diff --git a/README.md b/README.md
index 185ea52..5ee4f27 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ p = AutoPipes.pipeline('eqa-insert', config=config)
 res = p('https://github.com/towhee-io/towhee/blob/main/README.md')
 ```
 
-Then you can run `collection.num_entities` to check the number of the data in Milvus as a knowledge base.
+Then you can run `collection.flush() ` and `collection.num_entities` to check the number of the data in Milvus as a knowledge base.
 
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