diff --git a/dist/fix/fix.compact.js b/dist/fix/fix.compact.js
index 727a884b3..b523b5e6c 100644
--- a/dist/fix/fix.compact.js
+++ b/dist/fix/fix.compact.js
@@ -195,6 +195,9 @@
                 if (rendered) {
                     var newEls = render && render.call(this);
                     BI.each(childComponents, function (i, childComponent) {
+                        if (childComponent.component instanceof BI.Layout) {
+                            return; // 布局的过滤掉
+                        }
                         var nextProps = BI.get([newEls], childComponent.path);
                         if (nextProps) {
                             var shouldUpdate = childComponent.component.shouldUpdate && childComponent.component.shouldUpdate(nextProps);
diff --git a/src/base/single/single.js b/src/base/single/single.js
index c4d15291d..97b2591a7 100644
--- a/src/base/single/single.js
+++ b/src/base/single/single.js
@@ -200,18 +200,6 @@ BI.Single = BI.inherit(BI.Widget, {
         return this.options.value;
     },
 
-    update: function (props, shouldUpdate) {
-        if (BI.isObject(shouldUpdate)) {
-            props = shouldUpdate;
-        }
-        if ("value" in props) {
-            this.setValue(props.value);
-        }
-        if ("text" in props) {
-            this.setText && this.setText(props.text);
-        }
-    },
-
     destroyed: function () {
         if (BI.isNotNull(this.showTimeout)) {
             clearTimeout(this.showTimeout);
diff --git a/src/core/widget.js b/src/core/widget.js
index 7b6b341f9..c9f6c03b0 100644
--- a/src/core/widget.js
+++ b/src/core/widget.js
@@ -226,37 +226,40 @@
          * @returns {boolean}
          * @private
          */
-        _mount: function (force, deep, lifeHook, predicate) {
-            if (this.__beforeMount(force, deep, lifeHook, predicate)) {
-                this.__afterMount(lifeHook, predicate);
-                return true;
-            }
-            return false;
-        },
-
-        __beforeMount: function (force, deep, lifeHook, predicate) {
+        _mount: function (force, deep, lifeHook, predicate, layer, queue) {
             var self = this;
+            if (!layer) {
+                layer = 0;
+            }
+            if (!queue) {
+                queue = [];
+            }
             if (!force && (this._isMounted || !this.isVisible() || this.__asking === true || !(this._isRoot === true || (this._parent && this._parent._isMounted === true)))) {
                 return false;
             }
             lifeHook !== false && callLifeHook(this, "beforeMount");
             this._isMounted = true;
+            queue.push(this);
             BI.each(this._children, function (i, widget) {
                 !self.isEnabled() && widget._setEnable(false);
                 !self.isValid() && widget._setValid(false);
-                widget.__beforeMount && widget.__beforeMount(deep ? force : false, deep, lifeHook, predicate);
+                widget._mount && widget._mount(deep ? force : false, deep, lifeHook, predicate, layer + 1, queue);
             });
             this._mountChildren && this._mountChildren();
+            if (layer === 0) {
+                BI.each(queue, function (i, w) {
+                    w.__afterMount(lifeHook, predicate);
+                });
+            }
             return true;
         },
 
         __afterMount: function (lifeHook, predicate) {
-            BI.each(this._children, function (i, widget) {
-                widget.__afterMount && widget.__afterMount(lifeHook, predicate);
-            });
-            lifeHook !== false && callLifeHook(this, "mounted");
-            this.fireEvent(BI.Events.MOUNT);
-            predicate && predicate(this);
+            if (this._isMounted) {
+                lifeHook !== false && callLifeHook(this, "mounted");
+                this.fireEvent(BI.Events.MOUNT);
+                predicate && predicate(this);
+            }
         },
 
         _mountChildren: null,
diff --git a/src/core/wrapper/layout.js b/src/core/wrapper/layout.js
index 6b10e753d..871b56aeb 100644
--- a/src/core/wrapper/layout.js
+++ b/src/core/wrapper/layout.js
@@ -366,9 +366,9 @@ BI.Layout = BI.inherit(BI.Widget, {
             return child._update(this._getOptions(vnode), shouldUpdate);
         }
         if (shouldUpdate === null && !this._compare(oldVnode, vnode)) {
-            if (child.update) {
-                return child.update(this._getOptions(vnode));
-            }
+            // if (child.update) {
+            //     return child.update(this._getOptions(vnode));
+            // }
             return this.updateItemAt(index, vnode);
         }
     },