diff --git a/bi/base.js b/bi/base.js
index 34f5c5729a..23c9a67c66 100644
--- a/bi/base.js
+++ b/bi/base.js
@@ -15079,9 +15079,9 @@ BI.FloatBox = BI.inherit(BI.Widget, {
                         type: "bi.absolute",
                         items: [{
                             el: this._center,
-                            left: 20,
+                            left: 10,
                             top: 10,
-                            right: 20,
+                            right: 10,
                             bottom: 10
                         }]
                     }
diff --git a/bi/core.js b/bi/core.js
index 9c696303d4..ece344eed1 100644
--- a/bi/core.js
+++ b/bi/core.js
@@ -3184,7 +3184,7 @@ if (!window.BI) {
             if (numReg) {
                 var num = numReg[0];
                 var orilen = num.length;
-                var newnum = BI.parseInt(num) + 1 + '';
+                var newnum = parseInt(num) + 1 + '';
                 //进位到整数部分
                 if (newnum.length > orilen) {
                     newnum = newnum.substr(1);
@@ -3728,6 +3728,12 @@ _.extend(BI, {
          */
         DESTROY: '_DESTROY',
 
+        /**
+         * @static
+         * @property 取消挂载事件
+         */
+        UNMOUNT: '_UNMOUNT',
+
         /**
          * @static
          * @property 清除选择
@@ -4360,6 +4366,8 @@ BI.Widget = BI.inherit(BI.OB, {
     update: function () {
     },
 
+    beforeDestroyed: null,
+
     destroyed: null,
 
     _init: function () {
@@ -4719,18 +4727,20 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     __d: function () {
+        this.beforeDestroyed && this.beforeDestroyed();
         BI.each(this._children, function (i, widget) {
             widget._unMount && widget._unMount();
         });
         this._children = {};
         this._parent = null;
         this._isMounted = false;
+        this.destroyed && this.destroyed();
     },
 
     _unMount: function () {
         this.__d();
+        this.fireEvent(BI.Events.UNMOUNT);
         this.purgeListeners();
-        this.destroyed && this.destroyed();
     },
 
     isolate: function () {
@@ -4750,14 +4760,12 @@ BI.Widget = BI.inherit(BI.OB, {
 
     _destroy: function () {
         this.__d();
-        this.destroyed && this.destroyed();
         this.element.destroy();
         this.purgeListeners();
     },
 
     destroy: function () {
         this.__d();
-        this.destroyed && this.destroyed();
         this.element.destroy();
         this.fireEvent(BI.Events.DESTROY);
         this.purgeListeners();
@@ -5253,6 +5261,8 @@ BI.View = BI.inherit(BI.V, {
 
     created: null,
 
+    beforeDestroyed: null,
+
     destroyed: null,
 
     _init: function () {
@@ -5742,18 +5752,22 @@ BI.View = BI.inherit(BI.V, {
     },
 
     _unMount: function () {
+        this.beforeDestroyed && this.beforeDestroyed();
         BI.each(this._cardLayouts, function (name, card) {
             card && card._unMount();
         });
         delete this._cardLayouts;
         delete this._cards;
         this.destroyed && this.destroyed();
+        this.trigger(BI.Events.UNMOUNT);
         this.off();
     },
 
     _destroy: function () {
+        var self = this;
         BI.each(this._cardLayouts, function (name, card) {
             card && card._unMount();
+            BI.Layers.remove(name + self.cid);
         });
         delete this._cardLayouts;
         delete this._cards;
@@ -15959,7 +15973,10 @@ BI.FloatBoxRouter = BI.inherit(BI.WRouter, {
             var view = this.createView(url, data, viewData, context);
             isValid && context.model.addChild(modelData, view.model);
             view.listenTo(view.model, "destroy", function () {
-                self.remove(url);
+                self.remove(url, context);
+            });
+            context.on(BI.Events.UNMOUNT, function () {
+                self.remove(url, context);
             });
             this.store[url].populate(view);
             this.views[url] = view;
@@ -15998,7 +16015,7 @@ BI.FloatBoxRouter = BI.inherit(BI.WRouter, {
 
     remove: function (url, context) {
         url = context.rootURL + "/" + url;
-        if(this.controller){
+        if (this.controller) {
             this.controller.remove(url);
             delete this.store[url];
             this.views[url] && this.views[url].model.destroy();
diff --git a/bi/widget.js b/bi/widget.js
index aab2005f3e..05cbb17a13 100644
--- a/bi/widget.js
+++ b/bi/widget.js
@@ -103,12 +103,13 @@ BI.SequenceTableTreeNumber = BI.inherit(BI.Widget, {
     _getStart: function (nodes) {
         var self = this;
         var start = this.start;
-        BI.each(nodes, function (i, node) {
+        BI.some(nodes, function (i, node) {
             if (BI.isNotEmptyArray(node.children)) {
-                BI.each(node.children, function (index, child) {
+                return BI.some(node.children, function (index, child) {
                     if (index === 0) {
                         if (self.cache[child.text || child.value]) {
                             start = self.cache[child.text || child.value];
+                            return true;
                         }
                     }
                 });
@@ -12681,8 +12682,7 @@ BI.NumericalInterval = BI.inherit(BI.Single, {
         })
     },
 
-
-    isValid: function () {
+    isStateValid: function () {
         return this.options.validation === "valid";
     },
 
diff --git a/docs/base.js b/docs/base.js
index 34f5c5729a..23c9a67c66 100644
--- a/docs/base.js
+++ b/docs/base.js
@@ -15079,9 +15079,9 @@ BI.FloatBox = BI.inherit(BI.Widget, {
                         type: "bi.absolute",
                         items: [{
                             el: this._center,
-                            left: 20,
+                            left: 10,
                             top: 10,
-                            right: 20,
+                            right: 10,
                             bottom: 10
                         }]
                     }
diff --git a/docs/core.js b/docs/core.js
index 0136a2c07a..be104363dd 100644
--- a/docs/core.js
+++ b/docs/core.js
@@ -14362,6 +14362,8 @@ BI.Widget = BI.inherit(BI.OB, {
     update: function () {
     },
 
+    beforeDestroyed: null,
+
     destroyed: null,
 
     _init: function () {
@@ -14721,18 +14723,20 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     __d: function () {
+        this.beforeDestroyed && this.beforeDestroyed();
         BI.each(this._children, function (i, widget) {
             widget._unMount && widget._unMount();
         });
         this._children = {};
         this._parent = null;
         this._isMounted = false;
+        this.destroyed && this.destroyed();
     },
 
     _unMount: function () {
         this.__d();
+        this.fireEvent(BI.Events.UNMOUNT);
         this.purgeListeners();
-        this.destroyed && this.destroyed();
     },
 
     isolate: function () {
@@ -14752,14 +14756,12 @@ BI.Widget = BI.inherit(BI.OB, {
 
     _destroy: function () {
         this.__d();
-        this.destroyed && this.destroyed();
         this.element.destroy();
         this.purgeListeners();
     },
 
     destroy: function () {
         this.__d();
-        this.destroyed && this.destroyed();
         this.element.destroy();
         this.fireEvent(BI.Events.DESTROY);
         this.purgeListeners();
@@ -15255,6 +15257,8 @@ BI.View = BI.inherit(BI.V, {
 
     created: null,
 
+    beforeDestroyed: null,
+
     destroyed: null,
 
     _init: function () {
@@ -15744,18 +15748,22 @@ BI.View = BI.inherit(BI.V, {
     },
 
     _unMount: function () {
+        this.beforeDestroyed && this.beforeDestroyed();
         BI.each(this._cardLayouts, function (name, card) {
             card && card._unMount();
         });
         delete this._cardLayouts;
         delete this._cards;
         this.destroyed && this.destroyed();
+        this.trigger(BI.Events.UNMOUNT);
         this.off();
     },
 
     _destroy: function () {
+        var self = this;
         BI.each(this._cardLayouts, function (name, card) {
             card && card._unMount();
+            BI.Layers.remove(name + self.cid);
         });
         delete this._cardLayouts;
         delete this._cards;
@@ -20132,7 +20140,7 @@ BI.PopoverSection.EVENT_CLOSE = "EVENT_CLOSE";;(function () {
             if (numReg) {
                 var num = numReg[0];
                 var orilen = num.length;
-                var newnum = BI.parseInt(num) + 1 + '';
+                var newnum = parseInt(num) + 1 + '';
                 //进位到整数部分
                 if (newnum.length > orilen) {
                     newnum = newnum.substr(1);
@@ -21552,7 +21560,10 @@ BI.FloatBoxRouter = BI.inherit(BI.WRouter, {
             var view = this.createView(url, data, viewData, context);
             isValid && context.model.addChild(modelData, view.model);
             view.listenTo(view.model, "destroy", function () {
-                self.remove(url);
+                self.remove(url, context);
+            });
+            context.on(BI.Events.UNMOUNT, function () {
+                self.remove(url, context);
             });
             this.store[url].populate(view);
             this.views[url] = view;
@@ -21591,7 +21602,7 @@ BI.FloatBoxRouter = BI.inherit(BI.WRouter, {
 
     remove: function (url, context) {
         url = context.rootURL + "/" + url;
-        if(this.controller){
+        if (this.controller) {
             this.controller.remove(url);
             delete this.store[url];
             this.views[url] && this.views[url].model.destroy();
@@ -21758,6 +21769,12 @@ _.extend(BI, {
          */
         DESTROY: '_DESTROY',
 
+        /**
+         * @static
+         * @property 取消挂载事件
+         */
+        UNMOUNT: '_UNMOUNT',
+
         /**
          * @static
          * @property 清除选择
diff --git a/docs/widget.js b/docs/widget.js
index aab2005f3e..05cbb17a13 100644
--- a/docs/widget.js
+++ b/docs/widget.js
@@ -103,12 +103,13 @@ BI.SequenceTableTreeNumber = BI.inherit(BI.Widget, {
     _getStart: function (nodes) {
         var self = this;
         var start = this.start;
-        BI.each(nodes, function (i, node) {
+        BI.some(nodes, function (i, node) {
             if (BI.isNotEmptyArray(node.children)) {
-                BI.each(node.children, function (index, child) {
+                return BI.some(node.children, function (index, child) {
                     if (index === 0) {
                         if (self.cache[child.text || child.value]) {
                             start = self.cache[child.text || child.value];
+                            return true;
                         }
                     }
                 });
@@ -12681,8 +12682,7 @@ BI.NumericalInterval = BI.inherit(BI.Single, {
         })
     },
 
-
-    isValid: function () {
+    isStateValid: function () {
         return this.options.validation === "valid";
     },
 
diff --git a/src/core/controller/router.floatbox.js b/src/core/controller/router.floatbox.js
index 1076b04244..5707f34fcc 100644
--- a/src/core/controller/router.floatbox.js
+++ b/src/core/controller/router.floatbox.js
@@ -45,7 +45,10 @@ BI.FloatBoxRouter = BI.inherit(BI.WRouter, {
             var view = this.createView(url, data, viewData, context);
             isValid && context.model.addChild(modelData, view.model);
             view.listenTo(view.model, "destroy", function () {
-                self.remove(url);
+                self.remove(url, context);
+            });
+            context.on(BI.Events.UNMOUNT, function () {
+                self.remove(url, context);
             });
             this.store[url].populate(view);
             this.views[url] = view;
@@ -84,7 +87,7 @@ BI.FloatBoxRouter = BI.inherit(BI.WRouter, {
 
     remove: function (url, context) {
         url = context.rootURL + "/" + url;
-        if(this.controller){
+        if (this.controller) {
             this.controller.remove(url);
             delete this.store[url];
             this.views[url] && this.views[url].model.destroy();
diff --git a/src/core/events.js b/src/core/events.js
index 91d0aa1a96..cbaf9f4af6 100644
--- a/src/core/events.js
+++ b/src/core/events.js
@@ -53,6 +53,12 @@ _.extend(BI, {
          */
         DESTROY: '_DESTROY',
 
+        /**
+         * @static
+         * @property 取消挂载事件
+         */
+        UNMOUNT: '_UNMOUNT',
+
         /**
          * @static
          * @property 清除选择
diff --git a/src/core/view.js b/src/core/view.js
index 5912819cd6..21e9efb2e5 100644
--- a/src/core/view.js
+++ b/src/core/view.js
@@ -10,6 +10,8 @@ BI.View = BI.inherit(BI.V, {
 
     created: null,
 
+    beforeDestroyed: null,
+
     destroyed: null,
 
     _init: function () {
@@ -499,18 +501,22 @@ BI.View = BI.inherit(BI.V, {
     },
 
     _unMount: function () {
+        this.beforeDestroyed && this.beforeDestroyed();
         BI.each(this._cardLayouts, function (name, card) {
             card && card._unMount();
         });
         delete this._cardLayouts;
         delete this._cards;
         this.destroyed && this.destroyed();
+        this.trigger(BI.Events.UNMOUNT);
         this.off();
     },
 
     _destroy: function () {
+        var self = this;
         BI.each(this._cardLayouts, function (name, card) {
             card && card._unMount();
+            BI.Layers.remove(name + self.cid);
         });
         delete this._cardLayouts;
         delete this._cards;
diff --git a/src/core/widget.js b/src/core/widget.js
index cd4ae58be0..62775547eb 100644
--- a/src/core/widget.js
+++ b/src/core/widget.js
@@ -37,6 +37,8 @@ BI.Widget = BI.inherit(BI.OB, {
     update: function () {
     },
 
+    beforeDestroyed: null,
+
     destroyed: null,
 
     _init: function () {
@@ -396,18 +398,20 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     __d: function () {
+        this.beforeDestroyed && this.beforeDestroyed();
         BI.each(this._children, function (i, widget) {
             widget._unMount && widget._unMount();
         });
         this._children = {};
         this._parent = null;
         this._isMounted = false;
+        this.destroyed && this.destroyed();
     },
 
     _unMount: function () {
         this.__d();
+        this.fireEvent(BI.Events.UNMOUNT);
         this.purgeListeners();
-        this.destroyed && this.destroyed();
     },
 
     isolate: function () {
@@ -427,14 +431,12 @@ BI.Widget = BI.inherit(BI.OB, {
 
     _destroy: function () {
         this.__d();
-        this.destroyed && this.destroyed();
         this.element.destroy();
         this.purgeListeners();
     },
 
     destroy: function () {
         this.__d();
-        this.destroyed && this.destroyed();
         this.element.destroy();
         this.fireEvent(BI.Events.DESTROY);
         this.purgeListeners();
diff --git a/src/widget/sequencetable/treenumber.sequencetable.js b/src/widget/sequencetable/treenumber.sequencetable.js
index 6a1fff133d..057a5e6c2a 100644
--- a/src/widget/sequencetable/treenumber.sequencetable.js
+++ b/src/widget/sequencetable/treenumber.sequencetable.js
@@ -103,12 +103,13 @@ BI.SequenceTableTreeNumber = BI.inherit(BI.Widget, {
     _getStart: function (nodes) {
         var self = this;
         var start = this.start;
-        BI.each(nodes, function (i, node) {
+        BI.some(nodes, function (i, node) {
             if (BI.isNotEmptyArray(node.children)) {
-                BI.each(node.children, function (index, child) {
+                return BI.some(node.children, function (index, child) {
                     if (index === 0) {
                         if (self.cache[child.text || child.value]) {
                             start = self.cache[child.text || child.value];
+                            return true;
                         }
                     }
                 });