diff --git a/docs/.vitepress/theme/layout/SiteFooter.vue b/docs/.vitepress/theme/layout/SiteFooter.vue
index 4553f5c..33f70c6 100644
--- a/docs/.vitepress/theme/layout/SiteFooter.vue
+++ b/docs/.vitepress/theme/layout/SiteFooter.vue
@@ -31,12 +31,14 @@ const siteLinks = computed(() => {
 
 <style lang="less">
 .site-footer {
-  padding: 32px 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: var(--site-footer-height);
   background-color: var(--vp-c-bg-alt);
   color: var(--vp-c-text-1);
   font-size: 14px;
   line-height: 2;
-  text-align: center;
   user-select: none;
 
   a {
diff --git a/docs/.vitepress/theme/style/custom.less b/docs/.vitepress/theme/style/custom.less
index 411d5fd..f798551 100644
--- a/docs/.vitepress/theme/style/custom.less
+++ b/docs/.vitepress/theme/style/custom.less
@@ -1,4 +1,5 @@
 :root {
+  --site-footer-height: 80px;
   --vp-c-indigo-1: #1E88E5;
   --vp-c-indigo-2: #2196F3;
   --vp-c-indigo-3: #42A5F5;
@@ -21,3 +22,13 @@
     top: 0;
   }
 }
+
+.VPDoc {
+  // 修正右侧目录栏的高度
+  .aside-curtain {
+    bottom: var(--site-footer-height);
+  }
+  .aside-container {
+    height: calc(100vh - 80px);
+  }
+}