手机解锁bootloader
刷TWRP
adb shell mount data
adb shell mount system
adb pull /data/property/persist.sys.usb.config /Your directory
persist.sys.usb.config中输入mtp,adb(如果没有上面的文件就新建)
adb push /your-directory/persist.sys.usb.config /data/property
adb pull /system/build.prop /your-directory
build.prop中添加
persist.service.adb.enable=1
persist.service.debuggable=1
persist.sys.usb.config=mtp,adb
adb push /your-dir/build.prop /system/
adb push /.android/adbkey.pub /data/misc/adb/adb_keys