neiyou_user_web/app/Models/NodeLabel.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/**
 * 节点标签.
 */
class NodeLabel extends Model
{
    public $timestamps = false;
    protected $table = 'node_label';

    public function node(): BelongsTo
    {
        return $this->belongsTo(Node::class);
    }

    public function label(): BelongsTo
    {
        return $this->belongsTo(Label::class);
    }
}