diff --git a/refs/heads/yantai_dev b/refs/heads/yantai_dev
index 9101eb586..5aea91338 100644
--- a/refs/heads/yantai_dev
+++ b/refs/heads/yantai_dev
@@ -1 +1 @@
-UPDATE 2d14040e40bca87aa1054b7746c20c7d874ee5d3 6c00b46dea889f5f35e8bf5bd87a73b82121228c
\ No newline at end of file
+UPDATE 6c00b46dea889f5f35e8bf5bd87a73b82121228c b8489a89e9aabc154573f381b3369639a543e2e1
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