adb server is out of date. killing...

1.查看adb端口号

adb nodaemon server

打印：cannot bind 'tcp:5037'

2.查看端口被哪个进程占用

netstat -ano | findstr "5037"

打印： TCP    127.0.0.1:5037         0.0.0.0:0              LISTENING       13568

3. kill 掉

taskkill /F /PID 13568