diff --git a/refs/heads/yantai_dev b/refs/heads/yantai_dev
index 2e13f112c..ca09c33fe 100644
--- a/refs/heads/yantai_dev
+++ b/refs/heads/yantai_dev
@@ -1 +1 @@
-UPDATE 58a287a0a9238724fe34ba2e1ba4ddc8cae5c220 6f21ee8f1a1ea15bd205ea5625c4e044ee2dcfbc
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+UPDATE 6f21ee8f1a1ea15bd205ea5625c4e044ee2dcfbc cf1d49a237392217b9e04520eb64c2af20081837
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