diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index f38995b00..d24a208fa 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 3fece5bf9790b7ce95ddbef6f911ca84b21ef56b 614f2699d6cadadf64628ede266e8000f044c6fb
\ No newline at end of file
+UPDATE 614f2699d6cadadf64628ede266e8000f044c6fb 6f21ee8f1a1ea15bd205ea5625c4e044ee2dcfbc
\ No newline at end of file