diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 1202a0795..2b5c1f242 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 6ac964d805f85d809ba0872bee7e0afa0ad489f3 8de21f47dfb72a47507076fb52c43e2cbacfd891
\ No newline at end of file
+UPDATE 8de21f47dfb72a47507076fb52c43e2cbacfd891 04aec6f99aa5a370014aa69b3277e8cbefb9ceb9
\ No newline at end of file