diff --git a/README.md b/README.md
index 9ed46e6..810fda9 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
-# MOBI METADATA
+# MOBI Metadata
 
 > Display and edit metadata of MOBI or AZW3 file.
 
 This project is a fork of [Java-Mobi-Metadata-Editor](https://github.com/kwkoo/Java-Mobi-Metadata-Editor), which removes the GUI, uses a simple command line to modify eBook metadata, and allows more detailed data to be displayed.
 
-## Usage
+## Usages
 
 ```
 Usage:
@@ -26,9 +26,13 @@ Examples:
   java -jar mobi-meta.jar edit origin.mobi new.mobi --asin ASIN --ebok
 ```
 
-## Example
+## Examples
 
-**Read and display metadata**
+### Read and display metadata
+
+<details>
+
+<summary><b>Expand</b></summary>
 
 ```bash
 $ java -jar mobi-meta.jar show 栩栩若生.azw3
@@ -119,7 +123,13 @@ Huffman Table Length: 0
 ================================================================
 ```
 
-**Modify eBook metadata**
+</details>
+
+### Modify eBook metadata
+
+<details>
+
+<summary><b>Expand</b></summary>
 
 ```bash
 $ java -jar mobi-meta.jar edit 栩栩若生.azw3 test.azw3 --pdoc --name 书名 --author 佚名 --isbn 我是ISBN --asin 我是ASIN
@@ -225,6 +235,8 @@ Huffman Table Length: 0
 ================================================================
 ```
 
+</details>
+
 ## Build
 
 ```bash