/// <summary>
/// 图片类型请求
/// </summary>
public virtual IResponseMessage OnImageRequest(RequestMessageImage requestMessage)
{
return null;
}
/// <summary>
/// 图片类型请求
/// </summary>
public override IResponseMessage OnImageRequest(RequestMessageImage requestMessage)
{
return new ResponseMessageImage("umkRNs_LvCkQsbyAekQCUYD1Nlo48CHlq0uH5uXoe_o");
}