Nodejs uses mongoose to operate the database, and the query result is empty

the specific code is as follows:
node beginners, excuse me

const mongoose = require("mongoose");
mongoose.connect("mongodb://")
mongoose.model("content",{}).find({})
    .then( feeds =>{
        console.log(feeds);
    })

the printed result is: []

you can get results using mongodb

MongoClient.connect("mongodb://", function(err, db) {
})

Nov.23,2021
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