diff --git a/.gitmodules b/.gitmodules
index fe72c1e..03812e0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "metadef"]
 	path = metadef
 	url = https://gitee.com/ascend/metadef.git
+	branch = development
diff --git a/metadef b/metadef
index 765d857..5bbaf8a 160000
--- a/metadef
+++ b/metadef
@@ -1 +1 @@
-Subproject commit 765d85777ec10fe819799cd2c1b60db49be7c749
+Subproject commit 5bbaf8ae9efd145225ebf656fb7da63c2432681d