diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index d24a208fa..ca09c33fe 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 614f2699d6cadadf64628ede266e8000f044c6fb 6f21ee8f1a1ea15bd205ea5625c4e044ee2dcfbc
\ No newline at end of file
+UPDATE 6f21ee8f1a1ea15bd205ea5625c4e044ee2dcfbc cf1d49a237392217b9e04520eb64c2af20081837
\ No newline at end of file