diff --git a/README.md b/README.md
index 6377f8f8..3b99f4ca 100644
--- a/README.md
+++ b/README.md
@@ -1,18 +1,26 @@
 # cesium---tool
-cesium 整合的三维效果
 
-1.轨迹回放
-2.三维效果
-3.图层
-4.模型
-5.图标
-6.绘图,量测工具,标绘
+cesium 三维可视化系统<br>
 
-支持动态修改配置
+运行项目需要data目录<br>
+存放位置 ： ../common/3d/data<br>
+由于数据量较大,压缩上传至csdn:  https://download.csdn.net/download/weixin_40902527/11629130<br>
+请自行下载<br>
 
-<a href="https://blog.csdn.net/weixin_40902527/article/details/100561094"><img src="./20190905163012776.png" height="150" /></a>&nbsp;
-<a href="https://blog.csdn.net/weixin_40902527/article/details/97137898"><img src="./20190906091434.png" height="150" /></a>&nbsp;
-<a href="https://blog.csdn.net/weixin_40902527/article/details/97137898"><img src="./20190906091440.png" height="150" /></a>&nbsp;
+<a href="https://blog.csdn.net/weixin_40902527/article/details/100561094"><img src="./20190905163012776.png" height="80%" width="80%" /></a><br>
+
+cesium 整合的三维效果<br>
+
+1.轨迹回放 <br>
+2.三维效果<br>
+3.图层<br>
+4.模型<br>
+5.图标<br>
+6.绘图,量测工具,标绘<br>
+
+支持动态修改配置<br>
+<a href="https://blog.csdn.net/weixin_40902527/article/details/97137898"><img src="./20190906091434.png"  height="80%" width="80%" /><br>
+<a href="https://blog.csdn.net/weixin_40902527/article/details/97137898"><img src="./20190906091440.png" height="80%" width="80%" /><br>
 <a href="https://blog.csdn.net/weixin_40902527/article/details/97137898"><img src="./VisualTool/examples/img/communication.gif" height="150" /></a>&nbsp;
 <a href="https://blog.csdn.net/weixin_40902527/article/details/97137898"><img src="./VisualTool/examples/img/2d_wind.gif" height="150" /></a>&nbsp;
 <a href="https://blog.csdn.net/weixin_40902527/article/details/97137898"><img src="./VisualTool/examples/img/flight.gif" height="150" /></a>&nbsp;