about reflection speed of software

Hello，everybody

      In the near future ， I run the hypermesh (version2018 \2019), finding a strange problem.When I try to choose one element 、surf or solid ,the software is stuck. But when I try to select some elems、surfs or solid by frame selection function ,the software is smooth.  

     Can somebody give me an advice on what I could do to solve this question? Thank you very much!