HELP!! HID problem

[07yaris_fe]

I have installed H4 6000k hid kit
and i did disable the DRL relay
Installed the kit for 5 months, with no problem
but today when i was driving, the light suddenly went off
tired to turn on again, doesn't work then i park aside and take a look
then i turn off my car, open hood and check it out
nothing have problem, checked connection, no problem
then i try turn on my light, then it work
so please help, anyone know why this happen?
do i need to change bigger fuse for the light?
if yes, which and where i can do that?

or any other way to get this fit????

please help, thanks