What does the url of req get in express's use method?

app.use("/login", function (req, res, next) {
    console.log(req.url) 
    next()
})
app.get("/login", function (req, res, next) {
    console.log(req.url)
})

enter http://127.0.0.1:3000/login why the result is
/
/ login
Why is it inconsistent

Jun.11,2022
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b387d5-2c125.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b387d5-2c125.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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