diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 12935791b..661941845 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE f3d87878550bea3857a75907cd6cef2a63102dad 538ec4b48933e9910c5bd6770c612d333957d060
\ No newline at end of file
+UPDATE 538ec4b48933e9910c5bd6770c612d333957d060 3fece5bf9790b7ce95ddbef6f911ca84b21ef56b
\ No newline at end of file