Update README.md

README.md

@@ -1,6 +1,5 @@
 ---
 license: cc-by-nc-nd-4.0
-viewer: false
 ---
 
 # 简介 Intro
@@ -25,14 +24,8 @@ cd CBIR
 ```python
 from datasets import load_dataset
 
-ds = load_dataset("Genius-Society/CBIR", name="default")
-for item in ds["train"]:
-    print(item)
-
-for item in ds["validation"]:
-    print(item)
-
-for item in ds["test"]:
+ds = load_dataset("Genius-Society/CBIR", name="default", split="train")
+for item in ds:
     print(item)
 ```