diff --git a/refs/heads/yantai_dev b/refs/heads/yantai_dev
index a8349f450..1a9d19ef8 100644
--- a/refs/heads/yantai_dev
+++ b/refs/heads/yantai_dev
@@ -1 +1 @@
-UPDATE 6c3053fc5966376a13e8c4c110384b7acabe3e5d 99d587dab746a5cbbaf87c02711f83862f19fe72
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+UPDATE 99d587dab746a5cbbaf87c02711f83862f19fe72 50374d40d538eda7521a1b0937dfafdfd5c8c0a1
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