frontend rename common/fun to util

frontend/src/common/ui/Charts/chart.san

@@ -18,7 +18,7 @@
 import Button from 'san-mui/Button';
 import Icon from 'san-mui/Icon';
 import DropDownMenu from '../../../common/ui/DropDownMenu';
-import {generateJsonAndDownload} from '../../../common/fun/downLoadFile';
+import {generateJsonAndDownload} from '../../../common/util/downLoadFile';
 import echarts from 'echarts';
 import axios from 'axios';
 import {getPluginScalarsScalars} from '../../../service';