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add key for v-for

pull/42/head^2
lin-xin 2017-05-16 14:14:51 +08:00
parent d25cd3eaff
commit fe442ab439
1 changed files with 1 additions and 1 deletions
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2
src/components/common/Sidebar.vue
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@ -5,7 +5,7 @@
<template v-if="item.subs">
<el-submenu :index="item.index">
<template slot="title"><i class="el-icon-menu"></i>{{ item.title }}</template>
<el-menu-item v-for="subItem in item.subs" :index="subItem.index">{{ subItem.title }}
<el-menu-item v-for="(subItem,i) in item.subs" :key="i" :index="subItem.index">{{ subItem.title }}
</el-menu-item>
</el-submenu>
</template>