反序列化json C#遇到意外字符

using System;
using Newtonsoft.Json;

public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
}

public class Program
{
    public static void Main(string[] args)
    {
        string json = "{\"Name\":\"John\",\"Age\":30,\"City\":\"New York\"}";

        JsonSerializerSettings settings = new JsonSerializerSettings();
        settings.Error = HandleDeserializationError;

        Person person = JsonConvert.DeserializeObject<Person>(json, settings);

        Console.WriteLine("Name: " + person.Name);
        Console.WriteLine("Age: " + person.Age);
    }

    private static void HandleDeserializationError(object sender, Newtonsoft.Json.Serialization.ErrorEventArgs args)
    {
        Console.WriteLine("Error occurred while deserializing JSON.");
        Console.WriteLine("Error message: " + args.ErrorContext.Error.Message);
        args.ErrorContext.Handled = true;
    }
}