refactor

packages/backend/src/core/MetaService.ts

@@ -120,8 +120,13 @@ export class MetaService implements OnApplicationShutdown {
 	}
 
 	@bindThis
-	public onApplicationShutdown(signal?: string | undefined) {
+	public dispose(): void {
 		clearInterval(this.intervalId);
 		this.redisForSub.off('message', this.onMessage);
 	}
+
+	@bindThis
+	public onApplicationShutdown(signal?: string | undefined): void {
+		this.dispose();
+	}
 }