更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/underscore/modules/lastIndexOf.js

@@ -0,0 +1,6 @@
+import findLastIndex from './findLastIndex.js';
+import createIndexFinder from './_createIndexFinder.js';
+
+// Return the position of the last occurrence of an item in an array,
+// or -1 if the item is not included in the array.
+export default createIndexFinder(-1, findLastIndex);