Update url.md

README.md

@@ -29,7 +29,7 @@ docker run --rm --shm-size 10g --network=host --name=vit_migraphx --privileged -
 ```
 
 ## 数据集
-下载推理数据[flower_photos.tgz](http://113.200.138.88:18080/aidatasets/project-dependency/flower_photos/-/raw/master/flower_photos.tgz)
+下载推理数据[flower_photos.tgz](https://storage.googleapis.com/download.tensorflow.org/example_images/flower_photos.tgz)
 
 数据结构如下：
 ```