使用注释时，Hibernate无法创建联接的子类表

@Entity
@Table(name=\"CRM_User\")
@Inheritance(strategy=InheritanceType.JOINED)
public class UserImp extends BaseModel implements IUser, Serializable
{
  ... ...

@Entity
@Table(name=\"CRM_Staff\") 
@PrimaryKeyJoinColumn(name=\"Id\")
public class StaffImp extends UserImp implements IStaff, Serializable
{
  ... ...   

/* Test get all User */
@Test
public void testGetAllUser()
{
    List<IUser> users = (List<IUser>) this.userDAO.getAll(\"UserImp\");
    assertEquals(2, users.size());
}

......
19:31:04,880  INFO SchemaExport:281 - schema export complete
19:31:04,918  INFO DefaultTraversableResolver:81 - Instantiated an instance of org.hibernate.validator.engine.resolver.JPATraversableResolver.
19:31:05,158  WARN JDBCExceptionReporter:233 - SQL Error: 1146, SQLState: 42S02
19:31:05,158 ERROR JDBCExceptionReporter:234 - Table \'test.crm_staff\' doesn\'t exist  
... ...