diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index d3cef885b..ea6bccb94 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 88a03a4227a627e83315179ed2a2fb7f421765c0 b2ff45497fdb7640327f1caf705dc47093c4be55
\ No newline at end of file
+UPDATE b2ff45497fdb7640327f1caf705dc47093c4be55 fcacac1bc3466892fad1312767549b78bd1fbec6
\ No newline at end of file