diff --git a/readme.txt b/readme.txt
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--- a/readme.txt
+++ b/readme.txt
@@ -1,3 +1,6 @@
+0、示例数据见iris内部网盘
+http://172.16.0.251/nextcloud/index.php/s/gyG4FTtyHZ5X4CF?path=%2F%E6%B0%B4%E4%BD%93%E5%90%AB%E9%87%8F%2F%E6%B0%B4%E4%BD%93%E7%A4%BA%E4%BE%8B%E6%95%B0%E6%8D%AE
+
 1、环境搭建注意事项
 python版本：3.13.1
 gdal whl文件下载路径：https://github.com/cgohlke/geospatial-wheels/releases