diff --git a/.github/workflows/commit_message_check.yml b/.github/workflows/commit_message_check.yml
index 744f70f..c0a8227 100644
--- a/.github/workflows/commit_message_check.yml
+++ b/.github/workflows/commit_message_check.yml
@@ -12,8 +12,8 @@ jobs:
       with:
         fetch-depth: 0
 
-    - name: test
-      run: git branch -v
+    - name: get main
+      run: git fetch origin main --depth 1
 
     - name: check commit messages
       run: |