diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 613dc4111..eb946f57a 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 11b4076e6eda8b28c75cd8dddd35fed8a6fc6e8c 277183f4d218bfe23eb36e7dc5abc521155b1311
\ No newline at end of file
+UPDATE 277183f4d218bfe23eb36e7dc5abc521155b1311 a6d9be69f6a210d7a368eb65c3ca62ef99f9051e
\ No newline at end of file