diff --git a/framework/cacheModule/CacheModule.cpp b/framework/cacheModule/CacheModule.cpp
index 6053d0218..f979548b2 100644
--- a/framework/cacheModule/CacheModule.cpp
+++ b/framework/cacheModule/CacheModule.cpp
@@ -130,7 +130,7 @@ CacheRet CacheModule::start()
 
         string cacheTmpPath = mCachePath.getCachePath() + TMP_SUFFIX;
         mCacheFileRemuxer = new CacheFileRemuxer(cacheTmpPath, mDescription);
-        mCacheFileRemuxer->setStreamMeta(mStreamMetas);
+        mCacheFileRemuxer->setStreamMeta(&mStreamMetas);
         mCacheFileRemuxer->setErrorCallback([this](int code, string msg) -> void {
             if (mErrorCallback != nullptr) {
                 mErrorCallback(code, msg);
diff --git a/framework/cacheModule/cache/CacheFileRemuxer.cpp b/framework/cacheModule/cache/CacheFileRemuxer.cpp
index cc89ef381..4e61e8f65 100644
--- a/framework/cacheModule/cache/CacheFileRemuxer.cpp
+++ b/framework/cacheModule/cache/CacheFileRemuxer.cpp
@@ -270,16 +270,9 @@ void CacheFileRemuxer::setResultCallback(function<void(bool)> callback)
     mResultCallback = callback;
 }
 
-void CacheFileRemuxer::setStreamMeta(const vector<Stream_meta *> &streamMetas)
+void CacheFileRemuxer::setStreamMeta(const vector<Stream_meta *> *streamMetas)
 {
-    mStreamMetas.clear();
-    if (streamMetas.empty()) {
-        return;
-    }
-
-    for (auto &item : streamMetas) {
-        mStreamMetas.push_back(item);
-    }
+    mStreamMetas = streamMetas;
 }
 
 void CacheFileRemuxer::sendError(const CacheRet &ret)
diff --git a/framework/cacheModule/cache/CacheFileRemuxer.h b/framework/cacheModule/cache/CacheFileRemuxer.h
index 2d9b290a2..9dfbc64e0 100644
--- a/framework/cacheModule/cache/CacheFileRemuxer.h
+++ b/framework/cacheModule/cache/CacheFileRemuxer.h
@@ -50,7 +50,7 @@ class CacheFileRemuxer {
 
     void setResultCallback(function<void(bool)> callback);
 
-    void setStreamMeta(const vector<Stream_meta *> &streamMetas);
+    void setStreamMeta(const vector<Stream_meta *> *streamMetas);
 
 private :
 
@@ -71,7 +71,6 @@ private :
 private:
     string mDestFilePath;
     string mDescription;
-    function<bool(StreamType, Stream_meta *)> mMetaCallback = nullptr;
     deque<std::unique_ptr<FrameInfo>> mFrameInfoQueue;
     condition_variable mQueueCondition;
 
@@ -92,7 +91,7 @@ private :
     function<void(int, string)> mErrorCallback = nullptr;
     function<void(bool)> mResultCallback = nullptr;
 
-    vector<Stream_meta *> mStreamMetas{};
+    const vector<Stream_meta*> *mStreamMetas;
 
 };
 
diff --git a/framework/muxer/IMuxer.h b/framework/muxer/IMuxer.h
index 79b385120..e4cdf59a1 100644
--- a/framework/muxer/IMuxer.h
+++ b/framework/muxer/IMuxer.h
@@ -36,9 +36,7 @@ class IMuxer {
      * add streamMetas
      * @param streamMetas
      */
-    virtual void setStreamMetas(const std::vector<Stream_meta*> &streamMetas) = 0;
-
-    virtual void clearStreamMetas() = 0;
+    virtual void setStreamMetas(const vector<Stream_meta*> *streamMetas) = 0;
 
     //must be set before open(). These will be write to header.
     virtual void addSourceMetas(std::map<std::string,std::string> sourceMetas) = 0;
diff --git a/framework/muxer/ffmpegMuxer/FfmpegMuxer.cpp b/framework/muxer/ffmpegMuxer/FfmpegMuxer.cpp
index 00936eaae..485e90854 100644
--- a/framework/muxer/ffmpegMuxer/FfmpegMuxer.cpp
+++ b/framework/muxer/ffmpegMuxer/FfmpegMuxer.cpp
@@ -39,7 +39,6 @@ FfmpegMuxer::~FfmpegMuxer()
 
     mSourceMetaMap.clear();
     mStreamInfoMap.clear();
-    clearStreamMetas();
 }
 
 int FfmpegMuxer::open()
@@ -54,7 +53,7 @@ int FfmpegMuxer::open()
         return ret;
     }
 
-    for (Stream_meta *item : mStreamMetas) {
+    for (Stream_meta *item : *mStreamMetas) {
         AVStream *stream = nullptr;
 
         if (item->type == Stream_type::STREAM_TYPE_VIDEO) {
@@ -366,28 +365,9 @@ int FfmpegMuxer::muxerWriteDataType(uint8_t *buf, int size, enum DataType type,
     }
 }
 
-void FfmpegMuxer::setStreamMetas(const vector<Stream_meta *> &streamMetas)
+void FfmpegMuxer::setStreamMetas(const vector<Stream_meta *> *streamMetas)
 {
-    clearStreamMetas();
-
-    if (streamMetas.empty()) {
-        return;
-    }
-
-    for (const auto &item : streamMetas) {
-        mStreamMetas.push_back(item);
-    }
-}
-
-void FfmpegMuxer::clearStreamMetas()
-{
-    if (!mStreamMetas.empty()) {
-        for (auto &item : mStreamMetas) {
-            releaseMeta(item);
-        }
-
-        mStreamMetas.clear();
-    }
+    mStreamMetas = streamMetas;
 }
 
 void FfmpegMuxer::addSourceMetas(map<string, string> sourceMetas)
diff --git a/framework/muxer/ffmpegMuxer/FfmpegMuxer.h b/framework/muxer/ffmpegMuxer/FfmpegMuxer.h
index b3bd7cbc4..9798d0109 100644
--- a/framework/muxer/ffmpegMuxer/FfmpegMuxer.h
+++ b/framework/muxer/ffmpegMuxer/FfmpegMuxer.h
@@ -28,9 +28,7 @@ class CICADA_CPLUS_EXTERN FfmpegMuxer : public IMuxer, private IMuxerPrototype {
 
     void setCopyPts(bool copyPts) override;
 
-    void setStreamMetas(const std::vector<Stream_meta *> &streamMetas) override;
-
-    void clearStreamMetas() override;
+    void setStreamMetas(const vector<Stream_meta*> *streamMetas) override;
 
     //must be set before open(). These will be write to header.
     void addSourceMetas(std::map<std::string, std::string> sourceMetas) override;
@@ -120,7 +118,7 @@ class CICADA_CPLUS_EXTERN FfmpegMuxer : public IMuxer, private IMuxerPrototype {
 private:
 
     std::map<std::string, std::string> mSourceMetaMap;
-    std::vector<Stream_meta *> mStreamMetas;
+    const vector<Stream_meta*> *mStreamMetas;
     std::map<int, StreamInfo> mStreamInfoMap;
 
     uint8_t *mIobuf = nullptr;