diff --git a/site/.vuepress/styles/index.styl b/site/.vuepress/styles/index.styl
index d5691f2..4c84905 100755
--- a/site/.vuepress/styles/index.styl
+++ b/site/.vuepress/styles/index.styl
@@ -3,6 +3,9 @@
  *
  * ref：https://v1.vuepress.vuejs.org/config/#index-styl
  */
+ 
+ body
+    min-height: 120vh;
 
 div.theme-default-content:not(.custom) 
     max-width: 80%;
@@ -11,4 +14,4 @@ footer.page-edit
     max-width: 80%;
 
 aside.sidebar
-    z-index: 18
\ No newline at end of file
+    z-index: 18;