我正在使用RestSharp调用外部API。这个有效:varclient=newRestClient(apiUrl);varrequest=newRestRequest(myurl,Method.GET);foreach(varparaminparameters){request.AddQueryParameter(param.Key,param.Value);}varresponse=client.Execute(request);这不是:varclient=newRestClient(apiUrl);varrequest=newRestRequest(myurl,Method.GE