U 优化

src/main/test/java/example/readme/Test6.java

@@ -2,6 +2,7 @@ package example.readme;
 
 import cloud.tianai.captcha.generator.ImageCaptchaGenerator;
 import cloud.tianai.captcha.generator.impl.MultiImageCaptchaGenerator;
+import cloud.tianai.captcha.generator.impl.transform.Base64ImageTransform;
 import cloud.tianai.captcha.resource.ImageCaptchaResourceManager;
 import cloud.tianai.captcha.resource.impl.DefaultImageCaptchaResourceManager;
 
@@ -10,6 +11,6 @@ public class Test6 {
         ImageCaptchaResourceManager imageCaptchaResourceManager = new DefaultImageCaptchaResourceManager();
         //为方便快速上手 系统本身自带了一张图片和两套滑块模板，如果不想用系统自带的可以不让它加载系统自带的
         // 第二个构造参数设置为false时将不加载默认的图片和模板
-        ImageCaptchaGenerator imageCaptchaGenerator = new MultiImageCaptchaGenerator(imageCaptchaResourceManager).init(false);
+        ImageCaptchaGenerator imageCaptchaGenerator = new MultiImageCaptchaGenerator(imageCaptchaResourceManager,new Base64ImageTransform()).init(false);
     }
 }