diff --git a/refs/heads/yantai_dev b/refs/heads/yantai_dev
index 3c73f8b11..a7ca15f1d 100644
--- a/refs/heads/yantai_dev
+++ b/refs/heads/yantai_dev
@@ -1 +1 @@
-UPDATE 6ebfc85900e60c4f8a246e3e8cf0b71db734a0ca b9dc60780c664b88e57cc5ce0f20f0ae013449c5
\ No newline at end of file
+UPDATE b9dc60780c664b88e57cc5ce0f20f0ae013449c5 4c4c6041f1f61e510d964c7e320ca8ab2ba3d222
\ No newline at end of file