diff --git a/model/audio/core/src/audio_core.c b/model/audio/core/src/audio_core.c
index f61a7341588dcbd4639bd5ea6a54dcd431e7201e..6296c35f14dc99b8e5397cb3a7e4de529cf7ca5f 100755
--- a/model/audio/core/src/audio_core.c
+++ b/model/audio/core/src/audio_core.c
@@ -9,6 +9,7 @@
 #include "audio_core.h"
 
 #define HDF_LOG_TAG audio_core
+// test updae in shanghai
 
 AUDIO_LIST_HEAD(daiController);
 AUDIO_LIST_HEAD(platformController);