MKMapView在模拟器上正确显示注释点，但在真实设备iPhone 4S上没有

Question

我正在制作一个iOS应用程序，告诉用户包围洗车点，当我在模拟器上运行时，它工作正常，另一方面当我在真实设备上运行时，地图不显示注释，没有委托功能调用map，我使用的是iOS 6.1和x code 5

- (void)nextGeocodeRequest
{
    // if we're done, dp whatever you want

    NSMutableDictionary* htc = nil;
    htc=[[NSMutableDictionary alloc] init];

    if ([addressesMArray count] == 0)
    {
        // do whatever you want when we're done (e.g. open maps)
        [spinner stopAnimating];
        [spinner setHidesWhenStopped:YES];
        // NSLog(@"array %@",mutableCoordinatesArray);

        //NSLog(@"array address in geocoded %@",mutableCoordinatesArray);


        return;
    }

    NSLog(@"array count %lu",(unsigned long)addressesMArray.count);


    NSDictionary *dicSingleRecore = [addressesMArray objectAtIndex:0];

    NSString *strTitle=[dicSingleRecore objectForKey:@"s_title"];
    //NSString *strSubTitle=[dicSingleRecore objectForKey:@"s_address"];

    NSString *strArrayAddressSingle=[dicSingleRecore objectForKey:@"s_address"];
    NSString *strCity=[dicSingleRecore objectForKey:@"s_city"];
    NSString *strCountry=[dicSingleRecore objectForKey:@"s_country"];
    NSString *address=[NSString stringWithFormat:@"%@,%@,%@",strArrayAddressSingle,strCity,strCountry];

    NSLog(@"address to geocoded %@",address);




    [addressesMArray removeObjectAtIndex:0];



    [geocoder geocodeAddressString:address completionHandler:^(NSArray *placemarks, NSError *error) {

        if(placemarks.count>0)
        {
            //NSLog(@"Found placemarks for %@",[htc objectForKey:kAddressKey]);
            placemark =  [placemarks objectAtIndex:0];
            MapPoint *annotation = [[MapPoint alloc]
                                    initWithName:strTitle
                                    address:@""
                                    coordinate:placemark.location.coordinate] ;

            [mapView addAnnotation:annotation];

            [htc setObject:[NSNumber numberWithDouble:placemark.location.coordinate.latitude] forKey:@"lat"];
            [htc setObject:[NSNumber numberWithDouble:placemark.location.coordinate.longitude] forKey:@"long"];





        }else {
            NSLog(@"Address not recognized: ");
        }

        [mutableCoordinatesArray addObject:htc];




        [self nextGeocodeRequest];
    }];
    NSLog(@"mutableCoordinatesArray %@ ",mutableCoordinatesArray);
}