diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index a0ba3008a..8e5c2eaa1 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE cf1d49a237392217b9e04520eb64c2af20081837 50da2d99800a44c6e45e603ee1376a533b95a0ca
\ No newline at end of file
+UPDATE 50da2d99800a44c6e45e603ee1376a533b95a0ca 7e5e8f2085f997b431021cc411bd8d0cd285e90d
\ No newline at end of file