diff --git a/_includes/footer.html b/_includes/footer.html
index 4620300..da33c14 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -23,8 +23,9 @@
       <p class="mb-0">
         Powered by
         <a href="https://jekyllrb.com" target="_blank">Jekyll</a>
-        with theme
-        <a href="https://github.com/cotes2020/jekyll-theme-chirpy/">Chirpy</a>.
+        with
+        <a href="https://github.com/cotes2020/jekyll-theme-chirpy/">Chirpy</a>
+        theme.
       </p>
     </div>
 
diff --git a/tools/js-compress.sh b/tools/js-compress.sh
index 60bfa2c..f416c76 100755
--- a/tools/js-compress.sh
+++ b/tools/js-compress.sh
@@ -58,6 +58,11 @@ function compress() {
     if [[ -d "$src" ]]; then
       compress $src $2 $item   # recursion
     else
+
+      if [[ -z $(git status $src -s) ]]; then
+        continue
+      fi
+
       if [[ ! -d "$2/${sub_dir}" ]]; then
         mkdir -p $2/${sub_dir}
       fi