diff --git a/.gitmodules b/.gitmodules
index c6b7cc8e..f2d25f80 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,5 +4,5 @@
 	branch = master
 [submodule "metadef"]
 	path = metadef
-	url = https://gitee.com/ascend/metadef.git
+	url = https://gitee.com/nicholas_yhr/metadef.git
 	branch = master
diff --git a/metadef b/metadef
index 238e5308..7910e842 160000
--- a/metadef
+++ b/metadef
@@ -1 +1 @@
-Subproject commit 238e5308bf0191ac4598984ad6de80fa4a0cff4d
+Subproject commit 7910e842254d0e4a0004fa73cd95b6f937cdd307