应用冻结然后在所有iPhone上崩溃，但在模拟器上运行

Question

这个json正在装载餐馆，将州和美国的城市和地图和餐馆名称一起显示在地图上。 此应用程序适用于模拟器，但在搜索餐厅时无法在iPhone和iPod上运行。

            do{
                var strData = NSString(data: data!, encoding: NSUTF8StringEncoding)
                var decodedData: NSData?
                if strData == nil{
                    strData = NSString(data: data!, encoding: NSASCIIStringEncoding)
                    decodedData = strData!.dataUsingEncoding(NSUTF8StringEncoding)
                }else {

                    decodedData = data;
                }
                let json = try NSJSONSerialization.JSONObjectWithData(decodedData!, options:.AllowFragments)

                let annotationsToRemove = self.mapView.annotations.filter { $0 !== self.mapView.userLocation }
                self.mapView.removeAnnotations( annotationsToRemove )

                for dict in json as! [NSDictionary]{
                    self.names.append(dict["name"] as! String)
                    self.address.append(dict["address"] as! String)
                    self.label.append(dict["label"] as! String)

             //For Loop

                    // to display address
                        for googleadd in self.address {

                        // to display restaurant name
                       for googlename in (self.names) {
                            let annotationTitle: String = googlename;

                        var geocoder = CLGeocoder()
                        geocoder.geocodeAddressString(googleadd, completionHandler: {(placemarks, error) -> Void in
                            if let placemark = placemarks?[0] as? CLPlacemark? {

                                if placemark == nil{
                                    return
                                }


                                    if let coordinate = placemark?.location?.coordinate {

                                    let anotation = MKPointAnnotation()


                                   anotation.coordinate = coordinate



                                       anotation.title = googlename



                                   anotation.subtitle = googleadd

                                    self.mapView.addAnnotation(anotation)
                                    self.mapView.setCenterCoordinate(coordinate, zoomLevel: 12, animated: true)   

                                }
                            }


             })