diff --git a/src/sync_template.sh b/src/sync_template.sh
index 68f6294..b1bae12 100644
--- a/src/sync_template.sh
+++ b/src/sync_template.sh
@@ -76,7 +76,7 @@ fi
 
 if [ -s "${TEMPLATE_SYNC_IGNORE_FILE_PATH}" ]; then
   echo "::group::restore ignore file"
-	info "restore the ignore file"
+  info "restore the ignore file"
   git reset "${TEMPLATE_SYNC_IGNORE_FILE_PATH}"
   git checkout -- "${TEMPLATE_SYNC_IGNORE_FILE_PATH}"
   echo "::endgroup::"
@@ -98,6 +98,11 @@ if [ -s "${TEMPLATE_SYNC_IGNORE_FILE_PATH}" ]; then
   git checkout -- .
 fi
 
+if git diff --quiet && git diff --staged --quiet; then
+  info "nothing to commit"
+  exit 0
+fi
+
 git commit -m "${PR_COMMIT_MSG}"
 
 echo "::endgroup::"