
+	async down(queryRunner) {
+		await Promise.all([
+			queryRunner.query(`ALTER TABLE "renote_muting" DROP CONSTRAINT "FK_7aa72a5fe76019bfe8e5e0e8b7d"`),
+			queryRunner.query(`ALTER TABLE "renote_muting" DROP CONSTRAINT "FK_7eac97594bcac5ffcf2068089b6"`),
+			queryRunner.query(`DROP INDEX "public"."IDX_0d801c609cec4e9eb4b6b4490c"`),
+			queryRunner.query(`ALTER TABLE "page" ALTER COLUMN "text" DROP DEFAULT`),
+			queryRunner.query(`ALTER TABLE "page" ALTER COLUMN "text" DROP NOT NULL`),
+			queryRunner.query(`COMMENT ON COLUMN "renote_muting"."muterId" IS NULL`),
+			queryRunner.query(`COMMENT ON COLUMN "renote_muting"."muteeId" IS NULL`),
+			queryRunner.query(`COMMENT ON COLUMN "renote_muting"."createdAt" IS NULL`),
+
+			queryRunner.query(`DROP INDEX "public"."IDX_7aa72a5fe76019bfe8e5e0e8b7"`),
+			queryRunner.query(`DROP INDEX "public"."IDX_7eac97594bcac5ffcf2068089b"`),
+			queryRunner.query(`DROP INDEX "public"."IDX_d1259a2c2b7bb413ff449e8711"`),
+			queryRunner.query(`CREATE INDEX "IDX_renote_muting_muterId" ON "muting" ("muterId") `),
+			queryRunner.query(`CREATE INDEX "IDX_renote_muting_muteeId" ON "muting" ("muteeId") `),
+			queryRunner.query(`CREATE INDEX "IDX_renote_muting_createdAt" ON "muting" ("createdAt") `),
+		]);
+	}
+}
diff --git a/packages/backend/src/models/entities/drive-file.ts b/packages/backend/src/models/entities/drive-file.ts
index 9ad7fb83d..95647c1ae 100644
--- a/packages/backend/src/models/entities/drive-file.ts
+++ b/packages/backend/src/models/entities/drive-file.ts
@@ -62,7 +62,8 @@ export class DriveFile {
 	public size: number;
 
 	@Column('varchar', {
-		length: 512, nullable: true,
+		length: 2048,
+		nullable: true,
 		comment: 'The comment of the DriveFile.',
 	})
 	public comment: string | null;