升级到4.0后， 我的TODO 打开提示

Warning: Creating default object from empty value in D:\Web_a\module\common\ext\lang\zh-cn\effort.php on line 10

Warning: Creating default object from empty value in D:\Web_a\module\company\ext\lang\zh-cn\effort.php on line 2

Warning: Creating default object from empty value in D:\Web_a\module\todo\ext\lang\zh-cn\effort.php on line 2

Fatal error: Call to undefined method exttodoModel::buildDateList() in D:\Web_a\module\todo\ext\control\fullcalendar.php on line 22

之前买的日历插件好像有问题，能说下咋卸载掉这个插件和日志插件么？每次升级都出问题。。。。。