当我尝试解析 xml 响应时，我的控制台中出现了以下内容。即使我改变了SerializationMIMEType结果RKMIMETypeTextXML是一样的。
任何建议和帮助将不胜感激。
AFNetworkingOperationFailingURLRequestErrorKey=<NSMutableURLRequest https://services.walgreens.com/snapfishapi/v2>, NSErrorFailingURLKey=https://services.walgreens.com/snapfishapi/v2, NSLocalizedDescription=Expected content type {(
"text/html",
"application/x-www-form-urlencoded",
"application/json"
)}, got text/xml, AFNetworkingOperationFailingURLResponseErrorKey=<NSHTTPURLResponse: 0x95357f0>}`