diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPaySendRedpackResult.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPaySendRedpackResult.java
index adc6a688f..49390da89 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPaySendRedpackResult.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPaySendRedpackResult.java
@@ -10,7 +10,7 @@ import java.io.Serializable;
 
 /**
  * 向微信用户个人发现金红包返回结果
- * https://pay.weixin.qq.com/wiki/doc/api/cash_coupon.php?chapter=13_5
+ * https://pay.weixin.qq.com/wiki/doc/api/tools/cash_coupon.php?chapter=13_4&index=3
  *
  * @author kane
  */