diff --git a/README.md b/README.md
index c213501..e6ce35e 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,14 @@
 # EasyCaptcha
 
+![GitHub release](https://img.shields.io/github/release/whvcse/EasyCaptcha.svg?style=flat-square)
+![GitHub Release Date](https://img.shields.io/github/release-date/whvcse/EasyCaptcha.svg?style=flat-square)
+![JitPack](https://img.shields.io/jitpack/v/whvcse/EasyCaptcha.svg?style=flat-square)
+![Hex.pm](https://img.shields.io/hexpm/l/plug.svg?style=flat-square)
+
+
 ## 1.简介
 
-  Java图形验证码，支持gif验证码，可用于Java Web、JavaSE和Android项目。
+  Java图形验证码，支持gif验证码，可用于Java Web、JavaSE项目。
 
 
 ## 2.效果展示
@@ -146,4 +152,48 @@ public class MainController {
 
 ## 4.更多设置
 
-###
+### 4.1.使用Gif验证码
+
+```java
+public class Test {
+    
+    public static void main(String[] args) {
+        OutputStream outputStream = new FileOutputStream(new File("D:/a/aa.gif"));
+        
+        // 三个参数分别为宽、高、位数
+        GifCaptcha gifCaptcha = new GifCaptcha(130, 48, 5);
+        
+        // 设置字体
+        gifCaptcha.setFont(new Font("Verdana", Font.PLAIN, 32));  // 有默认字体，可以不用设置
+        
+        // 生成的验证码
+        String code = gifCaptcha.text();
+        
+        // 输出图片流
+        gifCaptcha.out(outputStream);
+    }
+}
+```
+
+### 4.2.使用png验证码
+
+```java
+public class Test {
+    
+    public static void main(String[] args) {
+        OutputStream outputStream = new FileOutputStream(new File("D:/a/aa.gif"));
+        
+        // 三个参数分别为宽、高、位数
+        SpecCaptcha specCaptcha = new SpecCaptcha(130, 48, 5);
+        
+        // 设置字体
+        specCaptcha.setFont(new Font("Verdana", Font.PLAIN, 32));  // 有默认字体，可以不用设置
+        
+        // 生成的验证码
+        String code = specCaptcha.text();
+        
+        // 输出图片流
+        specCaptcha.out(outputStream);
+    }
+}
+```
\ No newline at end of file
diff --git a/src/test/java/com/wf/captcha/CaptchaTest.java b/src/test/java/com/wf/captcha/CaptchaTest.java
index 641bf70..2385e9d 100644
--- a/src/test/java/com/wf/captcha/CaptchaTest.java
+++ b/src/test/java/com/wf/captcha/CaptchaTest.java
@@ -2,6 +2,7 @@ package com.wf.captcha;
 
 import org.junit.Test;
 
+import java.awt.*;
 import java.io.File;
 import java.io.FileOutputStream;
 
@@ -20,8 +21,8 @@ public class CaptchaTest {
 
     @Test
     public void testGIf() throws Exception {
-        GifCaptcha specCaptcha = new GifCaptcha(130, 48, 5);
-        System.out.println(specCaptcha.text());
-        //specCaptcha.out(new FileOutputStream(new File("D:/a/aa.gif")));
+        GifCaptcha gifCaptcha = new GifCaptcha(130, 48, 5);
+        System.out.println(gifCaptcha.text());
+        //gifCaptcha.out(new FileOutputStream(new File("D:/a/aa.gif")));
     }
 }