Can someone explain little more about how to build the DFU binary?

[mkcoldwolf]

I've successfully flashed the high memory bootloader into my STM
however im having problem building a Binary for DFU
According to build for bootloader section
Where seems the only step for high memory bootloaders is to build the binary as normal and then upload it via dfu-util
However after the uploade complete, it seems that its not running my program and i've checked the boot1 pin is on low
But when i flash the binary with st-link normally, it works
Any step am i missing? Here i attach the blink led binary.
Thanks
BlinkPC13.zip