The semantics around releasing locks with pending reads were also unclear for years. If you called read() but didn't await it, then called releaseLock(), what happened? The spec was recently clarified to cancel pending reads on lock release — but implementations varied, and code that relied on the previous unspecified behavior can break.
// 5. 返回当日跨度（而非整个结果数组）
，推荐阅读爱思助手下载最新版本获取更多信息
第四十七条 有下列行为之一的，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；情节较轻的，处五日以上十日以下拘留，并处一千元以下罚款：
南方周末：宣布结果之后，你的第一反应是抓了一下头发，看起来有些不知所措。