update readme doc

lib/src/amap_widget.dart

@@ -19,43 +19,43 @@ class AMapWidget extends StatefulWidget {
   /// 初始化时的地图中心点
   final CameraPosition initialCameraPosition;
 
-  ///地图类型
+  /// 地图类型
   final MapType mapType;
 
-  ///自定义地图样式
+  /// 自定义地图样式
   final CustomStyleOptions? customStyleOptions;
 
-  ///定位小蓝点
+  /// 定位小蓝点
   final MyLocationStyleOptions? myLocationStyleOptions;
 
-  ///缩放级别范围
+  /// 缩放级别范围
   final MinMaxZoomPreference? minMaxZoomPreference;
 
-  ///地图显示范围
+  /// 地图显示范围
   final LatLngBounds? limitBounds;
 
-  ///显示路况开关
+  /// 显示路况开关
   final bool trafficEnabled;
 
   /// 地图poi是否允许点击
   final bool touchPoiEnabled;
 
-  ///是否显示3D建筑物
+  /// 是否显示3D建筑物，默认显示
   final bool buildingsEnabled;
 
-  ///是否显示底图文字标注
+  /// 是否显示底图文字标注
   final bool labelsEnabled;
 
-  ///是否显示指南针
+  /// 是否显示指南针
   final bool compassEnabled;
 
-  ///是否显示比例尺
+  /// 是否显示比例尺
   final bool scaleEnabled;
 
-  ///是否支持缩放手势
+  /// 是否支持缩放手势
   final bool zoomGesturesEnabled;
 
-  ///是否支持滑动手势
+  /// 是否支持滑动手势
   final bool scrollGesturesEnabled;
 
   ///是否支持旋转手势
@@ -332,7 +332,7 @@ class _AMapOptions {
   ///是否显示3D建筑物
   final bool? buildingsEnabled;
 
-  ///是否显示底图文字标注
+  /// 是否显示底图文字标注，默认显示
   final bool? labelsEnabled;
 
   ///是否显示指南针

lib/src/core/method_channel_amap_map.dart

@@ -11,7 +11,6 @@
 // distributed under the License is distributed on an "AS IS" BASIS,
 
 import 'dart:async';
-import 'dart:math';
 
 import 'package:x_amap_base/x_amap_base.dart';
 import 'package:amap_map/src/core/amap_flutter_platform.dart';
@@ -45,7 +44,7 @@ class MethodChannelAMapFlutterMap implements AMapFlutterPlatform {
     return channel.invokeMethod<void>('map#waitForMap');
   }
 
-  ///更新地图参数
+  /// 更新地图参数
   Future<void> updateMapOptions(
     Map<String, dynamic> newOptions, {
     required int mapId,
@@ -137,32 +136,37 @@ class MethodChannelAMapFlutterMap implements AMapFlutterPlatform {
     return _events(mapId).whereType<LocationChangedEvent>();
   }
 
-  //Camera 移动回调
+  // Camera 移动回调
   Stream<CameraPositionMoveEvent> onCameraMove({required int mapId}) {
     return _events(mapId).whereType<CameraPositionMoveEvent>();
   }
 
-  ///Camera 移动结束回调
+  /// Camera 移动结束回调
   Stream<CameraPositionMoveEndEvent> onCameraMoveEnd({required int mapId}) {
     return _events(mapId).whereType<CameraPositionMoveEndEvent>();
   }
 
+  /// Camera 地图点击回调
   Stream<MapTapEvent> onMapTap({required int mapId}) {
     return _events(mapId).whereType<MapTapEvent>();
   }
 
+  /// Camera 地图长按回调
   Stream<MapLongPressEvent> onMapLongPress({required int mapId}) {
     return _events(mapId).whereType<MapLongPressEvent>();
   }
 
+  /// Camera 地图POI点点击回调
   Stream<MapPoiTouchEvent> onPoiTouched({required int mapId}) {
     return _events(mapId).whereType<MapPoiTouchEvent>();
   }
 
+  /// Camera 地图锚点点击回调
   Stream<MarkerTapEvent> onMarkerTap({required int mapId}) {
     return _events(mapId).whereType<MarkerTapEvent>();
   }
 
+  /// Camera 地图锚点拖拽结束回调
   Stream<MarkerDragEndEvent> onMarkerDragEnd({required int mapId}) {
     return _events(mapId).whereType<MarkerDragEndEvent>();
   }
@@ -234,7 +238,7 @@ class MethodChannelAMapFlutterMap implements AMapFlutterPlatform {
     }
   }
 
-  ///移动镜头到一个新的位置
+  /// 移动镜头到一个新的位置
   Future<void> moveCamera(
     CameraUpdate cameraUpdate, {
     required int mapId,