Needs approval from an approver in each of these files:
- ~~[OWNERS](https://github.com/kubeedge/website/blob/master/OWNERS)~~ [fisherxu]
Approvers can indicate their approval by writing `/approve` in a comment
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Please check if the PR fulfills these requirements
[x] The commit message follows our guidelines
[ ] Tests for the changes have been added (for bug fixes / features)
[ ] Docs have been added / updated (for bug fixes / features)
What is the new behavior (if this is a feature change)?
Update new link for v1.19, and make v1.15 out of maintained.