spring.net 泛型配置报错问题

我在一个类里定义了两个泛型对角如下：

  public class UserController : Controller
    {
        //
        // GET: /User/
        BaseService<MDL.User_Test_T> user_test_t { set; get; }
        BaseService<MDL.Role_Info_T> role_info_t { set; get; }
            }

xml 配置如下：

   <object type="WebApp.Controllers.UserController, WebApp" singleton="false" >
    <property name="role_info_t" ref="role_info_t" />
    <property name="user_test_t" ref="user_test_t" />
  </object>

    <object name="role_info_t" type="BLL.BaseService&lt;MDL.Role_Info_T>, BLL" singleton="false" >

  </object>

      <object name="user_test_t" type="BLL.BaseService&lt;MDL.User_Test_T>, BLL" singleton="false" >

  </object>

但运行时报对象转换错误

请大神指点

http://blog.csdn.net/kfarvid/article/details/6760923