added closure

src/core/kityminder.js

@@ -20,9 +20,10 @@ var KityMinder = km.KityMinder = kity.createClass("KityMinder", {
 
 //模块注册&暴露模块接口
 (function(){
-    var _modules = {};
+    var _modules;
     KityMinder.registerModule = function( name, module ) {
         //初始化模块列表
+        if(!_modules){_modules = {};}
         _modules[name] = module;
     };
     KityMinder.getModules = function(){
@@ -34,7 +35,6 @@ var KityMinder = km.KityMinder = kity.createClass("KityMinder", {
 kity.extendClass(KityMinder, (function(){
     var _commands = {};//command池子
     var _query = {};//query池子
-        
     return {
         _initModules: function() {
             var _modules = KityMinder.getModules();
@@ -74,15 +74,16 @@ kity.extendClass(KityMinder, (function(){
             }
         },
         execCommand: function( name ) {
+            var me = this;
             var _action = new _commands[name]();
             console.log(_action);
             var args = arguments;
             args[0] = this;
             if(_action.execute){
-                _action.fire("beforecommand");
-                _action.on("precommand",function(e){
-                    _action.execute.apply(null,args);
-                    _action.fire("command");
+                me.fire("beforecommand",_action);
+                me.on("precommand",function(e){
+                    if(e.target===_action){_action.execute.apply(null,args);}
+                    me.fire("command",_action);
                 });
             }
         },