Question 1:
The last column is longer than the others, it's not aesthetic.
I know I can adjust the height by editing "<option name="height">" this label,
but the return data would be changed all the time. If I set "too high", it would seem weird.
I want to solve two problem.
1. Don't show the "web scroll", meaning that can have a automatic size to accommodate my column data no matter how much data I have.
2. I want my every column averagely share the space.
Question 2 : If my event exists too short,
it seems like too small and narrow. It's also not aesthetic.
Can I make a "minimum bar chart or a circle" defined by myself.
(like what I draw on the image)
