diff --git a/README.md b/README.md
index 96229e0..f16b83f 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ from towhee import DataLoader, pipe, ops
 p = (
     pipe.input('url')
     .map('url', 'text', ops.text_loader())
-    .flat_map('text', 'sentence', text_split_op)
+    .flat_map('text', 'sentence', ops.text_splitter())
     .map('sentence', 'embedding', ops.sentence_embedding.transformers(model_name='all-MiniLM-L6-v2'))
     .map('embedding', 'embedding', ops.towhee.np_normalize())
     .output('embedding')
@@ -31,11 +31,11 @@ p = (
 
 # table cols: id, image_path, label
 
-for data in DataLoader(ops.data_source.readthedocs('https://towhee.readthedocs.io/en/latest/', include='*html')):
+for data in DataLoader(ops.data_source.readthedocs('https://towhee.readthedocs.io/en/latest/', include='html')):
     print(p(data).to_list(kv_format=True))
 
 # batch
-for data in DataLoader(ops.data_source.readthedocs('https://towhee.readthedocs.io/en/latest/', include='*html'), batch_size=10):
+for data in DataLoader(ops.data_source.readthedocs('https://towhee.readthedocs.io/en/latest/', include='html'), batch_size=10):
     p.batch(data)
 ```
 
diff --git a/docs_reader.py b/docs_reader.py
index c9191c9..4c8aecf 100644
--- a/docs_reader.py
+++ b/docs_reader.py
@@ -26,7 +26,7 @@ class DocsReader(PyOperator):
     def __init__(self,
                  page_prefix: str,
                  index_page: str = None,
-                 include: Union[List[str], str] = '.*',
+                 include: Union[List[str], str] = '',
                  exclude: Union[List[str], str] = None
                  ):