diff --git a/src/core/wrapper/layout.js b/src/core/wrapper/layout.js
index ca4777f42..b69c6a652 100644
--- a/src/core/wrapper/layout.js
+++ b/src/core/wrapper/layout.js
@@ -550,8 +550,15 @@ BI.Layout = BI.inherit(BI.Widget, {
         return updated;
     },
 
-    shouldUpdate: function () {
-        return true;
+    forceUpdate: function (opt) {
+        if (this._isMounted) {
+            BI.each(this._children, function (i, c) {
+                c.destroy();
+            });
+            this._children = {};
+        }
+        this.options.items = opt.items;
+        this.stroke(opt.items);
     },
 
     update: function (opt) {
@@ -560,28 +567,6 @@ BI.Layout = BI.inherit(BI.Widget, {
         var updated = this.updateChildren(o.items, items);
         this.options.items = items;
         return updated;
-        // var updated, i, len;
-        // for (i = 0, len = Math.min(o.items.length, items.length); i < len; i++) {
-        //     if (!this._compare(o.items[i], items[i])) {
-        //         updated = this.updateItemAt(i, items[i]) || updated;
-        //     }
-        // }
-        // if (o.items.length > items.length) {
-        //     var deleted = [];
-        //     for (i = items.length; i < o.items.length; i++) {
-        //         deleted.push(this._children[this._getChildName(i)]);
-        //         delete this._children[this._getChildName(i)];
-        //     }
-        //     o.items.splice(items.length);
-        //     BI.each(deleted, function (i, w) {
-        //         w._destroy();
-        //     })
-        // } else if (items.length > o.items.length) {
-        //     for (i = o.items.length; i < items.length; i++) {
-        //         this.addItemAt(i, items[i]);
-        //     }
-        // }
-        // return updated;
     },
 
     stroke: function (items) {
@@ -620,19 +605,11 @@ BI.Layout = BI.inherit(BI.Widget, {
     },
 
     populate: function (items) {
-        var self = this, o = this.options;
         items = items || [];
-        var shouldUpdate = this.shouldUpdate();
-        if (this._isMounted && shouldUpdate) {
+        if (this._isMounted) {
             this.update({items: items});
             return;
         }
-        if (this._isMounted && !shouldUpdate){
-            BI.each(this._children, function (i, c) {
-                c.destroy();
-            });
-            this._children = {};
-        }
         this.options.items = items;
         this.stroke(items);
     },
diff --git a/src/core/wrapper/layout/fill/float.fill.horizontal.js b/src/core/wrapper/layout/fill/float.fill.horizontal.js
index 648c5aace..e90c7b0cd 100644
--- a/src/core/wrapper/layout/fill/float.fill.horizontal.js
+++ b/src/core/wrapper/layout/fill/float.fill.horizontal.js
@@ -123,8 +123,8 @@ BI.FloatHorizontalFillLayout = BI.inherit(BI.Layout, {
         });
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     populate: function (items) {
diff --git a/src/core/wrapper/layout/layout.border.js b/src/core/wrapper/layout/layout.border.js
index fb6f6ca94..212c545d4 100644
--- a/src/core/wrapper/layout/layout.border.js
+++ b/src/core/wrapper/layout/layout.border.js
@@ -126,8 +126,8 @@ BI.BorderLayout = BI.inherit(BI.Layout, {
         }
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     populate: function (items) {
diff --git a/src/core/wrapper/layout/layout.card.js b/src/core/wrapper/layout/layout.card.js
index ac59fa873..962bfc2a7 100644
--- a/src/core/wrapper/layout/layout.card.js
+++ b/src/core/wrapper/layout/layout.card.js
@@ -48,8 +48,8 @@ BI.CardLayout = BI.inherit(BI.Layout, {
         });
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     empty: function () {
diff --git a/src/core/wrapper/layout/layout.division.js b/src/core/wrapper/layout/layout.division.js
index 2c5b8e1d1..54fe3dbcc 100644
--- a/src/core/wrapper/layout/layout.division.js
+++ b/src/core/wrapper/layout/layout.division.js
@@ -11,29 +11,6 @@ BI.DivisionLayout = BI.inherit(BI.Layout, {
             columns: null,
             rows: null,
             items: []
-            //    [
-            //    {
-            //        column: 0,
-            //        row: 0,
-            //        width: 0.25,
-            //        height: 0.33,
-            //        el: {type: 'bi.button', text: 'button1'}
-            //    },
-            //    {
-            //        column: 1,
-            //        row: 1,
-            //        width: 0.25,
-            //        height: 0.33,
-            //        el: {type: 'bi.button', text: 'button2'}
-            //    },
-            //    {
-            //        column: 3,
-            //        row: 2,
-            //        width: 0.25,
-            //        height: 0.33,
-            //        el: {type: 'bi.button', text: 'button3'}
-            //    }
-            // ]
         });
     },
     render: function () {
@@ -147,8 +124,8 @@ BI.DivisionLayout = BI.inherit(BI.Layout, {
         }
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     populate: function (items) {
diff --git a/src/core/wrapper/layout/layout.grid.js b/src/core/wrapper/layout/layout.grid.js
index 665993694..9b95f03e5 100644
--- a/src/core/wrapper/layout/layout.grid.js
+++ b/src/core/wrapper/layout/layout.grid.js
@@ -11,23 +11,6 @@ BI.GridLayout = BI.inherit(BI.Layout, {
             columns: null,
             rows: null,
             items: []
-            /* [
-             {
-             column: 0,
-             row: 0,
-             el: {type: 'bi.button', text: 'button1'}
-             },
-             {
-             column: 1,
-             row: 1,
-             el: {type: 'bi.button', text: 'button2'}
-             },
-             {
-             column: 3,
-             row: 2,
-             el: {type: 'bi.button', text: 'button3'}
-             }
-             ]*/
         });
     },
     render: function () {
@@ -40,7 +23,6 @@ BI.GridLayout = BI.inherit(BI.Layout, {
     },
 
     addItem: function () {
-        // do nothing
         throw new Error("不能添加子组件");
     },
 
@@ -119,8 +101,8 @@ BI.GridLayout = BI.inherit(BI.Layout, {
         }
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     populate: function (items) {
diff --git a/src/core/wrapper/layout/layout.inline.js b/src/core/wrapper/layout/layout.inline.js
index 322d7252d..9759c8751 100644
--- a/src/core/wrapper/layout/layout.inline.js
+++ b/src/core/wrapper/layout/layout.inline.js
@@ -52,19 +52,28 @@ BI.InlineLayout = BI.inherit(BI.Layout, {
         });
         w.element.addClass("i-item");
         if (columnSize === "fill" || columnSize === "") {
-            var left = o.hgap + o.lgap + (item.lgap || 0) + (item.hgap || 0),
-                right = o.hgap + o.rgap + (item.rgap || 0) + (item.hgap || 0);
-            for (var k = 0; k < i; k++) {
-                left += o.hgap + o.lgap + o.rgap + (o.items[k].lgap || 0) + (o.items[k].rgap || 0) + (o.items[k].hgap || 0) + (o.columnSize[k] || o.items[k].width);
-            }
-            for (var k = i + 1, len = o.columnSize.length || o.items.length; k < len; k++) {
-                right += o.hgap + o.lgap + o.rgap + (o.items[k].lgap || 0) + (o.items[k].rgap || 0) + (o.items[k].hgap || 0) + (o.columnSize[k] || o.items[k].width);
+            var length = o.hgap;
+            var fillCount = 0, autoCount = 0;
+            for (var k = 0, len = o.columnSize.length || o.items.length; k < len; k++) {
+                var cz = o.columnSize.length > 0 ? o.columnSize[k] : o.items[k].width;
+                if (cz === "fill") {
+                    fillCount++;
+                    cz = 0;
+                } else if (cz === "" || BI.isNull(cz)) {
+                    autoCount++;
+                    cz = 0;
+                }
+                length += o.hgap + o.lgap + o.rgap + (o.items[k].lgap || 0) + (o.items[k].rgap || 0) + (o.items[k].hgap || 0) + cz;
             }
             if (columnSize === "fill") {
-                w.element.css("min-width", "calc(100% - " + ((left + right) / BI.pixRatio + BI.pixUnit) + ")");
+                w.element.css("min-width", "calc((100% - " + (length / BI.pixRatio + BI.pixUnit) + ")" + (fillCount > 1 ? "/" + fillCount : "") + ")");
             }
             if (o.horizontalAlign === BI.HorizontalAlign.Stretch || !(o.scrollable === true || o.scrollx === true)) {
-                w.element.css("max-width", "calc(100% - " + ((left + right) / BI.pixRatio + BI.pixUnit) + ")");
+                if (columnSize === "fill") {
+                    w.element.css("max-width", "calc((100% - " + (length / BI.pixRatio + BI.pixUnit) + ")" + (fillCount > 1 ? "/" + fillCount : "") + ")");
+                } else {
+                    w.element.css("max-width", "calc((100% - " + (length / BI.pixRatio + BI.pixUnit) + ")" + (autoCount > 1 ? "/" + autoCount : "") + ")");
+                }
             }
         }
         this._handleGap(w, item, i);
diff --git a/src/core/wrapper/layout/layout.table.js b/src/core/wrapper/layout/layout.table.js
index ef2e25bfe..82ffd3973 100644
--- a/src/core/wrapper/layout/layout.table.js
+++ b/src/core/wrapper/layout/layout.table.js
@@ -121,8 +121,8 @@ BI.TableLayout = BI.inherit(BI.Layout, {
         // console.log("table布局不需要resize");
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     populate: function (items) {
diff --git a/src/core/wrapper/layout/layout.tape.js b/src/core/wrapper/layout/layout.tape.js
index 3889f65d3..996017abd 100644
--- a/src/core/wrapper/layout/layout.tape.js
+++ b/src/core/wrapper/layout/layout.tape.js
@@ -119,8 +119,8 @@ BI.HTapeLayout = BI.inherit(BI.Layout, {
         });
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     populate: function (items) {
@@ -251,8 +251,8 @@ BI.VTapeLayout = BI.inherit(BI.Layout, {
         });
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     populate: function (items) {
diff --git a/src/core/wrapper/layout/layout.td.js b/src/core/wrapper/layout/layout.td.js
index 0ba970792..c7c99d712 100644
--- a/src/core/wrapper/layout/layout.td.js
+++ b/src/core/wrapper/layout/layout.td.js
@@ -172,8 +172,8 @@ BI.TdLayout = BI.inherit(BI.Layout, {
         this.element.append(this.$table);
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     populate: function (items) {
diff --git a/src/core/wrapper/layout/layout.window.js b/src/core/wrapper/layout/layout.window.js
index f09b6b0b1..ca6df6362 100644
--- a/src/core/wrapper/layout/layout.window.js
+++ b/src/core/wrapper/layout/layout.window.js
@@ -167,8 +167,8 @@ BI.WindowLayout = BI.inherit(BI.Layout, {
         }
     },
 
-    shouldUpdate: function () {
-        return false;
+    update: function (opt) {
+        return this.forceUpdate(opt);
     },
 
     populate: function (items) {
diff --git a/src/core/wrapper/layout/middle/middle.center.js b/src/core/wrapper/layout/middle/middle.center.js
index 73af27053..d445f6a6e 100644
--- a/src/core/wrapper/layout/middle/middle.center.js
+++ b/src/core/wrapper/layout/middle/middle.center.js
@@ -48,7 +48,7 @@ BI.CenterLayout = BI.inherit(BI.Layout, {
         return {
             type: "bi.grid",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             columns: list.length,
             rows: 1,
@@ -66,11 +66,11 @@ BI.CenterLayout = BI.inherit(BI.Layout, {
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate.apply(this.wrapper, arguments);
+        this.layout.populate.apply(this.layout, arguments);
     }
 });
 BI.shortcut("bi.center", BI.CenterLayout);
diff --git a/src/core/wrapper/layout/middle/middle.float.center.js b/src/core/wrapper/layout/middle/middle.float.center.js
index f5b2de702..6754528f7 100644
--- a/src/core/wrapper/layout/middle/middle.float.center.js
+++ b/src/core/wrapper/layout/middle/middle.float.center.js
@@ -49,7 +49,7 @@ BI.FloatCenterLayout = BI.inherit(BI.Layout, {
         return {
             type: "bi.left",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             items: list
         };
@@ -65,11 +65,11 @@ BI.FloatCenterLayout = BI.inherit(BI.Layout, {
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate.apply(this.wrapper, arguments);
+        this.layout.populate.apply(this.layout, arguments);
     }
 });
 BI.shortcut("bi.float_center", BI.FloatCenterLayout);
diff --git a/src/core/wrapper/layout/middle/middle.horizontal.js b/src/core/wrapper/layout/middle/middle.horizontal.js
index bf802e315..2876d3542 100644
--- a/src/core/wrapper/layout/middle/middle.horizontal.js
+++ b/src/core/wrapper/layout/middle/middle.horizontal.js
@@ -46,7 +46,7 @@ BI.HorizontalCenterLayout = BI.inherit(BI.Layout, {
         return {
             type: "bi.grid",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             columns: list.length,
             rows: 1,
@@ -64,11 +64,11 @@ BI.HorizontalCenterLayout = BI.inherit(BI.Layout, {
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate.apply(this.wrapper, arguments);
+        this.layout.populate.apply(this.layout, arguments);
     }
 });
 BI.shortcut("bi.horizontal_center", BI.HorizontalCenterLayout);
diff --git a/src/core/wrapper/layout/middle/middle.vertical.js b/src/core/wrapper/layout/middle/middle.vertical.js
index df4ca51ff..c8c6b6d36 100644
--- a/src/core/wrapper/layout/middle/middle.vertical.js
+++ b/src/core/wrapper/layout/middle/middle.vertical.js
@@ -47,7 +47,7 @@ BI.VerticalCenterLayout = BI.inherit(BI.Layout, {
         return {
             type: "bi.grid",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             columns: 1,
             rows: list.length,
@@ -65,11 +65,11 @@ BI.VerticalCenterLayout = BI.inherit(BI.Layout, {
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate.apply(this.wrapper, arguments);
+        this.layout.populate.apply(this.layout, arguments);
     }
 });
 BI.shortcut("bi.vertical_center", BI.VerticalCenterLayout);