diff --git a/codes/c#/chapter_array_and_linkedlist/Array.cs b/codes/csharp/chapter_array_and_linkedlist/Array.cs
similarity index 100%
rename from codes/c#/chapter_array_and_linkedlist/Array.cs
rename to codes/csharp/chapter_array_and_linkedlist/Array.cs
diff --git a/deploy.sh b/deploy.sh
index eea018653..96a633cba 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -1,3 +1,4 @@
+rm -rf ./site
 mkdocs build --clean
 cd site
 git init
diff --git a/mkdocs.yml b/mkdocs.yml
index 35fa041a1..47406412b 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -33,6 +33,7 @@ theme:
     # - navigation.tabs
     # - navigation.tabs.sticky
     # - navigation.top
+    - navigation.footer
     - navigation.tracking
     - search.highlight
     - search.share