diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index ca09c33fe..a0ba3008a 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 6f21ee8f1a1ea15bd205ea5625c4e044ee2dcfbc cf1d49a237392217b9e04520eb64c2af20081837
\ No newline at end of file
+UPDATE cf1d49a237392217b9e04520eb64c2af20081837 50da2d99800a44c6e45e603ee1376a533b95a0ca
\ No newline at end of file