diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 2ded5f91a..8bece5d3c 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 0920fec236f2d57ae2a741611c058314e2ce9d8e cb53a10d8471f464a5c62ce24184e49074ff6902
\ No newline at end of file
+UPDATE cb53a10d8471f464a5c62ce24184e49074ff6902 a6f20e532f42f646783dd73c545bf17699b15768
\ No newline at end of file