diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 9960c58d9..3765bed65 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 8eab016a912682591d699966a202e39dcdf4bde8 47a64c4832c113d8c3a8afa3012f71f6e97d27ab
\ No newline at end of file
+UPDATE 47a64c4832c113d8c3a8afa3012f71f6e97d27ab 5111415be2b5b8c94ab9bae5782c20d960b4f36c
\ No newline at end of file