舞影凌风

adb server is out of date. killing...

  adb

是adb server端口被占用了

你先执行adb nodaemon server ，查看adb server的端口是多少

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C:\Users\xxxx>adb nodaemon server  
cannot bind ‘tcp:5037’
再执行下netstat -ano | findstr “5037”  

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C:\Users\xxxxxx>netstat -ano | findstr “5037”  
  TCP    127.0.0.1:5037         0.0.0.0:0              LISTENING       4236  
  TCP    127.0.0.1:5037         127.0.0.1:49422        ESTABLISHED     4236  
  TCP    127.0.0.1:49422        127.0.0.1:5037         ESTABLISHED     3840
然后执行tskill 4236即可