change the log

CHANGES_en.md

 # Change Log
 
+### 2.2.0 - 2021-05-09
+
+#### Breaking Changes 📣
+
+- Upgrade Cesium to version 1.81.0
+
+#### Additions 🎉
+
+- Add dynamic layer
+- Add dynamic model and dynamic billbard
+- Add model management functions for model expansion and merging
+
 ### 2.1.4 - 2021-04-24
 
 #### Additions 🎉
 
 #### Fixes 🔧
 
-- fix the plot bugs[#24](https://github.com/dvgis/dc-sdk/issues/24)
-- rewritten logo
+- Fix the plot bugs[#24](https://github.com/dvgis/dc-sdk/issues/24)
+- Rewritten logo
 
 ### 2.1.2 - 2021-04-10
 

CHANGES_zh.md

 # Change Log
 
+### 2.2.0 - 2021-05-09
+
+#### Breaking Changes 📣
+
+- 升级 Cesium 到 1.81.0 版本
+
+#### Additions 🎉
+
+- 添加动态图层
+- 添加动态模型和动态图覆盖物
+- 添加模型管理功能，用于模型的展开、合并
+
 ### 2.1.4 - 2021-04-24
 
 #### Additions 🎉

README_zh.md

 
 ## 示例
 
-|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
+|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
 |  :-----------------------------------------------------------: | :-----------------------------------------------------------: | :------------------------------------------------------------------: | :--------------------------------------------------------------: |
 |  ![picture](http://dc.dvgis.cn/examples/images/mini-scene/dfmz.gif) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/factory.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/layer/cluster_circle.gif) | ![picture](http://dc.dvgis.cn/examples/images/model/shp_custom_shader.gif) |
 |  ![picture](http://dc.dvgis.cn/examples/images/overlay/polyline_image_trail.gif) | ![picture](http://dc.dvgis.cn/examples/images/overlay/wall_trail.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/overlay/water.gif?v=2)  |  ![picture](http://dc.dvgis.cn/examples/images/overlay/plot-overlay.png)   |

packages/base/README.md

 
 ## Demo
 
-|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
+|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
 |  :-----------------------------------------------------------: | :-----------------------------------------------------------: | :------------------------------------------------------------------: | :--------------------------------------------------------------: |
 |  ![picture](http://dc.dvgis.cn/examples/images/mini-scene/dfmz.gif) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/factory.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/layer/cluster_circle.gif) | ![picture](http://dc.dvgis.cn/examples/images/model/shp_custom_shader.gif) |
 |  ![picture](http://dc.dvgis.cn/examples/images/overlay/polyline_image_trail.gif) | ![picture](http://dc.dvgis.cn/examples/images/overlay/wall_trail.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/overlay/water.gif?v=2)  |  ![picture](http://dc.dvgis.cn/examples/images/overlay/plot-overlay.png)   |

packages/chart/README.md

 
 ## Demo
 
-|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
+|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
 |  :-----------------------------------------------------------: | :-----------------------------------------------------------: | :------------------------------------------------------------------: | :--------------------------------------------------------------: |
 |  ![picture](http://dc.dvgis.cn/examples/images/mini-scene/dfmz.gif) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/factory.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/layer/cluster_circle.gif) | ![picture](http://dc.dvgis.cn/examples/images/model/shp_custom_shader.gif) |
 |  ![picture](http://dc.dvgis.cn/examples/images/overlay/polyline_image_trail.gif) | ![picture](http://dc.dvgis.cn/examples/images/overlay/wall_trail.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/overlay/water.gif?v=2)  |  ![picture](http://dc.dvgis.cn/examples/images/overlay/plot-overlay.png)   |

packages/core/README.md

 
 ## Demo
 
-|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
+|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
 |  :-----------------------------------------------------------: | :-----------------------------------------------------------: | :------------------------------------------------------------------: | :--------------------------------------------------------------: |
 |  ![picture](http://dc.dvgis.cn/examples/images/mini-scene/dfmz.gif) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/factory.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/layer/cluster_circle.gif) | ![picture](http://dc.dvgis.cn/examples/images/model/shp_custom_shader.gif) |
 |  ![picture](http://dc.dvgis.cn/examples/images/overlay/polyline_image_trail.gif) | ![picture](http://dc.dvgis.cn/examples/images/overlay/wall_trail.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/overlay/water.gif?v=2)  |  ![picture](http://dc.dvgis.cn/examples/images/overlay/plot-overlay.png)   |

packages/mapv/README.md

 
 ## Demo
 
-|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
+|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
 |  :-----------------------------------------------------------: | :-----------------------------------------------------------: | :------------------------------------------------------------------: | :--------------------------------------------------------------: |
 |  ![picture](http://dc.dvgis.cn/examples/images/mini-scene/dfmz.gif) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/factory.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/layer/cluster_circle.gif) | ![picture](http://dc.dvgis.cn/examples/images/model/shp_custom_shader.gif) |
 |  ![picture](http://dc.dvgis.cn/examples/images/overlay/polyline_image_trail.gif) | ![picture](http://dc.dvgis.cn/examples/images/overlay/wall_trail.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/overlay/water.gif?v=2)  |  ![picture](http://dc.dvgis.cn/examples/images/overlay/plot-overlay.png)   |

packages/sdk/README.md

 
 ## Demo
 
-|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
+|  ![picture](http://dc.dvgis.cn/examples/images/baselayer/baidu.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/tdt.png?v=1) | ![picture](http://dc.dvgis.cn/examples/images/baselayer/arcgis.png?v=2) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/china.gif) |
 |  :-----------------------------------------------------------: | :-----------------------------------------------------------: | :------------------------------------------------------------------: | :--------------------------------------------------------------: |
 |  ![picture](http://dc.dvgis.cn/examples/images/mini-scene/dfmz.gif) | ![picture](http://dc.dvgis.cn/examples/images/mini-scene/factory.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/layer/cluster_circle.gif) | ![picture](http://dc.dvgis.cn/examples/images/model/shp_custom_shader.gif) |
 |  ![picture](http://dc.dvgis.cn/examples/images/overlay/polyline_image_trail.gif) | ![picture](http://dc.dvgis.cn/examples/images/overlay/wall_trail.gif?v=1) | ![picture](http://dc.dvgis.cn/examples/images/overlay/water.gif?v=2)  |  ![picture](http://dc.dvgis.cn/examples/images/overlay/plot-overlay.png)   |