Can't clear VDB cache,v1.110

[rendadongdog]

it will cost new memory every simulation. click Clear playback cache not work.after close 3dsmax,will cost much  time to free memory,am i doing someting wrong? or[font=Arial, 'Microsoft YaHei', 微软雅黑, 宋体, 'Malgun Gothic', Meiryo, sans-serif]rong[/font]memory leak?thank your.

PC:
14700K  
4090
64G RAM

3dsmax 2021,file below