iphone4s经过地图页面直接跳转到其它页面导致页面不能正常加载

 _mapView.customizeUserLocationAccuracyCircleRepresentation = YES;
if(!_bShowed)
{
    if(PROCESSING_ORDER_STATE_IMMEDIATELY_ARRIVE == [GlobalShare getGlobalShare].user.processingOrderStat)
    {
        _orderDict = [[Singleton sharedInstance] getOrderDetail];
        [[Singleton sharedInstance] setProcessingOrderId:-1];
        newDict = nil;

        [self initWithServicingStatus];
        [servicingView SetValueWithDictionary:[[GlobalShare getGlobalShare]GetCurrentOrderDictionaryFromSandBox]];

    }
    else if(PROCESSING_ORDER_STATE_WAIT_START_CHARGING == [GlobalShare getGlobalShare].user.processingOrderStat)
    {
        _orderDict = [[Singleton sharedInstance] getOrderDetail];
        [[Singleton sharedInstance] setProcessingOrderId:-1];
        newDict = nil;
        [[Singleton sharedInstance] setHaveProcessingOrder:YES];


        [self notifinotionCostumerTheCarWillArrive];
        [servicingView SetValueWithDictionary:[[GlobalShare getGlobalShare]GetCurrentOrderDictionaryFromSandBox]];
        self.navigationItem.title = @"服务中";

        //        [self painAction:nil];
    }
    else if(PROCESSING_ORDER_STATE_WAIT_END_CHARGING == [GlobalShare getGlobalShare].user.processingOrderStat)
    {
        [self drawPolyline];
        _orderDict = [[Singleton sharedInstance] getOrderDetail];
        [[Singleton sharedInstance] setReLoadOrderId:[[_orderDict objectForKey:@"id"] intValue]];
        [[Singleton sharedInstance] setHaveProcessingOrder:YES];


        [self StartBilling];
        [servicingView SetValueWithDictionary:[[GlobalShare getGlobalShare]GetCurrentOrderDictionaryFromSandBox]];

        //        [self painAction:nil];
    }
    else if(PROCESSING_ORDER_STATE_WAIT_FEE_SETTLEMENT == [GlobalShare getGlobalShare].user.processingOrderStat)
    {
        MoneyAccountViewController *moneyVC = [[MoneyAccountViewController alloc] init];
        newDict = nil;
        moneyVC.priceDict = [[GlobalShare getGlobalShare] GetCurrentCheckDictionaryFromSandBox];
        [[Singleton sharedInstance] setHaveProcessingOrder:YES];

        [self.navigationController pushViewController:moneyVC animated:YES];

        FLDDLogDebug(@"下线");
    }

    else if(PROCESSING_ORDER_STATE_INIT == [GlobalShare getGlobalShare].user.processingOrderStat || PROCESSING_ORDER_STATE_WAIT_NEW_ORDER == [GlobalShare getGlobalShare].user.processingOrderStat)
    {
        FLDDLogDebug(@"[GlobalShare getGlobalShare].user.processingOrderStat:%d", [GlobalShare getGlobalShare].user.processingOrderStat);
        [GlobalShare getGlobalShare].user.processingOrderStat = PROCESSING_ORDER_STATE_WAIT_NEW_ORDER;
        [[GlobalShare getGlobalShare] saveinfo:[GlobalShare getGlobalShare].user];
        FLDDLogDebug(@"[GlobalShare getGlobalShare].user.processingOrderStat:%d", [GlobalShare getGlobalShare].user.processingOrderStat);
        [[Singleton sharedInstance] setProcessingOrderId:-1];
        newDict = nil;
        [[Singleton sharedInstance] setHaveProcessingOrder:NO];

    }

    _bookingButtonView.frame = CGRectMake(0, -40, kControlWidth, 40);
    FLDDLogDebug(@"_bookingButtonView.getBookShowFlag:%d", _bookingButtonView.getBookShowFlag);
}
else
{
    [self initMap];
    if((PROCESSING_ORDER_STATE_WAIT_NEW_ORDER == [GlobalShare getGlobalShare].user.processingOrderStat) || (PROCESSING_ORDER_STATE_INIT == [GlobalShare getGlobalShare].user.processingOrderStat))
    {
        [GlobalShare getGlobalShare].user.processingOrderStat = PROCESSING_ORDER_STATE_WAIT_NEW_ORDER;
        [[GlobalShare getGlobalShare] saveinfo:[GlobalShare getGlobalShare].user];
        [[Singleton sharedInstance] clearOrderCountData];
        [[Singleton sharedInstance] setProcessingOrderId:-1];
        newDict = nil;
        [[Singleton sharedInstance] setHaveProcessingOrder:NO];
                    //清除之前的画线
        if (commonPolyline!=nil)
        {
            [_mapView removeOverlay:commonPolyline];
        }
    }
    else
    {
        [self drawPolyline];
    }

}
_bShowed = YES;

        [self.navigationController pushViewController:moneyVC animated:YES];

        FLDDLogDebug(@"下线");