diff --git a/refs/heads/yantai_dev b/refs/heads/yantai_dev
index 250029ed3..fcbd46d95 100644
--- a/refs/heads/yantai_dev
+++ b/refs/heads/yantai_dev
@@ -1 +1 @@
-UPDATE 86eb9cf0dda792d31bbb06d1399427f7532b4a6a 7efdfe151b0c5ca5518f8c15bc024a13b530e3c6
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+UPDATE 7efdfe151b0c5ca5518f8c15bc024a13b530e3c6 dbf76938221ed002f13a0ac5bbd8d1f51b98678c
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