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/get.js

@@ -0,0 +1,12 @@
+import toPath from './_toPath.js';
+import deepGet from './_deepGet.js';
+import isUndefined from './isUndefined.js';
+
+// Get the value of the (deep) property on `path` from `object`.
+// If any property in `path` does not exist or if the value is
+// `undefined`, return `defaultValue` instead.
+// The `path` is normalized through `_.toPath`.
+export default function get(object, path, defaultValue) {
+  var value = deepGet(object, toPath(path));
+  return isUndefined(value) ? defaultValue : value;
+}