cannot reach adb server, attempting to reconnect.

cannot reach adb server, attempting to reconnect.

这反复的关闭连接、断开进入循环。

1、Android studio 取消勾选 "Enable adb mDNS for wireless debugging"

具体位置File - Settings - Build, Extension, Deployment-Debugger 或 直接搜 adb

2、检查测试机是否插入SIM卡（小米手机）

把启用MIUI优化 和 高风险功能开启提醒 关闭。

可以看另外相关的adb问题

Android studio 远程主机强迫关闭了一个现有的连接(adb.exe已停止工作)https://blog.csdn.net/qq_33721320/article/details/73618217?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522165520050916781483780124%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=165520050916781483780124&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-2-73618217-null-null.nonecase&utm_term=adb&spm=1018.2226.3001.4450

adb命令删除手机密码设置

书到用时方恨少，纸上得来终觉浅。共勉