diff --git a/src/Extension/H264.cpp b/src/Extension/H264.cpp
index 7a7acd33..ec220ea7 100644
--- a/src/Extension/H264.cpp
+++ b/src/Extension/H264.cpp
@@ -15,7 +15,10 @@ using namespace toolkit;
 
 namespace mediakit{
 
-static bool getAVCInfo(const char * sps,size_t sps_len,int &iVideoWidth, int &iVideoHeight, float  &iVideoFps){
+static bool getAVCInfo(const char *sps, size_t sps_len,int &iVideoWidth, int &iVideoHeight, float  &iVideoFps){
+    if (sps_len < 4) {
+        return false;
+    }
     T_GetBitContext tGetBitBuf;
     T_SPS tH264SpsInfo;
     memset(&tGetBitBuf,0,sizeof(tGetBitBuf));
@@ -157,7 +160,10 @@ void H264Track::inputFrame(const Frame::Ptr &frame) {
 }
 
 void H264Track::onReady(){
-    getAVCInfo(_sps,_width,_height,_fps);
+    if (!getAVCInfo(_sps, _width, _height, _fps)) {
+        _sps.clear();
+        _pps.clear();
+    }
 }
 
 Track::Ptr H264Track::clone() {
diff --git a/src/Extension/H264Rtmp.cpp b/src/Extension/H264Rtmp.cpp
index 3cd4d04f..ca58472a 100644
--- a/src/Extension/H264Rtmp.cpp
+++ b/src/Extension/H264Rtmp.cpp
@@ -221,6 +221,10 @@ void H264RtmpEncoder::inputFrame(const Frame::Ptr &frame) {
 }
 
 void H264RtmpEncoder::makeVideoConfigPkt() {
+    if (_sps.size() < 4) {
+        WarnL << "sps长度不足4字节";
+        return;
+    }
     int8_t flags = FLV_CODEC_H264;
     flags |= (FLV_KEY_FRAME << 4);
     bool is_config = true;
diff --git a/src/Extension/H265.cpp b/src/Extension/H265.cpp
index db670bc5..48132a1d 100644
--- a/src/Extension/H265.cpp
+++ b/src/Extension/H265.cpp
@@ -186,7 +186,11 @@ void H265Track::inputFrame_l(const Frame::Ptr &frame) {
 }
 
 void H265Track::onReady() {
-    getHEVCInfo(_vps, _sps, _width, _height, _fps);
+    if (!getHEVCInfo(_vps, _sps, _width, _height, _fps)) {
+        _vps.clear();
+        _sps.clear();
+        _pps.clear();
+    }
 }
 
 Track::Ptr H265Track::clone() {