Follow this checklist to help us incorporate your contribution quickly and easily:
[x] Make sure there is a GITHUB_issue filed for the change (usually before you start working on it). Trivial changes like typos do not require a GITHUB issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue.
[ ] Format the pull request title like Fix UnknownException when host config not exist #XXX. Each commit in the pull request should have a meaningful subject line and body.
[ ] Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
[ ] Test your code locally by running npm run build, and make sure it works as expected.
[ ] Make sure no files under build directory is added.
What is the purpose of the change
v2.4.2.1
Brief changelog
XXXXX
Follow this checklist to help us incorporate your contribution quickly and easily:
Fix UnknownException when host config not exist #XXX. Each commit in the pull request should have a meaningful subject line and body.npm run build, and make sure it works as expected.