diff --git a/dist/fix/fix.compact.js b/dist/fix/fix.compact.js
index b8e49eb28..df02143b6 100644
--- a/dist/fix/fix.compact.js
+++ b/dist/fix/fix.compact.js
@@ -38,7 +38,7 @@
             cb = cb.handler;
         }
         options = options || {};
-        return Fix.watch(vm.model, keyOrFn, _.bind(cb, vm), BI.extend(options, {
+        return Fix.watch(vm.model, keyOrFn, BI._.bind(cb, vm), BI.extend(options, {
             store: vm.store
         }));
     }
@@ -177,7 +177,7 @@
         delete this.__cacheStore;
     };
 
-    _.each(["_render", "__afterRender", "_mount", "__afterMount"], function (name) {
+    BI._.each(["_render", "__afterRender", "_mount", "__afterMount"], function (name) {
         var old = BI.Widget.prototype[name];
         old && (BI.Widget.prototype[name] = function () {
             this.store && pushTarget(this.store);
diff --git a/dist/fix/fix.js b/dist/fix/fix.js
index 52a6a7907..9a106ae7a 100644
--- a/dist/fix/fix.js
+++ b/dist/fix/fix.js
@@ -96,8 +96,8 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                 setImmediate(nextTickHandler);
             };
         } else if (typeof MessageChannel !== 'undefined' && (isNative(MessageChannel) ||
-            // PhantomJS
-            MessageChannel.toString() === '[object MessageChannelConstructor]')) {
+        // PhantomJS
+        MessageChannel.toString() === '[object MessageChannelConstructor]')) {
             var channel = new MessageChannel();
             var port = channel.port2;
             channel.port1.onmessage = nextTickHandler;
@@ -106,18 +106,18 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
             };
         } else
             /* istanbul ignore next */
-        if (typeof Promise !== 'undefined' && isNative(Promise)) {
-            // use microtask in non-DOM environments, e.g. Weex
-            var p = Promise.resolve();
-            timerFunc = function timerFunc() {
-                p.then(nextTickHandler);
-            };
-        } else {
-            // fallback to setTimeout
-            timerFunc = function timerFunc() {
-                setTimeout(nextTickHandler, 0);
-            };
-        }
+            if (typeof Promise !== 'undefined' && isNative(Promise)) {
+                // use microtask in non-DOM environments, e.g. Weex
+                var p = Promise.resolve();
+                timerFunc = function timerFunc() {
+                    p.then(nextTickHandler);
+                };
+            } else {
+                // fallback to setTimeout
+                timerFunc = function timerFunc() {
+                    setTimeout(nextTickHandler, 0);
+                };
+            }
 
         return function queueNextTick(cb, ctx) {
             var _resolve = void 0;
@@ -428,10 +428,10 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
             if (this.active) {
                 var value = this.get();
                 if (value !== this.value ||
-                    // Deep watchers and watchers on Object/Arrays should fire even
-                    // when the value is the same, because the value may
-                    // have mutated.
-                    _.isObject(value) && options && options.refresh || this.deep) {
+                // Deep watchers and watchers on Object/Arrays should fire even
+                // when the value is the same, because the value may
+                // have mutated.
+                BI._.isObject(value) && options && options.refresh || this.deep) {
                     // set new value
                     var oldValue = this.value;
                     this.value = value;
@@ -491,8 +491,8 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
     function _traverse(val, seen) {
         var i = void 0,
             keys = void 0;
-        var isA = _.isArray(val);
-        if (!isA && !_.isObject(val)) {
+        var isA = BI._.isArray(val);
+        if (!isA && !BI._.isObject(val)) {
             return;
         }
         if (val.__ob__) {
@@ -508,7 +508,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                 _traverse(val[i], seen);
             }
         } else {
-            keys = _.keys(val);
+            keys = BI._.keys(val);
             i = keys.length;
             while (i--) {
                 _traverse(val[keys[i]], seen);
@@ -518,7 +518,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
     var arrayProto = Array.prototype;
     var arrayMethods = [];
-    _.each(['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'], function (method) {
+    BI._.each(['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'], function (method) {
         var original = arrayProto[method];
         arrayMethods[method] = function mutator() {
             for (var _len = arguments.length, args = Array(_len), _key2 = 0; _key2 < _len; _key2++) {
@@ -554,7 +554,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         };
     });
 
-    var arrayKeys = _.keys(arrayMethods);
+    var arrayKeys = BI._.keys(arrayMethods);
 
     var observerState = {
         shouldConvert: true
@@ -583,7 +583,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
             this.value = value;
             this.dep = new Dep();
             this.vmCount = 0;
-            if (_.isArray(value)) {
+            if (BI._.isArray(value)) {
                 var augment = hasProto ? protoAugment : copyAugment;
                 augment(value, arrayMethods, arrayKeys);
                 this.model = this.observeArray(value);
@@ -623,13 +623,13 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
     }
 
     function observe(value, parentObserver, parentKey) {
-        if (!_.isObject(value)) {
+        if (!BI._.isObject(value)) {
             return;
         }
         var ob = void 0;
         if (value.__ob__ instanceof Observer) {
             ob = value.__ob__;
-        } else if (observerState.shouldConvert && isExtensible(value) && (_.isArray(value) || isPlainObject(value))) {
+        } else if (observerState.shouldConvert && isExtensible(value) && (BI._.isArray(value) || isPlainObject(value))) {
             ob = new Observer(value);
         }
         if (ob) {
@@ -643,7 +643,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         dep.notify({ observer: observer, key: key, refresh: refresh });
         if (observer) {
             //触发a.*绑定的依赖
-            _.each(observer._deps, function (dep) {
+            BI._.each(observer._deps, function (dep) {
                 dep.notify({ observer: observer, key: key });
             });
             //触发a.**绑定的依赖
@@ -651,7 +651,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                 root = observer,
                 route = key || "";
             while (parent) {
-                _.each(parent._scopeDeps, function (dep) {
+                BI._.each(parent._scopeDeps, function (dep) {
                     dep.notify({ observer: observer, key: key });
                 });
                 if (parent.parentKey != null) {
@@ -674,7 +674,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
     function defineReactive(obj, observer, shallow) {
         var props = {};
         var model = void 0;
-        _.each(obj, function (val, key) {
+        BI._.each(obj, function (val, key) {
             if (key in $$skipArray) {
                 return;
             }
@@ -691,7 +691,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                         dep.depend();
                         if (childOb) {
                             childOb.dep.depend();
-                            if (_.isArray(value)) {
+                            if (BI._.isArray(value)) {
                                 dependArray(value);
                             }
                         }
@@ -740,7 +740,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                     dep.depend();
                     if (childOb) {
                         childOb.dep.depend();
-                        if (_.isArray(value)) {
+                        if (BI._.isArray(value)) {
                             dependArray(value);
                         }
                     }
@@ -767,12 +767,12 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
      * already exist.
      */
     function set(target, key, val) {
-        if (_.isArray(target)) {
+        if (BI._.isArray(target)) {
             target.length = Math.max(target.length, key);
             target.splice(key, 1, val);
             return val;
         }
-        if (_.has(target, key)) {
+        if (BI._.has(target, key)) {
             target[key] = val;
             return val;
         }
@@ -795,12 +795,12 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
      * Delete a property and trigger change if necessary.
      */
     function del(target, key) {
-        if (_.isArray(target)) {
+        if (BI._.isArray(target)) {
             target.splice(key, 1);
             return;
         }
         var ob = target.__ob__;
-        if (!_.has(target, key)) {
+        if (!BI._.has(target, key)) {
             return;
         }
         if (!ob) {
@@ -821,7 +821,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         for (var e, i = 0, l = value.length; i < l; i++) {
             e = value[i];
             e && e.__ob__ && e.__ob__.dep.depend();
-            if (_.isArray(e)) {
+            if (BI._.isArray(e)) {
                 dependArray(e);
             }
         }
@@ -838,7 +838,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
     function runBinaryFunction(binarys) {
         var expr = '';
         for (var i = 0, len = binarys.length; i < len; i++) {
-            if (_.isBoolean(binarys[i]) || _.has(operators, binarys[i])) {
+            if (BI._.isBoolean(binarys[i]) || BI._.has(operators, binarys[i])) {
                 expr += binarys[i];
             } else {
                 expr += 'false';
@@ -863,7 +863,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         options = options || {};
         options.user = true;
         var exps = void 0;
-        if (_.isFunction(expOrFn) || !(exps = expOrFn.match(/[a-zA-Z0-9_.*]+|[|][|]|[&][&]|[(]|[)]/g)) || exps.length === 1 && expOrFn.indexOf("*") < 0) {
+        if (BI._.isFunction(expOrFn) || !(exps = expOrFn.match(/[a-zA-Z0-9BI._.*]+|[|][|]|[&][&]|[(]|[)]/g)) || exps.length === 1 && expOrFn.indexOf("*") < 0) {
             var watcher = new Watcher(model, expOrFn, cb, options);
             if (options.immediate) {
                 cb(watcher.value);
@@ -900,8 +900,8 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                 }
             }
         };
-        _.each(exps, function (exp, i) {
-            if (_.has(operators, exp)) {
+        BI._.each(exps, function (exp, i) {
+            if (BI._.has(operators, exp)) {
                 return;
             }
             if (exp.indexOf("*") >= 0) {
@@ -929,7 +929,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                         _dep.depend();
                         return NaN;
                     }, function (newValue, oldValue, attrs) {
-                        callback(i, newValue, oldValue, _.extend({ index: i }, attrs));
+                        callback(i, newValue, oldValue, BI._.extend({ index: i }, attrs));
                     }, options);
                     watchers.push(function unwatchFn() {
                         _w.teardown();
@@ -955,7 +955,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                     var _regStr = routeToRegExp(exp);
                     var _dep2 = new Dep();
                     _root._globalDeps || (_root._globalDeps = {});
-                    if (_.isArray(_root._globalDeps[_regStr])) {
+                    if (BI._.isArray(_root._globalDeps[_regStr])) {
                         _root._globalDeps[_regStr].push(_dep2);
                     } else {
                         _root._globalDeps[_regStr] = [_dep2];
@@ -965,7 +965,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                         _dep2.depend();
                         return NaN;
                     }, function (newValue, oldValue, attrs) {
-                        callback(i, newValue, oldValue, _.extend({ index: i }, attrs));
+                        callback(i, newValue, oldValue, BI._.extend({ index: i }, attrs));
                     }, options);
                     watchers.push(function unwatchFn() {
                         if (_root._globalDeps) {
@@ -1005,7 +1005,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                 var regStr = routeToRegExp(exp);
                 var dep = new Dep();
                 root._globalDeps || (root._globalDeps = {});
-                if (_.isArray(root._globalDeps[regStr])) {
+                if (BI._.isArray(root._globalDeps[regStr])) {
                     root._globalDeps[regStr].push(dep);
                 } else {
                     root._globalDeps[regStr] = [dep];
@@ -1015,7 +1015,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                     dep.depend();
                     return NaN;
                 }, function (newValue, oldValue, attrs) {
-                    callback(i, newValue, oldValue, _.extend({ index: i }, attrs));
+                    callback(i, newValue, oldValue, BI._.extend({ index: i }, attrs));
                 }, options);
                 watchers.push(function unwatchFn() {
                     if (root._globalDeps) {
@@ -1029,7 +1029,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                 return;
             }
             var watcher = new Watcher(model, exp, function (newValue, oldValue, attrs) {
-                callback(i, newValue, oldValue, _.extend({ index: i }, attrs));
+                callback(i, newValue, oldValue, BI._.extend({ index: i }, attrs));
             }, options);
             watchers.push(function unwatchFn() {
                 watcher.teardown();
@@ -1045,7 +1045,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
     }
 
     function mixin(xtype, cls) {
-        mixinInjection[xtype] = _.cloneDeep(cls);
+        mixinInjection[xtype] = BI._.cloneDeep(cls);
     }
 
     var computedWatcherOptions = { lazy: true };
@@ -1119,7 +1119,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         vm._watchers || (vm._watchers = []);
         for (var key in watch$$1) {
             var handler = watch$$1[key];
-            if (_.isArray(handler)) {
+            if (BI._.isArray(handler)) {
                 for (var i = 0; i < handler.length; i++) {
                     vm._watchers.push(createWatcher(vm, key, handler[i]));
                 }
@@ -1137,27 +1137,27 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         if (typeof cb === 'string') {
             cb = vm[cb];
         }
-        return watch(vm.model, keyOrFn, _.bind(cb, vm.$$model ? vm.model : vm), options);
+        return watch(vm.model, keyOrFn, BI._.bind(cb, vm.$$model ? vm.model : vm), options);
     }
 
     function initMethods(vm, methods) {
         for (var key in methods) {
-            vm[key] = methods[key] == null ? noop : _.bind(methods[key], vm.$$model ? vm.model : vm);
+            vm[key] = methods[key] == null ? noop : BI._.bind(methods[key], vm.$$model ? vm.model : vm);
         }
     }
 
     function initMixins(vm, mixins) {
         mixins = (mixins || []).slice(0);
 
-        _.each(mixins.reverse(), function (mixinType) {
+        BI._.each(mixins.reverse(), function (mixinType) {
             var mixin$$1 = getMixins(mixinType);
 
             for (var key in mixin$$1) {
                 if (typeof mixin$$1[key] !== "function") continue;
 
-                if (_.has(vm, key)) continue;
+                if (BI._.has(vm, key)) continue;
 
-                vm[key] = _.bind(mixin$$1[key], vm.$$model ? vm.model : vm);
+                vm[key] = BI._.bind(mixin$$1[key], vm.$$model ? vm.model : vm);
             }
         });
     }
@@ -1282,7 +1282,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
     function getInjectValues(vm) {
         var inject = vm.inject || [];
         var result = {};
-        _.each(inject, function (key) {
+        BI._.each(inject, function (key) {
             result[key] = getInjectValue(vm, key);
         });
         return result;
@@ -1303,7 +1303,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                 this.options = model || {};
             }
             this._parent = Model.target;
-            var state = _.isFunction(this.state) ? this.state() : this.state;
+            var state = BI._.isFunction(this.state) ? this.state() : this.state;
             var computed = this.computed;
             var context = this.context;
             var inject = this.inject;
@@ -1311,7 +1311,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
             var provide = this.provide;
             var watch$$1 = this.watch;
             var actions = this.actions;
-            var keys = _.keys(this.$$model).concat(_.keys(state)).concat(_.keys(computed)).concat(inject || []).concat(context || []);
+            var keys = BI._.keys(this.$$model).concat(BI._.keys(state)).concat(BI._.keys(computed)).concat(inject || []).concat(context || []);
             var mixins = this.mixins;
             defineProps(this, keys);
             // deprecated
@@ -1320,7 +1320,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
             this.$$model && (this.model.__ob__ = this.$$model.__ob__);
             initMixins(this, mixins);
             this.init();
-            initState(this, _.extend(getInjectValues(this), state));
+            initState(this, BI._.extend(getInjectValues(this), state));
             initComputed(this, computed);
             REACTIVE && initWatch(this, watch$$1);
             initMethods(this, actions);
@@ -1341,9 +1341,9 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
             for (var _key3 in this._computedWatchers) {
                 this._computedWatchers[_key3].teardown();
             }
-            _.each(this._watchers, function (unwatches) {
-                unwatches = _.isArray(unwatches) ? unwatches : [unwatches];
-                _.each(unwatches, function (unwatch) {
+            BI._.each(this._watchers, function (unwatches) {
+                unwatches = BI._.isArray(unwatches) ? unwatches : [unwatches];
+                BI._.each(unwatches, function (unwatch) {
                     unwatch();
                 });
             });
@@ -1373,7 +1373,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
     function toJSON(model) {
         var result = void 0;
-        if (_.isArray(model)) {
+        if (BI._.isArray(model)) {
             result = [];
             for (var i = 0, len = model.length; i < len; i++) {
                 result[i] = toJSON(model[i]);
@@ -1381,7 +1381,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         } else if (model && isPlainObject(model)) {
             result = {};
             for (var _key4 in model) {
-                if (!_.has($$skipArray, _key4)) {
+                if (!BI._.has($$skipArray, _key4)) {
                     result[_key4] = toJSON(model[_key4]);
                 }
             }
@@ -1416,4 +1416,4 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
     exports.toJSON = toJSON;
 
     exports.__esModule = true;
-});
+});
\ No newline at end of file
diff --git a/dist/fix/fix.proxy.js b/dist/fix/fix.proxy.js
index 19eca6178..4a709fb3c 100644
--- a/dist/fix/fix.proxy.js
+++ b/dist/fix/fix.proxy.js
@@ -2,22 +2,16 @@
   typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
   typeof define === 'function' && define.amd ? define(['exports'], factory) :
   (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.Fix = {}));
-}(this, (function (exports) { 'use strict';
+})(this, (function (exports) { 'use strict';
 
   function _typeof(obj) {
     "@babel/helpers - typeof";
 
-    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
-      _typeof = function (obj) {
-        return typeof obj;
-      };
-    } else {
-      _typeof = function (obj) {
-        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-      };
-    }
-
-    return _typeof(obj);
+    return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
+      return typeof obj;
+    } : function (obj) {
+      return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+    }, _typeof(obj);
   }
 
   function _classCallCheck(instance, Constructor) {
@@ -39,6 +33,9 @@
   function _createClass(Constructor, protoProps, staticProps) {
     if (protoProps) _defineProperties(Constructor.prototype, protoProps);
     if (staticProps) _defineProperties(Constructor, staticProps);
+    Object.defineProperty(Constructor, "prototype", {
+      writable: false
+    });
     return Constructor;
   }
 
@@ -542,10 +539,10 @@
     if (type === "clear"
     /* CLEAR */
     ) {
-        // collection being cleared
-        // trigger all effects for target
-        deps = _toConsumableArray(depsMap.values());
-      } else if (key === 'length' && isArray(target)) {
+      // collection being cleared
+      // trigger all effects for target
+      deps = _toConsumableArray(depsMap.values());
+    } else if (key === 'length' && isArray(target)) {
       depsMap.forEach(function (dep, key) {
         if (key === 'length' || key >= newValue) {
           deps.push(dep);
@@ -728,12 +725,12 @@
       if (key === "__v_isReactive"
       /* IS_REACTIVE */
       ) {
-          return !isReadonly;
-        } else if (key === "__v_isReadonly"
+        return !isReadonly;
+      } else if (key === "__v_isReadonly"
       /* IS_READONLY */
       ) {
-          return isReadonly;
-        } else if (key === "__v_raw"
+        return isReadonly;
+      } else if (key === "__v_raw"
       /* RAW */
       && receiver === (isReadonly ? shallow ? shallowReadonlyMap : readonlyMap : shallow ? shallowReactiveMap : reactiveMap).get(target)) {
         return target;
@@ -1217,16 +1214,16 @@
       if (key === "__v_isReactive"
       /* IS_REACTIVE */
       ) {
-          return !isReadonly;
-        } else if (key === "__v_isReadonly"
+        return !isReadonly;
+      } else if (key === "__v_isReadonly"
       /* IS_READONLY */
       ) {
-          return isReadonly;
-        } else if (key === "__v_raw"
+        return isReadonly;
+      } else if (key === "__v_raw"
       /* RAW */
       ) {
-          return target;
-        }
+        return target;
+      }
 
       return Reflect.get(hasOwn(instrumentations, key) && key in target ? instrumentations : target, key, receiver);
     };
@@ -1335,8 +1332,8 @@
     if (targetType === 0
     /* INVALID */
     ) {
-        return target;
-      }
+      return target;
+    }
 
     var proxy = new Proxy(target, targetType === 2
     /* COLLECTION */
@@ -1631,7 +1628,7 @@
     return mixinInjection[type];
   }
   function mixin(xtype, cls) {
-    mixinInjection[xtype] = _.cloneDeep(cls);
+    mixinInjection[xtype] = BI._.cloneDeep(cls);
   }
 
   var queue = [];
@@ -1710,7 +1707,7 @@
   }
 
   function innerWatch(source, cb, options) {
-    if (!_.isFunction(cb)) {
+    if (!BI._.isFunction(cb)) {
       console.warn("`watch(fn, options?)` signature has been moved to a separate API. " + "Use `watchEffect(fn, options?)` instead. `watch` now only " + "supports `watch(source, cb, options?) signature.");
     }
 
@@ -1775,21 +1772,21 @@
       };
 
       deep = true;
-    } else if (_.isArray(source)) {
+    } else if (BI._.isArray(source)) {
       getter = function getter() {
         return source.map(function (s) {
           if (isRef(s)) {
             return s.value;
           } else if (isReactive(s)) {
             return traverse(s);
-          } else if (_.isFunction(s)) {
+          } else if (BI._.isFunction(s)) {
             return s.call(instance);
           } else {
             warnInvalidSource(s);
           }
         });
       };
-    } else if (_.isFunction(source)) {
+    } else if (BI._.isFunction(source)) {
       if (cb) {
         // getter with cb
         getter = function getter() {
@@ -1831,7 +1828,7 @@
       };
     };
 
-    var oldValue = _.isArray(source) ? [] : INITIAL_WATCHER_VALUE;
+    var oldValue = BI._.isArray(source) ? [] : INITIAL_WATCHER_VALUE;
 
     var job = function job() {
       // 这里去掉的原因是，新增属性没有生效也会触发变化监听
@@ -1903,7 +1900,7 @@
   function traverse(value) {
     var seen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : new Set();
 
-    if (!_.isObject(value) || seen.has(value)) {
+    if (!BI._.isObject(value) || seen.has(value)) {
       return value;
     }
 
@@ -1911,7 +1908,7 @@
 
     if (isRef(value)) {
       traverse(value.value, seen);
-    } else if (_.isArray(value)) {
+    } else if (BI._.isArray(value)) {
       for (var i = 0; i < value.length; i++) {
         traverse(value[i], seen);
       }
@@ -1940,7 +1937,7 @@
     var expr = "";
 
     for (var i = 0, len = binarys.length; i < len; i++) {
-      if (_.isBoolean(binarys[i]) || _.has(operators, binarys[i])) {
+      if (BI._.isBoolean(binarys[i]) || BI._.has(operators, binarys[i])) {
         expr += binarys[i];
       } else {
         expr += "false";
@@ -1953,7 +1950,7 @@
   function watchExp(model, getter) {
     var result = getter.call(model, model);
 
-    if (_.isArray(result)) {
+    if (BI._.isArray(result)) {
       return result.concat();
     }
 
@@ -1974,14 +1971,14 @@
     options.user = true;
     var exps;
 
-    if (_.isFunction(expOrFn)) {
+    if (BI._.isFunction(expOrFn)) {
       var watcher = innerWatch(expOrFn, cb, options);
       return function unwatchFn() {
         watcher();
       };
     }
 
-    if (!(exps = expOrFn.match(/[a-zA-Z0-9_.*]+|[|][|]|[&][&]|[(]|[)]/g)) || exps.length === 1 && !/\*/.test(expOrFn)) {
+    if (!(exps = expOrFn.match(/[a-zA-Z0-9BI._.*]+|[|][|]|[&][&]|[(]|[)]/g)) || exps.length === 1 && !/\*/.test(expOrFn)) {
       var paths = expOrFn.split(".");
       var prePaths = paths.slice(0, paths.length - 1);
       var preGetter = parsePath(prePaths.join("."));
@@ -2030,8 +2027,8 @@
       }
     };
 
-    _.each(exps, function (exp, i) {
-      if (_.has(operators, exp)) {
+    BI._.each(exps, function (exp, i) {
+      if (BI._.has(operators, exp)) {
         return;
       }
 
@@ -2079,14 +2076,14 @@
             return watchExp(_v2, _getter);
           }, function (newValue, oldValue) {
             // a.** 在a变化的时候不会触发change
-            if (!_.isArray(newValue) && oldValue !== newValue) {
+            if (!BI._.isArray(newValue) && oldValue !== newValue) {
               return;
             }
 
-            callback(i, NaN, NaN, _.extend({
+            callback(i, NaN, NaN, BI._.extend({
               index: i
             }));
-          }, _.extend({
+          }, BI._.extend({
             deep: true
           }, options)));
           return;
@@ -2145,11 +2142,11 @@
           changes = [];
 
           if (newValue === true) {
-            callback(i, NaN, NaN, _.extend({
+            callback(i, NaN, NaN, BI._.extend({
               index: i
             }));
           }
-        }, _.extend({}, options, {
+        }, BI._.extend({}, options, {
           deep: true,
           onTrigger: function onTrigger(_ref) {
             var target = _ref.target,
@@ -2167,7 +2164,7 @@
       watchers.push(innerWatch(function () {
         return watchExp(model, getter);
       }, function (newValue, oldValue) {
-        callback(i, newValue, oldValue, _.extend({
+        callback(i, newValue, oldValue, BI._.extend({
           index: i
         }));
       }, options));
@@ -2188,7 +2185,7 @@
     var $$computed = vm.$$computed = {};
 
     for (var key in c) {
-      $$computed[key] = computed(_.bind(c[key], vm));
+      $$computed[key] = computed(BI._.bind(c[key], vm));
     }
   }
 
@@ -2198,7 +2195,7 @@
     for (var key in watch) {
       var handler = watch[key];
 
-      if (_.isArray(handler)) {
+      if (BI._.isArray(handler)) {
         for (var i = 0; i < handler.length; i++) {
           vm._watchers.push(createWatcher(vm, key, handler[i]));
         }
@@ -2218,25 +2215,25 @@
       cb = vm[cb];
     }
 
-    return watch(vm.model, keyOrFn, _.bind(cb, vm), options);
+    return watch(vm.model, keyOrFn, BI._.bind(cb, vm), options);
   }
 
   function initMethods(vm, methods) {
     for (var key in methods) {
-      vm[key] = methods[key] == null ? noop : _.bind(methods[key], vm);
+      vm[key] = methods[key] == null ? noop : BI._.bind(methods[key], vm);
     }
   }
 
   function initMixins(vm, mixins) {
     mixins = (mixins || []).slice(0);
 
-    _.each(mixins.reverse(), function (mixinType) {
+    BI._.each(mixins.reverse(), function (mixinType) {
       var mixin = getMixins(mixinType);
 
       for (var key in mixin) {
         if (typeof mixin[key] !== "function") continue;
-        if (_.has(vm, key)) continue;
-        vm[key] = _.bind(mixin[key], vm);
+        if (BI._.has(vm, key)) continue;
+        vm[key] = BI._.bind(mixin[key], vm);
       }
     });
   }
@@ -2329,7 +2326,7 @@
     var inject = vm.inject || [];
     var result = {};
 
-    _.each(inject, function (key) {
+    BI._.each(inject, function (key) {
       result[key] = getInjectValue(vm, key);
     });
 
@@ -2346,7 +2343,7 @@
       value: function _constructor(options, destroyHandler) {
         this.options = options || {};
         this._parent = Model.target;
-        var state = _.isFunction(this.state) ? this.state() : this.state;
+        var state = BI._.isFunction(this.state) ? this.state() : this.state;
         var computed = this.computed;
         var context = this.context;
         var inject = this.inject;
@@ -2354,14 +2351,14 @@
         var watch = this.watch;
         var actions = this.actions;
 
-        _.keys(state).concat(_.keys(computed)).concat(inject || []).concat(context || []);
+        BI._.keys(state).concat(BI._.keys(computed)).concat(inject || []).concat(context || []);
 
         var mixins = this.mixins;
         defineProps(this);
         childContext && defineContext(this, childContext);
         initMixins(this, mixins);
         this.init();
-        initState(this, _.extend(getInjectValues(this), state));
+        initState(this, BI._.extend(getInjectValues(this), state));
         initComputed(this, computed);
         REACTIVE && initWatch(this, watch);
         initMethods(this, actions);
@@ -2379,10 +2376,10 @@
     }, {
       key: "destroy",
       value: function destroy() {
-        _.each(this._watchers, function (unwatches) {
-          unwatches = _.isArray(unwatches) ? unwatches : [unwatches];
+        BI._.each(this._watchers, function (unwatches) {
+          unwatches = BI._.isArray(unwatches) ? unwatches : [unwatches];
 
-          _.each(unwatches, function (unwatch) {
+          BI._.each(unwatches, function (unwatch) {
             unwatch();
           });
         });
@@ -2398,7 +2395,7 @@
     return Model;
   }();
   function set(target, key, val) {
-    if (_.isArray(target)) {
+    if (BI._.isArray(target)) {
       target.length = Math.max(target.length, key);
       target.splice(key, 1, val);
       return val;
@@ -2416,12 +2413,12 @@
     return value;
   }
   function del(target, key) {
-    if (_.isArray(target)) {
+    if (BI._.isArray(target)) {
       target.splice(key, 1);
       return;
     }
 
-    if (!_.has(target, key)) {
+    if (!BI._.has(target, key)) {
       return;
     }
 
@@ -2441,7 +2438,7 @@
   function toJSON(model) {
     var result;
 
-    if (_.isArray(model)) {
+    if (BI._.isArray(model)) {
       result = [];
 
       for (var i = 0, len = model.length; i < len; i++) {
@@ -2475,4 +2472,4 @@
 
   Object.defineProperty(exports, '__esModule', { value: true });
 
-})));
+}));
diff --git a/package.json b/package.json
index b5b64a274..8a4760cc4 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "fineui",
   "version": "2.0.20220623215302",
   "description": "fineui",
-  "main": "dist/fineui.min.js",
+  "main": "dist/fineui_without_conflict.min.js",
   "types": "dist/lib/index.d.ts",
   "devDependencies": {
     "@babel/core": "^7.17.4",
diff --git a/src/core/1.lodash.js b/src/core/1.lodash.js
index cab97c0d2..8be57fe24 100644
--- a/src/core/1.lodash.js
+++ b/src/core/1.lodash.js
@@ -10253,7 +10253,7 @@
     // loaded by a script tag in the presence of an AMD loader.
     // See http://requirejs.org/docs/errors.html#mismatch for more details.
     // Use `_.noConflict` to remove Lodash from the global object.
-    root._ = lodash;
+    BI._ = lodash;
 
     // Define as an anonymous module so, through path mapping, it can be
     // referenced as the "underscore" module.
@@ -10270,6 +10270,6 @@
   }
   else {
     // Export to the global object.
-    root._ = lodash;
+    BI._ = lodash;
   }
 }.call(this));
diff --git a/src/core/2.base.js b/src/core/2.base.js
index ba2d9ec77..4ab530629 100644
--- a/src/core/2.base.js
+++ b/src/core/2.base.js
@@ -11,19 +11,19 @@
     };
     var _apply = function (name) {
         return function () {
-            return _[name].apply(_, arguments);
+            return BI._[name].apply(BI._, arguments);
         };
     };
     var _applyFunc = function (name) {
         return function () {
             var args = Array.prototype.slice.call(arguments, 0);
-            args[1] = _.isFunction(args[1]) ? traverse(args[1], args[2]) : args[1];
-            return _[name].apply(_, args);
+            args[1] = BI._.isFunction(args[1]) ? traverse(args[1], args[2]) : args[1];
+            return BI._[name].apply(BI._, args);
         };
     };
 
     // Utility
-    _.extend(BI, {
+    BI._.extend(BI, {
         assert: function (v, is) {
             if (this.isFunction(is)) {
                 if (!is(v)) {
@@ -146,10 +146,10 @@
     });
 
     // 集合相关方法
-    _.each(["where", "findWhere", "invoke", "pluck", "shuffle", "sample", "toArray", "size"], function (name) {
+    BI._.each(["where", "findWhere", "invoke", "pluck", "shuffle", "sample", "toArray", "size"], function (name) {
         BI[name] = _apply(name);
     });
-    _.each(["get", "set", "each", "map", "reduce", "reduceRight", "find", "filter", "reject", "every", "all", "some", "any", "max", "min",
+    BI._.each(["get", "set", "each", "map", "reduce", "reduceRight", "find", "filter", "reject", "every", "all", "some", "any", "max", "min",
         "sortBy", "groupBy", "indexBy", "countBy", "partition", "clamp"], function (name) {
         if (name === "any") {
             BI[name] = _applyFunc("some");
@@ -157,7 +157,7 @@
             BI[name] = _applyFunc(name);
         }
     });
-    _.extend(BI, {
+    BI._.extend(BI, {
         // 数数
         count: function (from, to, predicate) {
             var t;
@@ -217,10 +217,10 @@
                 }).join("");
             }
             if (BI.isArray(obj1)) {
-                return _.concat.apply([], arguments);
+                return BI._.concat.apply([], arguments);
             }
             if (BI.isObject(obj1)) {
-                return _.extend.apply({}, arguments);
+                return BI._.extend.apply({}, arguments);
             }
         },
 
@@ -254,7 +254,7 @@
 
         backFindKey: function (obj, predicate, context) {
             predicate = BI.iteratee(predicate, context);
-            var keys = _.keys(obj), key;
+            var keys = BI._.keys(obj), key;
             for (var i = keys.length - 1; i >= 0; i--) {
                 key = keys[i];
                 if (predicate(obj[key], key, obj)) {
@@ -347,14 +347,14 @@
     });
 
     // 数组相关的方法
-    _.each(["first", "initial", "last", "rest", "compact", "flatten", "without", "union", "intersection",
+    BI._.each(["first", "initial", "last", "rest", "compact", "flatten", "without", "union", "intersection",
         "difference", "zip", "unzip", "object", "indexOf", "lastIndexOf", "sortedIndex", "range", "take", "takeRight", "uniqBy"], function (name) {
         BI[name] = _apply(name);
     });
-    _.each(["findIndex", "findLastIndex"], function (name) {
+    BI._.each(["findIndex", "findLastIndex"], function (name) {
         BI[name] = _applyFunc(name);
     });
-    _.extend(BI, {
+    BI._.extend(BI, {
         // 构建一个长度为length的数组
         makeArray: function (length, value) {
             var res = [];
@@ -401,27 +401,27 @@
             if (array == null) {
                 return [];
             }
-            if (!_.isBoolean(isSorted)) {
+            if (!BI._.isBoolean(isSorted)) {
                 context = iteratee;
                 iteratee = isSorted;
                 isSorted = false;
             }
             iteratee && (iteratee = traverse(iteratee, context));
-            return _.uniq.call(_, array, isSorted, iteratee, context);
+            return BI._.uniq.call(BI._, array, isSorted, iteratee, context);
         }
     });
 
     // 对象相关方法
-    _.each(["keys", "allKeys", "values", "pairs", "invert", "create", "functions", "extend", "extendOwn",
+    BI._.each(["keys", "allKeys", "values", "pairs", "invert", "create", "functions", "extend", "extendOwn",
         "defaults", "clone", "property", "propertyOf", "matcher", "isEqual", "isMatch", "isEmpty",
         "isElement", "isNumber", "isString", "isArray", "isObject", "isPlainObject", "isArguments", "isFunction", "isFinite",
         "isBoolean", "isDate", "isRegExp", "isError", "isNaN", "isUndefined", "zipObject", "cloneDeep"], function (name) {
         BI[name] = _apply(name);
     });
-    _.each(["mapObject", "findKey", "pick", "omit", "tap"], function (name) {
+    BI._.each(["mapObject", "findKey", "pick", "omit", "tap"], function (name) {
         BI[name] = _applyFunc(name);
     });
-    _.extend(BI, {
+    BI._.extend(BI, {
 
         inherit: function (sp, overrides) {
             var sb = function () {
@@ -432,7 +432,7 @@
             F.prototype = spp;
             sb.prototype = new F();
             sb.superclass = spp;
-            _.extend(sb.prototype, overrides, {
+            BI._.extend(sb.prototype, overrides, {
                 superclass: sp
             });
             return sb;
@@ -455,10 +455,10 @@
                     return false;
                 }
                 return BI.every(keys, function (i, key) {
-                    return _.has(obj, key);
+                    return BI._.has(obj, key);
                 });
             }
-            return _.has.apply(_, arguments);
+            return BI._.has.apply(BI._, arguments);
         },
 
         freeze: function (value) {
@@ -528,9 +528,9 @@
     });
 
     // deep方法
-    _.extend(BI, {
-        deepClone: _.cloneDeep,
-        deepExtend: _.merge,
+    BI._.extend(BI, {
+        deepClone: BI._.cloneDeep,
+        deepExtend: BI._.merge,
 
         isDeepMatch: function (object, attrs) {
             var keys = BI.keys(attrs), length = keys.length;
@@ -548,8 +548,8 @@
         },
 
         contains: function (obj, target, fromIndex) {
-            if (!_.isArrayLike(obj)) obj = _.values(obj);
-            return _.indexOf(obj, target, typeof fromIndex === "number" && fromIndex) >= 0;
+            if (!BI._.isArrayLike(obj)) obj = BI._.values(obj);
+            return BI._.indexOf(obj, target, typeof fromIndex === "number" && fromIndex) >= 0;
         },
 
         deepContains: function (obj, copy) {
@@ -647,20 +647,20 @@
     });
 
     // 通用方法
-    _.each(["uniqueId", "result", "chain", "iteratee", "escape", "unescape", "before", "after"], function (name) {
+    BI._.each(["uniqueId", "result", "chain", "iteratee", "escape", "unescape", "before", "after"], function (name) {
         BI[name] = function () {
-            return _[name].apply(_, arguments);
+            return BI._[name].apply(BI._, arguments);
         };
     });
 
     // 事件相关方法
-    _.each(["bind", "once", "partial", "debounce", "throttle", "delay", "defer", "wrap"], function (name) {
+    BI._.each(["bind", "once", "partial", "debounce", "throttle", "delay", "defer", "wrap"], function (name) {
         BI[name] = function () {
-            return _[name].apply(_, arguments);
+            return BI._[name].apply(BI._, arguments);
         };
     });
 
-    _.extend(BI, {
+    BI._.extend(BI, {
         nextTick: (function () {
             var callbacks = [];
             var pending = false;
@@ -731,10 +731,10 @@
     });
 
     // 数字相关方法
-    _.each(["random"], function (name) {
+    BI._.each(["random"], function (name) {
         BI[name] = _apply(name);
     });
-    _.extend(BI, {
+    BI._.extend(BI, {
 
         parseInt: function (number) {
             var radix = 10;
@@ -837,9 +837,9 @@
     });
 
     // 字符串相关方法
-    _.extend(BI, {
+    BI._.extend(BI, {
         trim: function () {
-            return _.trim.apply(_, arguments);
+            return BI._.trim.apply(BI._, arguments);
         },
 
         toUpperCase: function (string) {
@@ -965,7 +965,7 @@
     });
 
     // 日期相关方法
-    _.extend(BI, {
+    BI._.extend(BI, {
         /**
          * 是否是闰年
          * @param year
diff --git a/src/core/3.ob.js b/src/core/3.ob.js
index 2c21a11fb..30b6ce536 100644
--- a/src/core/3.ob.js
+++ b/src/core/3.ob.js
@@ -31,7 +31,7 @@
     var OB = function (config) {
         this._constructor(config);
     };
-    _.extend(OB.prototype, {
+    BI._.extend(OB.prototype, {
         props: {},
         init: null,
         destroyed: null,
@@ -66,12 +66,12 @@
         _initListeners: function () {
             var self = this;
             if (this.options.listeners != null) {
-                _.each(this.options.listeners, function (lis, eventName) {
-                    if (_.isFunction(lis)) {
+                BI._.each(this.options.listeners, function (lis, eventName) {
+                    if (BI._.isFunction(lis)) {
                         self.on(eventName, lis);
                         return;
                     }
-                    (lis.target ? lis.target : self)[lis.once ? "once" : "on"](lis.eventName, _.bind(lis.action, self));
+                    (lis.target ? lis.target : self)[lis.once ? "once" : "on"](lis.eventName, BI._.bind(lis.action, self));
                 });
                 delete this.options.listeners;
             }
@@ -100,7 +100,7 @@
         },
 
         _getEvents: function () {
-            if (!_.isObject(this.events)) {
+            if (!BI._.isObject(this.events)) {
                 this.events = {};
             }
             return this.events;
@@ -115,7 +115,7 @@
             var self = this;
             eventName = eventName.toLowerCase();
             var fns = this._getEvents()[eventName];
-            if (!_.isArray(fns)) {
+            if (!BI._.isArray(fns)) {
                 fns = [];
                 this._getEvents()[eventName] = fns;
             }
@@ -151,9 +151,9 @@
                 delete this._getEvents()[eventName];
             } else {
                 var fns = this._getEvents()[eventName];
-                if (_.isArray(fns)) {
+                if (BI._.isArray(fns)) {
                     var newFns = [];
-                    _.each(fns, function (ifn) {
+                    BI._.each(fns, function (ifn) {
                         if (ifn != fn) {
                             newFns.push(ifn);
                         }
diff --git a/src/core/5.inject.js b/src/core/5.inject.js
index 2bc662e18..3e606f1a7 100644
--- a/src/core/5.inject.js
+++ b/src/core/5.inject.js
@@ -10,27 +10,29 @@
     BI.module = BI.module || function (xtype, cls) {
         if (moduleInjection[xtype] != null) {
             _global.console && console.error("module： [" + xtype + "] 已经注册过了");
-        }
-        if (BI.isFunction(cls)) {
-            cls = cls();
-        }
-        for (var k in moduleInjectionMap) {
-            if (cls[k]) {
-                for (var key in cls[k]) {
-                    if (!moduleInjectionMap[k]) {
-                        continue;
-                    }
-                    if (!moduleInjectionMap[k][key]) {
-                        moduleInjectionMap[k][key] = [];
+        } else {
+            if (BI.isFunction(cls)) {
+                cls = cls();
+            }
+            for (var k in moduleInjectionMap) {
+                if (cls[k]) {
+                    for (var key in cls[k]) {
+                        if (!moduleInjectionMap[k]) {
+                            continue;
+                        }
+                        if (!moduleInjectionMap[k][key]) {
+                            moduleInjectionMap[k][key] = [];
+                        }
+                        moduleInjectionMap[k][key].push({
+                            version: cls[k][key],
+                            moduleId: xtype
+                        });
                     }
-                    moduleInjectionMap[k][key].push({
-                        version: cls[k][key],
-                        moduleId: xtype
-                    });
                 }
             }
+            moduleInjection[xtype] = cls;
         }
-        moduleInjection[xtype] = cls;
+        
         return function () {
             return BI.Modules.getModule(xtype);
         };
@@ -40,8 +42,10 @@
     BI.constant = BI.constant || function (xtype, cls) {
         if (constantInjection[xtype] != null) {
             _global.console && console.error("constant: [" + xtype + "]已经注册过了");
+        } else {
+            constantInjection[xtype] = cls;
         }
-        constantInjection[xtype] = cls;
+        
         return function () {
             return BI.Constants.getConstant(xtype);
         };
@@ -51,8 +55,10 @@
     BI.model = BI.model || function (xtype, cls) {
         if (modelInjection[xtype] != null) {
             _global.console && console.error("model: [" + xtype + "] 已经注册过了");
+        } else {
+            modelInjection[xtype] = cls;
         }
-        modelInjection[xtype] = cls;
+        
         return function (config) {
             return BI.Models.getModel(xtype, config);
         };
@@ -62,8 +68,10 @@
     BI.store = BI.store || function (xtype, cls) {
         if (storeInjection[xtype] != null) {
             _global.console && console.error("store: [" + xtype + "] 已经注册过了");
+        } else {
+            storeInjection[xtype] = cls;
         }
-        storeInjection[xtype] = cls;
+        
         return function (config) {
             return BI.Stores.getStore(xtype, config);
         };
@@ -73,8 +81,10 @@
     BI.service = BI.service || function (xtype, cls) {
         if (serviceInjection[xtype] != null) {
             _global.console && console.error("service: [" + xtype + "] 已经注册过了");
+        } else {
+            serviceInjection[xtype] = cls;
         }
-        serviceInjection[xtype] = cls;
+        
         return function (config) {
             return BI.Services.getService(xtype, config);
         };
@@ -84,8 +94,10 @@
     BI.provider = BI.provider || function (xtype, cls) {
         if (providerInjection[xtype] != null) {
             _global.console && console.error("provider: [" + xtype + "] 已经注册过了");
+        } else {
+            providerInjection[xtype] = cls;
         }
-        providerInjection[xtype] = cls;
+        
         return function (config) {
             return BI.Providers.getProvider(xtype, config);
         };
@@ -390,6 +402,8 @@
     BI.shortcut = BI.component = BI.shortcut || function (xtype, cls) {
         if (kv[xtype] != null) {
             _global.console && console.error("组件： [" + xtype + "] 已经注册过了");
+
+            return;
         }
         if (cls) {
             cls["xtype"] = xtype;
diff --git a/src/core/conflict.js b/src/core/conflict.js
new file mode 100644
index 000000000..e478c567d
--- /dev/null
+++ b/src/core/conflict.js
@@ -0,0 +1,7 @@
+
+if (!window.$ && !window.jQuery) {
+    window.jQuery = window.$ = BI.jQuery;
+}
+if (!window._) {
+    window._ = BI._;
+}
diff --git a/src/core/constant/events.js b/src/core/constant/events.js
index 5e1abba85..76eb97021 100644
--- a/src/core/constant/events.js
+++ b/src/core/constant/events.js
@@ -2,7 +2,7 @@
  * 事件集合
  * @class BI.Events
  */
-_.extend(BI, {
+BI._.extend(BI, {
     Events: {
 
         /**
diff --git a/src/core/constant/var.js b/src/core/constant/var.js
index cc767737b..ac5755e45 100644
--- a/src/core/constant/var.js
+++ b/src/core/constant/var.js
@@ -2,7 +2,7 @@
  * 常量
  */
 
-_.extend(BI, {
+BI._.extend(BI, {
     MAX: 0xfffffffffffffff,
     MIN: -0xfffffffffffffff,
     EVENT_RESPONSE_TIME: 200,
diff --git a/src/core/func/alias.js b/src/core/func/alias.js
index 3738a83ea..e30d88c24 100644
--- a/src/core/func/alias.js
+++ b/src/core/func/alias.js
@@ -450,7 +450,7 @@
     BI.cjkEncodeDO = function (o) {
         if (BI.isPlainObject(o)) {
             var result = {};
-            _.each(o, function (v, k) {
+            BI._.each(o, function (v, k) {
                 if (!(typeof v === "string")) {
                     v = BI.jsonEncode(v);
                 }
@@ -603,7 +603,7 @@
                 return new Date(o.__time__);
             }
             for (var a in o) {
-                if (o[a] == o || typeof o[a] === "object" || _.isFunction(o[a])) {
+                if (o[a] == o || typeof o[a] === "object" || BI._.isFunction(o[a])) {
                     break;
                 }
                 o[a] = arguments.callee(o[a]);
diff --git a/src/core/func/array.js b/src/core/func/array.js
index 7111530f4..a96292352 100644
--- a/src/core/func/array.js
+++ b/src/core/func/array.js
@@ -2,7 +2,7 @@
  * 对数组对象的扩展
  * @class Array
  */
-_.extend(BI, {
+BI._.extend(BI, {
 
     pushArray: function (sArray, array) {
         for (var i = 0; i < array.length; i++) {
diff --git a/src/core/func/date.js b/src/core/func/date.js
index 2b7554079..74bf3bea7 100644
--- a/src/core/func/date.js
+++ b/src/core/func/date.js
@@ -6,7 +6,7 @@ BI.Date.HOUR = 60 * BI.Date.MINUTE;
 BI.Date.DAY = 24 * BI.Date.HOUR;
 BI.Date.WEEK = 7 * BI.Date.DAY;
 
-_.extend(BI, {
+BI._.extend(BI, {
     /**
      * 获取时区
      * @returns {String}
diff --git a/src/core/func/function.js b/src/core/func/function.js
index 2d3f9a3e8..83d58c5ec 100644
--- a/src/core/func/function.js
+++ b/src/core/func/function.js
@@ -3,7 +3,7 @@
  * Created by GUY on 2015/6/24.
  */
 BI.Func = BI.Func || {};
-_.extend(BI.Func, {
+BI._.extend(BI.Func, {
     /**
      * 创建唯一的名字
      * @param array
@@ -143,7 +143,7 @@ _.extend(BI.Func, {
     }
 });
 
-_.extend(BI, {
+BI._.extend(BI, {
     beforeFunc: function (sFunc, func) {
         var __self = sFunc;
         return function () {
diff --git a/src/core/func/number.js b/src/core/func/number.js
index 17083caa3..59021349f 100644
--- a/src/core/func/number.js
+++ b/src/core/func/number.js
@@ -1,4 +1,4 @@
-_.extend(BI, {
+BI._.extend(BI, {
     // 给Number类型增加一个add方法，调用起来更加方便。
     add: function (num, arg) {
         return accAdd(arg, num);
diff --git a/src/core/func/string.js b/src/core/func/string.js
index e4b613f6d..55a89e63f 100644
--- a/src/core/func/string.js
+++ b/src/core/func/string.js
@@ -2,7 +2,7 @@
  * 对字符串对象的扩展
  * @class String
  */
-_.extend(BI, {
+BI._.extend(BI, {
 
     /**
      * 判断字符串是否已指定的字符串开始
@@ -65,7 +65,7 @@ _.extend(BI, {
         } else {
             src += "&";
         }
-        _.each(paras, function (value, name) {
+        BI._.each(paras, function (value, name) {
             if (typeof(name) === "string") {
                 src += name + "=" + value + "&";
             }
diff --git a/src/core/platform/web/function.js b/src/core/platform/web/function.js
index faa40307b..230fc6ad5 100644
--- a/src/core/platform/web/function.js
+++ b/src/core/platform/web/function.js
@@ -1,5 +1,5 @@
 // 浏览器相关方法
-_.extend(BI, {
+BI._.extend(BI, {
     isIE: function () {
         if(!_global.navigator) {
             return false;
diff --git a/src/core/platform/web/jquery/_jquery.js b/src/core/platform/web/jquery/_jquery.js
index 48adf702e..8c83f4356 100644
--- a/src/core/platform/web/jquery/_jquery.js
+++ b/src/core/platform/web/jquery/_jquery.js
@@ -11012,10 +11012,6 @@
 // Expose jQuery and $ identifiers, even in
 // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
 // and CommonJS for browser emulators (#13566)
-	if (!window.$ && !window.jQuery) {
-		window.jQuery = window.$ = jQuery;
-	}
-
 	BI.jQuery = BI.$ = jQuery;
 
 	return jQuery;
diff --git a/src/core/platform/web/load.js b/src/core/platform/web/load.js
index a3278cd39..f367b8cf6 100644
--- a/src/core/platform/web/load.js
+++ b/src/core/platform/web/load.js
@@ -1,4 +1,4 @@
-_.extend(BI, {
+BI._.extend(BI, {
     $import: function () {
         var _LOADED = {}; // alex:保存加载过的
         function loadReady (src, must) {
diff --git a/src/core/plugin.js b/src/core/plugin.js
index 50109a40c..bbfd5e5ac 100644
--- a/src/core/plugin.js
+++ b/src/core/plugin.js
@@ -36,8 +36,8 @@ BI.Plugin = BI.Plugin || {};
         },
 
         config: function (widgetConfigFn, objectConfigFn) {
-            _GlobalWidgetConfigFns = _GlobalWidgetConfigFns.concat(_.isArray(widgetConfigFn) ? widgetConfigFn : [widgetConfigFn]);
-            __GlobalObjectConfigFns = __GlobalObjectConfigFns.concat(_.isArray(objectConfigFn) ? objectConfigFn : [objectConfigFn]);
+            _GlobalWidgetConfigFns = _GlobalWidgetConfigFns.concat(BI._.isArray(widgetConfigFn) ? widgetConfigFn : [widgetConfigFn]);
+            __GlobalObjectConfigFns = __GlobalObjectConfigFns.concat(BI._.isArray(objectConfigFn) ? objectConfigFn : [objectConfigFn]);
         },
 
         configWidget: function (type, fn, opt) {
diff --git a/src/core/structure/aes.js b/src/core/structure/aes.js
index fcb9c54c5..ec5d6b86a 100644
--- a/src/core/structure/aes.js
+++ b/src/core/structure/aes.js
@@ -2308,7 +2308,7 @@
     }());
 
 
-    _.extend(BI, {
+    BI._.extend(BI, {
         /**
          * aes加密方法
          * aes-128-ecb
diff --git a/src/core/structure/base64.js b/src/core/structure/base64.js
index 4974133ce..976fbab9e 100644
--- a/src/core/structure/base64.js
+++ b/src/core/structure/base64.js
@@ -57,7 +57,7 @@
         return string;
     };
 
-    _.extend(BI, {
+    BI._.extend(BI, {
 
         encode: function (input) {
             var output = "";
diff --git a/src/core/utils/chinesePY.js b/src/core/utils/chinesePY.js
index d1b5ab17f..b22cd94cb 100644
--- a/src/core/utils/chinesePY.js
+++ b/src/core/utils/chinesePY.js
@@ -422,7 +422,7 @@
         return arrRslt.join(splitChar || "").toLowerCase();
     };
 
-    _.extend(BI, {
+    BI._.extend(BI, {
         makeFirstPY: function (str, options) {
             options = options || {};
             if (typeof (str) !== "string") {return "" + str;}
diff --git a/src/core/utils/i18n.js b/src/core/utils/i18n.js
index 0dbf0a1a9..9cec7cc48 100644
--- a/src/core/utils/i18n.js
+++ b/src/core/utils/i18n.js
@@ -1,6 +1,6 @@
 !(function () {
     var i18nStore = {};
-    _.extend(BI, {
+    BI._.extend(BI, {
         changeI18n: function (i18n) {
             if (i18n) {
                 i18nStore = i18n;
diff --git a/src/core/wrapper/layout.js b/src/core/wrapper/layout.js
index 7a41ee0ae..5b83ff432 100644
--- a/src/core/wrapper/layout.js
+++ b/src/core/wrapper/layout.js
@@ -224,14 +224,14 @@ BI.Layout = BI.inherit(BI.Widget, {
                     }
                 }
             } else {
-                var keys = _.keys(a), key;
+                var keys = BI._.keys(a), key;
                 length = keys.length;
-                if (_.keys(b).length !== length) {
+                if (BI._.keys(b).length !== length) {
                     return false;
                 }
                 while (length--) {
                     key = keys[length];
-                    if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) {
+                    if (!(BI._.has(b, key) && eq(a[key], b[key], aStack, bStack))) {
                         return false;
                     }
                 }
diff --git a/src/router/0.router.js b/src/router/0.router.js
index 279289fc0..adf48b1bc 100644
--- a/src/router/0.router.js
+++ b/src/router/0.router.js
@@ -16,7 +16,7 @@
         once: function (name, callback, context) {
             if (!eventsApi(this, "once", name, [callback, context]) || !callback) return this;
             var self = this;
-            var once = _.once(function () {
+            var once = BI._.once(function () {
                 self.off(name, once);
                 callback.apply(this, arguments);
             });
@@ -37,7 +37,7 @@
                 return this;
             }
 
-            var names = name ? [name] : _.keys(this._events);
+            var names = name ? [name] : BI._.keys(this._events);
             for (var i = 0, length = names.length; i < length; i++) {
                 name = names[i];
 
@@ -103,7 +103,7 @@
         // listening to.
         listenTo: function (obj, name, callback) {
             var listeningTo = this._listeningTo || (this._listeningTo = {});
-            var id = obj._listenId || (obj._listenId = _.uniqueId("l"));
+            var id = obj._listenId || (obj._listenId = BI._.uniqueId("l"));
             listeningTo[id] = obj;
             if (!callback && typeof name === "object") callback = this;
             obj.on(name, callback, this);
@@ -123,7 +123,7 @@
                 return this;
             }
             if (!callback) return this;
-            var once = _.once(function () {
+            var once = BI._.once(function () {
                 this.stopListening(obj, name, once);
                 callback.apply(this, arguments);
             });
@@ -142,7 +142,7 @@
             for (var id in listeningTo) {
                 obj = listeningTo[id];
                 obj.off(name, callback, this);
-                if (remove || _.isEmpty(obj._events)) delete this._listeningTo[id];
+                if (remove || BI._.isEmpty(obj._events)) delete this._listeningTo[id];
             }
             return this;
         }
@@ -222,7 +222,7 @@
     var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
 
     // Set up all inheritable **BI.Router** properties and methods.
-    _.extend(Router.prototype, Events, {
+    BI._.extend(Router.prototype, Events, {
 
         // _init is an empty function by default. Override it with your own
         // initialization logic.
@@ -236,8 +236,8 @@
         //     });
         //
         route: function (route, name, callback) {
-            if (!_.isRegExp(route)) route = this._routeToRegExp(route);
-            if (_.isFunction(name)) {
+            if (!BI._.isRegExp(route)) route = this._routeToRegExp(route);
+            if (BI._.isFunction(name)) {
                 callback = name;
                 name = "";
             }
@@ -271,8 +271,8 @@
         // routes can be defined at the bottom of the route map.
         _bindRoutes: function () {
             if (!this.routes) return;
-            this.routes = _.result(this, "routes");
-            var route, routes = _.keys(this.routes);
+            this.routes = BI._.result(this, "routes");
+            var route, routes = BI._.keys(this.routes);
             while ((route = routes.pop()) != null) {
                 this.route(route, this.routes[route]);
             }
@@ -295,7 +295,7 @@
         // treated as `null` to normalize cross-browser behavior.
         _extractParameters: function (route, fragment) {
             var params = route.exec(fragment).slice(1);
-            return _.map(params, function (param, i) {
+            return BI._.map(params, function (param, i) {
                 // Don't decode the search params.
                 if (i === params.length - 1) return param || null;
                 var resultParam = null;
@@ -322,7 +322,7 @@
     // falls back to polling.
     var History = function () {
         this.handlers = [];
-        this.checkUrl = _.bind(this.checkUrl, this);
+        this.checkUrl = BI._.bind(this.checkUrl, this);
 
         // Ensure that `History` can be used outside of the browser.
         if (typeof window !== "undefined") {
@@ -344,7 +344,7 @@
     History.started = false;
 
     // Set up all inheritable **BI.History** properties and methods.
-    _.extend(History.prototype, Events, {
+    BI._.extend(History.prototype, Events, {
 
         // The default interval to poll for hash changes, if necessary, is
         // twenty times a second.
@@ -402,7 +402,7 @@
 
             // Figure out the initial configuration. Do we need an iframe?
             // Is pushState desired ... is it available?
-            this.options = _.extend({root: "/"}, this.options, options);
+            this.options = BI._.extend({root: "/"}, this.options, options);
             this.root = this.options.root;
             this._wantsHashChange = this.options.hashChange !== false;
             this._hasHashChange = "onhashchange" in window;
@@ -511,7 +511,7 @@
 
         // remove a route match in routes
         unRoute: function (route) {
-            var index = _.findIndex(this.handlers, function (handler) {
+            var index = BI._.findIndex(this.handlers, function (handler) {
                 return handler.route.test(route);
             });
             if (index > -1) {
@@ -545,7 +545,7 @@
         // returns `false`.
         loadUrl: function (fragment) {
             fragment = this.fragment = this.getFragment(fragment);
-            return _.some(this.handlers, function (handler) {
+            return BI._.some(this.handlers, function (handler) {
                 if (handler.route.test(fragment)) {
                     handler.callback(fragment);
                     return true;
diff --git a/test/utils.js b/test/utils.js
index 7e363b9bc..8ecf90a72 100644
--- a/test/utils.js
+++ b/test/utils.js
@@ -1,6 +1,6 @@
 !(function () {
     BI.Test = {};
-    _.extend(BI.Test, {
+    BI._.extend(BI.Test, {
         createWidget: function (widgetJson) {
             var widget = BI.createWidget(BI.extend(widgetJson, {
                 root: true
diff --git a/webpack/attachments.js b/webpack/attachments.js
index eefbe4b42..cf26e9d09 100644
--- a/webpack/attachments.js
+++ b/webpack/attachments.js
@@ -5,6 +5,7 @@ const fixProxyJs = './dist/fix/fix.proxy.js';
 const fixCompact = "./dist/fix/fix.compact.js";
 const workerCompact = './dist/fix/worker.compact.js';
 const lodashJs = "src/core/1.lodash.js";
+const jqueryJs = "src/core/platform/web/jquery/_jquery.js";
 
 const basicAttachmentMap = {
     polyfill: sync(["src/core/0.foundation.js", "src/polyfill/**/*.js"]).concat(["@babel/polyfill", "es6-promise/auto"]),
@@ -12,6 +13,7 @@ const basicAttachmentMap = {
         "src/less/core/**/*.less",
         "src/less/theme/**/*.less",
         lodashJs,
+        jqueryJs,
         "src/core/**/*.js",
         "src/data/**/*.js",
     ]),
@@ -46,6 +48,15 @@ const basicAttachmentMap = {
     core_without_normalize: sync(
         ["src/less/core/**/*.less", "src/less/theme/**/*.less"], ["src/less/core/normalize.less", "src/less/core/normalize2.less"]
     ),
+    core_without_conflict: sync([
+        "src/less/core/**/*.less",
+        "src/less/theme/**/*.less",
+        lodashJs,
+        "src/core/**/*.js",
+        "src/data/**/*.js",
+    ], [
+        "src/core/conflict.js",
+    ]),
     resource: sync(["src/less/resource/**/*.less"]),
     font: sync(["public/less/font.less"]),
     ts: ['./typescript/bundle.ts'],
@@ -156,6 +167,19 @@ const fineui = [].concat(
     basicAttachmentMap.ts,
 );
 
+const fineuiWithoutConflict = [].concat(
+    basicAttachmentMap.polyfill,
+    basicAttachmentMap.core_without_conflict,
+    basicAttachmentMap.fix,
+    basicAttachmentMap.base,
+    basicAttachmentMap.case,
+    basicAttachmentMap.widget,
+    basicAttachmentMap.router,
+    [fixCompact, workerCompact],
+    basicAttachmentMap.ui,
+    basicAttachmentMap.ts,
+);
+
 // const fineuiModern = [].concat(
 //     sync(["src/less/modern.less"]),
 //     sync([
@@ -221,6 +245,7 @@ module.exports = {
     font: basicAttachmentMap.font,
     bundle: uniq(bundle),
     fineuiWithoutNormalize: uniq(fineuiWithoutNormalize),
+    fineuiWithoutConflict: uniq(fineuiWithoutConflict),
     bundleWithoutNormalize: uniq(bundleWithoutNormalize),
     fineui: uniq(fineui),
     fineuiProxy: uniq(fineuiProxy),
diff --git a/webpack/webpack.prod.js b/webpack/webpack.prod.js
index 05cb95648..1af08c2af 100644
--- a/webpack/webpack.prod.js
+++ b/webpack/webpack.prod.js
@@ -18,6 +18,7 @@ module.exports = merge.smart(common, {
         font: attachments.font,
         "fineui.min": attachments.fineui,
         "fineui_without_normalize.min": attachments.fineuiWithoutNormalize,
+        "fineui_without_conflict.min": attachments.fineuiWithoutConflict,
         "fineui.proxy.min": attachments.fineuiProxy,
         "core_without_platform": attachments.coreWithoutPlatform,
         utils: attachments.utils,