View the process takes mac

Tip occupied port 8700 when android studio run the project.
Mac open terminal, enter the command lsof -i: 8700
Console Display:

COMMAND PID        USER   FD   TYPE            DEVICE SIZE/OFF NODE NAME
studio  460 lishuaikang  523u  IPv4 0x7f161bc8df2f1ad      0t0  TCP localhost:8700 (LISTEN)

kill -9 PID
End Process