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-# 验证码场景实例
+# 验证码场景合集
 
 ### 介绍
 
 本示例介绍了文本框显示光标、底部加横条、背景颜色改变、选择验证码、滑块验证码五种验证码实例。
 
 ### 效果预览
+| 文本框显示光标                                | 底部加横条                                   | 背景颜色改变                                      | 选择验证码                                   |
+|----------------------------------------|-----------------------------------------|---------------------------------------------|-----------------------------------------|
+| ![image](screenshots/device/text.gif)  | ![image](screenshots/device/bottom.gif) | ![image](screenshots/device/background.gif) | ![image](screenshots/device/choose.gif) |
+| 滑动验证码                                  |
+| ![image](screenshots/device/slide.gif) |
 
-![](screenshots/device/verification.gif)
-
-使用说明：
+### 使用说明：
 
 加载完成后显示首页的5个验证码实例，点击对应按钮，进入相应的验证码页面：
 1. 文本框显示光标：输入数字光标会移动到下一个文本框，同时下边框变色。
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