diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index bb095c06f..1552dd2a7 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
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\ No newline at end of file
+UPDATE cc47346139195bab4da448740cf2017f35caa1cb e8b656609d26fafe290003e69c50c5bd4612f00e
\ No newline at end of file