6 year old doesn’t want to go to school

Hi my daughter in next year Jan completes her 6 years, she doesn't take interest in studies she is in class 1. Daily before going school she starts crying she don't want to go, she only wants to play or watch tv, I asked her teacher is there any problem in school with her but she said no,we are so upset she get hyper many time, pls suggest what should we do