问IIS中.NET核心应用超时对第三方API的请求

EN

[Route("api/[controller]")]
[ApiController]
public class TestController : ControllerBase
{
    [HttpGet]
    public string Get(int id)
    {
        return $"response to GET; id:{id}";
    }

    [HttpPost]
    public string Post([FromBody] int id)
    {
        return $"response to POST; foo:{id}";
    }
}

[Route("api/[controller]")]
[ApiController]
public class SMSController : ControllerBase
{
    private string twilioSID = "xxxxxx";
    private string twilioAuthToken = "xxxxxx";
    private string twilioPhoneNumber = "+15555555555";

    [HttpGet]
    public string Get(string phoneNumber)
    {
        TwilioClient.Init(twilioSID, twilioAuthToken);

        var message = MessageResource.Create(
            body: $"TEST message via Twilio",
            from: new Twilio.Types.PhoneNumber(twilioPhoneNumber),
            to: new Twilio.Types.PhoneNumber(phoneNumber)
        );

        return message.Status.ToString();
    }

    [HttpPost]
    public string Post([FromBody] GeoEvent geoEvent)
    {
        TwilioClient.Init(twilioSID, twilioAuthToken);

        var message = MessageResource.Create(
            body: $"TEST message via Twilio",
            from: new Twilio.Types.PhoneNumber(twilioPhoneNumber),
            to: new Twilio.Types.PhoneNumber(geoEvent.PhoneNumber)
        );

        return message.Status.ToString();
    }
}

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <location path="." inheritInChildApplications="false">
    <system.webServer>
      <handlers>
        <add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModule" resourceType="Unspecified" />
      </handlers>
      <aspNetCore processPath=".\TwilioService.exe" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" />
    </system.webServer>
  </location>
</configuration>