diff --git a/README.md b/README.md
index 9bee5c3..e3d7edb 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ from towhee import dc
 
 
 dc.stream(["Hello, world."])
-  .text_embedding.transformers('distilbert-base-cased')
+  .text_embedding.transformers(model_name="distilbert-base-cased")
   .show()
 ```
 
diff --git a/auto_transformers.py b/auto_transformers.py
index 80e2a55..955ba6f 100644
--- a/auto_transformers.py
+++ b/auto_transformers.py
@@ -12,15 +12,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
 import numpy
-
 from transformers import AutoTokenizer, AutoModel
 
 from towhee.operator import NNOperator
 from towhee import register
 
 import warnings
+import logging
 
 warnings.filterwarnings('ignore')
 logging.getLogger("transformers").setLevel(logging.ERROR)