diff --git a/README.md b/README.md
index be9eb87..3265dfb 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,8 @@ to generate a text embedding for the sentence "Hello, world.".
 import towhee
 
 towhee.dc(["Hello, world."]) \
-      .text_embedding.longformer(model_name=c"allenai/longformer-base-4096")
+      .text_embedding.longformer(model_name="allenai/longformer-base-4096") \
+      .to_list()
 ```
 
 <br />
@@ -42,7 +43,7 @@ towhee.dc(["Hello, world."]) \
 
 Create the operator via the following factory method:
 
-***text_embedding.dpr(model_name="allenai/longformer-base-4096")***
+***text_embedding.longformer(model_name="allenai/longformer-base-4096")***
 
 **Parameters:**
 
@@ -77,4 +78,4 @@ The text in string.
 
 ​    *numpy.ndarray*
 
-​	The text embedding extracted by model.
\ No newline at end of file
+​	The text embedding extracted by model.