Steps to Reproduce

1. add a Calendar event with a short time(e.g. 5 minute) or a same beginDate/endDate
2. check the item's display in a browser

Current Result

the short time event will display with a small height and can't show the event title

Expected Result

should display with a min-height at least to show the event title

Debug Information

* see ZKCAL-67
 

Workaround

<style>
.z-calevent-inner dl

</style>