diff --git a/refs/heads/yantai_dev b/refs/heads/yantai_dev
index 976de0afc..82788056e 100644
--- a/refs/heads/yantai_dev
+++ b/refs/heads/yantai_dev
@@ -1 +1 @@
-UPDATE 227b7095e97fb657d1e085b9b3d3d6c2a635751f 8b64d6172c5a1a596bd01e2edd520bffcd900e2d
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+UPDATE 8b64d6172c5a1a596bd01e2edd520bffcd900e2d b2679f3399eb4adb5c08e50b8c1679880b2c7596
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