Update README.md

README.md

@@ -25,7 +25,7 @@ def get_img_names(img_path, prefix = "path_to_all_single_images"):
 ```
 # The image file structure is:
 
-1. all_single_images: all of the single images used
+1. all_single_images: all of the single images used, [Baiduyunpan download link](https://pan.baidu.com/s/1fr8A0sqDxWuznsZEC_bHrQ?pwd=tzp5)
 2. llvisionqa_compare_dev: the concatenated images for the dev subset of the perception-compare task
 3. llvisionqa_compare_test: the concatenated images for the test subset of the perception-compare task
 4. lldescribe_compare: the concatenated images for the description-compare task