修复google map定位问题

@@ -39,6 +39,7 @@ class AddressSelectPageState extends State<AddressSelectPage> {
   @override
   void initState() {
     super.initState();
+    _getCurrentLocation();
   }
 
   Future<void> _getCurrentLocation() async {
@@ -64,28 +65,22 @@ class AddressSelectPageState extends State<AddressSelectPage> {
     _locationSubscription =
         location.onLocationChanged.listen((LocationData currentLocation) {
       _center = LatLng(currentLocation.latitude!, currentLocation.longitude!);
+    });
+  }
 
+  void _onMapCreated(GoogleMapController controller) {
+    mapController = controller;
     final String markerIdVal = 'marker_id_$_markerIdCounter';
     _markerIdCounter++;
     final MarkerId markerId = MarkerId(markerIdVal);
-
     final Marker marker = Marker(
       markerId: markerId,
-        position: LatLng(currentLocation.latitude!, currentLocation.longitude!),
+      position: _center,
     );
-
-      LatLng sydney =
-          LatLng(currentLocation.latitude!, currentLocation.longitude!);
-      mapController.moveCamera(CameraUpdate.newLatLng(sydney));
+    mapController.moveCamera(CameraUpdate.newLatLng(_center));
     setState(() {
       markers[markerId] = marker;
     });
-    });
-  }
-
-  void _onMapCreated(GoogleMapController controller) {
-    mapController = controller;
-    _getCurrentLocation();
   }
 
   @override