diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3Result.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3Result.java
index c9b5744b3..1180815df 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3Result.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3Result.java
@@ -83,7 +83,7 @@ public class WxPayUnifiedOrderV3Result implements Serializable {
     private String paySign;
 
     private String getSignStr() {
-      return String.format("%s%n%s%n%s%n%s%n", appId, timeStamp, nonceStr, packageValue);
+      return String.format("%s\n%s\n%s\n%s\n", appId, timeStamp, nonceStr, packageValue);
     }
   }
 
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BusinessCircleServiceImpl.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BusinessCircleServiceImpl.java
index ee0874aa8..49c400538 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BusinessCircleServiceImpl.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BusinessCircleServiceImpl.java
@@ -46,7 +46,7 @@ public class BusinessCircleServiceImpl implements BusinessCircleService {
    * @return true:校验通过 false:校验不通过
    */
   private boolean verifyNotifySign(SignatureHeader header, String data) {
-    String beforeSign = String.format("%s%n%s%n%s%n", header.getTimeStamp(), header.getNonce(), data);
+    String beforeSign = String.format("%s\n%s\n%s\n", header.getTimeStamp(), header.getNonce(), data);
     return payService.getConfig().getVerifier().verify(header.getSerialNo(),
       beforeSign.getBytes(StandardCharsets.UTF_8), header.getSigned());
   }
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/MarketingFavorServiceImpl.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/MarketingFavorServiceImpl.java
index 8917db7d9..5923d0e10 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/MarketingFavorServiceImpl.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/MarketingFavorServiceImpl.java
@@ -177,7 +177,7 @@ public class MarketingFavorServiceImpl implements MarketingFavorService {
    * @return true:校验通过 false:校验不通过
    */
   private boolean verifyNotifySign(SignatureHeader header, String data) {
-    String beforeSign = String.format("%s%n%s%n%s%n", header.getTimeStamp(), header.getNonce(), data);
+    String beforeSign = String.format("%s\n%s\n%s\n", header.getTimeStamp(), header.getNonce(), data);
     return payService.getConfig().getVerifier().verify(header.getSerialNo(),
       beforeSign.getBytes(StandardCharsets.UTF_8), header.getSigned());
   }
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/PayScoreServiceImpl.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/PayScoreServiceImpl.java
index d4313a8db..0b237fda3 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/PayScoreServiceImpl.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/PayScoreServiceImpl.java
@@ -303,7 +303,7 @@ public class PayScoreServiceImpl implements PayScoreService {
    * @return true:校验通过 false:校验不通过
    */
   private boolean verifyNotifySign(SignatureHeader header, String data) {
-    String beforeSign = String.format("%s%n%s%n%s%n", header.getTimeStamp(), header.getNonce(), data);
+    String beforeSign = String.format("%s\n%s\n%s\n", header.getTimeStamp(), header.getNonce(), data);
     return payService.getConfig().getVerifier().verify(header.getSerialNo(),
       beforeSign.getBytes(StandardCharsets.UTF_8), header.getSigned());
   }