禅道每日提醒 插件在2.2版本上运行有错误

Strict Standards: Non-static method common::getSysURL() should not be called statically, assuming $this from incompatible context in /opt/lampp/htdocs/zentao/module/report/ext/view/dailyreminder.html.php on line 18

在V2.1版本中执行后正常，2.2升级后有如上的错误信息。