Fix screenshot thread module.

[beta1360]

Expected Behavior

We can use the function that it is available to catch screenshot and send the screenshot to user.

[beta1360]

~ Sun

[kuj0210]

when you upload code, i hope you to test
버그테스트 안하고올리면 진짜 죽여버릴거야

[beta1360]

OK TT

[kuj0210]

if you can't keep deadline i will kill it is not kidding 어린이날까지 못하면 진짜 죽일거야