can't find reference in some situation

[swordjjjkkk]

Describe the bug can't find reference in some situation

To Reproduce Steps to reproduce the behavior: code like this: class fff { public static $List;

} fff::$List=1;

can't find $List reference ,but in vscode find one(use same ls).

Expected behavior find one reference

Screenshots

Desktop (please complete the following information):

• OS: ubuntu20.04 neovim5.0
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Additional context