diff --git a/src/Rtp/RtpSplitter.cpp b/src/Rtp/RtpSplitter.cpp
index f7175b30..78c5223c 100644
--- a/src/Rtp/RtpSplitter.cpp
+++ b/src/Rtp/RtpSplitter.cpp
@@ -59,11 +59,15 @@ const char *RtpSplitter::onSearchPacketTail(const char *data, size_t len) {
         return onSearchPacketTail_l(data + kEHOME_OFFSET + 2, len - kEHOME_OFFSET - 2);
     }
 
-    if (data[0] == '$') {
-        //可能是4个字节的rtp头
-        _offset = 4;
-        return onSearchPacketTail_l(data + 2, len - 2);
+    if ( _is_rtsp_interleaved ) {
+        if (data[0] == '$') {
+            //可能是4个字节的rtp头
+            _offset = 4;
+            return onSearchPacketTail_l(data + 2, len - 2);
+        }
+        _is_rtsp_interleaved = false;
     }
+    
     //两个字节的rtp头
     _offset = 2;
     return onSearchPacketTail_l(data, len);
diff --git a/src/Rtp/RtpSplitter.h b/src/Rtp/RtpSplitter.h
index 9401691e..50e3af43 100644
--- a/src/Rtp/RtpSplitter.h
+++ b/src/Rtp/RtpSplitter.h
@@ -36,6 +36,7 @@ protected:
 
 private:
     bool _is_ehome = false;
+    bool _is_rtsp_interleaved = true;
     size_t _offset = 0;
 };