diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index abce5c2e6..bc7a8a7b1 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 31007e1d265f1d37f667a4f4cb36bfadb1151dc5 348b6806f86c41e1661b66386eab786bc95ea161
\ No newline at end of file
+UPDATE 348b6806f86c41e1661b66386eab786bc95ea161 168918e0b7c83faac68bb1df54eb87192502f90e
\ No newline at end of file