diff --git a/README.md b/README.md
index 16f52f6..a2b75e9 100644
--- a/README.md
+++ b/README.md
@@ -10,10 +10,15 @@ go语言社区版本：https://github.com/qichengzx/coordtransform
 
 ****
 
+### DataV Atlas分析地图免费试用
+<a href="https://free.aliyun.com/?searchKey=atlas" target="_blank">
+    <img src="https://img.alicdn.com/imgextra/i3/O1CN01GqkEhC2AEpeHYwjp9_!!6000000008172-0-tps-1562-96.jpg" alt="DataV Atlas分析地图" width="800"/>
+</a>
+
 ### 喜欢请扫码
-关注DataV数据可视化公众号，获取更多知识
+扫码关注DataV数据可视化公众号，获取更多知识
 
-<img src="https://img.alicdn.com/imgextra/i4/O1CN01pG1cIy1iLPnvfYhKm_!!6000000004396-0-tps-1280-1280.jpg" width="300px" height="300px" alt="DataV数据可视化公众号二维码">
+<img src="https://img.alicdn.com/imgextra/i4/O1CN01pG1cIy1iLPnvfYhKm_!!6000000004396-0-tps-1280-1280.jpg" width="80px" alt="DataV数据可视化公众号二维码">
 
 ## **支持node、浏览器（AMD方式和直接引用方式）**
 - GitHub地址：https://github.com/wandergis/coordtransform