diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 947960b7f..441f61862 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE ef327b725f6004cc372e8588c6480ebd37f01e09 023d24d4decf4b2e77301db33531bcd26a45df14
\ No newline at end of file
+UPDATE 023d24d4decf4b2e77301db33531bcd26a45df14 6f6a93b142b844e3d777b58de1d699d206eed1fb
\ No newline at end of file