update upload

server.js

@@ -102,7 +102,7 @@ app.post('/upload', function(req, res, next) {
             return res.status(500).json(err)
         }
         else {
-            var FileName = req.files[0].filename;
+            var FileName = req.file.filename;
             callInitFileMover(req, res);
             res.status(200).send(FileName);
         }