修改dropdown的箭头为el-link

src/components/SampleMenu.vue

@@ -6,8 +6,8 @@
 					{{item.label || ''}}
 				</el-badge>
 			</el-link>
-			<el-dropdown v-if="item.sub" trigger="click" placement="top" size="mini" @command="onSubCommand">
-				<i class="el-icon-arrow-down el-icon--right"></i>
+			<el-dropdown v-if="item.sub" trigger="hover" placement="top" size="mini" @command="onSubCommand">
+				<el-link icon="el-icon-arrow-down" :underline="false"></el-link>
 				<el-dropdown-menu slot="dropdown">
 					<el-dropdown-item v-for="(subItem, key) in item.sub" :command="key" :key="key">{{subItem}}</el-dropdown-item>
 				</el-dropdown-menu>

src/views/Editor/Views.vue

@@ -5,7 +5,7 @@
 				<el-link class="menu-item" @click="toAddView">{{$t('Add')}}</el-link>
 				<el-link @click="toImport(0)">{{$t('Import')}}</el-link>
 				<el-dropdown trigger="hover" placement="top" size="mini" @command="onImportCommand">
-					<i class="el-icon-arrow-down el-icon--right"></i>
+					<el-link icon="el-icon-arrow-down" :underline="false"></el-link>
 					<el-dropdown-menu slot="dropdown">
 						<el-dropdown-item command="single">{{$t('Single view')}}</el-dropdown-item>
 						<el-dropdown-item command="multi">{{$t('Multi views')}}</el-dropdown-item>