diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1eca59cf..e2c02a4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -792,6 +792,10 @@
 
 <summary>[展开查看]</summary>
 
+-   Release 2.16.0
+
+    -   **新增**：实现会话内容存档导出聊天记录相关功能。
+
 -   Release 2.15.0
 
     -   **新增**：新增文档表格相关接口。
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/README.md b/src/SKIT.FlurlHttpClient.Wechat.Work/README.md
index d7f96d58..8e3c4c42 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/README.md
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/README.md
@@ -10,7 +10,8 @@
 
 -   基于企业微信 API 封装。
 -   支持企业内部开发、第三方应用开发、服务商代开发、智慧硬件开发四种模式。
--   提供了企业微信 API 所需的 AES、SHA-1 等算法工具类。
+-   提供了企业微信 API 所需的 AES、RSA、SHA-1 等算法工具类。
+-   提供了企业微信会话内容存档 SDK 的相关功能封装。
 -   提供了 JS-SDK 签名、解析回调通知事件等扩展方法。
 
 ---
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/InteropServices/FinanceDllLinuxPInvoker.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/InteropServices/FinanceDllLinuxPInvoker.cs
index 097452e7..065bd79e 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/InteropServices/FinanceDllLinuxPInvoker.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/InteropServices/FinanceDllLinuxPInvoker.cs
@@ -20,7 +20,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work.SDK.Finance.InteropServices
         public static extern int GetMediaData(IntPtr sdk, string indexBuf, string fileId, string proxy, string passwd, long timeout, IntPtr mediaData);
 
         [DllImport(DLL_NAME, SetLastError = true, CallingConvention = CallingConvention.Cdecl)]
-        public static extern int DecryptData(IntPtr sdk, string encryptKey, string encryptMsg, IntPtr msgData);
+        public static extern int DecryptData(string encryptKey, string encryptMsg, IntPtr msgData);
 
         [DllImport(DLL_NAME, SetLastError = true, CallingConvention = CallingConvention.Cdecl)]
         public static extern void DestroySdk(IntPtr sdk);
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/InteropServices/FinanceDllWindowsPInvoker.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/InteropServices/FinanceDllWindowsPInvoker.cs
index dd0baedb..bc5c9e3d 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/InteropServices/FinanceDllWindowsPInvoker.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/InteropServices/FinanceDllWindowsPInvoker.cs
@@ -26,7 +26,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work.SDK.Finance.InteropServices
 
         [DllImport(DLL_NAME, SetLastError = true, CallingConvention = CallingConvention.Cdecl)]
         [SuppressUnmanagedCodeSecurity]
-        public static extern int DecryptData(IntPtr sdk, string encryptKey, string encryptMsg, IntPtr msgData);
+        public static extern int DecryptData(string encryptKey, string encryptMsg, IntPtr msgData);
 
         [DllImport(DLL_NAME, SetLastError = true, CallingConvention = CallingConvention.Cdecl)]
         [SuppressUnmanagedCodeSecurity]
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/Models/GetMediaFileBufferResponse.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/Models/GetMediaFileBufferResponse.cs
index e2058f3c..49d14949 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/Models/GetMediaFileBufferResponse.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/Models/GetMediaFileBufferResponse.cs
@@ -24,7 +24,7 @@ namespace SKIT.FlurlHttpClient.Wechat.Work.SDK.Finance.Models
         public string? NextBufferIndex { get; set; }
 
         /// <summary>
-        /// 获取或设置是否完成。
+        /// 获取或设置是否已是最后一个分片。
         /// </summary>
         [Newtonsoft.Json.JsonIgnore]
         [System.Text.Json.Serialization.JsonIgnore]
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/WechatWorkFinanceClient.cs b/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/WechatWorkFinanceClient.cs
index 63dd27e6..96a05b05 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/WechatWorkFinanceClient.cs
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/SDK/Finance/WechatWorkFinanceClient.cs
@@ -211,8 +211,8 @@ namespace SKIT.FlurlHttpClient.Wechat.Work.SDK.Finance
                 try
                 {
                     int ret = /* 解密聊天记录数据 */
-                        IsRunOnWindows() ? FinanceDllWindowsPInvoker.DecryptData(_sdkPtr, encryptKey, request.EncryptedChatMessage, dataPtr) :
-                        IsRunOnLinux() ? FinanceDllLinuxPInvoker.DecryptData(_sdkPtr, encryptKey, request.EncryptedChatMessage, dataPtr) :
+                        IsRunOnWindows() ? FinanceDllWindowsPInvoker.DecryptData(encryptKey, request.EncryptedChatMessage, dataPtr) :
+                        IsRunOnLinux() ? FinanceDllLinuxPInvoker.DecryptData(encryptKey, request.EncryptedChatMessage, dataPtr) :
                         throw new PlatformNotSupportedException();
                     if (ret == 0)
                     {
diff --git a/src/SKIT.FlurlHttpClient.Wechat.Work/SKIT.FlurlHttpClient.Wechat.Work.csproj b/src/SKIT.FlurlHttpClient.Wechat.Work/SKIT.FlurlHttpClient.Wechat.Work.csproj
index 78a0bba4..5f1cd00f 100644
--- a/src/SKIT.FlurlHttpClient.Wechat.Work/SKIT.FlurlHttpClient.Wechat.Work.csproj
+++ b/src/SKIT.FlurlHttpClient.Wechat.Work/SKIT.FlurlHttpClient.Wechat.Work.csproj
@@ -14,8 +14,8 @@
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
         <PackageProjectUrl>https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat</PackageProjectUrl>
         <PackageTags>Flurl.Http Wechat Weixin MicroMessage WechatWork WeixinWork Wxwork 微信 企业微信 企业号 微信企业号</PackageTags>
-        <Version>2.15.0</Version>
-        <Description>基于 Flurl.Http 的企业微信 API 客户端，支持企业内部开发、第三方应用开发、服务商代开发、智慧硬件开发模式，支持基础服务、通讯录管理、身份验证、企业互联、上下游、消息推送、应用管理、素材管理、电子发票、客户联系、微信客服、企业支付、家校沟通、家校应用、政民沟通、邮件、文档、日程、会议、微盘、直播、公费电话、打卡、审批、汇报、会议室、紧急通知应用、硬件云端接入等功能。</Description>
+        <Version>2.16.0</Version>
+        <Description>基于 Flurl.Http 的企业微信 API 客户端，支持企业内部开发、第三方应用开发、服务商代开发、智慧硬件开发模式，支持基础服务、通讯录管理、身份验证、企业互联、上下游、消息推送、应用管理、素材管理、电子发票、客户联系、微信客服、企业支付、会话内容存档、家校沟通、家校应用、政民沟通、邮件、文档、日程、会议、微盘、直播、公费电话、打卡、审批、汇报、会议室、紧急通知应用、硬件云端接入等功能。</Description>
         <Authors>Fu Diwei</Authors>
         <RepositoryType>git</RepositoryType>
         <RepositoryUrl>https://github.com/fudiwei/DotNetCore.SKIT.FlurlHttpClient.Wechat.git</RepositoryUrl>