diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 1fb2103d0..566cb03bb 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 8c715a615d36fb235ac210933909b5beb569562f 512d28538719e55af391968198b9e379ea11bba2
\ No newline at end of file
+UPDATE 512d28538719e55af391968198b9e379ea11bba2 389eb85540ab708fcf30e046b4b278b3bb833693
\ No newline at end of file