How to solve spillage problem? I've done calibration test with "Concentric circle test" (https://www.thingiverse.com/thing:11895) and at specific points there are little bumped points on the print. Also Thingiverse page of the test mentions about these.

How can I solve this problem?

My printer is Creality Ender 3 Pro, I use Esun PLA+ with 210 celcius extruder and 60 celcius bed temperature.

Here is the printed object, both are same print, just took photo on different base.
We had some prints like that recently. Turns out it was caused by the bed not being "level" or "trammed". Basically the nozzle was too far off the bed when printing started for the first layer. Check yours - a piece of paper should slide between the nozzle and the bed surface, with a little bit of resistance. If it slides freely, the bed needs to be raised some. Check it at the corners and in the middle of the bed.