ERR_UNHANDLED_ERROR
发生未处理的错误（例如，当 EventEmitter 触发 'error' 事件但未注册 'error' 句柄时）。
¥An unhandled error occurred (for instance, when an 'error' event is emitted
by an EventEmitter but an 'error' handler is not registered).
发生未处理的错误（例如，当 EventEmitter 触发 'error' 事件但未注册 'error' 句柄时）。
¥An unhandled error occurred (for instance, when an 'error' event is emitted
by an EventEmitter but an 'error' handler is not registered).