<update> needless event modifier native

document/components/docs/en-US/slide.md

@@ -10,7 +10,7 @@
 
   ```html
   <cube-slide @change="changePage">
-    <cube-slide-item v-for="(item, index) in items" :key="index" @click.native="clickHandler(item, index)">
+    <cube-slide-item v-for="(item, index) in items" :key="index" @click="clickHandler(item, index)">
       <a :href="item.url">
         <img :src="item.image">
       </a>

document/components/docs/zh-CN/slide.md

@@ -40,7 +40,7 @@
 
   ```html
   <cube-slide ref="slide" :data="items" @change="changePage">
-    <cube-slide-item v-for="(item, index) in items" :key="index" @click.native="clickHandler(item, index)">
+    <cube-slide-item v-for="(item, index) in items" :key="index" @click="clickHandler(item, index)">
       <a :href="item.url">
         <img :src="item.image">
       </a>

src/components/slide/slide.vue

@@ -2,12 +2,12 @@
   <div class="cube-slide" ref="slide">
     <div class="cube-slide-group" ref="slideGroup">
       <slot>
-        <cube-slide-item v-for="(item, index) in data" :key="index" @click.native="clickItem(item, index)" :item="item"></cube-slide-item>
+        <cube-slide-item v-for="(item, index) in data" :key="index" @click="clickItem(item, index)" :item="item"></cube-slide-item>
       </slot>
     </div>
     <div class="cube-slide-dots">
       <slot name="dots" :current="currentPageIndex" :dots="dots">
-        <span :class="{active: currentPageIndex === index}" v-for="(item, index) in dots"></span>
+        <span :class="{active: currentPageIndex === index}" v-for="(item, index) in dots" :key="index"></span>
       </slot>
     </div>
   </div>