![](https://play-lh.googleusercontent.com/EGemoI2NTXmTsBVtJqk8jxF9rh8ApRWfsIMQSt2uE4OcpQqbFu7f7NbTK05lx80nuSijCz7sc3a277R67g=s32)
Google 用户
it is really a good App, however i'm always stuck at execrise 1, nothing appears, it's just a blank
Sorry to hear that; could you please give it a try again? If it still doesn’t work, please email us and we’ll look into this further: feedback@orai.com