[fix]当前定位未初始化

lib/sdk/map/map_helper.dart

@@ -15,9 +15,10 @@ class MapHelper {
   static Future<void> init() async {
     await FlutterMap.init();
     _mapPlatform = FlutterMap.getMapPlatform();
+    _initLocationClient();
   }
 
-  static void initLocationClient() {
+  static void _initLocationClient() {
     AtmobLocationClient atmobLocationClient =
         AtmobLocationClient.getAtmobLocationClient();
     _mapPlatform.receiveLocationStream(listener: (location) {