使用 twilio 向手机发送短信

Question

我正在尝试向手机发送短信。有人能告诉我为什么我的退货声明不起作用吗？如果我在 return 语句中只写字符串消息，那么它会显示该消息，但如果我使用下面提到的 return 语句，它就不起作用。有什么建议么？using System;using System.Collections.Generic;using System.Web.Mvc;using Twilio;using Twilio.AspNet.Mvc;using Twilio.Rest.Api.V2010.Account;using Twilio.Types;namespace TwilioSendSMS.Controllers{    public class SMSController : TwilioController    {        // GET: SMS ----- outbound----        public ActionResult SendSms()        {            // Find your Account Sid and Auth Token at twilio.com/user/account            const string accountSid = "ACxxxxxxxxx";            const string authToken = "71xxxxxxxxxx";            // Initialize the Twilio client            TwilioClient.Init(accountSid, authToken);            // make an associative array of people we know, indexed by phone number            var people = new Dictionary<string, string>() {                {"[phone]", "Kim"},                {"[phone]", "Raj"}            };            // Iterate over all our friends            foreach (var person in people)            {                // Send a new outgoing SMS by POSTing to the Messages resource                MessageResource.Create(                    from: new PhoneNumber("[phone]"), // From number, must be an SMS-enabled Twilio number                    to: new PhoneNumber(person.Key), // To number, if using Sandbox see note above                                                     // Message content                    body: $"Hey {person.Value} Party is at 6PM! Don't forget to bring gift.");            }            //return Content($"Message has been sent!");            return Content($"Sent message to {person.Value}");        }    }}