事件：'错误'

【Event: 'error'】

• err <Error>

如果工作线程抛出未捕获的异常，将触发 'error' 事件。在这种情况下，工作线程会被终止。

【The 'error' event is emitted if the worker thread throws an uncaught exception. In that case, the worker is terminated.】