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 6a33bf36a..9f6f5e270 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
@@ -104,11 +104,6 @@ public abstract class BaseWxPayResult {
    */
   @XStreamAlias("sign")
   private String sign;
-  /**
-   * 签名类型.
-   */
-  @XStreamAlias("sign_type")
-  private String signType;
 
   //以下为辅助属性
   /**
@@ -185,7 +180,6 @@ public abstract class BaseWxPayResult {
     subMchId = readXmlString(d, "sub_mch_id");
     nonceStr = readXmlString(d, "nonce_str");
     sign = readXmlString(d, "sign");
-    signType = readXmlString(d, "sign_type");
   }
 
   protected static Integer readXmlInteger(Node d, String tagName) {