diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 1166c9cab..71bd126d2 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 36e624fe587d034b97a5d8a056e6fe8f75752372 7fbd7ae4634a18f62d15f63981f1ee99a396773e
\ No newline at end of file
+UPDATE 7fbd7ae4634a18f62d15f63981f1ee99a396773e 8c715a615d36fb235ac210933909b5beb569562f
\ No newline at end of file