diff --git a/pom.xml b/pom.xml
index 50bf3a4..61e8723 100644
--- a/pom.xml
+++ b/pom.xml
@@ -75,13 +75,6 @@
             <artifactId>spring-boot-starter-validation</artifactId>
         </dependency>
 
-        <!--图形验证码依赖 -->
-        <dependency>
-            <groupId>com.github.penggle</groupId>
-            <artifactId>kaptcha</artifactId>
-            <version>2.3.2</version>
-        </dependency>
-
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
@@ -139,6 +132,11 @@
             <artifactId>hutool-core</artifactId>
             <version>5.8.16</version>
         </dependency>
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-captcha</artifactId>
+            <version>5.8.16</version>
+        </dependency>
 
         <dependency>
             <groupId>org.springdoc</groupId>
diff --git a/src/main/java/xyz/playedu/api/config/KaptchaConfig.java b/src/main/java/xyz/playedu/api/config/KaptchaConfig.java
deleted file mode 100644
index 786ac31..0000000
--- a/src/main/java/xyz/playedu/api/config/KaptchaConfig.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright 2023 杭州白书科技有限公司
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package xyz.playedu.api.config;
-
-import static com.google.code.kaptcha.Constants.*;
-
-import com.google.code.kaptcha.impl.DefaultKaptcha;
-import com.google.code.kaptcha.util.Config;
-
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-
-import java.util.Properties;
-
-@Configuration
-public class KaptchaConfig {
-
-    @Bean(name = "captchaProducer")
-    public DefaultKaptcha getKaptchaBean() {
-        DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
-        Properties properties = new Properties();
-        // 是否边框
-        properties.setProperty(KAPTCHA_BORDER, "no");
-        // 字符颜色
-        properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_COLOR, "red");
-        // 干扰线颜色
-        properties.setProperty(KAPTCHA_NOISE_COLOR, "red");
-        // 字符间距
-        properties.setProperty(KAPTCHA_TEXTPRODUCER_CHAR_SPACE, "5");
-        // 图片宽度
-        properties.setProperty(KAPTCHA_IMAGE_WIDTH, "120");
-        // 图片高度
-        properties.setProperty(KAPTCHA_IMAGE_HEIGHT, "50");
-        // 字符大小
-        properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_SIZE, "40");
-        // 字符长度
-        properties.setProperty(KAPTCHA_TEXTPRODUCER_CHAR_LENGTH, "4");
-        // 字体样式
-        properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_NAMES, "Arial,Courier");
-
-        defaultKaptcha.setConfig(new Config(properties));
-
-        return defaultKaptcha;
-    }
-}
diff --git a/src/main/java/xyz/playedu/api/service/impl/ImageCaptchaServiceImpl.java b/src/main/java/xyz/playedu/api/service/impl/ImageCaptchaServiceImpl.java
index 662b6de..a912782 100644
--- a/src/main/java/xyz/playedu/api/service/impl/ImageCaptchaServiceImpl.java
+++ b/src/main/java/xyz/playedu/api/service/impl/ImageCaptchaServiceImpl.java
@@ -15,27 +15,19 @@
  */
 package xyz.playedu.api.service.impl;
 
-import com.google.code.kaptcha.impl.DefaultKaptcha;
-
-import jakarta.annotation.Resource;
+import cn.hutool.captcha.CaptchaUtil;
+import cn.hutool.captcha.LineCaptcha;
 
 import lombok.extern.slf4j.Slf4j;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
-import org.springframework.util.FastByteArrayOutputStream;
 
 import xyz.playedu.api.service.ImageCaptchaService;
 import xyz.playedu.api.types.ImageCaptchaResult;
-import xyz.playedu.api.util.Base64Util;
 import xyz.playedu.api.util.HelperUtil;
 import xyz.playedu.api.util.RedisUtil;
 
-import java.awt.image.BufferedImage;
-import java.io.IOException;
-
-import javax.imageio.ImageIO;
-
 @Slf4j
 @Service
 public class ImageCaptchaServiceImpl implements ImageCaptchaService {
@@ -46,29 +38,21 @@ public class ImageCaptchaServiceImpl implements ImageCaptchaService {
     @Value("${playedu.captcha.expire}")
     private Long ConfigExpire;
 
-    @Resource private DefaultKaptcha defaultKaptcha;
-
     @Override
-    public ImageCaptchaResult generate() throws IOException {
+    public ImageCaptchaResult generate() {
         ImageCaptchaResult imageCaptcha = new ImageCaptchaResult();
-        BufferedImage image;
+
+        // 生成验证码
+        LineCaptcha lineCaptcha = CaptchaUtil.createLineCaptcha(240, 100, 4, 1);
 
         // 图形验证码的key[api是无状态的需要key来锁定验证码的值]
         String randomKey = HelperUtil.randomString(16);
         imageCaptcha.setKey(randomKey);
-
-        // 生成验证码
-        imageCaptcha.setCode(defaultKaptcha.createText());
-        image = defaultKaptcha.createImage(imageCaptcha.getCode());
+        imageCaptcha.setCode(lineCaptcha.getCode());
+        imageCaptcha.setImage("data:image/png;base64," + lineCaptcha.getImageBase64());
 
         // 写入到redis中
-        RedisUtil.set(getCacheKey(randomKey), imageCaptcha.getCode(), ConfigExpire);
-
-        FastByteArrayOutputStream os = new FastByteArrayOutputStream();
-        ImageIO.write(image, "png", os);
-
-        String base64 = "data:image/png;base64," + Base64Util.encode(os.toByteArray());
-        imageCaptcha.setImage(base64);
+        RedisUtil.set(getCacheKey(imageCaptcha.getKey()), imageCaptcha.getCode(), ConfigExpire);
 
         return imageCaptcha;
     }