开始是获取角色列表，刷新之后出现对话框
TypeError: Error #1009: 无法访问空对象引用的属性或方法。
at game::GameFacade/getUIResDisp()
at game::GameFacade/getUIRes()
at game.utils::CommandHelper$/alert()
at game.utils::CommandHelper$/alert_ok()
at game.view::AlertMediator/handleNotification()
at Function/http://adobe.com/AS3/2006/builtin::apply()
at org.puremvc.as3.patterns.observer::Observer/notifyObserver()
at org.puremvc.as3.core::View/notifyObservers()
at org.puremvc.as3.patterns.facade::Facade/notifyObservers()
at org.puremvc.as3.patterns.facade::Facade/sendNotification()
at org.puremvc.as3.patterns.observer::Notifier/sendNotification()
at game.controller::LoginCommander/execute()
at org.puremvc.as3.core::Controller/executeCommand()
at Function/http://adobe.com/AS3/2006/builtin::apply()
at org.puremvc.as3.patterns.observer::Observer/notifyObserver()
at org.puremvc.as3.core::View/notifyObservers()
at org.puremvc.as3.patterns.facade::Facade/notifyObservers()
at org.puremvc.as3.patterns.facade::Facade/sendNotification()
at game.netadapter::LoginRspHandler/handle()
at P_msg_handler/start_handle()
at msg_listener/handle()
at l_conn/on_msg()
at l_socket/on_read()
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