the first game in ranked match will go smoothly without any issues but when i try to play the second game continuously, can't even play properly as it lags too much

After I finish the tutorial, I can only play in rank, so I did. But the the lag is unbearable. I can control my hero. The server was in Europe so I thought maybe because I'm in Asia. So I switched it to Asia but. Its still the same. It's even worse. After that a came her in TapTap to give this feedback.