无法访问文件列表

问：

在下面的代码块中，我是从模型列表中上传文件

public async Task\<IActionResult\> AddClaim(\[FromForm\] AddClaim claims)

 =\>i am able to upload file from this controller
this is my model
public string? Remarks { get; set; }
public decimal ClaimAmount { get; set; }
public IFormFile\[\]? ClaimsForm { get; set; } = null!;
public IFormFile\[\]? MedicalForm { get; set; } = null!;

public IActionResult GroupClaims(\[FromForm\]List\<AddClaim\> claims)  =\> but not for this

public IActionResult GroupClaims（[FromForm]List<AddClaim> claims） => 但不是