diff --git a/src/base/list/virtualgrouplist.js b/src/base/list/virtualgrouplist.js
index a4a811c73..34b11e800 100644
--- a/src/base/list/virtualgrouplist.js
+++ b/src/base/list/virtualgrouplist.js
@@ -27,7 +27,7 @@ BI.VirtualGroupList = BI.inherit(BI.Widget, {
 
     render: function () {
         var self = this, o = this.options;
-        
+
         return {
             type: "bi.vertical",
             items: [{
@@ -97,12 +97,13 @@ BI.VirtualGroupList = BI.inherit(BI.Widget, {
             this.container[self.renderedIndex === -1 ? "populate" : "addItems"](items.map(function (item, i) {
                 return o.itemFormatter(item, index + i);
             }), this);
-            var addedHeight = getElementHeight() - lastHeight;
+            var elementHeight = getElementHeight();
+            var addedHeight = elementHeight - lastHeight;
             this.tree.set(cnt, addedHeight);
             this.renderedIndex = cnt;
             cnt++;
             index += o.blockSize;
-            lastHeight = this.renderedIndex === -1 ? 0 : getElementHeight();
+            lastHeight = this.renderedIndex === -1 ? 0 : elementHeight;
         }
     },
 
diff --git a/src/core/5.inject.js b/src/core/5.inject.js
index 9e0ae8503..0554740f7 100644
--- a/src/core/5.inject.js
+++ b/src/core/5.inject.js
@@ -411,7 +411,7 @@
 
     // 根据配置属性生成widget
     var createWidget = function (config, context, lazy) {
-        var cls = kv[config.type];
+        var cls = BI.isFunction(config.type) ? config.type : kv[config.type];
 
         if (!cls) {
             throw new Error("组件： [" + config.type + "] 未定义");
@@ -449,9 +449,10 @@
         } else if (item.el && (item.el.type || options.type)) {
             el = BI.extend({}, options, item.el);
         }
-
+        
         if (el) {
-            runConfigFunction(el.type);
+            var elType = (el.type && el.type.xtype) || el.type;
+            runConfigFunction(elType);
         }
 
         // 先把准备环境准备好
@@ -466,13 +467,14 @@
             return item;
         }
         if (el) {
-            w = BI.Plugin.getWidget(el.type, el);
-            if (w.type === el.type) {
-                if (BI.Plugin.hasObject(el.type)) {
+            w = BI.Plugin.getWidget(elType, el);
+            var wType = (w.type && w.type.xtype) || w.type;
+            if (wType === elType) {
+                if (BI.Plugin.hasObject(elType)) {
                     w.listeners = (w.listeners || []).concat([{
                         eventName: BI.Events.MOUNT,
                         action: function () {
-                            BI.Plugin.getObject(el.type, this);
+                            BI.Plugin.getObject(elType, this);
                         }
                     }]);
                 }