diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index c18688d3a..195781777 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 81d5509a62b01b7d44419bdd400aa9e0d99e916f cc52c2f914c842679f3b7f5dfa67602cc8319dbb
\ No newline at end of file
+UPDATE cc52c2f914c842679f3b7f5dfa67602cc8319dbb 05db7ffc7d38cfb94081c58c8b051724a73527d7
\ No newline at end of file