diff --git a/refs/heads/yantai_master b/refs/heads/yantai_master
index 9e6b454b5..28655ce98 100644
--- a/refs/heads/yantai_master
+++ b/refs/heads/yantai_master
@@ -1 +1 @@
-UPDATE a01baa35f980c52aab9a6c04c2320dac2e66c794 c6d04568b3232608f4bd6f8c1fca136b3a774490
\ No newline at end of file
+UPDATE c6d04568b3232608f4bd6f8c1fca136b3a774490 a156137529ad1a1d7c29bbe117e2e88430cdcb35
\ No newline at end of file