异常：System.Net.WebException: Error writing request: The authentication or decryption has failed.
at System.Net.WebConnectionStream.WriteHeaders () [0x00000] in :0
at System.Net.WebConnectionStream.SetHeaders (System.Byte[] buffer) [0x00000] in :0
at (wrapper remoting-invoke-with-check) System.Net.WebConnectionStream:SetHeaders (byte[])
at System.Net.HttpWebRequest.SendRequestHeaders (Boolean propagate_error) [0x00000] in :0

有谁做过么，求指点一二。

导入库，就几行代码，不知怎么处理，运行抛出上面的异常
client = new Ocr(API_KEY, SECRET_KEY);

byte[] image = File.ReadAllBytes(@"D:\\img.jpg");

try
{
//调取API是哦图片文字
var result = client.GeneralBasic(image);
//打印获取到的结果
Debug.Log(result);
}
catch (Exception e)
{
//打印异常信息
Debug.Log("异常：" + e);
}