diff --git a/bi/core.js b/bi/core.js
index 5525ad41d..dfaa57f48 100644
--- a/bi/core.js
+++ b/bi/core.js
@@ -4292,8 +4292,7 @@ BI.OB = function (config) {
 };
 $.extend(BI.OB.prototype, {
     props: {},
-    init: function () {
-    },
+    init: null,
 
     _defaultConfig: function (config) {
         return {};
@@ -4301,7 +4300,7 @@ $.extend(BI.OB.prototype, {
 
     _init: function () {
         this._initListeners();
-        this.init();
+        this.init && this.init();
     },
 
     _initListeners: function () {
@@ -4439,41 +4438,30 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     //生命周期函数
-    beforeCreate: function () {
-
-    },
-
-    created: function () {
-
-    },
-
-    render: function () {
-
-    },
+    beforeCreate: null,
 
-    beforeMounted: function () {
+    created: null,
 
-    },
+    render: null,
 
-    mounted: function () {
+    beforeMounted: null,
 
-    },
+    mounted: null,
 
     update: null,
 
-    destroyed: function () {
-    },
+    destroyed: null,
 
     _init: function () {
         BI.Widget.superclass._init.apply(this, arguments);
-        this.beforeCreate();
+        this.beforeCreate && this.beforeCreate();
         this._initRoot();
         this._initElementWidth();
         this._initElementHeight();
         this._initVisualEffects();
         this._initState();
         this._initElement();
-        this.created();
+        this.created && this.created();
     },
 
     /**
@@ -4546,7 +4534,7 @@ BI.Widget = BI.inherit(BI.OB, {
 
     _initElement: function () {
         var self = this;
-        var els = this.render();
+        var els = this.render && this.render();
         if (BI.isPlainObject(els)) {
             els = [els];
         }
@@ -4580,13 +4568,13 @@ BI.Widget = BI.inherit(BI.OB, {
         if (!isMounted) {
             return;
         }
-        this.beforeMounted();
+        this.beforeMounted && this.beforeMounted();
         this._isMounted = true;
         this._mountChildren();
         BI.each(this._children, function (i, widget) {
             widget._mount && widget._mount();
         });
-        this.mounted();
+        this.mounted && this.mounted();
     },
 
     _mountChildren: function () {
@@ -4612,7 +4600,7 @@ BI.Widget = BI.inherit(BI.OB, {
         this._parent = null;
         this._isMounted = false;
         this.purgeListeners();
-        this.destroyed();
+        this.destroyed && this.destroyed();
     },
 
     setWidth: function (w) {
@@ -4799,7 +4787,7 @@ BI.Widget = BI.inherit(BI.OB, {
 
     empty: function () {
         BI.each(this._children, function (i, widget) {
-            widget._unMount();
+            widget._unMount && widget._unMount();
         });
         this._children = {};
         this.element.empty();
@@ -4812,7 +4800,7 @@ BI.Widget = BI.inherit(BI.OB, {
         this._children = {};
         this._parent = null;
         this._isMounted = false;
-        this.destroyed();
+        this.destroyed && this.destroyed();
         this.element.destroy();
         this.fireEvent(BI.Events.DESTROY);
         this.purgeListeners();
diff --git a/dist/core.js b/dist/core.js
index 531b4886e..762d4e0b6 100644
--- a/dist/core.js
+++ b/dist/core.js
@@ -14213,8 +14213,7 @@ BI.OB = function (config) {
 };
 $.extend(BI.OB.prototype, {
     props: {},
-    init: function () {
-    },
+    init: null,
 
     _defaultConfig: function (config) {
         return {};
@@ -14222,7 +14221,7 @@ $.extend(BI.OB.prototype, {
 
     _init: function () {
         this._initListeners();
-        this.init();
+        this.init && this.init();
     },
 
     _initListeners: function () {
@@ -14360,41 +14359,30 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     //生命周期函数
-    beforeCreate: function () {
-
-    },
-
-    created: function () {
-
-    },
+    beforeCreate: null,
 
-    render: function () {
-
-    },
+    created: null,
 
-    beforeMounted: function () {
+    render: null,
 
-    },
+    beforeMounted: null,
 
-    mounted: function () {
-
-    },
+    mounted: null,
 
     update: null,
 
-    destroyed: function () {
-    },
+    destroyed: null,
 
     _init: function () {
         BI.Widget.superclass._init.apply(this, arguments);
-        this.beforeCreate();
+        this.beforeCreate && this.beforeCreate();
         this._initRoot();
         this._initElementWidth();
         this._initElementHeight();
         this._initVisualEffects();
         this._initState();
         this._initElement();
-        this.created();
+        this.created && this.created();
     },
 
     /**
@@ -14467,7 +14455,7 @@ BI.Widget = BI.inherit(BI.OB, {
 
     _initElement: function () {
         var self = this;
-        var els = this.render();
+        var els = this.render && this.render();
         if (BI.isPlainObject(els)) {
             els = [els];
         }
@@ -14501,13 +14489,13 @@ BI.Widget = BI.inherit(BI.OB, {
         if (!isMounted) {
             return;
         }
-        this.beforeMounted();
+        this.beforeMounted && this.beforeMounted();
         this._isMounted = true;
         this._mountChildren();
         BI.each(this._children, function (i, widget) {
             widget._mount && widget._mount();
         });
-        this.mounted();
+        this.mounted && this.mounted();
     },
 
     _mountChildren: function () {
@@ -14533,7 +14521,7 @@ BI.Widget = BI.inherit(BI.OB, {
         this._parent = null;
         this._isMounted = false;
         this.purgeListeners();
-        this.destroyed();
+        this.destroyed && this.destroyed();
     },
 
     setWidth: function (w) {
@@ -14720,7 +14708,7 @@ BI.Widget = BI.inherit(BI.OB, {
 
     empty: function () {
         BI.each(this._children, function (i, widget) {
-            widget._unMount();
+            widget._unMount && widget._unMount();
         });
         this._children = {};
         this.element.empty();
@@ -14733,7 +14721,7 @@ BI.Widget = BI.inherit(BI.OB, {
         this._children = {};
         this._parent = null;
         this._isMounted = false;
-        this.destroyed();
+        this.destroyed && this.destroyed();
         this.element.destroy();
         this.fireEvent(BI.Events.DESTROY);
         this.purgeListeners();
@@ -23226,184 +23214,7 @@ BI.HorizontalFillLayoutLogic = BI.inherit(BI.Logic, {
     _init: function () {
         BI.HorizontalFillLayoutLogic.superclass._init.apply(this, arguments);
     }
-});// BI.M = BI.inherit(BI.OB, {
-//     validationError: null,
-//
-//     _init: function () {
-//         BI.M.superclass._init.apply(this, arguments);
-//         this.attributes = {};
-//         _.extend(this, _.pick(this.options, ['rootURL', 'parent', 'data', 'id']));
-//         this.set(this.options);
-//         this.changed = {};
-//     },
-//
-//     _validate: function (attrs, options) {
-//         if (!options.validate || !this.validate) return true;
-//         attrs = _.extend({}, this.attributes, attrs);
-//         var error = this.validationError = this.validate(attrs, options) || null;
-//         if (!error) return true;
-//         this.fireEvent('invalid', error, this, _.extend(options, {validationError: error}));
-//         return false;
-//     },
-//
-//     toJSON: function (options) {
-//         return _.clone(this.attributes);
-//     },
-//
-//     get: function (attr) {
-//         return this.attributes[attr];
-//     },
-//
-//     has: function (attr) {
-//         return _.has(this.attributes, attr);
-//     },
-//
-//     matches: function (attrs) {
-//         var keys = _.keys(attrs), length = keys.length;
-//         var obj = Object(this.attributes);
-//         for (var i = 0; i < length; i++) {
-//             var key = keys[i];
-//             if (!_.isEqual(attrs[key], obj[key]) || !(key in obj)) return false;
-//         }
-//         return true;
-//     },
-//
-//     set: function (key, val, options) {
-//         var attr, attrs, unset, changes, silent, changing, changed, prev, current;
-//         if (key == null) return this;
-//
-//         // Handle both `"key", value` and `{key: value}` -style arguments.
-//         if (typeof key === 'object') {
-//             attrs = key;
-//             options = val;
-//         } else {
-//             (attrs = {})[key] = val;
-//         }
-//
-//         options || (options = {});
-//
-//         // Run validation.
-//         if (!this._validate(attrs, options)) return false;
-//
-//         // Extract attributes and options.
-//         unset = options.unset;
-//         silent = options.silent;
-//         changes = [];
-//         changing = this._changing;
-//         this._changing = true;
-//
-//         if (!changing) {
-//             this._previousAttributes = _.clone(this.attributes);
-//             this.changed = {};
-//         }
-//         current = this.attributes, prev = this._previousAttributes;
-//
-//         // Check for changes of `id`.
-//         if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
-//
-//         // For each `set` attribute, update or delete the current value.
-//         for (attr in attrs) {
-//             val = attrs[attr];
-//             if (!_.isEqual(current[attr], val)) changes.push(attr);
-//             if (!_.isEqual(prev[attr], val)) {
-//                 this.changed[attr] = val;
-//             } else {
-//                 delete this.changed[attr];
-//             }
-//             unset ? delete current[attr] : current[attr] = val;
-//         }
-//
-//         // Trigger all relevant attribute changes.
-//         if (!silent) {
-//             if (changes.length) this._pending = options;
-//             for (var i = 0, length = changes.length; i < length; i++) {
-//                 this.trigger('change:' + changes[i], this, current[changes[i]], options);
-//             }
-//         }
-//
-//         // You might be wondering why there's a `while` loop here. Changes can
-//         // be recursively nested within `"change"` events.
-//         if (changing) return this;
-//         changed = BI.clone(this.changed);
-//         if (!silent) {
-//             while (this._pending) {
-//                 options = this._pending;
-//                 this._pending = false;
-//                 this.trigger('change', changed, prev, this, options);
-//             }
-//         }
-//         this._pending = false;
-//         this._changing = false;
-//         if (!silent && changes.length) this.trigger("changed", changed, prev, this, options);
-//         return this;
-//     },
-//
-//     unset: function (attr, options) {
-//         return this.set(attr, void 0, _.extend({}, options, {unset: true}));
-//     },
-//
-//     clear: function (options) {
-//         var attrs = {};
-//         for (var key in this.attributes) attrs[key] = void 0;
-//         return this.set(attrs, _.extend({}, options, {unset: true}));
-//     },
-//
-//     hasChanged: function (attr) {
-//         if (attr == null) return !_.isEmpty(this.changed);
-//         return _.has(this.changed, attr);
-//     },
-//
-//     changedAttributes: function (diff) {
-//         if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
-//         var val, changed = false;
-//         var old = this._changing ? this._previousAttributes : this.attributes;
-//         for (var attr in diff) {
-//             if (_.isEqual(old[attr], (val = diff[attr]))) continue;
-//             (changed || (changed = {}))[attr] = val;
-//         }
-//         return changed;
-//     },
-//
-//     // Get the previous value of an attribute, recorded at the time the last
-//     // `"change"` event was fired.
-//     previous: function (attr) {
-//         if (attr == null || !this._previousAttributes) return null;
-//         return this._previousAttributes[attr];
-//     },
-//
-//     // Get all of the attributes of the model at the time of the previous
-//     // `"change"` event.
-//     previousAttributes: function () {
-//         return _.clone(this._previousAttributes);
-//     },
-//
-//     destroy: function (options) {
-//         options = options ? _.clone(options) : {};
-//         var model = this;
-//         var success = options.success;
-//
-//         var destroy = function () {
-//             model.stopListening();
-//             model.trigger('destroy', model.collection, model, options);
-//         };
-//
-//         options.success = function (resp) {
-//             if (options.wait || model.isNew()) destroy();
-//             if (success) success(resp, model, options);
-//             if (!model.isNew()) model.trigger('sync', resp, model, options).trigger('delete', resp, model, options);
-//         };
-//
-//         if (this.isNew()) {
-//             options.success();
-//             return false;
-//         }
-//         wrapError(this, options);
-//
-//         var xhr = this.sync('delete', this, options);
-//         if (!options.wait) destroy();
-//         return xhr;
-//     },
-// });BI.Plugin = BI.Plugin || {};
+});BI.Plugin = BI.Plugin || {};
 ;
 (function () {
     var _WidgetsPlugin = {};
diff --git a/src/core/m.js b/src/core/m.js
deleted file mode 100644
index 028ed01b6..000000000
--- a/src/core/m.js
+++ /dev/null
@@ -1,178 +0,0 @@
-// BI.M = BI.inherit(BI.OB, {
-//     validationError: null,
-//
-//     _init: function () {
-//         BI.M.superclass._init.apply(this, arguments);
-//         this.attributes = {};
-//         _.extend(this, _.pick(this.options, ['rootURL', 'parent', 'data', 'id']));
-//         this.set(this.options);
-//         this.changed = {};
-//     },
-//
-//     _validate: function (attrs, options) {
-//         if (!options.validate || !this.validate) return true;
-//         attrs = _.extend({}, this.attributes, attrs);
-//         var error = this.validationError = this.validate(attrs, options) || null;
-//         if (!error) return true;
-//         this.fireEvent('invalid', error, this, _.extend(options, {validationError: error}));
-//         return false;
-//     },
-//
-//     toJSON: function (options) {
-//         return _.clone(this.attributes);
-//     },
-//
-//     get: function (attr) {
-//         return this.attributes[attr];
-//     },
-//
-//     has: function (attr) {
-//         return _.has(this.attributes, attr);
-//     },
-//
-//     matches: function (attrs) {
-//         var keys = _.keys(attrs), length = keys.length;
-//         var obj = Object(this.attributes);
-//         for (var i = 0; i < length; i++) {
-//             var key = keys[i];
-//             if (!_.isEqual(attrs[key], obj[key]) || !(key in obj)) return false;
-//         }
-//         return true;
-//     },
-//
-//     set: function (key, val, options) {
-//         var attr, attrs, unset, changes, silent, changing, changed, prev, current;
-//         if (key == null) return this;
-//
-//         // Handle both `"key", value` and `{key: value}` -style arguments.
-//         if (typeof key === 'object') {
-//             attrs = key;
-//             options = val;
-//         } else {
-//             (attrs = {})[key] = val;
-//         }
-//
-//         options || (options = {});
-//
-//         // Run validation.
-//         if (!this._validate(attrs, options)) return false;
-//
-//         // Extract attributes and options.
-//         unset = options.unset;
-//         silent = options.silent;
-//         changes = [];
-//         changing = this._changing;
-//         this._changing = true;
-//
-//         if (!changing) {
-//             this._previousAttributes = _.clone(this.attributes);
-//             this.changed = {};
-//         }
-//         current = this.attributes, prev = this._previousAttributes;
-//
-//         // Check for changes of `id`.
-//         if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
-//
-//         // For each `set` attribute, update or delete the current value.
-//         for (attr in attrs) {
-//             val = attrs[attr];
-//             if (!_.isEqual(current[attr], val)) changes.push(attr);
-//             if (!_.isEqual(prev[attr], val)) {
-//                 this.changed[attr] = val;
-//             } else {
-//                 delete this.changed[attr];
-//             }
-//             unset ? delete current[attr] : current[attr] = val;
-//         }
-//
-//         // Trigger all relevant attribute changes.
-//         if (!silent) {
-//             if (changes.length) this._pending = options;
-//             for (var i = 0, length = changes.length; i < length; i++) {
-//                 this.trigger('change:' + changes[i], this, current[changes[i]], options);
-//             }
-//         }
-//
-//         // You might be wondering why there's a `while` loop here. Changes can
-//         // be recursively nested within `"change"` events.
-//         if (changing) return this;
-//         changed = BI.clone(this.changed);
-//         if (!silent) {
-//             while (this._pending) {
-//                 options = this._pending;
-//                 this._pending = false;
-//                 this.trigger('change', changed, prev, this, options);
-//             }
-//         }
-//         this._pending = false;
-//         this._changing = false;
-//         if (!silent && changes.length) this.trigger("changed", changed, prev, this, options);
-//         return this;
-//     },
-//
-//     unset: function (attr, options) {
-//         return this.set(attr, void 0, _.extend({}, options, {unset: true}));
-//     },
-//
-//     clear: function (options) {
-//         var attrs = {};
-//         for (var key in this.attributes) attrs[key] = void 0;
-//         return this.set(attrs, _.extend({}, options, {unset: true}));
-//     },
-//
-//     hasChanged: function (attr) {
-//         if (attr == null) return !_.isEmpty(this.changed);
-//         return _.has(this.changed, attr);
-//     },
-//
-//     changedAttributes: function (diff) {
-//         if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
-//         var val, changed = false;
-//         var old = this._changing ? this._previousAttributes : this.attributes;
-//         for (var attr in diff) {
-//             if (_.isEqual(old[attr], (val = diff[attr]))) continue;
-//             (changed || (changed = {}))[attr] = val;
-//         }
-//         return changed;
-//     },
-//
-//     // Get the previous value of an attribute, recorded at the time the last
-//     // `"change"` event was fired.
-//     previous: function (attr) {
-//         if (attr == null || !this._previousAttributes) return null;
-//         return this._previousAttributes[attr];
-//     },
-//
-//     // Get all of the attributes of the model at the time of the previous
-//     // `"change"` event.
-//     previousAttributes: function () {
-//         return _.clone(this._previousAttributes);
-//     },
-//
-//     destroy: function (options) {
-//         options = options ? _.clone(options) : {};
-//         var model = this;
-//         var success = options.success;
-//
-//         var destroy = function () {
-//             model.stopListening();
-//             model.trigger('destroy', model.collection, model, options);
-//         };
-//
-//         options.success = function (resp) {
-//             if (options.wait || model.isNew()) destroy();
-//             if (success) success(resp, model, options);
-//             if (!model.isNew()) model.trigger('sync', resp, model, options).trigger('delete', resp, model, options);
-//         };
-//
-//         if (this.isNew()) {
-//             options.success();
-//             return false;
-//         }
-//         wrapError(this, options);
-//
-//         var xhr = this.sync('delete', this, options);
-//         if (!options.wait) destroy();
-//         return xhr;
-//     },
-// });
\ No newline at end of file
diff --git a/src/core/ob.js b/src/core/ob.js
index 182c68f07..bb71c3874 100644
--- a/src/core/ob.js
+++ b/src/core/ob.js
@@ -14,8 +14,7 @@ BI.OB = function (config) {
 };
 $.extend(BI.OB.prototype, {
     props: {},
-    init: function () {
-    },
+    init: null,
 
     _defaultConfig: function (config) {
         return {};
@@ -23,7 +22,7 @@ $.extend(BI.OB.prototype, {
 
     _init: function () {
         this._initListeners();
-        this.init();
+        this.init && this.init();
     },
 
     _initListeners: function () {
diff --git a/src/core/widget.js b/src/core/widget.js
index 90c1e8eb1..29bc55f37 100644
--- a/src/core/widget.js
+++ b/src/core/widget.js
@@ -23,41 +23,30 @@ BI.Widget = BI.inherit(BI.OB, {
     },
 
     //生命周期函数
-    beforeCreate: function () {
+    beforeCreate: null,
 
-    },
-
-    created: function () {
-
-    },
-
-    render: function () {
-
-    },
-
-    beforeMounted: function () {
+    created: null,
 
-    },
+    render: null,
 
-    mounted: function () {
+    beforeMounted: null,
 
-    },
+    mounted: null,
 
     update: null,
 
-    destroyed: function () {
-    },
+    destroyed: null,
 
     _init: function () {
         BI.Widget.superclass._init.apply(this, arguments);
-        this.beforeCreate();
+        this.beforeCreate && this.beforeCreate();
         this._initRoot();
         this._initElementWidth();
         this._initElementHeight();
         this._initVisualEffects();
         this._initState();
         this._initElement();
-        this.created();
+        this.created && this.created();
     },
 
     /**
@@ -130,7 +119,7 @@ BI.Widget = BI.inherit(BI.OB, {
 
     _initElement: function () {
         var self = this;
-        var els = this.render();
+        var els = this.render && this.render();
         if (BI.isPlainObject(els)) {
             els = [els];
         }
@@ -164,13 +153,13 @@ BI.Widget = BI.inherit(BI.OB, {
         if (!isMounted) {
             return;
         }
-        this.beforeMounted();
+        this.beforeMounted && this.beforeMounted();
         this._isMounted = true;
         this._mountChildren();
         BI.each(this._children, function (i, widget) {
             widget._mount && widget._mount();
         });
-        this.mounted();
+        this.mounted && this.mounted();
     },
 
     _mountChildren: function () {
@@ -196,7 +185,7 @@ BI.Widget = BI.inherit(BI.OB, {
         this._parent = null;
         this._isMounted = false;
         this.purgeListeners();
-        this.destroyed();
+        this.destroyed && this.destroyed();
     },
 
     setWidth: function (w) {
@@ -383,7 +372,7 @@ BI.Widget = BI.inherit(BI.OB, {
 
     empty: function () {
         BI.each(this._children, function (i, widget) {
-            widget._unMount();
+            widget._unMount && widget._unMount();
         });
         this._children = {};
         this.element.empty();
@@ -396,7 +385,7 @@ BI.Widget = BI.inherit(BI.OB, {
         this._children = {};
         this._parent = null;
         this._isMounted = false;
-        this.destroyed();
+        this.destroyed && this.destroyed();
         this.element.destroy();
         this.fireEvent(BI.Events.DESTROY);
         this.purgeListeners();