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I guess you need to enable the block read/write access.
https://www.alteraforum.com/forum/attachment.php?attachmentid=3522 https://www.alteraforum.com/forum/attachment.php?attachmentid=3523 --- Quote End ---
Hi nekojiru
Thank you very much.
You are correct, I didn't turn on block device.
In my system, I can't turn on it causing by some setting corrupted.
I try to rebuild it from new then I can turn it on.
I try to save it and success!!!!!
Thank you very much.
Best regards
Tingming
below is my result...
http://i55.tinypic.com/2lxf19h.jpg