diff --git a/site/components/demo.vue b/site/components/demo.vue
index 8da74a971..a50c189ce 100644
--- a/site/components/demo.vue
+++ b/site/components/demo.vue
@@ -40,7 +40,7 @@ export default {
       currentSubMenu.forEach(({ cnTitle, usTitle, id }) => {
         const title = isCN ? cnTitle : usTitle
         const className = window.location.hash === `#${id}` ? 'current' : ''
-        lis.push(<li title={title} key={id}><a href={`#${id}`} class={className}>{title}</a></li>)
+        lis.push(<li title={title}><a href={`#${id}`} class={className}>{title}</a></li>)
       })
       return (
         <a-affix>
diff --git a/site/components/demoBox.vue b/site/components/demoBox.vue
index d1bd6519c..95fcd5b1c 100644
--- a/site/components/demoBox.vue
+++ b/site/components/demoBox.vue
@@ -53,11 +53,11 @@ export default {
         `not have usTitle`,
       )
     }
-    let id = ['components', name.replace('-cn', ''), 'demo', ...usTitle.split(' ')].join('-').toLowerCase()
+    const id = ['components', name.replace('-cn', ''), 'demo', ...usTitle.split(' ')].join('-').toLowerCase()
 
     if (this._store.store) {
       const { currentSubMenu } = this._store.store.getState()
-      id = `${id}-${currentSubMenu.length + 1}`
+      // id = `${id}-${currentSubMenu.length + 1}`
       this._store.store.setState({ currentSubMenu: [...currentSubMenu, { cnTitle, usTitle, id }] })
     }
     return {