mark一下 adb 命令
adb===》 Android debug Bridge
cd adb shell

进入后 adb shell
$ cd ..
cd system
...



$su
#
# chmod 777 /system
chmod 777 /system

Unable to chmod /system: Read-only file system

解决办法

mount -o rw,remount yaffs2 /system

# chmod 777 /sys
chmod 777 /sys

# chmod 777 /etc
chmod 777 /etc