diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index bf2f7c0a8..abc8adf6d 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 3cd931e6dbcd6bd920a1c15b7e5600692c6eb2dc 1d666e0bc89aabb2940bed79dabd1765d42b76bb
\ No newline at end of file
+UPDATE 1d666e0bc89aabb2940bed79dabd1765d42b76bb 4a930f15e3e5d60dc7859180ec51ae55070602bc
\ No newline at end of file