diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 802414f7b..27b0bc645 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 737565b105e3c6e27624db8ffb70b6de90b9c9dc 4a5befd605b424ec2bf4782f383d78796f55c0eb
\ No newline at end of file
+UPDATE 4a5befd605b424ec2bf4782f383d78796f55c0eb 2a5c96ed193cd55da29555c05bfbad2d9d52568d
\ No newline at end of file