diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b3b8c66..09e7ca6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -635,6 +635,18 @@
 
 <summary>[展开查看]</summary>
 
+-   Release 3.1.0 (2024-03-10)
+
+    -   **新增**：新增查询爱心餐品牌信息接口。
+
+    -   **新增**：新增银行从业结构微信支付分修改订单金额、同步订单信息等接口。
+
+    -   **修复**：修复二级商户进件接口路径错误。
+
+    -   **修复**：修复异步加密请求中敏感数据不能降级为同步调用的问题。
+
+    -   **修复**：修复解密响应中敏感数据在部分情况下抛出异常的问题。
+
 -   Release 3.0.1 (2024-02-15)
 
     -   **修复**：修复部分接口请求签名错误。（_via_ [GitHub #122](https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat/issues/122)）
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Interceptors/WechatTenpayRequestSigningInterceptor.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Interceptors/WechatTenpayRequestSigningInterceptor.cs
index 343d9cd1..98ec7522 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Interceptors/WechatTenpayRequestSigningInterceptor.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Interceptors/WechatTenpayRequestSigningInterceptor.cs
@@ -40,7 +40,7 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Interceptors
             {
                 if (context.FlurlCall.HttpRequestMessage.Content is MultipartFormDataContent multipartFormData)
                 {
-                    HttpContent httpContent = multipartFormData.SingleOrDefault(e => FormDataFields.FORMDATA_META.Equals(e.Headers.ContentDisposition?.Name?.Trim('\"')));
+                    HttpContent? httpContent = multipartFormData.SingleOrDefault(e => FormDataFields.FORMDATA_META.Equals(e.Headers.ContentDisposition?.Name?.Trim('\"')));
                     if (httpContent is not null)
                     {
                         body = await _AsyncEx.RunTaskWithCancellationTokenAsync(httpContent.ReadAsStringAsync(), cancellationToken).ConfigureAwait(false);
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/SKIT.FlurlHttpClient.Wechat.TenpayV3.csproj b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/SKIT.FlurlHttpClient.Wechat.TenpayV3.csproj
index 26139a94..da84c285 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/SKIT.FlurlHttpClient.Wechat.TenpayV3.csproj
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/SKIT.FlurlHttpClient.Wechat.TenpayV3.csproj
@@ -14,7 +14,7 @@
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
         <PackageProjectUrl>https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat</PackageProjectUrl>
         <PackageTags>Flurl.Http Wechat Weixin MicroMessage Tenpay WechatPay WeixinPay Wxpay 微信 微信支付 微信商户</PackageTags>
-        <Version>3.0.1</Version>
+        <Version>3.1.0</Version>
         <Description>基于 Flurl.Http 的微信支付 API v3 版客户端，支持商户（直连）、合作伙伴（服务商、渠道商、机构、银行）模式，支持基础支付、代金券、商家券、委托营销、消费卡、支付有礼、银行定向促活、微信支付分、微信先享卡、支付即服务、点金计划、智慧商圈、电商收付通、平台收付通、二级商户进件、小微商户进件、消费者投诉、商户风控管理、商户违规通知、批量转账到零钱、银行组件、海关报关、融合钱包、微工卡、电子发票、电子小票、车主平台、教育续费通、校园轻松付等功能。</Description>
         <Authors>Fu Diwei</Authors>
         <RepositoryType>git</RepositoryType>
@@ -41,7 +41,7 @@
 
     <ItemGroup>
         <PackageReference Include="BouncyCastle.Cryptography" Version="2.2.1" />
-        <PackageReference Include="System.ValueTuple" Version="4.5.0" Condition="'$(TargetFramework)' == 'net461'" />
+        <PackageReference Include="System.ValueTuple" Version="4.5.0" Condition="'$(TargetFramework)' == 'net462'" />
         <PackageReference Include="SKIT.FlurlHttpClient.Common" Version="3.0.0" />
     </ItemGroup>
 
diff --git a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Settings/CertificateManager.cs b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Settings/CertificateManager.cs
index da81b120..67cae615 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Settings/CertificateManager.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.TenpayV3/Settings/CertificateManager.cs
@@ -77,7 +77,7 @@ namespace SKIT.FlurlHttpClient.Wechat.TenpayV3.Settings
     }
 
     /// <summary>
-    /// 一个基于内存实现的 <see cref="CertificateManager"/>。
+    /// 一个基于内存实现的 <see cref="ICertificateManager"/>。
     /// </summary>
     public sealed class InMemoryCertificateManager : ICertificateManager
     {