add:export all custom components

src/components/index.js

+import AvatarList from '@/components/AvatarList/index'
+// chart
+import Bar from '@/components/chart/Bar'
+import ChartCard from '@/components/chart/ChartCard'
+import Liquid from '@/components/chart/Liquid'
+import MiniArea from '@/components/chart/MiniArea'
+import MiniBar from '@/components/chart/MiniBar'
+import MiniProgress from '@/components/chart/MiniProgress'
+import Radar from '@/components/chart/Radar'
+import RankList from '@/components/chart/RankList'
+import TransferBar from '@/components/chart/TransferBar'
+// ------我是分割线----------
+import CountDown from '@/components/CountDown/index'
+import Ellipsis from '@/components/Ellipsis/index'
+import FooterToolbar from '@/components/FooterToolbar/index'
+import NumberInfo from '@/components/NumberInfo/index'
+import Tree from '@/components/Tree/Tree'
+import Trend from '@/components/Trend/index'
+
+export {
+  AvatarList,
+  Bar,
+  ChartCard,
+  Liquid,
+  MiniArea,
+  MiniBar,
+  MiniProgress,
+  Radar,
+  RankList,
+  TransferBar,
+  Trend,
+  CountDown,
+  Ellipsis,
+  FooterToolbar,
+  NumberInfo,
+  Tree
+}
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