kailin/app/Http/Middleware/TrimStrings.php

<?php

namespace App\Http\Middleware;

use Illuminate\Foundation\Http\Middleware\TrimStrings as Middleware;

// 修剪字符串
class TrimStrings extends Middleware
{
    /**
     * 不应修剪的属性的名称。
     *
     * @var array
     */
    protected $except = [
        // 密码空格不做修剪
        'current_password',
        'password',
        'password_confirmation',
        // 兼容App端 创建订单时候，终端名称误带后缀空格倒是签名失败
        'client',
    ];
}