diff --git a/.gitmodules b/.gitmodules
index 03812e0..4b23427 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "metadef"]
 	path = metadef
 	url = https://gitee.com/ascend/metadef.git
-	branch = development
+	branch = master