diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 64ec28a1..99326fbe 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -62,7 +62,13 @@ foreach(TEST_SRC ${TEST_SRC_LIST})
 	if(WIN32)
 		set_target_properties(${TEST_EXE_NAME} PROPERTIES COMPILE_FLAGS ${VS_FALGS} )
 	endif(WIN32)
-    target_link_libraries(${TEST_EXE_NAME} ${LINK_LIB_LIST})
+    if (CMAKE_SYSTEM_NAME MATCHES "Linux")
+	    target_link_libraries(${TEST_EXE_NAME} -Wl,--start-group ${LINK_LIB_LIST} -Wl,--end-group)
+    else ()
+	    target_link_libraries(${TEST_EXE_NAME} ${LINK_LIB_LIST})
+    endif ()
+
+    #target_link_libraries(${TEST_EXE_NAME} ${LINK_LIB_LIST})
 endforeach()
 
 if(MSVC AND SDL2_FOUND AND AVCODEC_FOUND AND AVUTIL_FOUND)
diff --git a/webrtc/WebRtcTransport.cpp b/webrtc/WebRtcTransport.cpp
index 6ad1b896..2eb7cb1f 100644
--- a/webrtc/WebRtcTransport.cpp
+++ b/webrtc/WebRtcTransport.cpp
@@ -745,12 +745,7 @@ void WebRtcTransportImp::onRtp(const char *buf, size_t len) {
         }
 #endif
         //解析并排序rtp
-        if(!ref){
-            InfoL << "ignore  no rtp receiver of ssrc:" << ssrc<<" is rtx:"<<rtx;
-            return;
-        }
-        assert(ref);
-        ref->inputRtp(info->media->type, info->plan_rtp->sample_rate, (uint8_t *) buf, len);
+        ref->inputRtp(track->media->type, track->plan_rtp->sample_rate, (uint8_t *) buf, len, false);
         return;
     }