diff --git a/site/.vuepress/styles/index.styl b/site/.vuepress/styles/index.styl
index 4faba50..dd19a03 100755
--- a/site/.vuepress/styles/index.styl
+++ b/site/.vuepress/styles/index.styl
@@ -24,7 +24,7 @@ footer.page-edit
     max-width: 80%;
 
 aside.sidebar
-    z-index: 18;
+    z-index: 1000;
 
 header
     z-index: 9991 !important;