diff --git a/src/decoder/interface/interface_headers.h b/src/decoder/interface/interface_headers.h
index b7751f2..7d50257 100644
--- a/src/decoder/interface/interface_headers.h
+++ b/src/decoder/interface/interface_headers.h
@@ -25,7 +25,7 @@ typedef void(*POST_DECODE_CALLBACK)(const void * userPtr, DeviceMemory* devFrame
 
 typedef void(*DECODE_FINISHED_CALLBACK)(const void* userPtr);
 
-typedef bool(*DECODE_REQUEST_STREAM_CALLBACK)(const char* deviceId, int rtp_port);
+typedef bool(*DECODE_REQUEST_STREAM_CALLBACK)(const char* deviceId);
 
 struct FFDecConfig{
     string uri;                             // 视频地址