/about/ No Page, don't work

[ISouthRain]

# config.toml
    [[menu.main]]
        pageref = "/about/"
        name = "About"
        weight = 5
        pre = "internal"
        post = "user-circle"#user-circle

have file: --- content ----- about.md content/about.md:

---
title: "About"
comment: false
---
# About, This About page

Click home page Menu "About", Not work!! Not /about/ Page

[here-Leslie-Lau]

How did you solve it, I also encountered

[ISouthRain]

Sorry, I have forgotten how to fix it, this works config.toml

    url = "/about/"
    name = "About"
    weight = 5
    pre = "internal"
    post = "user-circle"

About.md

---
title: "About"
comment: false
toc: false
displayModifiedDate: false
---
# About page