update readme doc

README.md

@@ -8,6 +8,9 @@
 | **AMapSDK** | 9.8.3 | 9.7.0 | 
 | **Support** | SDK 16+ | 12.0+ | 
 
+本插件基于 amap_flutter_map 3.0.0 进行二开的原因：
+1. 原插件21年开始已无更新，插件年久失修，依赖SDK版本老旧
+1. 原插件只实现了基础的地图展示和交互功能，无法满足常见定制化需求
 
 ## Usage
 使用Flutter插件，请参考[在Flutter里使用Packages](https://flutter.cn/docs/development/packages-and-plugins/using-packages), 添加`amap_map`的引用

example/ios/Podfile.lock

@@ -1,7 +1,7 @@
 PODS:
   - AMap3DMap (9.7.0):
     - AMapFoundation (>= 1.8.0)
-  - amap_map (0.0.1):
+  - amap_map (1.0.3):
     - AMap3DMap
     - Flutter
   - amap_map_extensions (0.0.1):
@@ -35,12 +35,12 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   AMap3DMap: dce25dd3e51e6b92109caa7d0c97fc6055830fb3
-  amap_map: fadcdab77d3fbb12a983c1e8aa434c3ef8dd4955
+  amap_map: 8773e5cacc760edf208b1e6e61000241d26385fa
   amap_map_extensions: 6d2affabf1ef14c7af8aa9eeb815b8b8453d92b0
   AMapFoundation: 9885c48fc3a78fdfb84a0299a2293e56ea3c9fec
   Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
   permission_handler_apple: e76247795d700c14ea09e3a2d8855d41ee80a2e6
 
-PODFILE CHECKSUM: e5ee00144d04e7b168ba7ea28a9753540e444f3d
+PODFILE CHECKSUM: cf0c950f7e9a456b4e325f5b8fc0f98906a3705a
 
 COCOAPODS: 1.14.3