#15 获取序列没考虑并发问题

[David Xu]

详见论坛 http://www.ralasafe.cn/rs-forum/bug-req-cn/%E6%B1%82%E8%A7%A3%EF%BC%8C%E9%9A%8F%E4%BE%BF%E7%9C%8B%E4%BA%86%E4%B8%8B%E4%BB%A3%E7%A0%81%EF%BC%8C%E8%8E%B7%E5%8F%96%E5%BA%8F%E5%88%97%E5%A5%BD%E5%83%8F%E6%B2%A1%E8%80%83%E8%99%91%E5%B9%B6%E5%8F%91/#p1633