![](https://images2015.cnblogs.com/blog/915989/201705/915989-20170524134804247-1574936219.png)
Here is the answer:
Sublime Text > Preferences > Package Settings > OmniMarkupPreviewer > Settings - User
paste the following to remove the strikeout package.
{
"renderer_options-MarkdownRenderer": {
"extensions": ["tables", "fenced_code", "codehilite"]
}
}