How to deal "EasyBCD booting in uefi mode" in dual system computer

i use win 10 and Ubuntu 16.04 system together,now grub is the first guide,but i'm not want to use it as guide,and i want to use windows guide as first,then i find can use EasyBCD to revise this,but when i run it,told me "EasyBCD has detected that your machine is currently booting in EFI mode...The notice"; I search many methods to deal with it,but they all do nothing; How should i do now?