diff --git a/package.json b/package.json
index 11bb9bb..190382f 100644
--- a/package.json
+++ b/package.json
@@ -25,17 +25,17 @@
       "env"
     ]
   },
-  "sideEffects": false,
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "display": "webpack-dev-server -d",
-    "train": "./node_modules/.bin/babel-node  --max-old-space-size=16192 scripts/train | tee outputs/train_$(date +\"%Y-%m-%d_%H-%M-%S\").log"
+    "train": "./node_modules/.bin/babel-node  --max-old-space-size=16192 scripts/train | tee outputs/train_$(date +\"%Y-%m-%d_%H-%M-%S\").log",
+    "build": "NODE_ENV=production webpack"
   },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/wassname/rl_2d_walker.js.git"
   },
-  "author": "",
+  "author": "wassname",
   "license": "ISC",
   "bugs": {
     "url": "https://github.com/wassname/rl_2d_walker.js/issues"
diff --git a/src/index.js b/src/index.js
index 091459f..3eed86c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -3,5 +3,4 @@ window.b2 = require('./vendor/jsbox2d')
 window.config = require('./js/config')
 window.chooseQoute = chooseQoute
 window.Game = Game
-
 export {Game}
diff --git a/src/js/config.js b/src/js/config.js
index 02858a8..bea372a 100644
--- a/src/js/config.js
+++ b/src/js/config.js
@@ -1,7 +1,7 @@
 let config = {
   time_step: 60,
   simulation_fps: 60,
-  draw_fps: 0,
+  draw_fps: 30,
   velocity_iterations: 8,
   position_iterations: 3,
   max_zoom_factor: 130,