diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 5c61b7256..3c4fa8183 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE a7c11c403cf397298934d9f591ab0f86d5673bcc 1e8cc594c15f9c995cb858303a6048a815e5eb8e
\ No newline at end of file
+UPDATE 1e8cc594c15f9c995cb858303a6048a815e5eb8e 88a03a4227a627e83315179ed2a2fb7f421765c0
\ No newline at end of file