diff --git a/src/SKIT.FlurlHttpClient.Wechat.Ads/README.md b/src/SKIT.FlurlHttpClient.Wechat.Ads/README.md
new file mode 100644
index 00000000..42fba951
--- /dev/null
+++ b/src/SKIT.FlurlHttpClient.Wechat.Ads/README.md
@@ -0,0 +1,31 @@
+## SKIT.FlurlHttpClient.Wechat.TenpayV2
+
+[![GitHub Stars](https://img.shields.io/github/stars/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat?logo=github&label=Stars)](https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat)
+[![GitHub Forks](https://img.shields.io/github/forks/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat?logo=github&label=Forks)](https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat)
+[![NuGet Download](https://img.shields.io/nuget/dt/SKIT.FlurlHttpClient.Wechat.TenpayV2.svg?sanitize=true&label=Downloads)](https://www.nuget.org/packages/SKIT.FlurlHttpClient.Wechat.TenpayV2)
+[![License](https://img.shields.io/github/license/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat?label=License)](https://mit-license.org/)
+
+基于 `Flurl.Http` 的微信商户平台 API v2 版客户端。
+
+**注意**：本库仅仅包含微信支付未提供 v3 版 API 的部分功能，如需微信支付 v3 版 API 客户端，欢迎使用 [`SKIT.FlurlHttpClient.Wechat.TenpayV3`](https://www.nuget.org/packages/SKIT.FlurlHttpClient.Wechat.TenpayV3)。
+
+---
+
+### 【功能特性】
+
+-   基于微信支付 v2 版 API 封装。
+-   支持直连商户、服务商两种模式。
+-   请求时自动生成签名，无需开发者手动干预。
+-   提供了微信支付所需的 MD5、HMAC-SHA-256 等算法工具类。
+
+---
+
+### 【开发文档】
+
+[点此查看](https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat)。
+
+---
+
+### 【更新日志】
+
+[点此查看](https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat/blob/main/CHANGELOG.md)。
\ No newline at end of file
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Ads/SKIT.FlurlHttpClient.Wechat.Ads.csproj b/src/SKIT.FlurlHttpClient.Wechat.Ads/SKIT.FlurlHttpClient.Wechat.Ads.csproj
index 9d322380..13c14202 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Ads/SKIT.FlurlHttpClient.Wechat.Ads.csproj
+++ b/src/SKIT.FlurlHttpClient.Wechat.Ads/SKIT.FlurlHttpClient.Wechat.Ads.csproj
@@ -9,6 +9,8 @@
 
     <PropertyGroup>
         <PackageId>SKIT.FlurlHttpClient.Wechat.Ads</PackageId>
+		<PackageIcon>LOGO.png</PackageIcon>
+		<PackageReadmeFile>README.md</PackageReadmeFile>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
         <PackageProjectUrl>https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat</PackageProjectUrl>
         <PackageTags>Flurl.Http Wechat Weixin MicroMessage WechatAds WechatAdvertisting 微信 广告平台 微信广告平台 腾讯广告平台 广点通 微信广点通 腾讯广点通</PackageTags>
@@ -17,17 +19,28 @@
         <Authors>Fu Diwei</Authors>
         <RepositoryType>git</RepositoryType>
         <RepositoryUrl>https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat.git</RepositoryUrl>
-        <GenerateDocumentationFile>true</GenerateDocumentationFile>
-        <IncludeSymbols>true</IncludeSymbols>
-        <SymbolPackageFormat>snupkg</SymbolPackageFormat>
     </PropertyGroup>
 
+	<PropertyGroup Condition="'$(Configuration)' == 'Release'">
+		<ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
+		<Deterministic>true</Deterministic>
+		<EmbedUntrackedSources>true</EmbedUntrackedSources>
+		<GenerateDocumentationFile>true</GenerateDocumentationFile>
+		<IncludeSymbols>true</IncludeSymbols>
+		<SymbolPackageFormat>snupkg</SymbolPackageFormat>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<None Include="../../LOGO.png" Pack="true" PackagePath="/" />
+		<None Include="README.md" Pack="true" PackagePath="/" />
+	</ItemGroup>
+
     <ItemGroup>
         <Reference Include="System.Web" Condition="'$(TargetFramework)' == 'net461'" />
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="SKIT.FlurlHttpClient.Common" Version="2.1.1" />
+        <PackageReference Include="SKIT.FlurlHttpClient.Common" Version="2.2.0" />
     </ItemGroup>
 
 </Project>
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Ads/Utilities/MD5Utility.cs b/src/SKIT.FlurlHttpClient.Wechat.Ads/Utilities/MD5Utility.cs
index a3444174..bcc31109 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Ads/Utilities/MD5Utility.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Ads/Utilities/MD5Utility.cs
@@ -10,7 +10,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads.Utilities
     public static class MD5Utility
     {
         /// <summary>
-        /// 获取信息摘要。
+        /// 获取 MD5 信息摘要。
         /// </summary>
         /// <param name="bytes">信息字节数组。</param>
         /// <returns>信息摘要。</returns>
@@ -24,7 +24,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads.Utilities
         }
 
         /// <summary>
-        /// 获取信息摘要。
+        /// 获取 MD5 信息摘要。
         /// </summary>
         /// <param name="message">文本信息。</param>
         /// <returns>信息摘要。</returns>
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests.csproj b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests.csproj
index 6a6f3027..7e11db16 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests.csproj
+++ b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests.csproj
@@ -1,8 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-		<TargetFrameworks>netcoreapp3.1; net6.0</TargetFrameworks>
-		<LangVersion>9.0</LangVersion>
+		<TargetFrameworks>net472; netcoreapp3.1; net6.0</TargetFrameworks>
+		<LangVersion>latest</LangVersion>
+		<Nullable>enable</Nullable>
+		<NullableReferenceTypes>true</NullableReferenceTypes>
+		<IsPackable>false</IsPackable>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestCase_CodeReviewAnalyzer.cs b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestCase_CodeReviewAnalyzer.cs
new file mode 100644
index 00000000..67eb5b8b
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestCase_CodeReviewAnalyzer.cs
@@ -0,0 +1,57 @@
+using System.IO;
+using System.Reflection;
+using Xunit;
+
+namespace SKIT.FlurlHttpClient.Wechat.Ads.UnitTests
+{
+    public class TestCase_CodeReviewAnalyzer
+    {
+        private Assembly SourceAssembly { get; } = Assembly.Load("SKIT.FlurlHttpClient.Wechat.Ads");
+
+        [Fact(DisplayName = "代码评审：分析 API 模型命名")]
+        public void TestApiModelsNaming()
+        {
+            CodeStyleUtil.VerifyApiModelsNaming(SourceAssembly, out var ex);
+
+            if (ex != null)
+                throw ex;
+
+            Assert.Null(ex);
+        }
+
+        [Fact(DisplayName = "代码评审：分析 API 模型定义")]
+        public void TestApiModelsDefinition()
+        {
+            string workdir = Path.Combine(TestConfigs.ProjectTestDirectory, "ModelSamples");
+            CodeStyleUtil.VerifyApiModelsDefinition(SourceAssembly, workdir, out var ex);
+
+            if (ex != null)
+                throw ex;
+
+            Assert.Null(ex);
+        }
+
+        [Fact(DisplayName = "代码评审：分析 API 接口命名")]
+        public void TestApiExtensionsNaming()
+        {
+            CodeStyleUtil.VerifyApiExtensionsNaming(SourceAssembly, out var ex);
+
+            if (ex != null)
+                throw ex;
+
+            Assert.Null(ex);
+        }
+
+        [Fact(DisplayName = "代码评审：分析代码规范")]
+        public void TestCodeStyle()
+        {
+            string workdir = Path.Combine(TestConfigs.ProjectSourceDirectory);
+            CodeStyleUtil.VerifySourceCodeStyle(workdir, out var ex);
+
+            if (ex != null)
+                throw ex;
+
+            Assert.Null(ex);
+        }
+    }
+}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/WechatAdsSecurityTests.cs b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestCase_HashUtilityTests.cs
similarity index 59%
rename from test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/WechatAdsSecurityTests.cs
rename to test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestCase_HashUtilityTests.cs
index c2ed584c..ea2b0c88 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/WechatAdsSecurityTests.cs
+++ b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestCase_HashUtilityTests.cs
@@ -1,17 +1,11 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
-using Xunit;
+using Xunit;
 
 namespace SKIT.FlurlHttpClient.Wechat.Ads.UnitTests
 {
-    public class WechatAdsSecurityTests
+    public class TestCase_HashUtilityTests
     {
-        [Fact(DisplayName = "信息摘要（MD5）")]
-        public void Md5HashTest()
+        [Fact(DisplayName = "测试用例：MD5 信息摘要")]
+        public void TestMD5Hash()
         {
             string rawData = "spidbff89d5138160943040012345678901234567890uFolxxiZbrZ/PRbyen5uK5D1kgIB2yHyDsfDGxxgeG";
 
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestClients.cs b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestClients.cs
index ac2e757f..970b4371 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestClients.cs
+++ b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestClients.cs
@@ -1,6 +1,4 @@
-using System;
-
-namespace SKIT.FlurlHttpClient.Wechat.Ads.UnitTests
+namespace SKIT.FlurlHttpClient.Wechat.Ads.UnitTests
 {
     class TestClients
     {
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestConfigs.cs b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestConfigs.cs
index eb5dd41c..508e1764 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestConfigs.cs
+++ b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/TestConfigs.cs
@@ -8,8 +8,9 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads.UnitTests
     {
         static TestConfigs()
         {
-            // NOTICE: 请在项目根目录下按照 appsettings.json 的格式新建 appsettings.local.json 填入测试参数。
-            // WARN: 敏感信息请不要提交到 git！
+            // NOTICE:  请在项目根目录下按照 appsettings.json 的格式新建 appsettings.local.json 填入测试参数。
+            // WARNING: 请在 DEBUG 模式下运行测试用例。 
+            // WARNING: 敏感信息请不要提交到 git！
 
             try
             {
@@ -17,13 +18,13 @@ namespace SKIT.FlurlHttpClient.Wechat.Ads.UnitTests
                 using var jdoc = JsonDocument.Parse(stream);
 
                 var config = jdoc.RootElement.GetProperty("TestConfig");
-                WechatAgencyId = config.GetProperty("AgencyId").GetString();
-                WechatAgencyAppId = config.GetProperty("AgencyAppId").GetString();
-                WechatAgencyApiKey = config.GetProperty("AgencyApiKey").GetString();
-                WechatAccessToken = config.GetProperty("AccessToken").GetString();
+                WechatAgencyId = config.GetProperty("AgencyId").GetString()!;
+                WechatAgencyAppId = config.GetProperty("AgencyAppId").GetString()!;
+                WechatAgencyApiKey = config.GetProperty("AgencyApiKey").GetString()!;
+                WechatAccessToken = config.GetProperty("AccessToken").GetString()!;
 
-                ProjectSourceDirectory = jdoc.RootElement.GetProperty("ProjectSourceDirectory").GetString();
-                ProjectTestDirectory = jdoc.RootElement.GetProperty("ProjectTestDirectory").GetString();
+                ProjectSourceDirectory = jdoc.RootElement.GetProperty("ProjectSourceDirectory").GetString()!;
+                ProjectTestDirectory = jdoc.RootElement.GetProperty("ProjectTestDirectory").GetString()!;
             }
             catch (Exception ex)
             {
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/WechatAdsDeclarationTests.cs b/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/WechatAdsDeclarationTests.cs
deleted file mode 100644
index bdc22400..00000000
--- a/test/SKIT.FlurlHttpClient.Wechat.Ads.UnitTests/WechatAdsDeclarationTests.cs
+++ /dev/null
@@ -1,62 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Reflection;
-using System.Threading;
-using System.Threading.Tasks;
-using Xunit;
-
-namespace SKIT.FlurlHttpClient.Wechat.Ads.UnitTests
-{
-    public class WechatAdsDeclarationTests
-    {
-        private static readonly Assembly _assembly = Assembly.Load("SKIT.FlurlHttpClient.Wechat.Ads");
-
-        [Fact(DisplayName = "验证 API 模型命名")]
-        public void ApiModelsNamingTest()
-        {
-            CodeStyleUtil.VerifyApiModelsNaming(_assembly, out var ex);
-
-            if (ex != null)
-                throw ex;
-
-            Assert.Null(ex);
-        }
-
-        [Fact(DisplayName = "验证 API 模型定义")]
-        public void ApiModelsDefinitionTest()
-        {
-            string workdir = Path.Combine(TestConfigs.ProjectTestDirectory, "ModelSamples");
-            CodeStyleUtil.VerifyApiModelsDefinition(_assembly, workdir, out var ex);
-
-            if (ex != null)
-                throw ex;
-
-            Assert.Null(ex);
-        }
-
-        [Fact(DisplayName = "验证 API 接口命名")]
-        public void ApiExtensionsNamingTest()
-        {
-            CodeStyleUtil.VerifyApiExtensionsNaming(_assembly, out var ex);
-
-            if (ex != null)
-                throw ex;
-
-            Assert.Null(ex);
-        }
-
-        [Fact(DisplayName = "验证代码规范")]
-        public void CodeStyleTest()
-        {
-            string workdir = Path.Combine(TestConfigs.ProjectSourceDirectory);
-            CodeStyleUtil.VerifySourceCodeStyle(workdir, out var ex);
-
-            if (ex != null)
-                throw ex;
-
-            Assert.Null(ex);
-        }
-    }
-}
diff --git a/test/SKIT.FlurlHttpClient.Wechat.TestTools/SKIT.FlurlHttpClient.Wechat.TestTools.csproj b/test/SKIT.FlurlHttpClient.Wechat.TestTools/SKIT.FlurlHttpClient.Wechat.TestTools.csproj
index 9117e429..e2262421 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TestTools/SKIT.FlurlHttpClient.Wechat.TestTools.csproj
+++ b/test/SKIT.FlurlHttpClient.Wechat.TestTools/SKIT.FlurlHttpClient.Wechat.TestTools.csproj
@@ -7,7 +7,7 @@
     </PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="SKIT.FlurlHttpClient.Common" Version="2.1.1" />
+		<PackageReference Include="SKIT.FlurlHttpClient.Common" Version="2.2.0" />
 	</ItemGroup>
 
 </Project>