diff --git a/.gitmodules b/.gitmodules
index 820a10e..aeb7cb6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "Convention"]
 	path = Convention
 	url = http://www.liubai.site:3000/ninemine/Convention-Python.git
+	branch = main