diff --git a/src/DevTools/HomeBtn.es6 b/src/DevTools/HomeBtn.es6
deleted file mode 100644
index 3f2d36f..0000000
--- a/src/DevTools/HomeBtn.es6
+++ /dev/null
@@ -1,48 +0,0 @@
-import util from '../lib/util'
-import Draggabilly from 'draggabilly'
-
-require('./HomeBtn.scss');
-
-export default class HomeBtn extends util.Emitter
-{
-    constructor($parent)
-    {
-        super();
-        this._$parent = $parent;
-
-        this._appendTpl();
-        this._makeDraggable();
-        this._setPos();
-        this._bindEvent();
-    }
-    _appendTpl()
-    {
-        var $parent = this._$parent;
-
-        $parent.append(require('./HomeBtn.hbs')());
-
-        this._$el = $parent.find('.eruda-home-btn');
-    }
-    _setPos()
-    {
-        var wh = window.innerHeight,
-            ww = window.innerWidth;
-
-        this._$el.css({
-            left: ww - 50,
-            top: wh - 50
-        });
-    }
-    _bindEvent()
-    {
-        this._draggabilly.on('staticClick', () => this.emit('click'));
-
-        util.orientation.on('change', () => this._setPos());
-    }
-    _makeDraggable()
-    {
-        this._draggabilly = new Draggabilly(this._$el.get(0), {
-            containment: true
-        });
-    }
-};
\ No newline at end of file
diff --git a/src/DevTools/HomeBtn.scss b/src/DevTools/HomeBtn.scss
deleted file mode 100644
index 0daf5e5..0000000
--- a/src/DevTools/HomeBtn.scss
+++ /dev/null
@@ -1,21 +0,0 @@
-.home-btn {
-    width: 40px;
-    height: 40px;
-    background: #000;
-    opacity: 0.3;
-    border-radius: 10px;
-    position: relative;
-    z-index: 1000;
-    transition: opacity .3s;
-    color: #fff;
-    font-size: 25px;
-    text-align: center;
-    line-height: 40px;
-    span {
-        position: relative;
-        top: 2px;
-    }
-    &:hover {
-        opacity: 0.8;
-    }
-}
diff --git a/src/DevTools/HomeBtn.hbs b/src/homeBtn/HomeBtn.hbs
similarity index 100%
rename from src/DevTools/HomeBtn.hbs
rename to src/homeBtn/HomeBtn.hbs
diff --git a/src/index.es6 b/src/index.es6
index 6e4aeb5..f803cae 100644
--- a/src/index.es6
+++ b/src/index.es6
@@ -1,4 +1,4 @@
-import HomeBtn from './DevTools/HomeBtn.es6'
+import HomeBtn from './HomeBtn/HomeBtn.es6'
 import DevTools from './DevTools/DevTools.es6'
 import Console from './Console/Console.es6'
 import Network from './Network/Network.es6'
@@ -45,6 +45,8 @@ devTools.add(consoleTool)
 settings.separator()
         .add(devTools.config, 'activeEruda', 'Always Activated')
         .separator()
+        .add(homeBtn.config, 'rememberPos', 'Remember Home Button Position')
+        .separator()
         .add(devTools.config, 'transparent', 'Transparent')
         .add(devTools.config, 'halfScreen', 'Half Screen Size');
 
diff --git a/src/lib/util.js b/src/lib/util.js
index 28646a1..7093278 100644
--- a/src/lib/util.js
+++ b/src/lib/util.js
@@ -2280,6 +2280,40 @@ module.exports = (function ()
         return exports;
     })({});
 
+    /* ------------------------------ toNum ------------------------------ */
+
+    var toNum = _.toNum = (function (exports)
+    {
+        /* Convert value to a number.
+         *
+         * |Name  |Type  |Desc            |
+         * |------------------------------|
+         * |val   |*     |Value to process|
+         * |return|number|Resulted number |
+         *
+         * ```javascript
+         * toNum('5'); // -> 5
+         * ```
+         */
+
+        exports = function (val)
+        {
+            if (isNum(val)) return val;
+
+            if (isObj(val))
+            {
+                var temp = isFn(val.valueOf) ? val.valueOf() : val;
+                val = isObj(temp) ? (temp + '') : temp;
+            }
+
+            if (!isStr(val)) return val === 0 ? val : +val;
+
+            return +val;
+        };
+
+        return exports;
+    })({});
+
     /* ------------------------------ trim ------------------------------ */
 
     var trim = _.trim = (function (exports)