diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index ff0285efa..c29cceb71 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE e5129637d606170b2356db28ad7b097558c9221a 8fd6ea164e524a83bbd4b2d600a89c8a450241e3
\ No newline at end of file
+UPDATE 8fd6ea164e524a83bbd4b2d600a89c8a450241e3 ab867d6bfbab82f5f49d718299c29c630375f80d
\ No newline at end of file