arm-api/app/Models/TrackData.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class TrackData extends Model
{
    protected $connection = 'mysql';                  // 參照 config/database.php 的連線名稱
    protected $table      = 'trackData';
    protected $primaryKey = 'id';                     // PK 的欄位名稱
    public    $timestamps = false;                    // 保持 false

}