Problem when smart upgrade from 8.5 FP1 to 8.5.1. Help!

Try to use smart upgrade form 8.5 FP1 to 8.5.1.

Made a package SURunas.exe (CZ5ZQEN)with admin password and /s /v"ALLUSERS=1 /qb+".

When install the upgrade kit ,got a message “You must have a version of Notes 8 installed to apply an upgrade”.

Why can’t using the upgrade kit to upgrade the Notes? Anyone knows? Please help!