Fix alerts

[skzhang1]

Fix the alerts

[liususan091219]

Fix the alerts

Hi @skzhang1 thanks for your pull request. The code has some runtime issues but we fixed them with PR #647 . Could you merge the main branch to fix those issues in your PR with the following lines? Thanks.

git fetch upstream 
git merge upstream/main your_branch_name

[skzhang1]

@liususan091219 Sure, I have merged to the main branch. If there exists problems, please tell me. Thanks!

[liususan091219]

@skzhang1 Awesome. Thanks for your help and quick response!