ExpinBot/app/Models/UsdtC2c.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class UsdtC2c extends Model
{
   protected $table = 'UsdtC2c';
   public $timestamps = true; // 我们只用 created_at 字段
   protected $fillable = ['Highest', 'Million', 'created_at'];
}