commit

+const _ = require('lodash');
+const fp = require('lodash/fp');
+
+const splits = ['**', '$$', '::'];
+const flow = fp.map(fp.fromPairs);
+
+const resolveStr = (str, level = 0) => {
+    let sp = [];
+    const tp = _.split(str, splits[level]);
+    _.each(tp, child => {
+        if (child.indexOf(splits[level + 1]) >= 0) {
+            sp.push(resolveStr(child, level + 1));
+        }
+    })
+    return sp.length ? sp : tp;
+}
+
+const parse = (str) => {
+    return fp.pipe(resolveStr, flow)(str)
+}
+
+module.exports = {
+    parse
+};

-module.exports = (req, res, next) => {
+const queryParse = require('../lib/query-parse');
 
+module.exports = (req, res, next) => {
+    if (!req.query.l) {
+        return res.send();
+    }
+    const report = queryParse.parse(req.query.l);
+    res.json(report)
 };

 {
   "dependencies": {
     "express": "^4.15.4",
+    "lodash": "^4.17.4",
     "yoho-node-lib": "^0.4.2"
   },
   "name": "yoho-apm",