diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index dc170d402..04bcb2c57 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 868d5bf00b4e3dbfcb66522bd675ed3a69dbb2ce e6a593d4cdaebea2981ba1e3408f331e9eca1c1d
\ No newline at end of file
+UPDATE e6a593d4cdaebea2981ba1e3408f331e9eca1c1d 18af2cf44e9e68524ea79e47adf19d1764c9ca41
\ No newline at end of file