diff --git a/samples/SKIT.FlurlHttpClient.Wechat.Api.Sample_Net6/Startup.cs b/samples/SKIT.FlurlHttpClient.Wechat.Api.Sample_Net6/Startup.cs
index 557fd7ee..2f8fd187 100644
--- a/samples/SKIT.FlurlHttpClient.Wechat.Api.Sample_Net6/Startup.cs
+++ b/samples/SKIT.FlurlHttpClient.Wechat.Api.Sample_Net6/Startup.cs
@@ -1,4 +1,4 @@
-using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 
@@ -17,21 +17,21 @@ namespace SKIT.FlurlHttpClient.Wechat.Api.Sample
         {
             services.AddControllers();
 
-            // ע����������ݼ� `appsettings.json` �ļ���
+            // 注入配置项（内容见 `appsettings.json` 文件）
             services.AddOptions();
             services.Configure<Options.WechatOptions>(Configuration.GetSection(nameof(Options.WechatOptions)));
 
-            // ע��ֲ�ʽ��
+            // 注入分布式锁
             services.AddSingleton<Services.DistributedLock.IDistributedLockFactory, Services.DistributedLock.Implements.DistributedLockFactory>();
 
-            // ע��ִ���
+            // 注入仓储类
             services.AddSingleton<Services.Repositories.IWechatAccessTokenEntityRepository, Services.Repositories.Implements.WechatAccessTokenEntityRepository>();
 
-            // ע�빤�� HTTP �ͻ���
+            // 注入工厂 HTTP 客户端
             services.AddHttpClient();
             services.AddSingleton<Services.HttpClients.IWechatApiHttpClientFactory, Services.HttpClients.Implements.WechatApiHttpClientFactory>();
 
-            // ע���̨����
+            // 注入后台任务
             services.AddHostedService<Services.BackgroundServices.WechatAccessTokenRefreshingBackgroundService>();
         }
 
diff --git a/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_Net6/Startup.cs b/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_Net6/Startup.cs
index 3796f6dc..535c75b7 100644
--- a/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_Net6/Startup.cs
+++ b/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_Net6/Startup.cs
@@ -1,4 +1,4 @@
-using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
@@ -18,16 +18,16 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample
         {
             services.AddControllers();
 
-            // ע����������ݼ� `appsettings.json` �ļ���
+            // 注入配置项（内容见 `appsettings.json` 文件）
             services.AddOptions();
             services.Configure<Options.TenpayOptions>(Configuration.GetSection(nameof(Options.TenpayOptions)));
 
-            // ע�빤�� HTTP �ͻ���
+            // 注入工厂 HTTP 客户端
             services.AddHttpClient();
             services.AddSingleton<Services.HttpClients.IWechatTenpayCertificateManagerFactory, Services.HttpClients.Implements.WechatTenpayCertificateManagerFactory>();
             services.AddSingleton<Services.HttpClients.IWechatTenpayHttpClientFactory, Services.HttpClients.Implements.WechatTenpayHttpClientFactory>();
 
-            // ע���̨����
+            // 注入后台任务
             services.AddHostedService<Services.BackgroundServices.TenpayCertificateRefreshingBackgroundService>();
         }
 
diff --git a/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_Net6/appsettings.json b/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_Net6/appsettings.json
index 77a035cd..7f584a02 100644
--- a/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_Net6/appsettings.json
+++ b/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_Net6/appsettings.json
@@ -1,4 +1,4 @@
-{
+{
     "Logging": {
         "LogLevel": {
             "Default": "Information",
@@ -12,10 +12,10 @@
     "TenpayOptions": {
         "Merchants": [
             {
-                "MerchantId": "��д�̻���",
-                "SecretV3": "��д�̻� V3 API ��Կ",
-                "CertSerialNumber": "��д�̻�֤�����к�",
-                "CertPrivateKey": "��д�̻�֤���ļ�����"
+                "MerchantId": "填写商户号",
+                "SecretV3": "填写商户 V3 API 密钥",
+                "CertSerialNumber": "填写商户证书序列号",
+                "CertPrivateKey": "填写商户证书文件内容"
             }
         ],
         "NotifyUrl": "https://localhost:5001"
diff --git a/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_NetFramework47/Global.asax.cs b/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_NetFramework47/Global.asax.cs
index ff4974e5..abf2b5ab 100644
--- a/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_NetFramework47/Global.asax.cs
+++ b/samples/SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample_NetFramework47/Global.asax.cs
@@ -1,4 +1,4 @@
-namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample
+namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample
 {
     public class WebApiApplication : HttpApplication
     {
@@ -6,22 +6,22 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Sample
 
         protected void Application_Start()
         {
-            // ע�� WebAPI ����
+            // 注册 WebAPI 区域
             AreaRegistration.RegisterAllAreas();
 
-            // ע�� WebAPI ����
+            // 注册 WebAPI 配置
             GlobalConfiguration.Configure(WebApiConfiguration.Register);
 
-            // ע��ȫ�ֹ�����
+            // 注册全局过滤器
             FilterRegistration.RegisterGlobalFilters(GlobalFilters.Filters);
 
-            // ע��·�ɱ�
+            // 注册路由表
             RouteRegistration.RegisterRoutes(RouteTable.Routes);
 
-            // ��ʼ�� Autofac ����ע������
+            // 初始化 Autofac 依赖注入容器
             AutofacInitializer.Init();
 
-            // ��ʼ�� Hangfire ��ʱ����
+            // 初始化 Hangfire 定时任务
             _backgroundJobServer = HangfireInitializer.Init();
         }
 
diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV2.UnitTests/TestCase_JsonConverterTests.cs b/test/SKIT.FlurlHttpClient.Wechat.TenpayV2.UnitTests/TestCase_JsonConverterTests.cs
index ac4f8c4e..afedb107 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV2.UnitTests/TestCase_JsonConverterTests.cs
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV2.UnitTests/TestCase_JsonConverterTests.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using Xunit;
 
@@ -6,7 +6,7 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV2.UnitTests
 {
     public class TestCase_JsonConverterTests
     {
-        [Fact(DisplayName = "�����������Զ���ת����֮ `FlattenNArrayObjectConverterBase`")]
+        [Fact(DisplayName = "测试用例：自定义转换器之 `FlattenNArrayObjectConverterBase`")]
         public void TestFlattenNArrayObjectConverter()
         {
             var newtonsoftJsonSerializer = new FlurlNewtonsoftJsonSerializer();