Umm, possibly, if you mean clicking on the round arrow to the right? Please let me know if anything else I'm missing?
If you go back to the screen where all the different live categories are listed, on the top right there are 3 dots. Click on those and select the option of Refresh Channels etc.
Honestly, I'd like to see refs add on that time with more consistency. Too often you see the ref making the universal signal for "I'm adding time on" repeatedly in stoppage time, only to blow the final whistle 10 seconds after the added time. That's not really going to dissuade anyone from time-wasting. Better yet, allow the ref to signal to the fourth official to add an extra minute or two to the board. While making direct eye contact with the player who is time-wasting. I don't think it'd take long for teams to change their ways.