diff --git a/pom.xml b/pom.xml
index 6c2c61d..696cbbf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>cloud.tianai.captcha</groupId>
     <artifactId>tianai-captcha</artifactId>
-    <version>1.3.0</version>
+    <version>1.2.5</version>
 
     <name>tianai-captcha</name>
     <description>滑块验证码</description>
diff --git a/readme.md b/readme.md
index 61dc8a5..54d19c5 100644
--- a/readme.md
+++ b/readme.md
@@ -21,7 +21,7 @@
     <dependency>
         <groupId>cloud.tianai.captcha</groupId>
         <artifactId>tianai-captcha</artifactId>
-        <version>1.3.0</version>
+        <version>1.2.5</version>
     </dependency>
 ```
 2. 使用 `SliderCaptchaTemplate`获取滑块验证码
diff --git a/src/main/java/cloud/tianai/captcha/template/slider/StandardSliderCaptchaTemplate.java b/src/main/java/cloud/tianai/captcha/template/slider/StandardSliderCaptchaTemplate.java
index d478cee..b298e03 100644
--- a/src/main/java/cloud/tianai/captcha/template/slider/StandardSliderCaptchaTemplate.java
+++ b/src/main/java/cloud/tianai/captcha/template/slider/StandardSliderCaptchaTemplate.java
@@ -14,7 +14,7 @@ import java.io.InputStream;
 import java.util.*;
 import java.util.concurrent.ThreadLocalRandom;
 
-import static cloud.tianai.captcha.template.slider.CaptchaImageUtils.*;
+import static cloud.tianai.captcha.template.slider.util.CaptchaImageUtils.*;
 
 /**
  * @Author: 天爱有情
diff --git a/src/main/java/cloud/tianai/captcha/template/slider/CaptchaImageUtils.java b/src/main/java/cloud/tianai/captcha/template/slider/util/CaptchaImageUtils.java
similarity index 97%
rename from src/main/java/cloud/tianai/captcha/template/slider/CaptchaImageUtils.java
rename to src/main/java/cloud/tianai/captcha/template/slider/util/CaptchaImageUtils.java
index 747766f..c60e99a 100644
--- a/src/main/java/cloud/tianai/captcha/template/slider/CaptchaImageUtils.java
+++ b/src/main/java/cloud/tianai/captcha/template/slider/util/CaptchaImageUtils.java
@@ -1,4 +1,4 @@
-package cloud.tianai.captcha.template.slider;
+package cloud.tianai.captcha.template.slider.util;
 
 import lombok.SneakyThrows;
 
@@ -25,6 +25,8 @@ public class CaptchaImageUtils {
         if (resourceImage == null) {
             throw new IllegalArgumentException("包装文件到 BufferedImage 失败， file不能为空");
         }
+        // 关闭磁盘缓存
+        ImageIO.setUseCache(false);
         return ImageIO.read(resourceImage);
     }
 
@@ -33,6 +35,8 @@ public class CaptchaImageUtils {
         if (resource == null) {
             throw new IllegalArgumentException("包装文件到 BufferedImage 失败， file不能为空");
         }
+        // 关闭磁盘缓存
+        ImageIO.setUseCache(false);
         return ImageIO.read(resource);
     }