diff --git a/refs/heads/nanfang_branch b/refs/heads/nanfang_branch
index e7c269f..bacd0f3 100644
--- a/refs/heads/nanfang_branch
+++ b/refs/heads/nanfang_branch
@@ -1 +1 @@
-UPDATE 239e02e35c94d4bf89d24796c92185c684c623a4 e0a949b785625f2f1e823c20abd5b6c7bfd6bf12
\ No newline at end of file
+UPDATE e0a949b785625f2f1e823c20abd5b6c7bfd6bf12 7f8d75cf9c65f81c873d823834d5e4af0d7ce821
\ No newline at end of file