diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1adefab1..72a4544e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -191,7 +191,7 @@ if(UNIX)
   set(COMPILE_OPTIONS_DEFAULT
     "-fPIC"
     "-Wall;-Wextra"
-    "-Wno-unused-function;-Wno-unused-parameter;-Wno-unused-variable"
+    "-Wno-unused-function;-Wno-unused-parameter;-Wno-unused-variable;-Wno-deprecated-declarations"
     "-Wno-error=extra;-Wno-error=missing-field-initializers;-Wno-error=type-limits")
 
   if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
diff --git a/api/include/mk_events_objects.h b/api/include/mk_events_objects.h
index d44ed666..ddbaf87d 100644
--- a/api/include/mk_events_objects.h
+++ b/api/include/mk_events_objects.h
@@ -142,11 +142,11 @@ API_EXPORT void API_CALL mk_media_source_find(const char *schema,
                                               void *user_data,
                                               on_mk_media_source_find_cb cb);
 
-API_EXPORT const mk_media_source API_CALL mk_media_source_find2(const char *schema,
-                                                                const char *vhost,
-                                                                const char *app,
-                                                                const char *stream,
-                                                                int from_mp4);
+API_EXPORT mk_media_source API_CALL mk_media_source_find2(const char *schema,
+                                                          const char *vhost,
+                                                          const char *app,
+                                                          const char *stream,
+                                                          int from_mp4);
 //MediaSource::for_each_media()
 API_EXPORT void API_CALL mk_media_source_for_each(void *user_data, on_mk_media_source_find_cb cb, const char *schema,
                                                   const char *vhost, const char *app, const char *stream);
diff --git a/api/source/mk_events_objects.cpp b/api/source/mk_events_objects.cpp
index 3f5bf711..7046f1ab 100644
--- a/api/source/mk_events_objects.cpp
+++ b/api/source/mk_events_objects.cpp
@@ -278,11 +278,11 @@ API_EXPORT void API_CALL mk_media_source_find(const char *schema,
     cb(user_data, (mk_media_source)src.get());
 }
 
-API_EXPORT const mk_media_source API_CALL mk_media_source_find2(const char *schema,
-                                                                const char *vhost,
-                                                                const char *app,
-                                                                const char *stream,
-                                                                int from_mp4) {
+API_EXPORT mk_media_source API_CALL mk_media_source_find2(const char *schema,
+                                                          const char *vhost,
+                                                          const char *app,
+                                                          const char *stream,
+                                                          int from_mp4) {
     assert(schema && vhost && app && stream);
     auto src = MediaSource::find(schema, vhost, app, stream, from_mp4);
     return (mk_media_source)src.get();
diff --git a/server/WebApi.cpp b/server/WebApi.cpp
index 034db359..faac203d 100755
--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@@ -1564,7 +1564,7 @@ void installWebApi() {
     api_regist("/index/api/deleteRecordDirectory", [](API_ARGS_MAP) {
         CHECK_SECRET();
         CHECK_ARGS("vhost", "app", "stream", "period");
-        auto tuple = MediaTuple{allArgs["vhost"], allArgs["app"], allArgs["stream"]};
+        auto tuple = MediaTuple{allArgs["vhost"], allArgs["app"], allArgs["stream"], ""};
         auto record_path = Recorder::getRecordPath(Recorder::type_mp4, tuple, allArgs["customized_path"]);
         auto period = allArgs["period"];
         record_path = record_path + period + "/";
@@ -1603,7 +1603,7 @@ void installWebApi() {
     api_regist("/index/api/getMP4RecordFile", [](API_ARGS_MAP){
         CHECK_SECRET();
         CHECK_ARGS("vhost", "app", "stream");
-        auto tuple = MediaTuple{allArgs["vhost"], allArgs["app"], allArgs["stream"]};
+        auto tuple = MediaTuple{allArgs["vhost"], allArgs["app"], allArgs["stream"], ""};
         auto record_path = Recorder::getRecordPath(Recorder::type_mp4, tuple, allArgs["customized_path"]);
         auto period = allArgs["period"];
 
diff --git a/src/Common/MediaSource.cpp b/src/Common/MediaSource.cpp
index 96ae22f5..8de8202a 100644
--- a/src/Common/MediaSource.cpp
+++ b/src/Common/MediaSource.cpp
@@ -113,7 +113,7 @@ ProtocolOption::ProtocolOption() {
 //////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 struct MediaSourceNull : public MediaSource {
-    MediaSourceNull() : MediaSource("schema", MediaTuple{"vhost", "app", "stream"}) {};
+    MediaSourceNull() : MediaSource("schema", MediaTuple{"vhost", "app", "stream", ""}) {};
     int readerCount() override { return 0; }
 };
 
diff --git a/src/Record/MP4Reader.cpp b/src/Record/MP4Reader.cpp
index e70f9fe8..6437fcff 100644
--- a/src/Record/MP4Reader.cpp
+++ b/src/Record/MP4Reader.cpp
@@ -38,7 +38,7 @@ MP4Reader::MP4Reader(const std::string &vhost, const std::string &app, const std
 
 void MP4Reader::setup(const std::string &vhost, const std::string &app, const std::string &stream_id, const std::string &file_path, const ProtocolOption &option, toolkit::EventPoller::Ptr poller) {
     //读写文件建议放在后台线程
-    auto tuple =  MediaTuple{vhost, app, stream_id};
+    auto tuple =  MediaTuple{vhost, app, stream_id, ""};
     _poller = poller ? std::move(poller) : WorkThreadPool::Instance().getPoller();
     _file_path = file_path;
     if (_file_path.empty()) {
diff --git a/src/Record/MP4Recorder.cpp b/src/Record/MP4Recorder.cpp
index 4e40bab3..cd55d30a 100644
--- a/src/Record/MP4Recorder.cpp
+++ b/src/Record/MP4Recorder.cpp
@@ -118,7 +118,7 @@ bool MP4Recorder::inputFrame(const Frame::Ptr &frame) {
             //b帧情况下dts时间戳可能回退
             _last_dts = MAX(frame->dts(), _last_dts);
         }
-        auto duration = 5; // 默认至少一帧5ms
+        auto duration = 5u; // 默认至少一帧5ms
         if (frame->dts() > 0 && frame->dts() > _last_dts) {
             duration = MAX(duration, frame->dts() - _last_dts);
         }
diff --git a/tests/test_flv.cpp b/tests/test_flv.cpp
index 49b78865..cf838822 100644
--- a/tests/test_flv.cpp
+++ b/tests/test_flv.cpp
@@ -27,7 +27,7 @@ using namespace mediakit;
 class FlvSplitterImp : public FlvSplitter {
 public:
     FlvSplitterImp() {
-        _src = std::make_shared<RtmpMediaSourceImp>(MediaTuple{DEFAULT_VHOST, "live", "test"});
+        _src = std::make_shared<RtmpMediaSourceImp>(MediaTuple{DEFAULT_VHOST, "live", "test", ""});
     }
     ~FlvSplitterImp()  override = default;