http://www.cybercorlin.net/2009/10/12/%e6%b5%85%e8%b0%88%e4%b8%ad%e5%9b%bd%e7%94%b5%e4%bf%a1-ocs-online-charging-system-%e5%ae%9e%e6%97%b6%e8%ae%a1%e8%b4%b9%e7%b3%bb%e7%bb%9f-%e3%80%90%e5%8f%82%e8%80%83%e3%80%91/ 每天进步一点点 hourly 1 http://wordpress.org/?v=3.0.1