diff --git a/.gitmodules b/.gitmodules
index 91b7153..dd16605 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -30,3 +30,7 @@
 	path = examples/clang-tidy/sillycode
 	url = ssh://git@focs.ji.sjtu.edu.cn:2222/FOCS-dev/JOJ3-examples.git
 	branch = clang-tidy/sillycode
+[submodule "examples/clangtidy/sillycode"]
+	path = examples/clangtidy/sillycode
+	url = ssh://git@focs.ji.sjtu.edu.cn:2222/FOCS-dev/JOJ3-examples.git
+	branch = clangtidy/sillycode
diff --git a/examples/clang-tidy/sillycode b/examples/clangtidy/sillycode
similarity index 100%
rename from examples/clang-tidy/sillycode
rename to examples/clangtidy/sillycode