diff --git a/.gitmodules b/.gitmodules
index be9dea3..9b36f7f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "UI"]
 	path = UI
 	url = https://github.com/IceWhaleTech/CasaOS-UI.git
+	branch = main
\ No newline at end of file