feat(README.md): update README.md

README.md

@@ -59,4 +59,13 @@ tags:
 - social
 size_categories:
 - 1K<n<10K
----
+---
+
+### How to loading dataset?
+```python
+from datasets import load_dataset
+datasets = load_dataset("minskiter/weibo",save_infos=True)
+train,validation,test = datasets['train'],datasets['validation'],datasets['test']
+# convert label to str
+print(train.features['labels'].feature.int2str(0))
+```