The default time range is displayed incorrectly on the overview page

Created by: liuyp2018

Describe the bug The default time range is displayed incorrectly on the overview page

Versions used(KubeSphere/Kubernetes) KubeSphere: v3.2.0 alpha Kubernetes: (If KubeSphere installer used, you can skip this)

/assign @harrisonliu5 /area console /milestone v3.2 /priority Medium