diff --git a/src/Extension/AAC.h b/src/Extension/AAC.h
index c2a130fe..73a45335 100644
--- a/src/Extension/AAC.h
+++ b/src/Extension/AAC.h
@@ -152,7 +152,7 @@ public:
             throw std::invalid_argument("adts配置必须为2个字节");
         }
         _cfg = aac_cfg;
-        parseAacCfg(_cfg);
+        onReady();
     }
 
     /**
@@ -165,7 +165,7 @@ public:
             throw std::invalid_argument("adts头必须不少于7个字节");
         }
         _cfg = makeAdtsConfig((uint8_t*)adts_header);
-        parseAacCfg(_cfg);
+        onReady();
     }
 
     /**
@@ -177,7 +177,7 @@ public:
             throw std::invalid_argument("必须输入带adts头的aac帧");
         }
         _cfg = makeAdtsConfig((uint8_t*)aac_frame_with_adts->data());
-        parseAacCfg(_cfg);
+        onReady();
     }
 
     /**
@@ -235,18 +235,17 @@ public:
         if(_cfg.empty() && frame->prefixSize() >= 7){
             //7个字节的adts头
             _cfg = makeAdtsConfig(reinterpret_cast<const uint8_t *>(frame->data()));
-            parseAacCfg(_cfg);
+            onReady();
         }
         AudioTrack::inputFrame(frame);
     }
 private:
     /**
      * 解析2个字节的aac配置
-     * @param aac_cfg
      */
-    void parseAacCfg(const string &aac_cfg){
+    void onReady(){
         AACFrame aacFrame;
-        makeAdtsHeader(aac_cfg,aacFrame);
+        makeAdtsHeader(_cfg,aacFrame);
         getAACInfo(aacFrame,_sampleRate,_channel);
     }
     Track::Ptr clone() override {
diff --git a/src/Extension/H264.h b/src/Extension/H264.h
index 62549d05..ffa1c5ad 100644
--- a/src/Extension/H264.h
+++ b/src/Extension/H264.h
@@ -131,7 +131,7 @@ public:
     H264Track(const string &sps,const string &pps,int sps_prefix_len = 4,int pps_prefix_len = 4){
         _sps = sps.substr(sps_prefix_len);
         _pps = pps.substr(pps_prefix_len);
-        parseSps(_sps);
+        onReady();
     }
 
     /**
@@ -145,7 +145,7 @@ public:
         }
         _sps = string(sps->data() + sps->prefixSize(),sps->size() - sps->prefixSize());
         _pps = string(pps->data() + pps->prefixSize(),pps->size() - pps->prefixSize());
-        parseSps(_sps);
+        onReady();
     }
 
     /**
@@ -207,11 +207,7 @@ public:
         switch (type){
             case H264Frame::NAL_SPS:{
                 //sps
-                bool flag = _sps.empty();
                 _sps = string(frame->data() + frame->prefixSize(),frame->size() - frame->prefixSize());
-                if(flag && _width == 0){
-                    parseSps(_sps);
-                }
             }
                 break;
             case H264Frame::NAL_PPS:{
@@ -261,14 +257,17 @@ public:
             }
                 break;
         }
+
+        if(_width == 0 && ready()){
+            onReady();
+        }
     }
 private:
     /**
      * 解析sps获取宽高fps
-     * @param sps sps不含头数据
      */
-    void parseSps(const string &sps){
-        getAVCInfo(sps,_width,_height,_fps);
+    void onReady(){
+        getAVCInfo(_sps,_width,_height,_fps);
     }
     Track::Ptr clone() override {
         return std::make_shared<std::remove_reference<decltype(*this)>::type >(*this);
diff --git a/src/Extension/H265.h b/src/Extension/H265.h
index 918ac597..af2f754b 100644
--- a/src/Extension/H265.h
+++ b/src/Extension/H265.h
@@ -161,29 +161,26 @@ public:
 
     /**
      * 构造h265类型的媒体
+     * @param vps vps帧数据
      * @param sps sps帧数据
      * @param pps pps帧数据
+     * @param vps_prefix_len 265头长度，可以为3个或4个字节，一般为0x00 00 00 01
      * @param sps_prefix_len 265头长度，可以为3个或4个字节，一般为0x00 00 00 01
      * @param pps_prefix_len 265头长度，可以为3个或4个字节，一般为0x00 00 00 01
      */
-    H265Track(const string &sps, const string &pps, int sps_prefix_len = 4, int pps_prefix_len = 4) {
+    H265Track(const string &vps,const string &sps, const string &pps,int vps_prefix_len = 4, int sps_prefix_len = 4, int pps_prefix_len = 4) {
+        _vps = vps.substr(vps_prefix_len);
         _sps = sps.substr(sps_prefix_len);
         _pps = pps.substr(pps_prefix_len);
-        parseSps(_sps);
+        onReady();
     }
 
     /**
-     * 构造h265类型的媒体
-     * @param sps sps帧
-     * @param pps pps帧
+     * 返回不带0x00 00 00 01头的vps
+     * @return
      */
-    H265Track(const Frame::Ptr &sps, const Frame::Ptr &pps) {
-        if (sps->getCodecId() != CodecH265 || pps->getCodecId() != CodecH265) {
-            throw std::invalid_argument("必须输入H265类型的帧");
-        }
-        _sps = string(sps->data() + sps->prefixSize(), sps->size() - sps->prefixSize());
-        _pps = string(pps->data() + pps->prefixSize(), pps->size() - pps->prefixSize());
-        parseSps(_sps);
+    const string &getVps() const {
+        return _vps;
     }
 
     /**
@@ -231,7 +228,7 @@ public:
     }
 
     bool ready() override {
-        return !_sps.empty() && !_pps.empty();
+        return !_sps.empty() && !_pps.empty() && !_vps.empty();
     }
 
 
@@ -312,13 +309,17 @@ public:
             }
                 break;
         }
+
+        if(_width == 0 && ready() ){
+            onReady();
+        }
     }
 private:
     /**
      * 解析sps获取宽高fps
      * @param sps sps不含头数据
      */
-    void parseSps(const string &sps) {
+    void onReady() {
 //        getAVCInfo(sps,_width,_height,_fps);
     }