diff --git a/novel-admin/pom.xml b/novel-admin/pom.xml
index bef14df..9cb9f59 100644
--- a/novel-admin/pom.xml
+++ b/novel-admin/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.java2nb</groupId>
     <artifactId>novel-admin</artifactId>
-    <version>5.2.6</version>
+    <version>5.3.0</version>
     <packaging>jar</packaging>
 
     <name>novel-admin</name>
diff --git a/novel-admin/src/main/java/com/java2nb/common/config/Constant.java b/novel-admin/src/main/java/com/java2nb/common/config/Constant.java
index 91b8a57..f4636b7 100644
--- a/novel-admin/src/main/java/com/java2nb/common/config/Constant.java
+++ b/novel-admin/src/main/java/com/java2nb/common/config/Constant.java
@@ -15,7 +15,7 @@ public class Constant {
     //通知公告阅读状态-已读
     public static int OA_NOTIFY_READ_YES = 1;
     //部门根节点id
-    public static Long DEPT_ROOT_ID = 0l;
+    public static Long DEPT_ROOT_ID = 0L;
     //缓存方式
     public static String CACHE_TYPE_REDIS = "redis";
 
@@ -23,5 +23,6 @@ public class Constant {
 
     public static final String UPLOAD_FILES_PREFIX = "/files/";
 
+    public static final String BOOK_IS_DOWNLOADING_KEY = "bookIsDownloading:";
 
 }
diff --git a/novel-admin/src/main/java/com/java2nb/common/utils/SortWhitelistUtil.java b/novel-admin/src/main/java/com/java2nb/common/utils/SortWhitelistUtil.java
index a6acdec..94e415c 100644
--- a/novel-admin/src/main/java/com/java2nb/common/utils/SortWhitelistUtil.java
+++ b/novel-admin/src/main/java/com/java2nb/common/utils/SortWhitelistUtil.java
@@ -11,7 +11,7 @@ import java.util.Set;
 public class SortWhitelistUtil {
 
     // 白名单字段
-    private static final Set<String> ALLOWED_COLUMNS = Set.of("id", "name", "order_num");
+    private static final Set<String> ALLOWED_COLUMNS = Set.of("id", "name", "order_num","index_num");
 
     // 白名单排序方式
     private static final Set<String> ALLOWED_ORDERS = Set.of("asc", "desc");
diff --git a/novel-admin/src/main/java/com/java2nb/novel/controller/BookController.java b/novel-admin/src/main/java/com/java2nb/novel/controller/BookController.java
index 0d03432..371ac48 100644
--- a/novel-admin/src/main/java/com/java2nb/novel/controller/BookController.java
+++ b/novel-admin/src/main/java/com/java2nb/novel/controller/BookController.java
@@ -1,10 +1,24 @@
 package com.java2nb.novel.controller;
 
+import java.io.OutputStream;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
 
+import com.java2nb.common.config.Constant;
+import com.java2nb.novel.domain.BookContentDO;
+import com.java2nb.novel.domain.BookIndexDO;
+import com.java2nb.novel.service.BookContentService;
+import com.java2nb.novel.service.BookIndexService;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.shiro.authz.annotation.RequiresPermissions;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -22,6 +36,9 @@ import com.java2nb.common.utils.PageBean;
 import com.java2nb.common.utils.Query;
 import com.java2nb.common.utils.R;
 
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
 /**
  * 小说表
  *
@@ -30,12 +47,34 @@ import com.java2nb.common.utils.R;
  * @date 2020-12-01 03:49:46
  */
 
+@Slf4j
 @Controller
 @RequestMapping("/novel/book")
 public class BookController {
+
     @Autowired
     private BookService bookService;
 
+    @Autowired
+    private RedisTemplate<String, String> redisTemplate;
+
+    @Autowired
+    private BookIndexService bookIndexService;
+
+    @Autowired
+    private BookContentService bookContentService;
+
+
+    private final Pattern PATTERN_BR = Pattern.compile("<br\\s*/?>", Pattern.CASE_INSENSITIVE);
+    private final Pattern PATTERN_NBSP = Pattern.compile("&nbsp;", Pattern.CASE_INSENSITIVE);
+    private final Pattern PATTERN_ANCHOR_OPEN = Pattern.compile("<a[^>]*>", Pattern.CASE_INSENSITIVE);
+    private final Pattern PATTERN_ANCHOR_CLOSE = Pattern.compile("</a>", Pattern.CASE_INSENSITIVE);
+    private final Pattern PATTERN_DIV_OPEN = Pattern.compile("<div[^>]*>", Pattern.CASE_INSENSITIVE);
+    private final Pattern PATTERN_DIV_CLOSE = Pattern.compile("</div>", Pattern.CASE_INSENSITIVE);
+    private final Pattern PATTERN_EMPTY_PARAGRAPH_WITH_LINK = Pattern.compile("<p[^>]*>[^<]*<a[^>]*>[^<]*</a>\\s*</p>", Pattern.CASE_INSENSITIVE);
+    private final Pattern PATTERN_P_OPEN = Pattern.compile("<p[^>]*>", Pattern.CASE_INSENSITIVE);
+    private final Pattern PATTERN_P_CLOSE = Pattern.compile("</p>", Pattern.CASE_INSENSITIVE);
+
     @GetMapping()
     @RequiresPermissions("novel:book:book")
     String Book() {
@@ -66,7 +105,7 @@ public class BookController {
     @GetMapping("/edit/{id}")
     @RequiresPermissions("novel:book:edit")
     String edit(@PathVariable("id") Long id, Model model) {
-            BookDO book = bookService.get(id);
+        BookDO book = bookService.get(id);
         model.addAttribute("book", book);
         return "novel/book/edit";
     }
@@ -75,7 +114,7 @@ public class BookController {
     @GetMapping("/detail/{id}")
     @RequiresPermissions("novel:book:detail")
     String detail(@PathVariable("id") Long id, Model model) {
-			BookDO book = bookService.get(id);
+        BookDO book = bookService.get(id);
         model.addAttribute("book", book);
         return "novel/book/detail";
     }
@@ -87,7 +126,7 @@ public class BookController {
     @ResponseBody
     @PostMapping("/save")
     @RequiresPermissions("novel:book:add")
-    public R save( BookDO book) {
+    public R save(BookDO book) {
         if (bookService.save(book) > 0) {
             return R.ok();
         }
@@ -101,8 +140,8 @@ public class BookController {
     @ResponseBody
     @RequestMapping("/update")
     @RequiresPermissions("novel:book:edit")
-    public R update( BookDO book) {
-            bookService.update(book);
+    public R update(BookDO book) {
+        bookService.update(book);
         return R.ok();
     }
 
@@ -113,7 +152,7 @@ public class BookController {
     @PostMapping("/remove")
     @ResponseBody
     @RequiresPermissions("novel:book:remove")
-    public R remove( Long id) {
+    public R remove(Long id) {
         if (bookService.remove(id) > 0) {
             return R.ok();
         }
@@ -128,8 +167,83 @@ public class BookController {
     @ResponseBody
     @RequiresPermissions("novel:book:batchRemove")
     public R remove(@RequestParam("ids[]") Long[] ids) {
-            bookService.batchRemove(ids);
+        bookService.batchRemove(ids);
         return R.ok();
     }
 
+    /**
+     * 小说下载
+     */
+    @RequestMapping(value = "/download")
+    public void download(@RequestParam("bookId") Long bookId, @RequestParam("bookName") String bookName,
+        HttpServletResponse resp) {
+        try {
+            OutputStream out = resp.getOutputStream();
+            Boolean success = redisTemplate
+                .opsForValue()
+                .setIfAbsent(Constant.BOOK_IS_DOWNLOADING_KEY + bookId, "1", 10, TimeUnit.MINUTES);
+            if (Boolean.FALSE.equals(success)) {
+                resp.setContentType("text/html;charset=UTF-8");
+                out.write("该小说正在下载中，请稍后重试！".getBytes(StandardCharsets.UTF_8));
+                out.close();
+                return;
+            }
+            //设置响应头，对文件进行url编码
+            bookName = URLEncoder.encode(bookName, StandardCharsets.UTF_8);
+            //解决手机端不能下载附件的问题
+            resp.setContentType("application/octet-stream");
+            resp.setHeader("Content-Disposition", "attachment;filename=" + bookName + ".txt");
+
+            Map<String, Object> params = new HashMap<>();
+            params.put("bookId", bookId);
+            params.put("sort", "index_num");
+            params.put("order", "asc");
+            params.put("limit", 9999);
+            params.put("offset", 0);
+            List<BookIndexDO> bookIndexBigList = bookIndexService.list(params);
+            if (!bookIndexBigList.isEmpty()) {
+                List<List<BookIndexDO>> bookIndexSmallList = bookIndexBigList.stream().collect(
+                    Collectors.groupingBy(item -> bookIndexBigList.indexOf(item) / 100)).values().stream().toList();
+                for (List<BookIndexDO> bookIndexList : bookIndexSmallList) {
+                    // 获取集合中所有的ID
+                    List<Long> bookIndexIds = bookIndexList.stream().map(BookIndexDO::getId).toList();
+                    List<BookContentDO> bookContentList = bookContentService.listByIndexIds(bookIndexIds);
+                    Map<Long, String> bookContentMap = bookContentList.stream()
+                        .collect(Collectors.toMap(BookContentDO::getIndexId, BookContentDO::getContent));
+                    for (BookIndexDO bookIndex : bookIndexList) {
+                        String indexName = bookIndex.getIndexName();
+                        if (indexName != null) {
+                            String content = bookContentMap.get(bookIndex.getId());
+                            out.write(indexName.getBytes(StandardCharsets.UTF_8));
+                            out.write("\r\n".getBytes(StandardCharsets.UTF_8));
+                            content = PATTERN_BR.matcher(content).replaceAll("\r\n");
+                            content = PATTERN_NBSP.matcher(content).replaceAll(" ");
+                            content = PATTERN_ANCHOR_OPEN.matcher(content).replaceAll("");
+                            content = PATTERN_ANCHOR_CLOSE.matcher(content).replaceAll("");
+                            content = PATTERN_DIV_OPEN.matcher(content).replaceAll("");
+                            content = PATTERN_DIV_CLOSE.matcher(content).replaceAll("");
+                            content = PATTERN_EMPTY_PARAGRAPH_WITH_LINK.matcher(content).replaceAll("");
+                            content = PATTERN_P_OPEN.matcher(content).replaceAll("");
+                            content = PATTERN_P_CLOSE.matcher(content).replaceAll("\r\n");
+                            out.write(content.getBytes(StandardCharsets.UTF_8));
+                            out.write("\r\n".getBytes(StandardCharsets.UTF_8));
+                            out.write("\r\n".getBytes(StandardCharsets.UTF_8));
+                            out.flush();
+                        }
+                    }
+                }
+
+            }
+
+            out.close();
+
+
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
+        } finally {
+            redisTemplate.delete(Constant.BOOK_IS_DOWNLOADING_KEY + bookId);
+        }
+
+    }
+
 }
diff --git a/novel-admin/src/main/java/com/java2nb/novel/dao/BookContentDao.java b/novel-admin/src/main/java/com/java2nb/novel/dao/BookContentDao.java
index d070322..d520f05 100644
--- a/novel-admin/src/main/java/com/java2nb/novel/dao/BookContentDao.java
+++ b/novel-admin/src/main/java/com/java2nb/novel/dao/BookContentDao.java
@@ -4,6 +4,7 @@ import com.java2nb.common.annotation.SanitizeMap;
 
 import com.java2nb.novel.domain.BookContentDO;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
 import java.util.Map;
@@ -33,4 +34,6 @@ public interface BookContentDao {
     int batchRemove(Long[] ids);
 
     int removeByIndexIds(Long[] indexIds);
+
+    List<BookContentDO> listByIndexIds(@Param("indexIds") List<Long> indexIds);
 }
diff --git a/novel-admin/src/main/java/com/java2nb/novel/service/BookContentService.java b/novel-admin/src/main/java/com/java2nb/novel/service/BookContentService.java
index 83e7353..f2a3501 100644
--- a/novel-admin/src/main/java/com/java2nb/novel/service/BookContentService.java
+++ b/novel-admin/src/main/java/com/java2nb/novel/service/BookContentService.java
@@ -27,4 +27,6 @@ public interface BookContentService {
 	int remove(Long id);
 	
 	int batchRemove(Long[] ids);
+
+    List<BookContentDO> listByIndexIds(List<Long> indexIds);
 }
diff --git a/novel-admin/src/main/java/com/java2nb/novel/service/impl/BookContentServiceImpl.java b/novel-admin/src/main/java/com/java2nb/novel/service/impl/BookContentServiceImpl.java
index 8c6bbd4..0adebae 100644
--- a/novel-admin/src/main/java/com/java2nb/novel/service/impl/BookContentServiceImpl.java
+++ b/novel-admin/src/main/java/com/java2nb/novel/service/impl/BookContentServiceImpl.java
@@ -1,5 +1,6 @@
 package com.java2nb.novel.service.impl;
 
+import org.apache.ibatis.annotations.Param;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -51,5 +52,10 @@ public class BookContentServiceImpl implements BookContentService {
 	public int batchRemove(Long[] ids){
 		return bookContentDao.batchRemove(ids);
 	}
-	
+
+	@Override
+	public List<BookContentDO> listByIndexIds(List<Long> indexIds) {
+		return bookContentDao.listByIndexIds(indexIds);
+	}
+
 }
diff --git a/novel-admin/src/main/resources/mybatis/novel/BookContentMapper.xml b/novel-admin/src/main/resources/mybatis/novel/BookContentMapper.xml
index c6de681..7652d25 100644
--- a/novel-admin/src/main/resources/mybatis/novel/BookContentMapper.xml
+++ b/novel-admin/src/main/resources/mybatis/novel/BookContentMapper.xml
@@ -38,6 +38,17 @@
         </where>
     </select>
 
+    <select id="listByIndexIds" resultType="com.java2nb.novel.domain.BookContentDO">
+        select `id`,`index_id`,`content` from book_content
+        where index_id in (
+        <foreach item="item" index="index" collection="indexIds" separator=",">
+            #{item}
+        </foreach>
+        )
+
+
+    </select>
+
     <insert id="save" parameterType="com.java2nb.novel.domain.BookContentDO">
         insert into book_content
         (`id`,
diff --git a/novel-admin/src/main/resources/mybatis/novel/BookSettingMapper.xml b/novel-admin/src/main/resources/mybatis/novel/BookSettingMapper.xml
index 75fcd33..881db56 100644
--- a/novel-admin/src/main/resources/mybatis/novel/BookSettingMapper.xml
+++ b/novel-admin/src/main/resources/mybatis/novel/BookSettingMapper.xml
@@ -43,7 +43,7 @@
     </select>
 
     <select id="count" resultType="int">
-        select count(*) from book_setting t1 inner join book t2 on t1.book_id = t2.id
+        select count(*) from book_setting t1
         <where>
             <if test="id != null and id != ''">and t1.id = #{id}</if>
             <if test="bookId != null and bookId != ''">and t1.book_id = #{bookId}</if>
diff --git a/novel-admin/src/main/resources/static/js/appjs/novel/book/book.js b/novel-admin/src/main/resources/static/js/appjs/novel/book/book.js
index d605080..e5accb2 100644
--- a/novel-admin/src/main/resources/static/js/appjs/novel/book/book.js
+++ b/novel-admin/src/main/resources/static/js/appjs/novel/book/book.js
@@ -143,10 +143,14 @@ function load() {
                         field: 'id',
                         align: 'center',
                         formatter: function (value, row, index) {
+                            // 增加下载按钮
+                            var d = '<a class="btn btn-primary btn-sm" href="#" mce_href="#" title="下载TXT" onclick="downloadBook(\''
+                                + row.id
+                                + '\',\'' + row.bookName + '\')"><i class="fa fa-cloud-download"></i></a><br><br> ';
                             var r = '<a class="btn btn-warning btn-sm ' + s_remove_h + '" href="#" title="删除"  mce_href="#" onclick="remove(\''
                                 + row.id
                                 + '\')"><i class="fa fa-remove"></i></a> ';
-                            return r;
+                            return d + r;
                         }
                     }
 
@@ -249,4 +253,9 @@ function batchRemove() {
     }, function () {
 
     });
+}
+
+function downloadBook(bookId, bookName) {
+    window.open(prefix + '/download?bookId='+bookId+'&bookName='+bookName);
+
 }
\ No newline at end of file
diff --git a/novel-common/pom.xml b/novel-common/pom.xml
index 98c2c8c..f498a93 100644
--- a/novel-common/pom.xml
+++ b/novel-common/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>novel</artifactId>
         <groupId>com.java2nb</groupId>
-        <version>5.2.6</version>
+        <version>5.3.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/novel-crawl/pom.xml b/novel-crawl/pom.xml
index 3cfe319..c087ef9 100644
--- a/novel-crawl/pom.xml
+++ b/novel-crawl/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>novel</artifactId>
         <groupId>com.java2nb</groupId>
-        <version>5.2.6</version>
+        <version>5.3.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -37,6 +37,10 @@
             <artifactId>jackson-databind</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-mail</artifactId>
+        </dependency>
 
     </dependencies>
 
diff --git a/novel-crawl/src/main/build/config/application.yml b/novel-crawl/src/main/build/config/application.yml
index 6faca6a..9d54a0d 100644
--- a/novel-crawl/src/main/build/config/application.yml
+++ b/novel-crawl/src/main/build/config/application.yml
@@ -44,4 +44,32 @@ http:
     # 代理用户名
     username: bestproxy_u
     # 代理密码
-    password: bestproxy_p
\ No newline at end of file
+    password: bestproxy_p
+
+---
+
+#邮箱服务器
+spring:
+  mail:
+    host: smtp.163.com
+    #发件人昵称
+    nickname: novel-plus
+    #邮箱账户
+    username: xxyopen@163.com
+    #邮箱第三方授权码
+    password: novel123456
+
+
+# 磁盘监控配置
+disk-monitor:
+  # 是否开启磁盘监控，true-开启，false-不启用
+  enabled: false
+  # 磁盘监控间隔时间（分钟）
+  interval-minutes: 5
+  # 磁盘使用率阈值
+  warning-threshold: 85.0
+  severe-threshold: 90.0
+  critical-threshold: 95.0
+  # 告警邮件接收人列表（支持多个邮箱）
+  recipients: xxyopen@foxmail.com,12345678@qq.com
+
diff --git a/novel-crawl/src/main/java/com/java2nb/novel/core/bean/DiskInfo.java b/novel-crawl/src/main/java/com/java2nb/novel/core/bean/DiskInfo.java
new file mode 100644
index 0000000..416ecbd
--- /dev/null
+++ b/novel-crawl/src/main/java/com/java2nb/novel/core/bean/DiskInfo.java
@@ -0,0 +1,28 @@
+package com.java2nb.novel.core.bean;
+
+import lombok.Data;
+
+/**
+ * @author xiongxiaoyang
+ * @date 2025/10/24
+ */
+@Data
+public class DiskInfo {
+
+    private String path;
+    private double totalGB;
+    private double freeGB;
+    private double usage;
+
+    public DiskInfo(String path, long totalBytes, long freeBytes, double usage) {
+        this.path = path;
+        this.totalGB = bytesToGB(totalBytes);
+        this.freeGB = bytesToGB(freeBytes);
+        this.usage = usage;
+    }
+
+    private double bytesToGB(long bytes) {
+        return bytes / (1024.0 * 1024.0 * 1024.0);
+    }
+
+}
diff --git a/novel-crawl/src/main/java/com/java2nb/novel/core/config/DiskMonitorProperties.java b/novel-crawl/src/main/java/com/java2nb/novel/core/config/DiskMonitorProperties.java
new file mode 100644
index 0000000..36a5fa9
--- /dev/null
+++ b/novel-crawl/src/main/java/com/java2nb/novel/core/config/DiskMonitorProperties.java
@@ -0,0 +1,25 @@
+package com.java2nb.novel.core.config;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+/**
+ * @author xiongxiaoyang
+ * @date 2025/10/24
+ */
+@Component
+@ConfigurationProperties(prefix = "disk-monitor")
+@Data
+public class DiskMonitorProperties {
+
+    private boolean enabled;
+    private int intervalMinutes;
+    private double warningThreshold;
+    private double severeThreshold;
+    private double criticalThreshold;
+    private List<String> recipients;
+
+}
diff --git a/novel-crawl/src/main/java/com/java2nb/novel/core/schedule/DiskMonitorSchedule.java b/novel-crawl/src/main/java/com/java2nb/novel/core/schedule/DiskMonitorSchedule.java
new file mode 100644
index 0000000..c7207fa
--- /dev/null
+++ b/novel-crawl/src/main/java/com/java2nb/novel/core/schedule/DiskMonitorSchedule.java
@@ -0,0 +1,138 @@
+package com.java2nb.novel.core.schedule;
+
+import com.java2nb.novel.core.bean.DiskInfo;
+import com.java2nb.novel.core.config.DiskMonitorProperties;
+import com.java2nb.novel.service.EmailService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+/**
+ * @author xiongxiaoyang
+ * @date 2025/10/24
+ */
+@ConditionalOnProperty(prefix = "disk-monitor", name = "enabled", havingValue = "true")
+@Service
+@RequiredArgsConstructor
+@Slf4j
+public class DiskMonitorSchedule {
+
+    private final DiskMonitorProperties properties;
+
+    private final EmailService emailService;
+
+    private final AtomicBoolean criticalAlertSent = new AtomicBoolean(false);
+
+    @Scheduled(fixedDelayString = "#{1000 * 60 * ${disk-monitor.interval-minutes}}")
+    public void checkDiskUsage() {
+        log.info("🔍 开始检查磁盘使用情况...");
+
+        File[] roots = File.listRoots();
+        List<DiskInfo> diskInfos = new ArrayList<>();
+        boolean criticalDetected = false;
+
+        for (File root : roots) {
+            String path = root.getAbsolutePath().trim();
+            if (path.isEmpty()) continue;
+            long total = root.getTotalSpace();
+            if (total == 0) continue;
+            long free = root.getFreeSpace();
+            double usage = (double)(total - free) / total * 100;
+            diskInfos.add(new DiskInfo(path, total, free, usage));
+            if (usage >= properties.getCriticalThreshold()) {
+                criticalDetected = true;
+            }
+        }
+
+        if (criticalDetected) {
+            if (criticalAlertSent.compareAndSet(false, true)) {
+                sendAlertEmail("CRITICAL", diskInfos);
+                log.error("🚨 磁盘使用率 ≥ 95%，10秒后终止进程...");
+                try {
+                    Thread.sleep(10000);
+                } catch (InterruptedException e) {
+                    Thread.currentThread().interrupt();
+                }
+                System.exit(1);
+            }
+        } else {
+            criticalAlertSent.set(false);
+            double maxUsage = diskInfos.stream().mapToDouble(DiskInfo::getUsage).max().orElse(0);
+            if (maxUsage >= properties.getSevereThreshold() && maxUsage < properties.getCriticalThreshold()) {
+                sendAlertEmail("WARNING", diskInfos);
+            } else if (maxUsage >= properties.getWarningThreshold() && maxUsage < properties.getSevereThreshold()) {
+                sendAlertEmail("INFO", diskInfos);
+            }
+        }
+    }
+
+    private void sendAlertEmail(String level, List<DiskInfo> diskInfos) {
+        Map<String, Object> model = new HashMap<>();
+        model.put("diskInfos", diskInfos);
+        model.put("alertLevel", getAlertLevelText(level));
+        model.put("icon", getIcon(level));
+        model.put("actionText", getActionText(level));
+        model.put("levelColor", getLevelColor(level));
+
+        String subject = getSubject(level);
+        emailService.sendHtmlEmail(subject, "disk_alert", model, properties.getRecipients());
+    }
+
+    private String getAlertLevelText(String level) {
+        return switch (level) {
+            case "CRITICAL" -> "严重";
+            case "WARNING" -> "警告";
+            case "INFO" -> "提示";
+            default -> "通知";
+        };
+    }
+
+    private String getIcon(String level) {
+        return switch (level) {
+            case "CRITICAL" -> "🚨";
+            case "WARNING" -> "⚠️";
+            case "INFO" -> "💡";
+            default -> "📢";
+        };
+    }
+
+    private String getActionText(String level) {
+        return switch (level) {
+            case "CRITICAL" ->
+                "⚠️ 检测到任一磁盘使用率 ≥ 95%，为防止系统崩溃，系统已自动<strong style='color:#d32f2f'>关闭爬虫程序</strong>。";
+            case "WARNING" ->
+                "📌 建议：<strong style='color:#f57c00'>请立即暂停爬虫程序</strong>，防止磁盘写满导致服务中断。";
+            case "INFO" ->
+                "📌 提示：磁盘使用率已较高，请关注爬虫数据写入情况。";
+            default -> "";
+        };
+    }
+
+    private String getLevelColor(String level) {
+        return switch (level) {
+            case "CRITICAL" -> "#d32f2f";
+            case "WARNING" -> "#f57c00";
+            case "INFO" -> "#388e3c";
+            default -> "#1976d2";
+        };
+    }
+
+    private String getSubject(String level) {
+        return switch (level) {
+            case "CRITICAL" -> "🚨 严重告警：磁盘使用率超 95%，爬虫已关闭";
+            case "WARNING" -> "⚠️ 警告：磁盘使用率超 90%，请暂停爬虫";
+            case "INFO" -> "💡 提示：磁盘使用率超 85%";
+            default -> "磁盘使用率告警";
+        };
+    }
+
+}
diff --git a/novel-crawl/src/main/java/com/java2nb/novel/service/EmailService.java b/novel-crawl/src/main/java/com/java2nb/novel/service/EmailService.java
new file mode 100644
index 0000000..474da6d
--- /dev/null
+++ b/novel-crawl/src/main/java/com/java2nb/novel/service/EmailService.java
@@ -0,0 +1,14 @@
+package com.java2nb.novel.service;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author xiongxiaoyang
+ * @date 2025/10/24
+ */
+public interface EmailService {
+
+    void sendHtmlEmail(String subject, String templateName, Map<String, Object> templateModel, List<String> to);
+
+}
diff --git a/novel-crawl/src/main/java/com/java2nb/novel/service/impl/EmailServiceImpl.java b/novel-crawl/src/main/java/com/java2nb/novel/service/impl/EmailServiceImpl.java
new file mode 100644
index 0000000..c3bf15e
--- /dev/null
+++ b/novel-crawl/src/main/java/com/java2nb/novel/service/impl/EmailServiceImpl.java
@@ -0,0 +1,62 @@
+package com.java2nb.novel.service.impl;
+
+import com.java2nb.novel.service.EmailService;
+import jakarta.mail.internet.InternetAddress;
+import jakarta.mail.internet.MimeMessage;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.mail.javamail.MimeMessageHelper;
+import org.springframework.stereotype.Service;
+import org.thymeleaf.TemplateEngine;
+import org.thymeleaf.context.Context;
+
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author xiongxiaoyang
+ * @date 2025/10/24
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class EmailServiceImpl implements EmailService {
+
+    private final JavaMailSender javaMailSender;
+    private final TemplateEngine templateEngine;
+
+    @Value("${spring.mail.username}")
+    private String fromEmail;
+
+    @Value("${spring.mail.nickname}")
+    private String nickName;
+
+    @Override
+    public void sendHtmlEmail(String subject, String templateName, Map<String, Object> templateModel, List<String> to) {
+        try {
+            MimeMessage message = javaMailSender.createMimeMessage();
+            MimeMessageHelper helper = new MimeMessageHelper(
+                message,
+                MimeMessageHelper.MULTIPART_MODE_MIXED_RELATED,
+                StandardCharsets.UTF_8.name());
+
+            Context context = new Context();
+            context.setVariables(templateModel);
+
+            String htmlBody = templateEngine.process(templateName, context);
+
+            helper.setFrom(new InternetAddress(fromEmail, nickName, "UTF-8"));
+            helper.setTo(to.toArray(new String[0]));
+            helper.setSubject(subject);
+            helper.setText(htmlBody, true);
+
+            javaMailSender.send(message);
+        } catch (Exception e) {
+            log.error("发送邮件失败");
+            log.error(e.getMessage(), e);
+        }
+    }
+}
diff --git a/novel-crawl/src/main/resources/application.yml b/novel-crawl/src/main/resources/application.yml
index b4908fe..de787fb 100644
--- a/novel-crawl/src/main/resources/application.yml
+++ b/novel-crawl/src/main/resources/application.yml
@@ -28,6 +28,41 @@ crawl:
     max: 500
 
 
-
+---
+
+#邮箱服务器
+spring:
+  mail:
+    host: smtp.163.com
+    #发件人昵称
+    nickname: novel-plus
+    #邮箱账户
+    username: xxyopen@163.com
+    #邮箱第三方授权码
+    password: novel123456
+    #编码类型
+    default-encoding: UTF-8
+    port: 465
+    properties:
+      mail:
+        smtp:
+          auth: true
+          starttls:
+            enable: true
+            required: rue
+          socketFactory:
+            port: 465
+            class: javax.net.ssl.SSLSocketFactory
+            fallback: false
+
+# 磁盘监控配置
+disk-monitor:
+  enabled: false
+  interval-minutes: 5
+  warning-threshold: 85.0
+  severe-threshold: 90.0
+  critical-threshold: 95.0
+  # 告警邮件接收人列表（支持多个邮箱）
+  recipients: xxyopen@foxmail.com,12345678@qq.com
 
 
diff --git a/novel-crawl/src/main/resources/templates/crawl/crawlSingleTask_list.html b/novel-crawl/src/main/resources/templates/crawl/crawlSingleTask_list.html
index f0bca00..a80bbcc 100644
--- a/novel-crawl/src/main/resources/templates/crawl/crawlSingleTask_list.html
+++ b/novel-crawl/src/main/resources/templates/crawl/crawlSingleTask_list.html
@@ -118,9 +118,10 @@
 <script language="javascript" type="text/javascript">
     let curr = 1;
     let limit = 10;
+    let isUpdate = false;
 
     search();
-    setInterval(function(){
+    setInterval(function () {
         search();
     }, 10000);
 
@@ -185,6 +186,7 @@
                                     if (!first) {
                                         curr = obj.curr;
                                         limit = obj.limit;
+                                        isUpdate = false;
                                         search();
                                     } else {
 
@@ -196,13 +198,21 @@
                     }
 
 
-                } else {
+                } else if (data.code == 1001) {
+                    //未登录
+                    location.href = '/user/login.html?originUrl=' + encodeURIComponent(location.href);
+
+                } else if (!isUpdate) {
                     layer.alert(data.msg);
                 }
+                isUpdate = true;
 
             },
             error: function () {
-                layer.alert('网络异常');
+                if (!isUpdate) {
+                    layer.alert('网络异常');
+                }
+                isUpdate = true;
             }
         })
 
diff --git a/novel-crawl/src/main/resources/templates/crawl/crawlSource_list.html b/novel-crawl/src/main/resources/templates/crawl/crawlSource_list.html
index 6d68121..7848618 100644
--- a/novel-crawl/src/main/resources/templates/crawl/crawlSource_list.html
+++ b/novel-crawl/src/main/resources/templates/crawl/crawlSource_list.html
@@ -116,14 +116,13 @@
 <script language="javascript" type="text/javascript">
     let curr = 1;
     let limit = 10;
+    let isUpdate = false;
 
     search();
-    setInterval(function(){
+    setInterval(function () {
         search();
     }, 10000);
 
-    var pageCrawlSourceList = null;
-
     function search() {
 
         $.ajax({
@@ -134,7 +133,6 @@
             success: function (data) {
                 if (data.code == 200) {
                     var crawlSourceList = data.data.list;
-                    pageCrawlSourceList = data.data.list;
                     if (crawlSourceList.length > 0) {
                         var crawlSourceListHtml = "";
                         for (var i = 0; i < crawlSourceList.length; i++) {
@@ -182,6 +180,7 @@
                                     if (!first) {
                                         curr = obj.curr;
                                         limit = obj.limit;
+                                        isUpdate = false;
                                         search();
                                     } else {
 
@@ -197,13 +196,17 @@
                     //未登录
                     location.href = '/user/login.html?originUrl=' + encodeURIComponent(location.href);
 
-                } else {
+                } else if (!isUpdate) {
                     layer.alert(data.msg);
                 }
+                isUpdate = true;
 
             },
             error: function () {
-                layer.alert('网络异常');
+                if (!isUpdate) {
+                    layer.alert('网络异常');
+                }
+                isUpdate = true;
             }
         })
 
@@ -229,11 +232,11 @@
                     if (status == 0) {
                         //开启
                         $("#sourceStatus" + sourceId).html("正在运行");
-                        $("#opt" + sourceId).html("<a href='javascript:openOrStopCrawl(" + sourceId + "," + 1 + ")'>关闭 </a>"+"<a href='javascript:updateCrawlSource(" + sourceId + ")'>修改  </a>");
+                        $("#opt" + sourceId).html("<a href='javascript:openOrStopCrawl(" + sourceId + "," + 1 + ")'>关闭 </a>" + "<a href='javascript:updateCrawlSource(" + sourceId + ")'>修改  </a>");
                     } else {
                         //关闭
                         $("#sourceStatus" + sourceId).html("停止运行");
-                        $("#opt" + sourceId).html("<a href='javascript:openOrStopCrawl(" + sourceId + "," + 0 + ")'>开启 </a>"+"<a href='javascript:updateCrawlSource(" + sourceId + ")'>修改  </a>");
+                        $("#opt" + sourceId).html("<a href='javascript:openOrStopCrawl(" + sourceId + "," + 0 + ")'>开启 </a>" + "<a href='javascript:updateCrawlSource(" + sourceId + ")'>修改  </a>");
                     }
 
 
diff --git a/novel-crawl/src/main/resources/templates/disk_alert.html b/novel-crawl/src/main/resources/templates/disk_alert.html
new file mode 100644
index 0000000..9629139
--- /dev/null
+++ b/novel-crawl/src/main/resources/templates/disk_alert.html
@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="UTF-8">
+    <style>
+        body { font-family: Arial, sans-serif; color: #333; background: #f4f6f9; }
+        .container { max-width: 800px; margin: 20px auto; padding: 20px; background: #fff; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
+        .header { padding: 15px; border-radius: 6px; text-align: center; color: white; }
+        table { width: 100%; border-collapse: collapse; margin: 20px 0; }
+        th { background: #1976d2; color: white; padding: 12px; text-align: center; }
+        td { padding: 10px; border: 1px solid #ddd; text-align: center; }
+        .action { margin: 20px 0; font-size: 16px; line-height: 1.6; }
+        .footer { margin-top: 30px; font-size: 12px; color: #777; text-align: center; }
+    </style>
+</head>
+<body>
+<div class="container">
+    <div class="header" th:style="'background:' + ${levelColor}">
+        <h2 th:text="${icon} + ' ' + ${alertLevel} + ' 告警：磁盘使用率过高'"></h2>
+    </div>
+
+    <p><strong>时间：</strong><span th:text="${#dates.format(#dates.createNow(), 'yyyy-MM-dd HH:mm:ss')}"></span></p>
+
+    <div class="action" th:utext="${actionText}"></div>
+
+    <h3>📊 磁盘使用详情</h3>
+    <table>
+        <tr style="background:#1976d2; color:white;">
+            <th>磁盘路径</th><th>总空间 (GB)</th><th>空闲空间 (GB)</th><th>使用率</th>
+        </tr>
+        <tr th:each="disk : ${diskInfos}" th:style="'background-color:#f9f9f9;'">
+            <td th:text="${disk.path}"></td>
+            <td th:text="${#numbers.formatDecimal(disk.totalGB, 2, 2)}"></td>
+            <td th:text="${#numbers.formatDecimal(disk.freeGB, 2, 2)}"></td>
+            <td th:text="${#numbers.formatDecimal(disk.usage, 2, 2)} + '%'"
+                th:style="'color:' + ${disk.usage >= 95 ? '#d32f2f' : (disk.usage >= 90 ? '#f57c00' : '#388e3c')} + '; font-weight:bold;'">
+            </td>
+        </tr>
+    </table>
+
+    <div class="footer">此邮件由磁盘监控系统自动发送，请及时处理。</div>
+</div>
+</body>
+</html>
\ No newline at end of file
diff --git a/novel-front/pom.xml b/novel-front/pom.xml
index ed29188..94d2ed3 100644
--- a/novel-front/pom.xml
+++ b/novel-front/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>novel</artifactId>
         <groupId>com.java2nb</groupId>
-        <version>5.2.6</version>
+        <version>5.3.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/novel-front/src/main/java/com/java2nb/novel/service/impl/IpLocationServiceImpl.java b/novel-front/src/main/java/com/java2nb/novel/service/impl/IpLocationServiceImpl.java
index e3c3241..572e9a7 100644
--- a/novel-front/src/main/java/com/java2nb/novel/service/impl/IpLocationServiceImpl.java
+++ b/novel-front/src/main/java/com/java2nb/novel/service/impl/IpLocationServiceImpl.java
@@ -26,6 +26,7 @@ public class IpLocationServiceImpl implements IpLocationService {
         try {
             // 示例返回："中国|0|湖北省|武汉市|电信"
             String region = searcher.search(ip);
+            log.info("IP：{}，区域：{}", ip, region);
             String[] regions = region.split("\\|");
             if (regions.length > 0) {
                 // 国家
@@ -38,9 +39,17 @@ public class IpLocationServiceImpl implements IpLocationService {
                         return getLocation(publicIp);
                     }
                 } else if ("中国".equals(country)) {
-                    // 是中国，则返回省份（第三个字段）
-                    String province = regions.length > 2 ? regions[2] : "未知地区";
-                    // 去掉最后一个“省”字
+                    // 若为中国，则尝试返回省份（regions[2]）
+                    if (regions.length <= 2) {
+                        // 数据不足，直接返回国家
+                        return country;
+                    }
+                    String province = regions[2];
+                    if (!StringUtils.hasText(province) || "0".equals(province)) {
+                        // 省份字段为空或未知，返回国家
+                        return country;
+                    }
+                    // 去掉末尾的“省”字
                     return province.endsWith("省") ? province.substring(0, province.length() - 1) : province;
                 } else {
                     // 非中国，返回国家名
diff --git a/pom.xml b/pom.xml
index ad93dfb..ef9f5c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.java2nb</groupId>
     <artifactId>novel</artifactId>
-    <version>5.2.6</version>
+    <version>5.3.0</version>
     <modules>
         <module>novel-common</module>
         <module>novel-front</module>