diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index abc8adf6d..77319f6c5 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 1d666e0bc89aabb2940bed79dabd1765d42b76bb 4a930f15e3e5d60dc7859180ec51ae55070602bc
\ No newline at end of file
+UPDATE 4a930f15e3e5d60dc7859180ec51ae55070602bc 24405b343cd6c29d5bc171f0db5b43ea16fe90d9
\ No newline at end of file