diff --git a/Directory.Build.props b/Directory.Build.props
index bd314cafe..ea9f95cde 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -4,7 +4,7 @@
 		<Copyright>Copyright (c) Essensoft and Contributors</Copyright>
 		<Authors>Essensoft</Authors>
 		<Product>Paylinks</Product>
-		<Version>5.0.2</Version>
+		<Version>5.0.3</Version>
 		<NoWarn>$(NoWarn);CS8618</NoWarn>
 		<PackageIcon>logo.png</PackageIcon>
 		<PackageProjectUrl>https://github.com/essensoft/paylinks</PackageProjectUrl>
diff --git a/src/Essensoft.Paylinks.Alipay.Payments/Notify/AlipayTradeStatusSyncNotify.cs b/src/Essensoft.Paylinks.Alipay.Payments/Notify/AlipayTradeStatusSyncNotify.cs
index e1438b725..9447ce042 100644
--- a/src/Essensoft.Paylinks.Alipay.Payments/Notify/AlipayTradeStatusSyncNotify.cs
+++ b/src/Essensoft.Paylinks.Alipay.Payments/Notify/AlipayTradeStatusSyncNotify.cs
@@ -79,6 +79,12 @@ public class AlipayTradeStatusSyncNotify : IAlipayNotify
     [JsonPropertyName("buyer_id")]
     public string BuyerId { get; set; }
 
+    /// <summary>
+    /// 买家支付宝用户唯一标识  详情可查看 openid简介
+    /// </summary>
+    [JsonPropertyName("buyer_open_id")]
+    public string? BuyerOpenId { get; set; }
+
     /// <summary>
     /// 买家支付宝账号
     /// </summary>