总结如下:
1.download ds3617xs_boot61_15284.img (自制img,仅用来测试)
2.according instruction (http://www.nasyun.com/thread-28943-1-1.html) to make usb bootdisk
3.use bootable usb disk to install synology program (use DSM_DS3617xs_15284.pat download from offical website)
4.according instruction again (http://www.nasyun.com/thread-28943-1-1.html) to make ssd or hdd bootable
5.boot from WinPE (Like EasyU etc...)
6.enter cmd mode and change to grub-2.02~beta2-for-windows program directory:
7.type "grub-install.exe --boot-directory=C:\boot --target=i386-pc //./PHYSICALDRIVE0 (according your physical disk number from diskgenius)
8.remove any usb disk and reboot
9.have fun!