我的LT28H root失败

a19571

一开始都正常
后来就不对了
请按任意键继续. . .
--开始复制文件
Unable to chmod /data/local/tmp/busybox: Operation not permitted
mount: permission denied (are you root?)
failed on '/system/bin/ric' - No such file or directory
/system/bin/ric: cannot open for write: Read-only file system
Unable to chmod /system/bin/ric: No such file or directory
Unable to chmod /system/bin/ric: No such file or directory
/system/xbin/busybox: cannot open for write: Read-only file system
Unable to chmod /system/xbin/busybox: No such file or directory
Unable to chmod /system/xbin/busybox: No such file or directory
mount: permission denied (are you root?)
mount: permission denied (are you root?)
link failed Permission denied
/data/local/tmp/step3.sh[4]: /system/xbin/busybox: not found
Unable to chmod /data/local/tmp/su: Operation not permitted
cp: can't create '/system/bin/su': Read-only file system
rm failed for /system/xbin/su, No such file or directory
link failed Read-only file system
mount: permission denied (are you root?)
--开始ROOT
rm failed for /data/local.prop, No such file or directory
--开始安装权限管理，RE管理器软件
2792 KB/s (1027554 bytes in 0.359s)
        pkg: /data/local/tmp/1.apk
Success
3613 KB/s (173458 bytes in 0.046s)
        pkg: /data/local/tmp/2.apk
Success
3072 KB/s (1425640 bytes in 0.453s)
        pkg: /data/local/tmp/3.apk
Success
2191 KB/s (420820 bytes in 0.187s)
        pkg: /data/local/tmp/4.apk
Success
--手机开始重启

然后RE和SU安装成功 但是打开RE没有授权。  该怎么办啊