diff --git a/refs/heads/yantai_dev b/refs/heads/yantai_dev
index 6350c9c05..2e13f112c 100644
--- a/refs/heads/yantai_dev
+++ b/refs/heads/yantai_dev
@@ -1 +1 @@
-UPDATE 614f2699d6cadadf64628ede266e8000f044c6fb 58a287a0a9238724fe34ba2e1ba4ddc8cae5c220
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+UPDATE 58a287a0a9238724fe34ba2e1ba4ddc8cae5c220 6f21ee8f1a1ea15bd205ea5625c4e044ee2dcfbc
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