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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