diff --git a/3rdpart/CMakeLists.txt b/3rdpart/CMakeLists.txt
index f55fc6c7..16212594 100644
--- a/3rdpart/CMakeLists.txt
+++ b/3rdpart/CMakeLists.txt
@@ -197,9 +197,26 @@ else()
     _CRT_SECURE_NO_WARNINGS _WINSOCK_DEPRECATED_NO_WARNINGS)
 endif()
 
-# 添加库
-add_library(zltoolkit STATIC ${ToolKit_SRC_LIST})
-add_library(ZLMediaKit::ToolKit ALIAS zltoolkit)
+if(ENABLE_CXX_API)
+  # 在 Windows 下启用导出所有符号的选项
+  if(WIN32)
+    set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+  endif()
+  # 添加动态库
+  add_library(zltoolkit SHARED ${ToolKit_SRC_LIST})
+  add_library(ZLMediaKit::ToolKit ALIAS zltoolkit)
+  # 设置生成的导出库文件 .lib（对于 Windows）
+  set_target_properties(zltoolkit PROPERTIES
+          OUTPUT_NAME zltoolkit  # 输出的 DLL 文件名
+  )
+  target_link_libraries(zltoolkit
+          PUBLIC ${MK_LINK_LIBRARIES})
+else ()
+  # 添加库
+  add_library(zltoolkit STATIC ${ToolKit_SRC_LIST})
+  add_library(ZLMediaKit::ToolKit ALIAS zltoolkit)
+endif ()
+
 target_compile_definitions(zltoolkit
   PUBLIC ${COMPILE_DEFINITIONS})
 target_compile_options(zltoolkit
@@ -220,9 +237,9 @@ endif()
 # 未在使用
 if(ENABLE_CXX_API)
   # 保留目录结构
-  install(DIRECTORY ${ToolKit_ROOT}/
-    DESTINATION ${INSTALL_PATH_INCLUDE}/ZLToolKit
-    REGEX "(.*[.](md|cpp)|win32)$" EXCLUDE)
-  install(TARGETS zltoolkit
-    DESTINATION ${INSTALL_PATH_LIB})
+  #install(DIRECTORY ${ToolKit_ROOT}/
+  #  DESTINATION ${INSTALL_PATH_INCLUDE}/ZLToolKit
+  #  REGEX "(.*[.](md|cpp)|win32)$" EXCLUDE)
+  #install(TARGETS zltoolkit
+  #  DESTINATION ${INSTALL_PATH_LIB})
 endif()
diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index fb695d20..9c5292f4 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit fb695d203421d906c473018022a736fa4a7a47e4
+Subproject commit 9c5292f4f5c7fe36794c9b33d24c4b95e932f114
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d37d1a04..785ed3cd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,7 +36,7 @@ set(CMAKE_CXX_STANDARD 11)
 option(ENABLE_API "Enable C API SDK" ON)
 option(ENABLE_API_STATIC_LIB "Enable mk_api static lib" OFF)
 option(ENABLE_ASAN "Enable Address Sanitize" OFF)
-option(ENABLE_CXX_API "Enable C++ API SDK" OFF)
+option(ENABLE_CXX_API "Enable C++ API SDK as shared library" OFF)
 option(ENABLE_FAAC "Enable FAAC" OFF)
 option(ENABLE_FFMPEG "Enable FFmpeg" OFF)
 option(ENABLE_HLS "Enable HLS" ON)
@@ -79,6 +79,14 @@ set(CMAKE_VERBOSE_MAKEFILE ON CACHE INTERNAL "" FORCE)
 # TODO: include 当前目录会导致 server 编译出错, 待排除
 set(CMAKE_INCLUDE_CURRENT_DIR OFF)
 
+if(ENABLE_CXX_API)
+  add_definitions(-DENABLE_CXX_API)
+  if(WIN32 AND ENABLE_MSVC_MT)
+    set(ENABLE_MSVC_MT OFF)
+    message(WARNING "Windows下C++ API SDK只支持md/mdd,ENABLE_MSVC_MT set off")
+  endif()
+endif ()
+
 # 安装路径
 # Install path
 if(NOT CMAKE_INSTALL_PREFIX)
diff --git a/api/source/mk_events.cpp b/api/source/mk_events.cpp
index a835a7c9..c7488ad3 100644
--- a/api/source/mk_events.cpp
+++ b/api/source/mk_events.cpp
@@ -164,7 +164,7 @@ API_EXPORT void API_CALL mk_events_listen(const mk_events *events){
             }
         });
 
-        NoticeCenter::Instance().addListener(&s_tag, EventChannel::kBroadcastLogEvent,[](BroadcastLogEventArgs){
+        NoticeCenter::Instance().addListener(&s_tag, EventChannel::getBroadcastLogEventName(),[](BroadcastLogEventArgs){
             if (s_events.on_mk_log) {
                 auto log = ctx->str();
                 s_events.on_mk_log((int) ctx->_level, ctx->_file.data(), ctx->_line, ctx->_function.data(), log.data());
diff --git a/ext-codec/CMakeLists.txt b/ext-codec/CMakeLists.txt
index 23190fb8..9fd9cdb5 100644
--- a/ext-codec/CMakeLists.txt
+++ b/ext-codec/CMakeLists.txt
@@ -23,6 +23,9 @@
 
 set(COMPILE_DEFINITIONS)
 set(INCLUDE_DIRECTORIES)
+# for zlm
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../src)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../3rdpart/ZLToolKit/src)
 
 file(GLOB EXT_SRC_LIST
         ${CMAKE_CURRENT_SOURCE_DIR}/*.c
@@ -36,7 +39,7 @@ add_library(ZLMediaKit::ext-codec ALIAS ext-codec)
 target_compile_options(ext-codec PRIVATE ${COMPILE_OPTIONS_DEFAULT})
 target_compile_definitions(ext-codec PUBLIC ${COMPILE_DEFINITIONS})
 
-target_link_libraries(ext-codec PRIVATE ZLMediaKit::MediaKit ZLMediaKit::ToolKit ${LINK_LIBRARIES})
+#target_link_libraries(ext-codec PRIVATE ZLMediaKit::MediaKit ZLMediaKit::ToolKit ${LINK_LIBRARIES})
 
 target_include_directories(ext-codec
         PRIVATE
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e8ed4547..53b762b2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -31,10 +31,26 @@ if(USE_SOLUTION_FOLDERS AND (NOT GROUP_BY_EXPLORER))
   set_file_group("${CMAKE_CURRENT_SOURCE_DIR}" ${MediaKit_SRC_LIST})
 endif()
 
-
-# 添加库
-add_library(zlmediakit STATIC ${MediaKit_SRC_LIST})
-add_library(ZLMediaKit::MediaKit ALIAS zlmediakit)
+if(ENABLE_CXX_API)
+  # 在 Windows 下启用导出所有符号的选项
+  if(WIN32)
+    set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+  endif()
+  # 添加动态库
+  add_definitions(-DMediaKit_EXPORTS)
+  add_library(zlmediakit SHARED ${MediaKit_SRC_LIST})
+  add_library(ZLMediaKit::MediaKit ALIAS zlmediakit)
+  target_link_libraries(zlmediakit
+          PUBLIC ZLMediaKit::ext-codec)
+  # 设置生成的导出库文件 .lib（对于 Windows）
+  set_target_properties(zlmediakit PROPERTIES
+          OUTPUT_NAME zlmediakit  # 输出的 DLL 文件名
+  )
+else ()
+  # 添加库
+  add_library(zlmediakit STATIC ${MediaKit_SRC_LIST})
+  add_library(ZLMediaKit::MediaKit ALIAS zlmediakit)
+endif ()
 
 set(LINK_LIBRARIES ${MK_LINK_LIBRARIES})
 list(REMOVE_ITEM LINK_LIBRARIES ZLMediaKit::MediaKit)
@@ -57,9 +73,9 @@ update_cached_list(MK_LINK_LIBRARIES ZLMediaKit::MediaKit)
 # 未在使用
 if(ENABLE_CXX_API)
   # 保留目录结构
-  install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/
-    DESTINATION ${INSTALL_PATH_INCLUDE}/ZLMediaKit
-    REGEX ".*[.](md|cpp)$" EXCLUDE)
-  install(TARGETS zlmediakit
-    DESTINATION ${INSTALL_PATH_LIB})
+  #install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/
+  #  DESTINATION ${INSTALL_PATH_INCLUDE}/ZLMediaKit
+  #  REGEX ".*[.](md|cpp)$" EXCLUDE)
+  #install(TARGETS zlmediakit
+  #  DESTINATION ${INSTALL_PATH_LIB})
 endif ()
diff --git a/src/Common/config.h b/src/Common/config.h
index e456bdab..5ccd8e55 100644
--- a/src/Common/config.h
+++ b/src/Common/config.h
@@ -32,37 +32,37 @@ bool loadIniConfig(const char *ini_path = nullptr);
 namespace Broadcast {
 
 // 注册或反注册MediaSource事件广播
-extern const std::string kBroadcastMediaChanged;
+MK_EXPORT extern const std::string kBroadcastMediaChanged;
 #define BroadcastMediaChangedArgs const bool &bRegist, MediaSource &sender
 
 // 录制mp4文件成功后广播
-extern const std::string kBroadcastRecordMP4;
+MK_EXPORT extern const std::string kBroadcastRecordMP4;
 #define BroadcastRecordMP4Args const RecordInfo &info
 
 // 录制 ts 文件后广播
-extern const std::string kBroadcastRecordTs;
+MK_EXPORT extern const std::string kBroadcastRecordTs;
 #define BroadcastRecordTsArgs const RecordInfo &info
 
 // 收到http api请求广播
-extern const std::string kBroadcastHttpRequest;
+MK_EXPORT extern const std::string kBroadcastHttpRequest;
 #define BroadcastHttpRequestArgs const Parser &parser, const HttpSession::HttpResponseInvoker &invoker, bool &consumed, SockInfo &sender
 
 // 在http文件服务器中,收到http访问文件或目录的广播,通过该事件控制访问http目录的权限
-extern const std::string kBroadcastHttpAccess;
+MK_EXPORT extern const std::string kBroadcastHttpAccess;
 #define BroadcastHttpAccessArgs const Parser &parser, const std::string &path, const bool &is_dir, const HttpSession::HttpAccessPathInvoker &invoker, SockInfo &sender
 
 // 在http文件服务器中,收到http访问文件或目录前的广播,通过该事件可以控制http url到文件路径的映射
 // 在该事件中通过自行覆盖path参数，可以做到譬如根据虚拟主机或者app选择不同http根目录的目的
-extern const std::string kBroadcastHttpBeforeAccess;
+MK_EXPORT extern const std::string kBroadcastHttpBeforeAccess;
 #define BroadcastHttpBeforeAccessArgs const Parser &parser, std::string &path, SockInfo &sender
 
 // 该流是否需要认证？是的话调用invoker并传入realm,否则传入空的realm.如果该事件不监听则不认证
-extern const std::string kBroadcastOnGetRtspRealm;
+MK_EXPORT extern const std::string kBroadcastOnGetRtspRealm;
 #define BroadcastOnGetRtspRealmArgs const MediaInfo &args, const RtspSession::onGetRealm &invoker, SockInfo &sender
 
 // 请求认证用户密码事件，user_name为用户名，must_no_encrypt如果为true，则必须提供明文密码(因为此时是base64认证方式),否则会导致认证失败
 // 获取到密码后请调用invoker并输入对应类型的密码和密码类型，invoker执行时会匹配密码
-extern const std::string kBroadcastOnRtspAuth;
+MK_EXPORT extern const std::string kBroadcastOnRtspAuth;
 #define BroadcastOnRtspAuthArgs const MediaInfo &args, const std::string &realm, const std::string &user_name, const bool &must_no_encrypt, const RtspSession::onAuth &invoker, SockInfo &sender
 
 // 推流鉴权结果回调对象
@@ -70,7 +70,7 @@ extern const std::string kBroadcastOnRtspAuth;
 using PublishAuthInvoker = std::function<void(const std::string &err, const ProtocolOption &option)>;
 
 // 收到rtsp/rtmp推流事件广播，通过该事件控制推流鉴权
-extern const std::string kBroadcastMediaPublish;
+MK_EXPORT extern const std::string kBroadcastMediaPublish;
 #define BroadcastMediaPublishArgs const MediaOriginType &type, const MediaInfo &args, const Broadcast::PublishAuthInvoker &invoker, SockInfo &sender
 
 // 播放鉴权结果回调对象
@@ -78,54 +78,54 @@ extern const std::string kBroadcastMediaPublish;
 using AuthInvoker = std::function<void(const std::string &err)>;
 
 // 播放rtsp/rtmp/http-flv事件广播，通过该事件控制播放鉴权
-extern const std::string kBroadcastMediaPlayed;
+MK_EXPORT extern const std::string kBroadcastMediaPlayed;
 #define BroadcastMediaPlayedArgs const MediaInfo &args, const Broadcast::AuthInvoker &invoker, SockInfo &sender
 
 // shell登录鉴权
-extern const std::string kBroadcastShellLogin;
+MK_EXPORT extern const std::string kBroadcastShellLogin;
 #define BroadcastShellLoginArgs const std::string &user_name, const std::string &passwd, const Broadcast::AuthInvoker &invoker, SockInfo &sender
 
 // 停止rtsp/rtmp/http-flv会话后流量汇报事件广播
-extern const std::string kBroadcastFlowReport;
+MK_EXPORT extern const std::string kBroadcastFlowReport;
 #define BroadcastFlowReportArgs const MediaInfo &args, const uint64_t &totalBytes, const uint64_t &totalDuration, const bool &isPlayer, SockInfo &sender
 
 // 未找到流后会广播该事件，请在监听该事件后去拉流或其他方式产生流，这样就能按需拉流了
-extern const std::string kBroadcastNotFoundStream;
+MK_EXPORT extern const std::string kBroadcastNotFoundStream;
 #define BroadcastNotFoundStreamArgs const MediaInfo &args, SockInfo &sender, const std::function<void()> &closePlayer
 
 // 某个流无人消费时触发，目的为了实现无人观看时主动断开拉流等业务逻辑
-extern const std::string kBroadcastStreamNoneReader;
+MK_EXPORT extern const std::string kBroadcastStreamNoneReader;
 #define BroadcastStreamNoneReaderArgs MediaSource &sender
 
 // rtp推流被动停止时触发
-extern const std::string kBroadcastSendRtpStopped;
+MK_EXPORT extern const std::string kBroadcastSendRtpStopped;
 #define BroadcastSendRtpStoppedArgs MultiMediaSourceMuxer &sender, const std::string &ssrc, const SockException &ex
 
 // 更新配置文件事件广播,执行loadIniConfig函数加载配置文件成功后会触发该广播
-extern const std::string kBroadcastReloadConfig;
+MK_EXPORT extern const std::string kBroadcastReloadConfig;
 #define BroadcastReloadConfigArgs void
 
 // rtp server 超时
-extern const std::string kBroadcastRtpServerTimeout;
+MK_EXPORT extern const std::string kBroadcastRtpServerTimeout;
 #define BroadcastRtpServerTimeoutArgs uint16_t &local_port, const MediaTuple &tuple, int &tcp_mode, bool &re_use_port, uint32_t &ssrc
 
 // rtc transport sctp 连接状态
-extern const std::string kBroadcastRtcSctpConnecting;
-extern const std::string kBroadcastRtcSctpConnected;
-extern const std::string kBroadcastRtcSctpFailed;
-extern const std::string kBroadcastRtcSctpClosed;
+MK_EXPORT extern const std::string kBroadcastRtcSctpConnecting;
+MK_EXPORT extern const std::string kBroadcastRtcSctpConnected;
+MK_EXPORT extern const std::string kBroadcastRtcSctpFailed;
+MK_EXPORT extern const std::string kBroadcastRtcSctpClosed;
 #define BroadcastRtcSctpConnectArgs WebRtcTransport& sender
 
 // rtc transport sctp 发送数据
-extern const std::string kBroadcastRtcSctpSend;
+MK_EXPORT extern const std::string kBroadcastRtcSctpSend;
 #define BroadcastRtcSctpSendArgs WebRtcTransport& sender, const uint8_t *&data, size_t& len
 
 // rtc transport sctp 接收数据
-extern const std::string kBroadcastRtcSctpReceived;
+MK_EXPORT extern const std::string kBroadcastRtcSctpReceived;
 #define BroadcastRtcSctpReceivedArgs WebRtcTransport& sender, uint16_t &streamId, uint32_t &ppid, const uint8_t *&msg, size_t &len
 
 // 观看人数变化广播
-extern const std::string kBroadcastPlayerCountChanged;
+MK_EXPORT extern const std::string kBroadcastPlayerCountChanged;
 #define BroadcastPlayerCountChangedArgs const MediaTuple& args, const int& count
 
 #define ReloadConfigTag ((void *)(0xFF))
@@ -171,246 +171,247 @@ extern const std::string kBroadcastPlayerCountChanged;
 ////////////通用配置///////////
 namespace General {
 // 每个流媒体服务器的ID（GUID）
-extern const std::string kMediaServerId;
+MK_EXPORT extern const std::string kMediaServerId;
 // 流量汇报事件流量阈值,单位KB，默认1MB
-extern const std::string kFlowThreshold;
+MK_EXPORT extern const std::string kFlowThreshold;
 // 流无人观看并且超过若干时间后才触发kBroadcastStreamNoneReader事件
 // 默认连续5秒无人观看然后触发kBroadcastStreamNoneReader事件
-extern const std::string kStreamNoneReaderDelayMS;
+MK_EXPORT extern const std::string kStreamNoneReaderDelayMS;
 // 等待流注册超时时间，收到播放器后请求后，如果未找到相关流，服务器会等待一定时间，
 // 如果在这个时间内，相关流注册上了，那么服务器会立即响应播放器播放成功，
 // 否则会最多等待kMaxStreamWaitTimeMS毫秒，然后响应播放器播放失败
-extern const std::string kMaxStreamWaitTimeMS;
+MK_EXPORT extern const std::string kMaxStreamWaitTimeMS;
 // 是否启动虚拟主机
-extern const std::string kEnableVhost;
+MK_EXPORT extern const std::string kEnableVhost;
 // 拉流代理时如果断流再重连成功是否删除前一次的媒体流数据，如果删除将重新开始，
 // 如果不删除将会接着上一次的数据继续写(录制hls/mp4时会继续在前一个文件后面写)
-extern const std::string kResetWhenRePlay;
+MK_EXPORT extern const std::string kResetWhenRePlay;
 // 合并写缓存大小(单位毫秒)，合并写指服务器缓存一定的数据后才会一次性写入socket，这样能提高性能，但是会提高延时
 // 开启后会同时关闭TCP_NODELAY并开启MSG_MORE
-extern const std::string kMergeWriteMS;
+MK_EXPORT extern const std::string kMergeWriteMS;
 // 在docker环境下，不能通过英伟达驱动是否存在来判断是否支持硬件转码
-extern const std::string kCheckNvidiaDev;
+MK_EXPORT extern const std::string kCheckNvidiaDev;
 // 是否开启ffmpeg日志
-extern const std::string kEnableFFmpegLog;
+MK_EXPORT extern const std::string kEnableFFmpegLog;
 // 最多等待未初始化的Track 10秒，超时之后会忽略未初始化的Track
-extern const std::string kWaitTrackReadyMS;
+MK_EXPORT extern const std::string kWaitTrackReadyMS;
 // 如果直播流只有单Track，最多等待3秒，超时后未收到其他Track的数据，则认为是单Track
 // 如果协议元数据有声明特定track数，那么无此等待时间
-extern const std::string kWaitAddTrackMS;
+MK_EXPORT extern const std::string kWaitAddTrackMS;
 // 如果track未就绪，我们先缓存帧数据，但是有最大个数限制(100帧时大约4秒)，防止内存溢出
-extern const std::string kUnreadyFrameCache;
+MK_EXPORT extern const std::string kUnreadyFrameCache;
 // 是否启用观看人数变化事件广播，置1则启用，置0则关闭
-extern const std::string kBroadcastPlayerCountChanged;
+MK_EXPORT extern const std::string kBroadcastPlayerCountChanged;
 } // namespace General
 
 namespace Protocol {
 static constexpr char kFieldName[] = "protocol.";
 //时间戳修复这一路流标志位
-extern const std::string kModifyStamp;
+MK_EXPORT extern const std::string kModifyStamp;
 //转协议是否开启音频
-extern const std::string kEnableAudio;
+MK_EXPORT extern const std::string kEnableAudio;
 //添加静音音频，在关闭音频时，此开关无效
-extern const std::string kAddMuteAudio;
+MK_EXPORT extern const std::string kAddMuteAudio;
 // 无人观看时，是否直接关闭(而不是通过on_none_reader hook返回close)
 // 此配置置1时，此流如果无人观看，将不触发on_none_reader hook回调，
 // 而是将直接关闭流
-extern const std::string kAutoClose;
+MK_EXPORT extern const std::string kAutoClose;
 //断连续推延时，单位毫秒，默认采用配置文件
-extern const std::string kContinuePushMS;
+MK_EXPORT extern const std::string kContinuePushMS;
 // 平滑发送定时器间隔，单位毫秒，置0则关闭；开启后影响cpu性能同时增加内存
 // 该配置开启后可以解决一些流发送不平滑导致zlmediakit转发也不平滑的问题
-extern const std::string kPacedSenderMS;
+MK_EXPORT extern const std::string kPacedSenderMS;
 
 //是否开启转换为hls(mpegts)
-extern const std::string kEnableHls;
+MK_EXPORT extern const std::string kEnableHls;
 //是否开启转换为hls(fmp4)
-extern const std::string kEnableHlsFmp4;
+MK_EXPORT extern const std::string kEnableHlsFmp4;
 //是否开启MP4录制
-extern const std::string kEnableMP4;
+MK_EXPORT extern const std::string kEnableMP4;
 //是否开启转换为rtsp/webrtc
-extern const std::string kEnableRtsp;
+MK_EXPORT extern const std::string kEnableRtsp;
 //是否开启转换为rtmp/flv
-extern const std::string kEnableRtmp;
+MK_EXPORT extern const std::string kEnableRtmp;
 //是否开启转换为http-ts/ws-ts
-extern const std::string kEnableTS;
+MK_EXPORT extern const std::string kEnableTS;
 //是否开启转换为http-fmp4/ws-fmp4
-extern const std::string kEnableFMP4;
+MK_EXPORT extern const std::string kEnableFMP4;
 
 //是否将mp4录制当做观看者
-extern const std::string kMP4AsPlayer;
+MK_EXPORT extern const std::string kMP4AsPlayer;
 //mp4切片大小，单位秒
-extern const std::string kMP4MaxSecond;
+MK_EXPORT extern const std::string kMP4MaxSecond;
 //mp4录制保存路径
-extern const std::string kMP4SavePath;
+MK_EXPORT extern const std::string kMP4SavePath;
 
 //hls录制保存路径
-extern const std::string kHlsSavePath;
+MK_EXPORT extern const std::string kHlsSavePath;
 
 // 按需转协议的开关
-extern const std::string kHlsDemand;
-extern const std::string kRtspDemand;
-extern const std::string kRtmpDemand;
-extern const std::string kTSDemand;
-extern const std::string kFMP4Demand;
+MK_EXPORT extern const std::string kHlsDemand;
+MK_EXPORT extern const std::string kRtspDemand;
+MK_EXPORT extern const std::string kRtmpDemand;
+MK_EXPORT extern const std::string kTSDemand;
+MK_EXPORT extern const std::string kFMP4Demand;
 } // !Protocol
 
 ////////////HTTP配置///////////
 namespace Http {
 // http 文件发送缓存大小
-extern const std::string kSendBufSize;
+MK_EXPORT extern const std::string kSendBufSize;
 // http 最大请求字节数
-extern const std::string kMaxReqSize;
+MK_EXPORT extern const std::string kMaxReqSize;
 // http keep-alive秒数
-extern const std::string kKeepAliveSecond;
+MK_EXPORT extern const std::string kKeepAliveSecond;
 // http 字符编码
-extern const std::string kCharSet;
+MK_EXPORT extern const std::string kCharSet;
 // http 服务器根目录
-extern const std::string kRootPath;
+MK_EXPORT extern const std::string kRootPath;
 // http 服务器虚拟目录 虚拟目录名和文件路径使用","隔开，多个配置路径间用";"隔开，例如  path_d,d:/record;path_e,e:/record
-extern const std::string kVirtualPath;
+MK_EXPORT extern const std::string kVirtualPath;
 // http 404错误提示内容
-extern const std::string kNotFound;
+MK_EXPORT extern const std::string kNotFound;
 // 是否显示文件夹菜单
-extern const std::string kDirMenu;
+MK_EXPORT extern const std::string kDirMenu;
 // 禁止缓存文件的后缀
-extern const std::string kForbidCacheSuffix;
+MK_EXPORT extern const std::string kForbidCacheSuffix;
 // 可以把http代理前真实客户端ip放在http头中：https://github.com/ZLMediaKit/ZLMediaKit/issues/1388
-extern const std::string kForwardedIpHeader;
+MK_EXPORT extern const std::string kForwardedIpHeader;
 // 是否允许所有跨域请求
-extern const std::string kAllowCrossDomains;
+MK_EXPORT extern const std::string kAllowCrossDomains;
 // 允许访问http api和http文件索引的ip地址范围白名单，置空情况下不做限制
-extern const std::string kAllowIPRange;
+MK_EXPORT extern const std::string kAllowIPRange;
 } // namespace Http
 
 ////////////SHELL配置///////////
 namespace Shell {
-extern const std::string kMaxReqSize;
+MK_EXPORT extern const std::string kMaxReqSize;
 } // namespace Shell
 
 ////////////RTSP服务器配置///////////
 namespace Rtsp {
 // 是否优先base64方式认证？默认Md5方式认证
-extern const std::string kAuthBasic;
+MK_EXPORT extern const std::string kAuthBasic;
 // 握手超时时间，默认15秒
-extern const std::string kHandshakeSecond;
+MK_EXPORT extern const std::string kHandshakeSecond;
 // 维持链接超时时间，默认15秒
-extern const std::string kKeepAliveSecond;
+MK_EXPORT extern const std::string kKeepAliveSecond;
 
 // rtsp拉流代理是否直接代理
 // 直接代理后支持任意编码格式，但是会导致GOP缓存无法定位到I帧，可能会导致开播花屏
 // 并且如果是tcp方式拉流，如果rtp大于mtu会导致无法使用udp方式代理
 // 假定您的拉流源地址不是264或265或AAC，那么你可以使用直接代理的方式来支持rtsp代理
 // 默认开启rtsp直接代理，rtmp由于没有这些问题，是强制开启直接代理的
-extern const std::string kDirectProxy;
+MK_EXPORT extern const std::string kDirectProxy;
 
 // rtsp 转发是否使用低延迟模式，当开启时，不会缓存rtp包，来提高并发，可以降低一帧的延迟
-extern const std::string kLowLatency;
+MK_EXPORT extern const std::string kLowLatency;
 
 //强制协商rtp传输方式 (0:TCP,1:UDP,2:MULTICAST,-1:不限制)
 //当客户端发起RTSP SETUP的时候如果传输类型和此配置不一致则返回461 Unsupport Transport
 //迫使客户端重新SETUP并切换到对应协议。目前支持FFMPEG和VLC
-extern const std::string kRtpTransportType;
+MK_EXPORT extern const std::string kRtpTransportType;
 } // namespace Rtsp
 
 ////////////RTMP服务器配置///////////
 namespace Rtmp {
 // 握手超时时间，默认15秒
-extern const std::string kHandshakeSecond;
+MK_EXPORT extern const std::string kHandshakeSecond;
 // 维持链接超时时间，默认15秒
-extern const std::string kKeepAliveSecond;
+MK_EXPORT extern const std::string kKeepAliveSecond;
 // 是否直接代理
-extern const std::string kDirectProxy;
+MK_EXPORT extern const std::string kDirectProxy;
 // h265-rtmp是否采用增强型(或者国内扩展)
-extern const std::string kEnhanced;
+MK_EXPORT extern const std::string kEnhanced;
 } // namespace Rtmp
 
 ////////////RTP配置///////////
 namespace Rtp {
 // RTP打包最大MTU,公网情况下更小
-extern const std::string kVideoMtuSize;
+MK_EXPORT extern const std::string kVideoMtuSize;
 // RTP打包最大MTU,公网情况下更小
-extern const std::string kAudioMtuSize;
+MK_EXPORT extern const std::string kAudioMtuSize;
 // rtp包最大长度限制, 单位KB
-extern const std::string kRtpMaxSize;
+MK_EXPORT extern const std::string kRtpMaxSize;
 // rtp 打包时，低延迟开关，默认关闭（为0），h264存在一帧多个slice（NAL）的情况，在这种情况下，如果开启可能会导致画面花屏
-extern const std::string kLowLatency;
+MK_EXPORT extern const std::string kLowLatency;
 //H264 rtp打包模式是否采用stap-a模式(为了在老版本浏览器上兼容webrtc)还是采用Single NAL unit packet per H.264 模式
-extern const std::string kH264StapA;
+MK_EXPORT extern const std::string kH264StapA;
 } // namespace Rtp
 
 ////////////组播配置///////////
 namespace MultiCast {
 // 组播分配起始地址
-extern const std::string kAddrMin;
+MK_EXPORT extern const std::string kAddrMin;
 // 组播分配截止地址
-extern const std::string kAddrMax;
+MK_EXPORT extern const std::string kAddrMax;
 // 组播TTL
-extern const std::string kUdpTTL;
+MK_EXPORT extern const std::string kUdpTTL;
 } // namespace MultiCast
 
 ////////////录像配置///////////
 namespace Record {
 // 查看录像的应用名称
-extern const std::string kAppName;
+MK_EXPORT extern const std::string kAppName;
 // 每次流化MP4文件的时长,单位毫秒
-extern const std::string kSampleMS;
+MK_EXPORT extern const std::string kSampleMS;
 // mp4文件写缓存大小
-extern const std::string kFileBufSize;
+MK_EXPORT extern const std::string kFileBufSize;
 // mp4录制完成后是否进行二次关键帧索引写入头部
-extern const std::string kFastStart;
+MK_EXPORT extern const std::string kFastStart;
 // mp4文件是否重头循环读取
-extern const std::string kFileRepeat;
+MK_EXPORT extern const std::string kFileRepeat;
 // mp4录制文件是否采用fmp4格式
-extern const std::string kEnableFmp4;
+MK_EXPORT extern const std::string kEnableFmp4;
 } // namespace Record
 
 ////////////HLS相关配置///////////
 namespace Hls {
 // HLS切片时长,单位秒
-extern const std::string kSegmentDuration;
+MK_EXPORT extern const std::string kSegmentDuration;
 // m3u8文件中HLS切片个数，如果设置为0，则不删除切片，而是保存为点播
-extern const std::string kSegmentNum;
+MK_EXPORT extern const std::string kSegmentNum;
 // 如果设置为0，则不保留切片，设置为1则一直保留切片
-extern const std::string kSegmentKeep;
+MK_EXPORT extern const std::string kSegmentKeep;
 // HLS切片延迟个数，大于0将生成hls_delay.m3u8文件，0则不生成
-extern const std::string kSegmentDelay;
+MK_EXPORT extern const std::string kSegmentDelay;
 // HLS切片从m3u8文件中移除后，继续保留在磁盘上的个数
-extern const std::string kSegmentRetain;
+MK_EXPORT extern const std::string kSegmentRetain;
 // HLS文件写缓存大小
-extern const std::string kFileBufSize;
+MK_EXPORT extern const std::string kFileBufSize;
 // 是否广播 ts 切片完成通知
-extern const std::string kBroadcastRecordTs;
+MK_EXPORT extern const std::string kBroadcastRecordTs;
 // hls直播文件删除延时，单位秒
-extern const std::string kDeleteDelaySec;
+MK_EXPORT extern const std::string kDeleteDelaySec;
 // 如果设置为1，则第一个切片长度强制设置为1个GOP
-extern const std::string kFastRegister;
+MK_EXPORT extern const std::string kFastRegister;
 } // namespace Hls
 
 ////////////Rtp代理相关配置///////////
 namespace RtpProxy {
 // rtp调试数据保存目录,置空则不生成
-extern const std::string kDumpDir;
+MK_EXPORT extern const std::string kDumpDir;
 // rtp接收超时时间
-extern const std::string kTimeoutSec;
+MK_EXPORT extern const std::string kTimeoutSec;
 // 随机端口范围，最少确保36个端口
 // 该范围同时限制rtsp服务器udp端口范围
-extern const std::string kPortRange;
+MK_EXPORT extern const std::string kPortRange;
 // rtp server h264的pt
-extern const std::string kH264PT;
+MK_EXPORT extern const std::string kH264PT;
 // rtp server h265的pt
-extern const std::string kH265PT;
+MK_EXPORT extern const std::string kH265PT;
 // rtp server ps 的pt
-extern const std::string kPSPT;
+MK_EXPORT extern const std::string kPSPT;
 // rtp server opus 的pt
-extern const std::string kOpusPT;
+MK_EXPORT extern const std::string kOpusPT;
+MK_EXPORT extern const std::string kAACPT;
 // RtpSender相关功能是否提前开启gop缓存优化级联秒开体验，默认开启
-extern const std::string kGopCache;
+MK_EXPORT extern const std::string kGopCache;
 //国标发送g711 rtp 打包时，每个包的语音时长是多少，默认是100 ms，范围为20~180ms (gb28181-2016，c.2.4规定)，
 //最好为20 的倍数，程序自动向20的倍数取整
-extern const std::string kRtpG711DurMs;
+MK_EXPORT extern const std::string kRtpG711DurMs;
 // udp recv socket buffer size
-extern const std::string kUdpRecvSocketBuffer;
+MK_EXPORT extern const std::string kUdpRecvSocketBuffer;
 } // namespace RtpProxy
 
 /**
@@ -420,36 +421,36 @@ extern const std::string kUdpRecvSocketBuffer;
  */
 namespace Client {
 // 指定网卡ip
-extern const std::string kNetAdapter;
+MK_EXPORT extern const std::string kNetAdapter;
 // 设置rtp传输类型，可选项有0(tcp，默认)、1(udp)、2(组播)
 // 设置方法:player[PlayerBase::kRtpType] = 0/1/2;
-extern const std::string kRtpType;
+MK_EXPORT extern const std::string kRtpType;
 // rtsp播放器发送信令心跳还是rtcp心跳，可选项有0(同时发)、1(rtcp心跳)、2(信令心跳)
 // 设置方法:player[PlayerBase::kRtspBeatType] = 0/1/2;
-extern const std::string kRtspBeatType;
+MK_EXPORT extern const std::string kRtspBeatType;
 // rtsp认证用户名
-extern const std::string kRtspUser;
+MK_EXPORT extern const std::string kRtspUser;
 // rtsp认证用用户密码，可以是明文也可以是md5,md5密码生成方式 md5(username:realm:password)
-extern const std::string kRtspPwd;
+MK_EXPORT extern const std::string kRtspPwd;
 // rtsp认证用用户密码是否为md5类型
-extern const std::string kRtspPwdIsMD5;
+MK_EXPORT extern const std::string kRtspPwdIsMD5;
 // 握手超时时间，默认10,000 毫秒
-extern const std::string kTimeoutMS;
+MK_EXPORT extern const std::string kTimeoutMS;
 // rtp/rtmp包接收超时时间，默认5000秒
-extern const std::string kMediaTimeoutMS;
+MK_EXPORT extern const std::string kMediaTimeoutMS;
 // rtsp/rtmp心跳时间,默认5000毫秒
-extern const std::string kBeatIntervalMS;
+MK_EXPORT extern const std::string kBeatIntervalMS;
 // 是否为性能测试模式，性能测试模式开启后不会解析rtp或rtmp包
-extern const std::string kBenchmarkMode;
+MK_EXPORT extern const std::string kBenchmarkMode;
 // 播放器在触发播放成功事件时，是否等待所有track ready时再回调
-extern const std::string kWaitTrackReady;
+MK_EXPORT extern const std::string kWaitTrackReady;
 // rtsp播放指定track，可选项有0(不指定，默认)、1(视频)、2(音频)
 // 设置方法:player[Client::kPlayTrack] = 0/1/2;
-extern const std::string kPlayTrack;
+MK_EXPORT extern const std::string kPlayTrack;
 //设置代理url，目前只支持http协议
-extern const std::string kProxyUrl;
+MK_EXPORT extern const std::string kProxyUrl;
 //设置开始rtsp倍速播放
-extern const std::string kRtspSpeed;
+MK_EXPORT extern const std::string kRtspSpeed;
 } // namespace Client
 } // namespace mediakit
 
diff --git a/src/Common/macros.cpp b/src/Common/macros.cpp
index 5e403b6a..d67e90d7 100644
--- a/src/Common/macros.cpp
+++ b/src/Common/macros.cpp
@@ -17,20 +17,6 @@ using namespace toolkit;
 #include "ZLMVersion.h"
 #endif
 
-extern "C" {
-void Assert_Throw(int failed, const char *exp, const char *func, const char *file, int line, const char *str) {
-    if (failed) {
-        _StrPrinter printer;
-        printer << "Assertion failed: (" << exp ;
-        if(str && *str){
-            printer << ", " << str;
-        }
-        printer << "), function " << func << ", file " << file << ", line " << line << ".";
-        throw mediakit::AssertFailedException(printer);
-    }
-}
-}
-
 namespace mediakit {
 
 /**
diff --git a/src/Common/macros.h b/src/Common/macros.h
index b1187810..38cd0acb 100644
--- a/src/Common/macros.h
+++ b/src/Common/macros.h
@@ -79,16 +79,23 @@ extern void Assert_Throw(int failed, const char *exp, const char *func, const ch
 }
 #endif
 
+#if defined(ENABLE_CXX_API)
+#if defined(_WIN32) && defined(_MSC_VER)
+#        if defined(MediaKit_EXPORTS)
+#            define MK_EXPORT __declspec(dllexport)
+#        else
+#            define MK_EXPORT __declspec(dllimport)
+#        endif
+#else
+#   define MK_EXPORT __attribute__((visibility("default")))
+#endif
+#else
+#            define MK_EXPORT
+#endif
+
+
 namespace mediakit {
 
-class AssertFailedException : public std::runtime_error {
-public:
-    template<typename ...T>
-    AssertFailedException(T && ...args) : std::runtime_error(std::forward<T>(args)...) {}
-};
-
-extern const char kServerName[];
-
 template <typename... ARGS>
 void Assert_ThrowCpp(int failed, const char *exp, const char *func, const char *file, int line, ARGS &&...args) {
     if (failed) {
@@ -97,6 +104,7 @@ void Assert_ThrowCpp(int failed, const char *exp, const char *func, const char *
         Assert_Throw(failed, exp, func, file, line, ss.str().data());
     }
 }
+MK_EXPORT extern const char kServerName[];
 
 } // namespace mediakit
 #endif // ZLMEDIAKIT_MACROS_H
diff --git a/src/Rtsp/RtspSplitter.cpp b/src/Rtsp/RtspSplitter.cpp
index 837728f2..aaf8bfe7 100644
--- a/src/Rtsp/RtspSplitter.cpp
+++ b/src/Rtsp/RtspSplitter.cpp
@@ -72,7 +72,7 @@ ssize_t RtspSplitter::onRecvHeader(const char *data, size_t len) {
     }
     try {
         _parser.parse(data, len);
-    } catch (mediakit::AssertFailedException &ex){
+    } catch (toolkit::AssertFailedException &ex){
         if (!_enableRecvRtp) {
             // 还在握手中，直接中断握手
             throw;