关于c#：HTTPS发布失败

HTTPS Post failure

我正在尝试向Xamarin Forms应用程序上的API发送POST请求，但收到一条错误消息，指示发送请求时不存在信任关系。我不知道这是为什么以及如何解决。例外：

System.Net.Http.HttpRequestException: An error occurred while sending
the request ---> System.Net.WebException: Error: TrustFailure (The
authentication or decryption has failed.) ---> System.IO.IOException:
The authentication or decryption has failed. --->
System.IO.IOException: The authentication or decryption has failed.
---> Mono.Security.Protocol.Tls.TlsException: Invalid certificate received from server. Error code: 0xffffffff800b010f at
Mono.Security.Protocol.Tls.RecordProtocol.EndReceiveRecord
(System.IAsyncResult asyncResult) [0x00031] in
/Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/Mono.Security/Mono.Security.Protocol.Tls/RecordProtocol.cs:430
at Mono.Security.Protocol.Tls.SslClientStream.SafeEndReceiveRecord
(System.IAsyncResult ar, System.Boolean ignoreEmpty) [0x00000] in
/Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/Mono.Security/Mono.Security.Protocol.Tls/SslClientStream.cs:256
at Mono.Security.Protocol.Tls.SslClientStream.NegotiateAsyncWorker
(System.IAsyncResult result) [0x00071] in
/Users/builder/jenkins/workspace/xamarin-android/xamarin-android/external/mono/mcs/class/Mono.Security/Mono.Security.Protocol.Tls/SslClientStream.cs:418
--- End of inner exception stack trace ---

导致此异常的代码如下：

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MultipartFormDataContent content = new MultipartFormDataContent();
content.Headers.Add("X-Auth-Token","eb27c17f-8bd6-4b94-bc4f-742e361b4e6a");
content.Headers.ContentType = MediaTypeHeaderValue.Parse("image/jpeg");

content.Add(new ByteArrayContent(myByteImage));

try
{
HttpResponseMessage response = await _client.PostAsync("https://10.54.66.160:9000/3/matching/search?list_id=3c9f2623-28be-435f-a49f-4dc29c186809&limit=1", content);

string responseContent = await response.Content.ReadAsStringAsync();
}
catch (Exception ex)
{
throw;
}