diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/BaseWxPayResult.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/BaseWxPayResult.java
index 9f6f5e270..6f66dfdd8 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/BaseWxPayResult.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/BaseWxPayResult.java
@@ -150,6 +150,7 @@ public abstract class BaseWxPayResult {
     }
     XStream xstream = XStreamInitializer.getInstance();
     xstream.processAnnotations(clz);
+    xstream.setClassLoader(BaseWxPayResult.class.getClassLoader());
     T result = (T) xstream.fromXML(xmlString);
     result.setXmlString(xmlString);
     return result;