端口占用問題:
(tensorflow) appledeMacBook-Pro:Test apple$ sudo lsof -i:5000
Password:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
python3.6 4483 apple 4u IPv4 0x10b02d1563a3a86d 0t0 TCP localhost:commplex-main (LISTEN)
(tensorflow) appledeMacBook-Pro:Test apple$ sudo kill 4483