This can be said one of two ways. There's is the best to use, the secondary one would be Its of no use...

As an English native I concur that this is grammatically correct but “there’s” is literally the only way it’s every said. At least in North America.

Hi how are you ?? Cauld you help me In order to speak english fluently ??

It's either "It's no use..." or "There's no point..."