webman验证器中使用多语言报错

protected $rule =   [
        'name'          => 'require',
        'card_no'       => 'require',
        'front_view'    => 'require',
        'back_view'     => 'require',
        'handset_view'  => 'require',
        'mobile'        => 'require',
        'country_code'  => 'require',
        'sms_code'      => 'require',
        'sms_key'       => 'require',
    ];

    protected $message  =   [
//        'name.require'      => '真实姓名不能为空',
        'name.require'      => trans('',[],''),
    ];

expression is not allowed as field default value