adb server version(31) doesn‘t match this client（41）【android studio连接手机失败】

1adb占PC的端口是5037，先看一下5037是否被占用

netstat -ano|findstr "5037"

经排查是9204的进程占用了5037端口

  TCP    127.0.0.1:5037         0.0.0.0:0              LISTENING       9204
  TCP    127.0.0.1:5037         127.0.0.1:7189         ESTABLISHED     9204
  TCP    127.0.0.1:5037         127.0.0.1:7190         ESTABLISHED     9204
  TCP    127.0.0.1:7048         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7050         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7119         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7123         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7124         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7185         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7186         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7187         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7188         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7189         127.0.0.1:5037         ESTABLISHED     1688
  TCP    127.0.0.1:7190         127.0.0.1:5037         ESTABLISHED     1688
  TCP    127.0.0.1:7192         127.0.0.1:5037         TIME_WAIT       0
  TCP    127.0.0.1:7193         127.0.0.1:5037         TIME_WAIT       0

2查看9204进程是什么东东

tasklist |findstr "9204"

经排查

360MobileLink.exe             9204 Console                    1     29,832 K

360手机助手的锅
3 ctrl+shift+esc进入管理进程界面，找到360手机助手，结束进程，OK！