dotnet核心api返回空花括号数组

var items = await _context.Items.ToListAsync();
return Ok(items);

var items = await _context.Items.ToListAsync();
if (items == null || !items.Any())
{
    // 添加日志或调试信息
    Console.WriteLine("No items found");
}
return Ok(items);

public class Item
{
    [JsonProperty("id")]
    public int Id { get; set; }

    [JsonProperty("name")]
    public string Name { get; set; }
}

[ApiController]
[Route("api/[controller]")]
public class ItemsController : ControllerBase
{
    private readonly ApplicationDbContext _context;

    public ItemsController(ApplicationDbContext context)
    {
        _context = context;
    }

    [HttpGet]
    public async Task<ActionResult<IEnumerable<Item>>> GetItems()
    {
        var items = await _context.Items.ToListAsync();
        if (items == null || !items.Any())
        {
            return NotFound(); // 返回404状态码
        }
        return Ok(items);
    }
}