C:\Users\Administrator>adb devices -l
List of devices attached
adb server version (31) doesn't match this client (40); killing...
could not read ok from ADB Server
* failed to start daemon
error: cannot connect to daemon
--------提示上面的信息，解決方案如下---------------
C:\Users\Administrator>cd\
C:\>D:
D:\>cd D:\androidsdk\platform-tools
D:\androidsdk\platform-tools>netstat -aon|findstr "5037"
TCP 127.0.0.1:5037 0.0.0.0:0 LISTENING 10676
D:\androidsdk\platform-tools>tasklist|findstr "10676"
LdsMobileLink.exe 10676 Console 1 27,344 K
--------手動結束上面進程，從新adb devices -l-------------------------------------------------
D:\androidsdk\platform-tools>adb devices -l
List of devices attached
* daemon not running; starting now at tcp:5037
* daemon started successfully
2PFNW18B08014453 device product:JKM-AL00b model:JKM_AL00b device:HWJKM-HM transport_id:1