diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index a4909dffe..c18688d3a 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE e212633bd4e76996b7a3f872563b69769d1ac8d3 81d5509a62b01b7d44419bdd400aa9e0d99e916f
\ No newline at end of file
+UPDATE 81d5509a62b01b7d44419bdd400aa9e0d99e916f cc52c2f914c842679f3b7f5dfa67602cc8319dbb
\ No newline at end of file