Revert "update"
Revert "update"

This reverts commit 7655b89844428e051f63044574812fcb1ab696e3.

roboard/86Duino_Linux_SDK,roboard/86Duino_Linux_SDK,roboard/86Duino_Linux_SDK,roboard/86Duino_Linux_SDK,roboard/86Duino_Linux_SDK,roboard/86Duino_Linux_SDK,roboard/86Duino_Linux_SDK