clean up development config

server/controllers/energy_controller.js

@@ -1,13 +1,18 @@
 import DB from './../config/database.js';
 
+const NAME = 'EnergyController';
+
 class EnergyController{
 
   static index(req, res){
     DB.House.findOne({where: {name: req.housename}}).then((house)=>{
-      house.getEnergyDataByTime(req.params.start_time, req.params.end_time).then((energy_data){
+      house.getEnergyDataByTime(req.params.start_time, req.params.end_time).then((energy_data)=>{
         req.json(energy_data);
       });
     });
   }
 
 }
+
+EnergyController.NAME = NAME;
+module.exports = EnergyController;