diff --git a/bi/base.css b/bi/base.css
index a97667728..542cd75be 100644
--- a/bi/base.css
+++ b/bi/base.css
@@ -1035,7 +1035,7 @@ li.CodeMirror-hint-active {
   overflow-x: hidden;
   overflow-y: hidden;
   white-space: nowrap;
-  word-break: break-all;
+  word-break: break-word;
 }
 /****添加计算宽度的--运算符直接需要space****/
 /****** common color(常用颜色,可用于普遍场景) *****/
diff --git a/bi/core.js b/bi/core.js
index e065a7a4b..dad5b489d 100644
--- a/bi/core.js
+++ b/bi/core.js
@@ -2036,7 +2036,7 @@ if (!window.BI) {
         },
 
         formatEL: function (obj) {
-            if (obj && obj.el) {
+            if (obj && !obj.type && obj.el) {
                 return obj;
             }
             return {
@@ -2995,9 +2995,8 @@ if (!window.BI) {
 
 
                 option.data = BI.cjkEncodeDO(option.data);
-                    
-                    
-                
+
+
                 $.ajax({
                     url: option.url,
                     type: "POST",
@@ -4458,7 +4457,8 @@ BI.Widget = BI.inherit(BI.OB, {
 
     mounted: null,
 
-    update: null,
+    update: function () {
+    },
 
     destroyed: null,
 
@@ -4682,7 +4682,7 @@ BI.Widget = BI.inherit(BI.OB, {
         }
         widget._setParent && widget._setParent(this);
         widget.on(BI.Events.DESTROY, function () {
-            delete self._children[name]
+            BI.remove(self._children, this);
         });
         return (this._children[name] = widget);
     },
@@ -11445,9 +11445,9 @@ BI.Layout = BI.inherit(BI.Widget, {
         }
 
         var child = this._children[this._getChildName(index)];
-        if (child.update) {
-            child.update(this._getOptions(item));
-            return true;
+        var updated;
+        if (updated = child.update(this._getOptions(item))) {
+            return updated;
         }
         var del = this._children[this._getChildName(index)];
         delete this._children[this._getChildName(index)];
diff --git a/demo/js/core/abstract/demo.virtual_group.js b/demo/js/core/abstract/demo.virtual_group.js
index c933aa7b6..eb7507138 100644
--- a/demo/js/core/abstract/demo.virtual_group.js
+++ b/demo/js/core/abstract/demo.virtual_group.js
@@ -66,6 +66,7 @@ Demo.Item = BI.inherit(BI.Widget, {
     update: function (item) {
         this.label.setText(item.value);
         console.log("更新了一项");
+        return true;
     },
 
     created: function () {
diff --git a/dist/base.css b/dist/base.css
index a97667728..542cd75be 100644
--- a/dist/base.css
+++ b/dist/base.css
@@ -1035,7 +1035,7 @@ li.CodeMirror-hint-active {
   overflow-x: hidden;
   overflow-y: hidden;
   white-space: nowrap;
-  word-break: break-all;
+  word-break: break-word;
 }
 /****添加计算宽度的--运算符直接需要space****/
 /****** common color(常用颜色,可用于普遍场景) *****/
diff --git a/dist/core.js b/dist/core.js
index efa58d6bb..b3875a09c 100644
--- a/dist/core.js
+++ b/dist/core.js
@@ -13052,7 +13052,7 @@ if (!window.BI) {
         },
 
         formatEL: function (obj) {
-            if (obj && obj.el) {
+            if (obj && !obj.type && obj.el) {
                 return obj;
             }
             return {
@@ -14011,9 +14011,8 @@ if (!window.BI) {
 
 
                 option.data = BI.cjkEncodeDO(option.data);
-                    
-                    
-                
+
+
                 $.ajax({
                     url: option.url,
                     type: "POST",
@@ -14370,7 +14369,8 @@ BI.Widget = BI.inherit(BI.OB, {
 
     mounted: null,
 
-    update: null,
+    update: function () {
+    },
 
     destroyed: null,
 
@@ -14594,7 +14594,7 @@ BI.Widget = BI.inherit(BI.OB, {
         }
         widget._setParent && widget._setParent(this);
         widget.on(BI.Events.DESTROY, function () {
-            delete self._children[name]
+            BI.remove(self._children, this);
         });
         return (this._children[name] = widget);
     },
@@ -19578,9 +19578,9 @@ BI.Layout = BI.inherit(BI.Widget, {
         }
 
         var child = this._children[this._getChildName(index)];
-        if (child.update) {
-            child.update(this._getOptions(item));
-            return true;
+        var updated;
+        if (updated = child.update(this._getOptions(item))) {
+            return updated;
         }
         var del = this._children[this._getChildName(index)];
         delete this._children[this._getChildName(index)];
diff --git a/src/core/base.js b/src/core/base.js
index ddfe30fa9..e91ddc164 100644
--- a/src/core/base.js
+++ b/src/core/base.js
@@ -141,7 +141,7 @@ if (!window.BI) {
         },
 
         formatEL: function (obj) {
-            if (obj && obj.el) {
+            if (obj && !obj.type && obj.el) {
                 return obj;
             }
             return {
@@ -1100,9 +1100,8 @@ if (!window.BI) {
 
 
                 option.data = BI.cjkEncodeDO(option.data);
-                    
-                    
-                
+
+
                 $.ajax({
                     url: option.url,
                     type: "POST",
diff --git a/src/core/widget.js b/src/core/widget.js
index 2f4f3d390..dcc30ec9d 100644
--- a/src/core/widget.js
+++ b/src/core/widget.js
@@ -34,7 +34,8 @@ BI.Widget = BI.inherit(BI.OB, {
 
     mounted: null,
 
-    update: null,
+    update: function () {
+    },
 
     destroyed: null,
 
@@ -258,7 +259,7 @@ BI.Widget = BI.inherit(BI.OB, {
         }
         widget._setParent && widget._setParent(this);
         widget.on(BI.Events.DESTROY, function () {
-            delete self._children[name]
+            BI.remove(self._children, this);
         });
         return (this._children[name] = widget);
     },
diff --git a/src/core/wrapper/layout.js b/src/core/wrapper/layout.js
index f4b0dbd48..5a4a6931f 100644
--- a/src/core/wrapper/layout.js
+++ b/src/core/wrapper/layout.js
@@ -246,9 +246,9 @@ BI.Layout = BI.inherit(BI.Widget, {
         }
 
         var child = this._children[this._getChildName(index)];
-        if (child.update) {
-            child.update(this._getOptions(item));
-            return true;
+        var updated;
+        if (updated = child.update(this._getOptions(item))) {
+            return updated;
         }
         var del = this._children[this._getChildName(index)];
         delete this._children[this._getChildName(index)];