Forgetting releaseLock() permanently breaks the stream. The locked property tells you that a stream is locked, but not why, by whom, or whether the lock is even still usable. Piping internally acquires locks, making streams unusable during pipe operations in ways that aren't obvious.
有下列情形之一的，处十日以上十五日以下拘留，并处一千元以上二千元以下罚款：，详情可参考快连下载安装
"""配置中心 - 集中管理所有配置参数"""。业内人士推荐爱思助手下载最新版本作为进阶阅读
Related articles，这一点在WPS官方版本下载中也有详细论述