video_server/app/Model/UserTagModel.php

<?php

namespace App\Model;

class UserTagModel extends BaseModel
{
    public $table = 'user_tag';

    public function user()
    {
        return $this->hasOne(UserModel::class, 'code', 'user_uid');
    }

    public function tag()
    {
        return $this->hasOne(TypeModel::class, 'id', 'tag_id');
    }
}