diff --git a/src/docs/en-US/button.md b/src/docs/en-US/button.md
index ebacd96..5f212d2 100644
--- a/src/docs/en-US/button.md
+++ b/src/docs/en-US/button.md
@@ -14,7 +14,7 @@ The `mu-button` button component can be customized with a different color or ico
   <mu-button color="info">Info</mu-button>
   <mu-button color="error">Error</mu-button>
   <mu-button disabled>disabled</mu-button>
-<mu-container>
+</mu-container>
 <style lang="less">
 .button-wrapper {
   text-align: center;
@@ -39,7 +39,7 @@ Used for common functionality and reduced tiering on the screen to make it more
   <mu-button flat color="success">Success</mu-button>
   <mu-button flat color="warning">Warning</mu-button>
   <mu-button flat disabled>disabled</mu-button>
-<mu-container>
+</mu-container>
 <style lang="less">
 .button-wrapper {
   text-align: center;
@@ -108,7 +108,7 @@ The icon can be used as the main content of the button, or it can be displayed w
       <mu-icon right value="send"></mu-icon>
     </mu-button>
   </div>
-<mu-container>
+</mu-container>
 <style lang="less">
 .button-wrapper {
   text-align: center;
@@ -146,7 +146,7 @@ The floating button is rounded and usually contains an icon.
   <mu-button large fab color="purple">
     <mu-icon value="thumb_up"></mu-icon>
   </mu-button>
-<mu-container>
+</mu-container>
   <style lang="less">
 .button-wrapper {
   text-align: center;
@@ -255,15 +255,3 @@ Button can be set in defferent size，`small`、`normal`、`large`。
 | append | When the `append` property is set, the base path is added before the current (relative) path. For example, we navigate from `/a` to a relative path b, if no append is configured, the path is `/b`, and if it is `/a/b` | Boolean | — | false |
 | replace | Setting the `replace` property, when clicked, will call `router.replace()` instead of `router.push()`, so the navigation will not leave the history record. | Boolean | — | false |
 
-<style lang="less">
-.button-wrapper {
-  text-align: center;
-  .mu-button{
-    margin: 8px;
-    vertical-align: middle;
-  }
-  a.mu-button {
-    text-decoration: none;
-  }
-}
-</style>
diff --git a/src/docs/en-US/load-more.md b/src/docs/en-US/load-more.md
index 7030b49..499e2ee 100644
--- a/src/docs/en-US/load-more.md
+++ b/src/docs/en-US/load-more.md
@@ -22,10 +22,10 @@ Hold the drop-down to refresh, or scroll to the bottom to load data.
     <mu-load-more @refresh="refresh" :refreshing="refreshing" :loading="loading" @load="load">
       <mu-list>
         <template v-for="i in num">
-          <mu-list-item>
+          <mu-list-item :key="i + num">
             <mu-list-item-title>{{text}} Item {{i}}</mu-list-item-title>
           </mu-list-item>
-          <mu-divider />
+          <mu-divider :key="i"/>
         </template>
       </mu-list>
     </mu-load-more>
diff --git a/src/docs/zh-CN/button.md b/src/docs/zh-CN/button.md
index 59a1c57..f8f483e 100644
--- a/src/docs/zh-CN/button.md
+++ b/src/docs/zh-CN/button.md
@@ -14,7 +14,7 @@
   <mu-button color="info">Info</mu-button>
   <mu-button color="error">Error</mu-button>
   <mu-button disabled>disabled</mu-button>
-<mu-container>
+</mu-container>
 <style lang="less">
 .button-wrapper {
   text-align: center;
@@ -39,7 +39,7 @@
   <mu-button flat color="success">Success</mu-button>
   <mu-button flat color="warning">Warning</mu-button>
   <mu-button flat disabled>disabled</mu-button>
-<mu-container>
+</mu-container>
 <style lang="less">
 .button-wrapper {
   text-align: center;
@@ -108,7 +108,7 @@
       <mu-icon right value="send"></mu-icon>
     </mu-button>
   </div>
-<mu-container>
+</mu-container>
 <style lang="less">
 .button-wrapper {
   text-align: center;
@@ -146,7 +146,7 @@
   <mu-button large fab color="purple">
     <mu-icon value="thumb_up"></mu-icon>
   </mu-button>
-<mu-container>
+</mu-container>
   <style lang="less">
 .button-wrapper {
   text-align: center;
@@ -255,15 +255,3 @@
 | append | 设置 `append` 属性后，则在当前（相对）路径前添加基路径。例如，我们从 `/a` 导航到一个相对路径 b，如果没有配置 append，则路径为 /b，如果配了，则为 /a/b | Boolean | — | false |
 | replace | 设置 `replace` 属性的话，当点击时，会调用 `router.replace()` 而不是 `router.push()`，于是导航后不会留下 history 记录。 | Boolean | — | false |
 
-<style lang="less">
-.button-wrapper {
-  text-align: center;
-  .mu-button{
-    margin: 8px;
-    vertical-align: middle;
-  }
-  a.mu-button {
-    text-decoration: none;
-  }
-}
-</style>
diff --git a/src/docs/zh-CN/load-more.md b/src/docs/zh-CN/load-more.md
index 592b2cb..eddf21c 100644
--- a/src/docs/zh-CN/load-more.md
+++ b/src/docs/zh-CN/load-more.md
@@ -22,10 +22,10 @@
     <mu-load-more @refresh="refresh" :refreshing="refreshing" :loading="loading" @load="load">
       <mu-list>
         <template v-for="i in num">
-          <mu-list-item>
+          <mu-list-item :key="i+num">
             <mu-list-item-title>{{text}} Item {{i}}</mu-list-item-title>
           </mu-list-item>
-          <mu-divider />
+          <mu-divider :key="i"/>
         </template>
       </mu-list>
     </mu-load-more>