diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Extensions/WechatTenpayClientEventVerificationExtensions.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Extensions/WechatTenpayClientEventVerificationExtensions.cs
index 6340e197..d46b28c2 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Extensions/WechatTenpayClientEventVerificationExtensions.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV2/Extensions/WechatTenpayClientEventVerificationExtensions.cs
@@ -4,6 +4,8 @@ using System.Xml;
 
 namespace SKIT.FlurlHttpClient.Wechat.TenpayV2
 {
+    using SKIT.FlurlHttpClient.Primitives;
+
     /// <summary>
     /// 为 <see cref="WechatTenpayClient"/> 提供回调通知事件签名验证的扩展方法。
     /// </summary>
@@ -15,24 +17,12 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV2
         /// <param name="client"></param>
         /// <param name="webhookBody">微信回调通知中请求正文。</param>
         /// <returns></returns>
-        /// <exception cref="ArgumentNullException"></exception>
-        public static bool VerifyEventSignature(this WechatTenpayClient client, string webhookBody)
-        {
-            return VerifyEventSignature(client, webhookBody, out _);
-        }
-
-        /// <summary>
-        /// <para>验证回调通知事件签名。</para>
-        /// </summary>
-        /// <param name="client"></param>
-        /// <param name="webhookBody">微信回调通知中请求正文。</param>
-        /// <param name="error"></param>
-        /// <returns></returns>
-        /// <exception cref="ArgumentNullException"></exception>
-        public static bool VerifyEventSignature(this WechatTenpayClient client, string webhookBody, out Exception? error)
+        public static ErroredResult VerifyEventSignature(this WechatTenpayClient client, string webhookBody)
         {
             if (client is null) throw new ArgumentNullException(nameof(client));
 
+            ErroredResult result;
+
             try
             {
 
@@ -49,14 +39,18 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV2
                 string signData = Utilities.JsonHelper.ParseToSortedQueryString(json);
                 string actualSign = Utilities.RequestSigner.SignFromSortedQueryString(signData, client.Credentials.MerchantSecret, signType);
 
-                error = null;
-                return string.Equals(expectedSign, actualSign, StringComparison.OrdinalIgnoreCase);
+                bool valid = string.Equals(expectedSign, actualSign, StringComparison.OrdinalIgnoreCase);
+                if (valid)
+                    result = ErroredResult.Ok();
+                else
+                    result = ErroredResult.Fail(new Exception($"Signature does not match. Maybe \"{actualSign}\" is an illegal signature."));
             }
             catch (Exception ex)
             {
-                error = new WechatTenpayException("Failed to verify event. Please see the inner exception for more details.", ex);
-                return false;
+                result = ErroredResult.Fail(ex);
             }
+
+            return result;
         }
     }
 }