diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyResult.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyResult.java
index ae86b8c854..8615a2e461 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyResult.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyResult.java
@@ -273,7 +273,7 @@ public String toString() {
      * </pre>
      */
     @XStreamAlias("refund_recv_accout")
-    private String refundRecvAccout;
+    private String refundRecvAccount;
 
     /**
      * <pre>
@@ -324,7 +324,7 @@ public void loadXML(Document d) {
       settlementRefundFee = readXmlInteger(d, "settlement_refund_fee");
       refundStatus = readXmlString(d, "refund_status");
       successTime = readXmlString(d, "success_time");
-      refundRecvAccout = readXmlString(d, "refund_recv_accout");
+      refundRecvAccount = readXmlString(d, "refund_recv_accout");
       refundAccount = readXmlString(d, "refund_account");
       refundRequestSource = readXmlString(d, "refund_request_source");
     }
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/ProfitSharingServiceImpl.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/ProfitSharingServiceImpl.java
index 6be5ffc8c1..afaa45440a 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/ProfitSharingServiceImpl.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/ProfitSharingServiceImpl.java
@@ -7,6 +7,7 @@
 import com.github.binarywang.wxpay.bean.profitsharing.result.*;
 import com.github.binarywang.wxpay.bean.result.BaseWxPayResult;
 import com.github.binarywang.wxpay.exception.WxPayException;
+import com.github.binarywang.wxpay.exception.WxSignTestException;
 import com.github.binarywang.wxpay.service.ProfitSharingService;
 import com.github.binarywang.wxpay.service.WxPayService;
 import com.github.binarywang.wxpay.v3.auth.Verifier;
@@ -293,7 +294,11 @@ private ProfitSharingNotifyV3Response parseNotifyData(String data, SignatureHead
    * @return true:校验通过 false:校验不通过
    */
   private boolean verifyNotifySign(SignatureHeader header, String data) throws WxPayException {
-    String beforeSign = String.format("%s%n%s%n%s%n", header.getTimeStamp(), header.getNonce(), data);
+    String wxPaySign = header.getSignature();
+    if (wxPaySign.startsWith("WECHATPAY/SIGNTEST/")) {
+      throw new WxSignTestException("微信支付签名探测流量");
+    }
+    String beforeSign = String.format("%s\n%s\n%s\n", header.getTimeStamp(), header.getNonce(), data);
     Verifier verifier = this.payService.getConfig().getVerifier();
     if (verifier == null) {
       throw new WxPayException("证书检验对象为空");
diff --git a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyResultTest.java b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyResultTest.java
index 963afb2618..e7a22ee6cd 100644
--- a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyResultTest.java
+++ b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyResultTest.java
@@ -119,7 +119,7 @@ public void testFromXMLFastMode() throws WxPayException {
       refundNotifyResult.loadReqInfo(xmlDecryptedReqInfo);
       assertEquals(refundNotifyResult.getReqInfo().getRefundFee().intValue(), 15);
       assertEquals(refundNotifyResult.getReqInfo().getRefundStatus(), "SUCCESS");
-      assertEquals(refundNotifyResult.getReqInfo().getRefundRecvAccout(), "用户零钱");
+      assertEquals(refundNotifyResult.getReqInfo().getRefundRecvAccount(), "用户零钱");
       System.out.println(refundNotifyResult);
     } finally {
       XmlConfig.fastMode = false;