diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxPayUnifiedOrderRequest.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxPayUnifiedOrderRequest.java
index bf29a55b3..5ce85e7ff 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxPayUnifiedOrderRequest.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxPayUnifiedOrderRequest.java
@@ -311,7 +311,7 @@ public class WxPayUnifiedOrderRequest extends BaseWxPayRequest {
    * 是否必填：否
    * 类型：String(8)
    * 示例值：Y
-   * 描述：	Y，传入Y时，支付成功消息和支付详情页将出现开票入口。需要在微信支付商户平台或微信公众平台开通电子发票功能，传此字段才可生效
+   * 描述：Y，传入Y时，支付成功消息和支付详情页将出现开票入口。需要在微信支付商户平台或微信公众平台开通电子发票功能，传此字段才可生效
    * </pre>
    */
   @XStreamAlias("receipt")