diff --git a/dist/fix/fix.compact.js b/dist/fix/fix.compact.js
index 93980fb7f9..d7135365d7 100644
--- a/dist/fix/fix.compact.js
+++ b/dist/fix/fix.compact.js
@@ -17,18 +17,40 @@
         return Fix.watch(vm.model, keyOrFn, _.bind(handler, vm), options)
     }
 
+    var target = null
+    const targetStack = []
+
+    function pushTarget(_target) {
+        if (target) targetStack.push(target)
+        Fix.Model.target = target = _target
+    }
+
+    function popTarget() {
+        Fix.Model.target = target = targetStack.pop()
+    }
+
     var _init = BI.Widget.prototype._init;
     BI.Widget.prototype._init = function () {
+        var needPop = false;
         if (window.Fix && this._store) {
+            if (this.options.element && this.options.element.store) {
+                pushTarget(this.options.element.store);
+                needPop = true;
+            }
             this.store = this._store();
+            needPop && popTarget();
+            needPop = false;
+            pushTarget(this.store);
             if (this.store instanceof Fix.Model) {
                 this.model = this.store.model;
             } else {
                 this.model = this.store;
             }
             initWatch(this, this.watch);
+            needPop = true;
         }
         _init.apply(this, arguments);
+        needPop && popTarget();
     };
 
     var unMount = BI.Widget.prototype.__d;
@@ -42,6 +64,6 @@
             })
         });
         this._watchers && (this._watchers = []);
-        this.store && (this.store = null);
+        this.store && (this.store._parent = null, this.store = null);
     }
 }());
\ No newline at end of file
diff --git a/dist/fix/fix.js b/dist/fix/fix.js
index 0a921c5ab5..0f4f4f7cb0 100644
--- a/dist/fix/fix.js
+++ b/dist/fix/fix.js
@@ -871,10 +871,154 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         }
     }
 
+    var falsy$1;
+    var operators = {
+        '||': falsy$1,
+        '&&': falsy$1,
+        '(': falsy$1,
+        ')': falsy$1
+    };
+
+    function runBinaryFunction(binarys) {
+        var expr = '';
+        for (var i = 0, len = binarys.length; i < len; i++) {
+            if (_.isBoolean(binarys[i]) || _.has(operators, binarys[i])) {
+                expr += binarys[i];
+            } else {
+                expr += 'false';
+            }
+        }
+        return new Function('return ' + expr)();
+    }
+
+    function routeToRegExp(route) {
+        route = route.replace(/\*./g, '[a-zA-Z0-9_]+.');
+        return '^' + route + '$';
+    }
+
+    function watch(model, expOrFn, cb, options) {
+        if (isPlainObject(cb)) {
+            options = cb;
+            cb = cb.handler;
+        }
+        if (typeof cb === 'string') {
+            cb = model[cb];
+        }
+        options = options || {};
+        options.user = true;
+        var exps = void 0;
+        if (_.isFunction(expOrFn) || !(exps = expOrFn.match(/[a-zA-Z0-9_.*]+|[|][|]|[&][&]|[(]|[)]/g)) || exps.length === 1 && !/\*/.test(expOrFn)) {
+            var watcher = new Watcher(model, expOrFn, cb, options);
+            if (options.immediate) {
+                cb(watcher.value);
+            }
+            return function unwatchFn() {
+                watcher.teardown();
+            };
+        }
+        var watchers = [];
+        var fns = exps.slice();
+        var complete = false,
+            running = false;
+        var callback = function callback(index) {
+            if (complete === true) {
+                return;
+            }
+            fns[index] = true;
+            if (runBinaryFunction(fns)) {
+                complete = true;
+                cb();
+            }
+            if (!running) {
+                running = true;
+                nextTick(function () {
+                    complete = false;
+                    running = false;
+                    fns = exps.slice();
+                });
+            }
+        };
+        _.each(exps, function (exp, i) {
+            if (_.has(operators, exp)) {
+                return;
+            }
+            //a.**或a.*形式
+            if (/^[1-9a-zA-Z.]+(\*\*$|\*$)/.test(exp)) {
+                var isGlobal = /\*\*$/.test(exp);
+                if (isGlobal) {
+                    //a.**的形式
+                    exp = exp.replace(".**", "");
+                } else {
+                    //a.*的形式
+                    exp = exp.replace(".*", "");
+                }
+                var getter = parsePath(exp);
+                var v = getter.call(model, model);
+                var dep = new Dep();
+                if (isGlobal) {
+                    (v.__ob__._scopeDeps || (v.__ob__._scopeDeps = [])).push(dep);
+                } else {
+                    (v.__ob__._deps || (v.__ob__._deps = [])).push(dep);
+                }
+                var w = new Watcher(model, function () {
+                    dep.depend();
+                    return NaN;
+                }, function () {
+                    callback(i);
+                });
+                watchers.push(function unwatchFn() {
+                    w.teardown();
+                    v.__ob__._scopeDeps && remove(v.__ob__._scopeDeps, dep);
+                    v.__ob__._deps && remove(v.__ob__._deps, dep);
+                });
+                return;
+            }
+            if (/\*\*$|\*$/.test(exp)) {
+                throw new Error('not support');
+            }
+            //其他含有*的情况，如*.a,*.*.a,a.*.a.*
+            if (/\*/.test(exp)) {
+                //补全路径
+                var parent = model.__ob__.parent,
+                    root = model.__ob__;
+                while (parent) {
+                    exp = '*.' + exp;
+                    root = parent;
+                    parent = parent.parent;
+                }
+                var regStr = routeToRegExp(exp);
+                var _dep = new Dep();
+                root._globalDeps || (root._globalDeps = {});
+                root._globalDeps[regStr] = _dep;
+
+                var _w = new Watcher(model, function () {
+                    _dep.depend();
+                    return NaN;
+                }, function () {
+                    callback(i);
+                });
+                watchers.push(function unwatchFn() {
+                    _w.teardown();
+                    root._globalDeps && delete root._globalDeps[regStr];
+                });
+                return;
+            }
+            var watcher = new Watcher(model, exp, function () {
+                callback(i);
+            }, options);
+            watchers.push(function unwatchFn() {
+                watcher.teardown();
+            });
+        });
+        return watchers;
+    }
+
     var computedWatcherOptions = { lazy: true };
 
     function initState(vm, state) {
-        vm.$$state = observe(state).model;
+        if (state) {
+            vm.$$state = observe(state).model;
+        }
     }
 
     function initComputed(vm, computed) {
@@ -942,10 +1086,10 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         };
     }
 
-    function initWatch(vm, watch) {
+    function initWatch(vm, watch$$1) {
         vm._watchers || (vm._watchers = []);
-        for (var key in watch) {
-            var handler = watch[key];
+        for (var key in watch$$1) {
+            var handler = watch$$1[key];
             if (_.isArray(handler)) {
                 for (var i = 0; i < handler.length; i++) {
                     vm._watchers.push(createWatcher(vm, key, handler[i]));
@@ -956,8 +1100,10 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         }
     }
 
-    function createWatcher(vm, keyOrFn, handler, options) {
-        return Fix.watch(vm.model, keyOrFn, _.bind(handler, vm), options);
+    function createWatcher(vm, keyOrFn, handler) {
+        return watch(vm.model, keyOrFn, _.bind(handler, vm.$$model ? vm.model : vm), {
+            sync: true
+        });
     }
 
     function initMethods(vm, methods) {
@@ -1012,7 +1158,16 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                         if (vm.$$state && key in vm.$$state) {
                             return vm.$$state[key];
                         }
-                        return vm.$$model[key];
+                        if (vm.$$model && key in vm.$$model) {
+                            return vm.$$model;
+                        }
+                        var p = vm._parent;
+                        while (p) {
+                            if (p.$$context && key in p.$$context) {
+                                return p.$$context[key];
+                            }
+                            p = p._parent;
+                        }
                     },
                     set: function set(val) {
                         if (vm.$$state && key in vm.$$state) {
@@ -1021,6 +1176,13 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                         if (vm.$$model && key in vm.$$model) {
                             return vm.$$model[key] = val;
                         }
+                        var p = vm._parent;
+                        while (p) {
+                            if (p.$$context && key in p.$$context) {
+                                return p.$$context[key] = val;
+                            }
+                            p = p._parent;
+                        }
                     }
                 };
             }
@@ -1032,6 +1194,31 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         vm.model = createViewModel$1({}, props);
     }
 
+    function defineContext(vm, keys) {
+        var props = {};
+
+        var _loop2 = function _loop2(i, len) {
+            var key = keys[i];
+            if (!(key in $$skipArray)) {
+                props[key] = {
+                    enumerable: true,
+                    configurable: true,
+                    get: function get() {
+                        return vm.model[key];
+                    },
+                    set: function set(val) {
+                        return vm.model[key] = val;
+                    }
+                };
+            }
+        };
+
+        for (var i = 0, len = keys.length; i < len; i++) {
+            _loop2(i, len);
+        }
+        vm.$$context = createViewModel$1({}, props);
+    }
+
     var Model = function () {
         function Model(model) {
             _classCallCheck(this, Model);
@@ -1044,15 +1231,17 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
             } else {
                 this.options = model || {};
             }
+            this._parent = Model.target;
             var state = _.isFunction(this.state) ? this.state() : this.state;
-            var keys = _.keys(this.$$model).concat(_.keys(state)).concat(_.keys(this.computed));
+            var keys = _.keys(this.$$model).concat(_.keys(state)).concat(_.keys(this.computed)).concat(this.context);
             defineProps(this, keys);
+            this.childContext && defineContext(this, this.childContext);
             this.$$model && (this.model.__ob__ = this.$$model.__ob__);
-            state && initState(this, state);
+            this._init();
+            initState(this, state);
             initComputed(this, this.computed);
             initWatch(this, this.watch);
             initMethods(this, this.actions);
-            this._init();
             if (this.$$model) {
                 return this.model;
             }
@@ -1080,148 +1269,6 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
         return Model;
     }();
 
-    var falsy$1;
-    var operators = {
-        '||': falsy$1,
-        '&&': falsy$1,
-        '(': falsy$1,
-        ')': falsy$1
-    };
-
-    function runBinaryFunction(binarys) {
-        var expr = '';
-        for (var i = 0, len = binarys.length; i < len; i++) {
-            if (_.isBoolean(binarys[i]) || _.has(operators, binarys[i])) {
-                expr += binarys[i];
-            } else {
-                expr += 'false';
-            }
-        }
-        return new Function('return ' + expr)();
-    }
-
-    function routeToRegExp(route) {
-        route = route.replace(/\*./g, '[a-zA-Z0-9_]+.');
-        return '^' + route + '$';
-    }
-
-    function watch(model, expOrFn, cb, options) {
-        if (isPlainObject(cb)) {
-            options = cb;
-            cb = cb.handler;
-        }
-        if (typeof cb === 'string') {
-            cb = model[cb];
-        }
-        options = options || {};
-        options.user = true;
-        var exps = void 0;
-        if (_.isFunction(expOrFn) || !(exps = expOrFn.match(/[a-zA-Z0-9_.*]+|[|][|]|[&][&]|[(]|[)]/g)) || exps.length === 1 && !/\*/.test(expOrFn)) {
-            var watcher = new Watcher(model, expOrFn, cb, options);
-            if (options.immediate) {
-                cb(watcher.value);
-            }
-            return function unwatchFn() {
-                watcher.teardown();
-            };
-        }
-        var watchers = [];
-        var fns = exps.slice();
-        var complete = false,
-            running = false;
-        var callback = function callback(index) {
-            if (complete === true) {
-                return;
-            }
-            fns[index] = true;
-            if (runBinaryFunction(fns)) {
-                complete = true;
-                cb();
-            }
-            if (!running) {
-                running = true;
-                nextTick(function () {
-                    complete = false;
-                    running = false;
-                    fns = exps.slice();
-                });
-            }
-        };
-        _.each(exps, function (exp, i) {
-            if (_.has(operators, exp)) {
-                return;
-            }
-            //a.**或a.*形式
-            if (/^[1-9a-zA-Z.]+(\*\*$|\*$)/.test(exp)) {
-                var isGlobal = /\*\*$/.test(exp);
-                if (isGlobal) {
-                    //a.**的形式
-                    exp = exp.replace(".**", "");
-                } else {
-                    //a.*的形式
-                    exp = exp.replace(".*", "");
-                }
-                var getter = parsePath(exp);
-                var v = getter.call(model, model);
-                var dep = new Dep();
-                if (isGlobal) {
-                    (v.__ob__._scopeDeps || (v.__ob__._scopeDeps = [])).push(dep);
-                } else {
-                    (v.__ob__._deps || (v.__ob__._deps = [])).push(dep);
-                }
-                var w = new Watcher(model, function () {
-                    dep.depend();
-                    return NaN;
-                }, function () {
-                    callback(i);
-                });
-                watchers.push(function unwatchFn() {
-                    w.teardown();
-                    v.__ob__._scopeDeps && remove(v.__ob__._scopeDeps, dep);
-                    v.__ob__._deps && remove(v.__ob__._deps, dep);
-                });
-                return;
-            }
-            if (/\*\*$|\*$/.test(exp)) {
-                throw new Error('not support');
-            }
-            //其他含有*的情况，如*.a,*.*.a,a.*.a.*
-            if (/\*/.test(exp)) {
-                //补全路径
-                var parent = model.__ob__.parent,
-                    root = model.__ob__;
-                while (parent) {
-                    exp = '*.' + exp;
-                    root = parent;
-                    parent = parent.parent;
-                }
-                var regStr = routeToRegExp(exp);
-                var _dep = new Dep();
-                root._globalDeps || (root._globalDeps = {});
-                root._globalDeps[regStr] = _dep;
-
-                var _w = new Watcher(model, function () {
-                    _dep.depend();
-                    return NaN;
-                }, function () {
-                    callback(i);
-                });
-                watchers.push(function unwatchFn() {
-                    _w.teardown();
-                    root._globalDeps && delete root._globalDeps[regStr];
-                });
-                return;
-            }
-            var watcher = new Watcher(model, exp, function () {
-                callback(i);
-            }, options);
-            watchers.push(function unwatchFn() {
-                watcher.teardown();
-            });
-        });
-        return watchers;
-    }
-
     function toJSON(model) {
         var result = void 0;
         if (_.isArray(model)) {