Android adb无法连接设备

手机已连接，adb devices提示* daemon not running. starting it now on port 5037 *

1. 输入命令查看5037端口是否被占用：netstat -ano | findstr “5037”
2. kill pid

PS C:\Users\t> netstat -ano | findstr "5037"
  TCP    127.0.0.1:5037         0.0.0.0:0              LISTENING       18648
PS C:\Users\t> kill 18648