diff --git a/src/Senparc.Weixin.MP/Senparc.Weixin.MP.Test/OpenAPIs/OpenApiTests.cs b/src/Senparc.Weixin.MP/Senparc.Weixin.MP.Test/OpenAPIs/OpenApiTests.cs
index 598a8dff2a..b3c6279f8b 100644
--- a/src/Senparc.Weixin.MP/Senparc.Weixin.MP.Test/OpenAPIs/OpenApiTests.cs
+++ b/src/Senparc.Weixin.MP/Senparc.Weixin.MP.Test/OpenAPIs/OpenApiTests.cs
@@ -1,5 +1,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Senparc.CO2NET.Extensions;
+using Senparc.Weixin.Helpers;
 using Senparc.Weixin.MP.OpenAPIs;
 using Senparc.Weixin.MP.Test.CommonAPIs;
 using Senparc.WeixinTests;
@@ -53,10 +54,7 @@ public void RidGetTest()
 
                 Thread.Sleep(1000);//时间太快rid还没有被记录
 
-                var regex = new Regex("rid:(?<rid>[^\"]+)");
-                var ridResult = regex.Match(ex.JsonResult.errmsg);
-                Assert.IsTrue(ridResult.Success);
-                var rid = ridResult.Groups["rid"].Value;
+                var rid = ex.GetRid();
                 Console.WriteLine("rid:" + rid);
 
                 var result = OpenApi.RidGet(appId, "62e56973-0c7be0b1-368b3439");
diff --git a/src/Senparc.Weixin/Senparc.Weixin/Helpers/JsonResultHelper.cs b/src/Senparc.Weixin/Senparc.Weixin/Helpers/JsonResultHelper.cs
new file mode 100644
index 0000000000..59c368f9ad
--- /dev/null
+++ b/src/Senparc.Weixin/Senparc.Weixin/Helpers/JsonResultHelper.cs
@@ -0,0 +1,81 @@
+#region Apache License Version 2.0
+/*----------------------------------------------------------------
+
+Copyright 2022 Jeffrey Su & Suzhou Senparc Network Technology Co.,Ltd.
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+except in compliance with the License. You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed under the
+License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+either express or implied. See the License for the specific language governing permissions
+and limitations under the License.
+
+Detail: https://github.com/JeffreySu/WeiXinMPSDK/blob/master/license.md
+
+----------------------------------------------------------------*/
+#endregion Apache License Version 2.0
+
+/*----------------------------------------------------------------
+    Copyright (C) 2022 Senparc
+    
+    文件名：JsonResultHelper.cs
+    文件功能描述：JsonResult 帮助类
+    
+    创建标识：Senparc - 20220731
+
+----------------------------------------------------------------*/
+
+using Senparc.Weixin.Entities;
+using Senparc.Weixin.Exceptions;
+using System.Text.RegularExpressions;
+
+namespace Senparc.Weixin.Helpers
+{
+    /// <summary>
+    /// JsonResult 帮助类
+    /// </summary>
+    public static class JsonResultHelper
+    {
+        /// <summary>
+        /// 获取错误信息中的 rid 信息
+        /// </summary>
+        /// <param name="errmsg">errmsg</param>
+        /// <returns></returns>
+        public static string GetRid(string errmsg)
+        {
+            var regex = new Regex("rid:(?<rid>[^\"]+)");
+            var ridResult = regex.Match(errmsg);
+            if (ridResult.Success)
+            {
+                return ridResult.Groups["rid"].Value;
+            }
+            else
+            {
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// 获取错误信息中的 rid 信息
+        /// </summary>
+        /// <param name="wxJsonResult">WxJsonResult</param>
+        /// <returns></returns>
+        public static string GetRid(this WxJsonResult wxJsonResult)
+        {
+            return GetRid(wxJsonResult.errmsg);
+        }
+
+        /// <summary>
+        /// 获取错误信息中的 rid 信息
+        /// </summary>
+        /// <param name="ex">ErrorJsonResultException</param>
+        /// <returns></returns>
+        public static string GetRid(this ErrorJsonResultException ex)
+        {
+            return ex.JsonResult.GetRid();
+        }
+    }
+}
diff --git a/src/Senparc.Weixin/Senparc.Weixin/Senparc.Weixin.net6.csproj b/src/Senparc.Weixin/Senparc.Weixin/Senparc.Weixin.net6.csproj
index a817bb0d6c..f2d8c53f47 100644
--- a/src/Senparc.Weixin/Senparc.Weixin/Senparc.Weixin.net6.csproj
+++ b/src/Senparc.Weixin/Senparc.Weixin/Senparc.Weixin.net6.csproj
@@ -329,7 +329,11 @@
 		v6.15 最低 .NET Framework 版本升级至 4.6.2
 		v6.15.2 更新 ReturnCode 枚举，添加“半屏小程序管理”代码
 		v6.15.3 使用最新 CO2NET，处理微信服务器无法识别中文文件名的问题。
-</PackageReleaseNotes>
+		v6.15.4
+		1、更新 TryCommonApiBase 异常抛出逻辑
+		2、添加 JsonResultHelper
+		3、更新 ReturnCode 枚举，OpenApi 中的错误代码
+	</PackageReleaseNotes>
     <RepositoryUrl>https://github.com/JeffreySu/WeiXinMPSDK</RepositoryUrl>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">