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) ... View more