diff --git a/src/core/4.widget.js b/src/core/4.widget.js
index 933324548..be5f23f81 100644
--- a/src/core/4.widget.js
+++ b/src/core/4.widget.js
@@ -270,10 +270,10 @@
                 BI.patchVNode(div, this.vnode);
                 // 去除这个临时的div
                 BI.DOM.hang([div]);
-                element.attr("style", self.vnode.elm.getAttribute("style"));
-                element.addClass(self.vnode.elm.getAttribute("class"));
+                element.attr("style", this.vnode.elm.getAttribute("style"));
+                element.addClass(this.vnode.elm.getAttribute("class"));
                 element.empty();
-                BI.each(BI.jQuery(self.vnode.elm).children(), function (i, node) {
+                BI.each(BI.jQuery(this.vnode.elm).children(), function (i, node) {
                     element.append(node);
                 });
                 return true;
diff --git a/src/core/wrapper/layout/adapt/adapt.leftrightvertical.js b/src/core/wrapper/layout/adapt/adapt.leftrightvertical.js
index 166728ab3..7591c71cd 100644
--- a/src/core/wrapper/layout/adapt/adapt.leftrightvertical.js
+++ b/src/core/wrapper/layout/adapt/adapt.leftrightvertical.js
@@ -77,7 +77,6 @@ BI.LeftRightVerticalAdaptLayout = BI.inherit(BI.Layout, {
     },
 
     _getLeftRight: function (items) {
-        var o = this.options;
         var left, right;
         if (BI.isArray(items)) {
             BI.each(items, function (i, item) {
diff --git a/src/core/element2Snabbdom.js b/src/snabbdom/element2Snabbdom.js
similarity index 96%
rename from src/core/element2Snabbdom.js
rename to src/snabbdom/element2Snabbdom.js
index f4efcaaa0..1a99bdc53 100644
--- a/src/core/element2Snabbdom.js
+++ b/src/snabbdom/element2Snabbdom.js
@@ -18,7 +18,7 @@
         var elmAttrs = parentNode.attributes;
         var elmChildren = parentNode.childNodes;
         var key = parentNode.getAttribute("key");
-        for (i = 0, n = elmAttrs.length; i < n; i++) {
+        for (var i = 0, n = elmAttrs.length; i < n; i++) {
             var name = elmAttrs[i].nodeName;
             if (name !== "id" && name !== "class") {
                 attrs[name] = elmAttrs[i].nodeValue;
diff --git a/src/core/8.snabdom.js b/src/snabbdom/snabbdom.js
similarity index 100%
rename from src/core/8.snabdom.js
rename to src/snabbdom/snabbdom.js