问题
I'm able to compile and run my code but there is always an error showing in VSCode. Earlier there was a pop up I don't remember what and I clicked "apply globally" and it's been this way since.
Output is there but so is the error
The declared package "" does not match the expected package
来源：https://stackoverflow.com/questions/54718171/the-declared-package-does-not-match-the-expected-package