decodeURIComponent in try

modules/qmining/qmining.js

@@ -297,7 +297,13 @@ app.get('/ask', function (req, res) {
   } else {
     if (req.query.q && req.query.data) {
       let subj = req.query.subj || ''
-      let question = decodeURIComponent(req.query.q)
+      let question
+      try {
+        question = decodeURIComponent(req.query.q)
+      } catch (e) {
+        console.error(req.query)
+        throw e
+      }
       let recData = {}
       try {
         recData = JSON.parse(req.query.data)