Pop up window cannot be closed

Created by: wenxin-01

Versions used(KubeSphere/Kubernetes) KubeSphere: v3.1.1

To Reproduce Steps to reproduce the behavior:

https://user-images.githubusercontent.com/68640256/127985895-21de16a0-45f0-49a3-a006-35a58ab6759d.mov

/kind bug /assign @kubesphere/sig-console /priority low