diff --git a/src/Common/Device.cpp b/src/Common/Device.cpp
index 3eece715..d98683e1 100644
--- a/src/Common/Device.cpp
+++ b/src/Common/Device.cpp
@@ -103,7 +103,7 @@ void DevChannel::inputH264(const char* pcData, int iDataLen, uint32_t dts,uint32
     } else {
         prefixeSize = 0;
     }
-    inputFrame(std::make_shared<H264FrameNoCopyAble>((char *)pcData,iDataLen,dts,pts,prefixeSize));
+    inputFrame(std::make_shared<H264FrameNoCacheAble>((char *)pcData,iDataLen,dts,pts,prefixeSize));
 }
 
 void DevChannel::inputAAC(const char* pcData, int iDataLen, uint32_t uiStamp,bool withAdtsHeader) {
@@ -119,12 +119,12 @@ void DevChannel::inputAAC(const char *pcDataWithoutAdts,int iDataLen, uint32_t u
         uiStamp = (uint32_t)_aTicker[1].elapsedTime();
     }
     if(pcAdtsHeader + 7 == pcDataWithoutAdts){
-		inputFrame(std::make_shared<AACFrameNoCopyAble>((char *)pcDataWithoutAdts - 7,iDataLen + 7,uiStamp,7));
+		inputFrame(std::make_shared<AACFrameNoCacheAble>((char *)pcDataWithoutAdts - 7,iDataLen + 7,uiStamp,7));
 	} else {
     	char *dataWithAdts = new char[iDataLen + 7];
 		memcpy(dataWithAdts,pcAdtsHeader,7);
     	memcpy(dataWithAdts + 7 , pcDataWithoutAdts , iDataLen);
-		inputFrame(std::make_shared<AACFrameNoCopyAble>(dataWithAdts,iDataLen + 7,uiStamp,7));
+		inputFrame(std::make_shared<AACFrameNoCacheAble>(dataWithAdts,iDataLen + 7,uiStamp,7));
 		delete [] dataWithAdts;
 	}
 }
diff --git a/src/Extension/AAC.h b/src/Extension/AAC.h
index c47b0a9d..e445b7fe 100644
--- a/src/Extension/AAC.h
+++ b/src/Extension/AAC.h
@@ -105,11 +105,11 @@ public:
     uint32_t iPrefixSize = 7;
 } ;
 
-class AACFrameNoCopyAble : public FrameNoCopyAble {
+class AACFrameNoCacheAble : public FrameNoCacheAble {
 public:
-    typedef std::shared_ptr<AACFrameNoCopyAble> Ptr;
+    typedef std::shared_ptr<AACFrameNoCacheAble> Ptr;
 
-    AACFrameNoCopyAble(char *ptr,uint32_t size,uint32_t dts,int prefixeSize = 7){
+    AACFrameNoCacheAble(char *ptr,uint32_t size,uint32_t dts,int prefixeSize = 7){
         _ptr = ptr;
         _size = size;
         _dts = dts;
diff --git a/src/Extension/Frame.h b/src/Extension/Frame.h
index 57b72433..d6c867bc 100644
--- a/src/Extension/Frame.h
+++ b/src/Extension/Frame.h
@@ -116,6 +116,11 @@ public:
      * @return
      */
     virtual bool keyFrame() const = 0;
+
+    /**
+     * 是否可以缓存
+     */
+    virtual bool cacheAble() const { return true; }
 };
 
 /**
@@ -281,9 +286,9 @@ private:
     map<void *,FrameWriterInterface::Ptr>  _delegateMap;
 };
 
-class FrameNoCopyAble : public Frame{
+class FrameNoCacheAble : public Frame{
 public:
-    typedef std::shared_ptr<FrameNoCopyAble> Ptr;
+    typedef std::shared_ptr<FrameNoCacheAble> Ptr;
     char *data() const override{
         return _ptr;
     }
@@ -306,6 +311,13 @@ public:
         return _prefixSize;
     }
 
+    /**
+     * 该帧不可缓存
+     * @return
+     */
+    bool cacheAble() const override {
+        return false;
+    }
 protected:
     char *_ptr;
     uint32_t _size;
diff --git a/src/Extension/H264.h b/src/Extension/H264.h
index e8e0f801..bb036a8e 100644
--- a/src/Extension/H264.h
+++ b/src/Extension/H264.h
@@ -92,11 +92,11 @@ public:
 };
 
 
-class H264FrameNoCopyAble : public FrameNoCopyAble {
+class H264FrameNoCacheAble : public FrameNoCacheAble {
 public:
-    typedef std::shared_ptr<H264FrameNoCopyAble> Ptr;
+    typedef std::shared_ptr<H264FrameNoCacheAble> Ptr;
 
-    H264FrameNoCopyAble(char *ptr,uint32_t size,uint32_t dts , uint32_t pts ,int prefixeSize = 4){
+    H264FrameNoCacheAble(char *ptr,uint32_t size,uint32_t dts , uint32_t pts ,int prefixeSize = 4){
         _ptr = ptr;
         _size = size;
         _dts = dts;
@@ -117,13 +117,13 @@ public:
     }
 };
 
-class H264FrameSubFrame : public H264FrameNoCopyAble{
+class H264FrameSubFrame : public H264FrameNoCacheAble{
 public:
     typedef std::shared_ptr<H264FrameSubFrame> Ptr;
     H264FrameSubFrame(const Frame::Ptr &strongRef,
                       char *ptr,
                       uint32_t size,
-                      int prefixeSize) : H264FrameNoCopyAble(ptr,size,strongRef->dts(),strongRef->pts(),prefixeSize){
+                      int prefixeSize) : H264FrameNoCacheAble(ptr,size,strongRef->dts(),strongRef->pts(),prefixeSize){
         _strongRef = strongRef;
     }
 private:
diff --git a/src/Extension/H265.h b/src/Extension/H265.h
index 5fd3a6af..9ba82458 100644
--- a/src/Extension/H265.h
+++ b/src/Extension/H265.h
@@ -121,11 +121,11 @@ public:
 };
 
 
-class H265FrameNoCopyAble : public FrameNoCopyAble {
+class H265FrameNoCacheAble : public FrameNoCacheAble {
 public:
-    typedef std::shared_ptr<H265FrameNoCopyAble> Ptr;
+    typedef std::shared_ptr<H265FrameNoCacheAble> Ptr;
 
-    H265FrameNoCopyAble(char *ptr, uint32_t size, uint32_t dts,uint32_t pts, int prefixeSize = 4) {
+    H265FrameNoCacheAble(char *ptr, uint32_t size, uint32_t dts,uint32_t pts, int prefixeSize = 4) {
         _ptr = ptr;
         _size = size;
         _dts = dts;
diff --git a/src/MediaFile/MediaReader.cpp b/src/MediaFile/MediaReader.cpp
index c58d4b4d..8bf100b8 100644
--- a/src/MediaFile/MediaReader.cpp
+++ b/src/MediaFile/MediaReader.cpp
@@ -261,11 +261,11 @@ inline bool MediaReader::readAudioSample(int iTimeInc,bool justSeekSyncFrame) {
 }
 
 inline void MediaReader::writeH264(uint8_t *pucData,int iLen,uint32_t dts,uint32_t pts) {
-	_mediaMuxer->inputFrame(std::make_shared<H264FrameNoCopyAble>((char*)pucData,iLen,dts,pts));
+	_mediaMuxer->inputFrame(std::make_shared<H264FrameNoCacheAble>((char*)pucData,iLen,dts,pts));
 }
 
 inline void MediaReader::writeAAC(uint8_t *pucData,int iLen,uint32_t uiStamp) {
-	_mediaMuxer->inputFrame(std::make_shared<AACFrameNoCopyAble>((char*)pucData,iLen,uiStamp));
+	_mediaMuxer->inputFrame(std::make_shared<AACFrameNoCacheAble>((char*)pucData,iLen,uiStamp));
 }
 
 inline MP4SampleId MediaReader::getVideoSampleId(int iTimeInc ) {
diff --git a/src/Player/PlayerProxy.cpp b/src/Player/PlayerProxy.cpp
index 85a6ee06..5b821d85 100644
--- a/src/Player/PlayerProxy.cpp
+++ b/src/Player/PlayerProxy.cpp
@@ -212,7 +212,7 @@ public:
 			auto iAudioIndex = frame->stamp() / MUTE_ADTS_DATA_MS;
 			if(_iAudioIndex != iAudioIndex){
 				_iAudioIndex = iAudioIndex;
-				auto aacFrame = std::make_shared<AACFrameNoCopyAble>((char *)MUTE_ADTS_DATA,
+				auto aacFrame = std::make_shared<AACFrameNoCacheAble>((char *)MUTE_ADTS_DATA,
 																	 MUTE_ADTS_DATA_LEN,
 																	  _iAudioIndex * MUTE_ADTS_DATA_MS);
 				FrameRingInterfaceDelegate::inputFrame(aacFrame);