diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index d97ed9891..9960c58d9 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE 17f22c9a97e5fd41da7db5a7971dfe34cca3699b 8eab016a912682591d699966a202e39dcdf4bde8
\ No newline at end of file
+UPDATE 8eab016a912682591d699966a202e39dcdf4bde8 47a64c4832c113d8c3a8afa3012f71f6e97d27ab
\ No newline at end of file