diff --git a/README.md b/README.md
index 2c997c5..8703d72 100644
--- a/README.md
+++ b/README.md
@@ -5,12 +5,18 @@ Thanks the great projects:
 2. [**elasticsearch**](https://github.com/elastic/elasticsearch)
 3. [**HanLP**](https://github.com/hankcs/HanLP)
 
-# Install lib
+# Build
+
+## Install lib
  ```bash
 gradle mvn
 ```
 
-# Import HanLP data
+## Import HanLP data
 
 1. Download HanLP data.See here [HanLP Releases](https://github.com/hankcs/HanLP/releases)
 2. Modify the data root in [config](config/hanlp.properties), change the ${data.root} to your own HanLP root data dir
+
+# Notice
+
+Package `com.hankcs.lucene` copy from [hanlp-lucene-plugin](https://github.com/hankcs/hanlp-lucene-plugin)