diff --git a/refs/heads/yantai_dev b/refs/heads/yantai_dev
index 69e0b8df7..c18688d3a 100644
--- a/refs/heads/yantai_dev
+++ b/refs/heads/yantai_dev
@@ -1 +1 @@
-UPDATE 6910c92972ce323936de999d5e65f9c20f970434 81d5509a62b01b7d44419bdd400aa9e0d99e916f
\ No newline at end of file
+UPDATE 81d5509a62b01b7d44419bdd400aa9e0d99e916f cc52c2f914c842679f3b7f5dfa67602cc8319dbb
\ No newline at end of file