NGUI doesn't respond any mouse hover and click

[koalago]

I did nothing and tried to re import the NGUI, however it doesnt respond to any hover and click, even with example scene

i can really have no idea of it, any one can help me out? i've tried search this issue around but there're no just a straight problem like this.

I used the version 3.5.1 and 3.5.9, both not works.....

please help me out, thank you!

[ArenMook]

Raycast Hit Triggers. It's mentioned in the FAQ, in the first two video tutorials, and in the documentation.

[koalago]

Thanks!!!