diff --git a/springboot/fastbee-common/pom.xml b/springboot/fastbee-common/pom.xml
index 827eaf96..5ab6f131 100644
--- a/springboot/fastbee-common/pom.xml
+++ b/springboot/fastbee-common/pom.xml
@@ -65,6 +65,12 @@
             <artifactId>commons-lang3</artifactId>
         </dependency>
 
+        <!-- 富文本白名单净化 -->
+        <dependency>
+            <groupId>com.googlecode.owasp-java-html-sanitizer</groupId>
+            <artifactId>owasp-java-html-sanitizer</artifactId>
+        </dependency>
+
         <!-- JSON工具类 -->
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
@@ -196,6 +202,12 @@
             <artifactId>mapstruct-processor</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+
     </dependencies>
 
 </project>
diff --git a/springboot/fastbee-common/src/main/java/com/fastbee/common/utils/html/RichTextSanitizer.java b/springboot/fastbee-common/src/main/java/com/fastbee/common/utils/html/RichTextSanitizer.java
new file mode 100644
index 00000000..830512ca
--- /dev/null
+++ b/springboot/fastbee-common/src/main/java/com/fastbee/common/utils/html/RichTextSanitizer.java
@@ -0,0 +1,63 @@
+package com.fastbee.common.utils.html;
+
+import java.util.regex.Pattern;
+import org.owasp.html.HtmlPolicyBuilder;
+import org.owasp.html.PolicyFactory;
+
+/**
+ * 富文本白名单净化工具。
+ *
+ * <p>保留 Quill 编辑器常用的安全格式，删除脚本、事件属性、危险协议和未授权标签。</p>
+ */
+public final class RichTextSanitizer
+{
+    private static final Pattern IMAGE_DIMENSION_PATTERN = Pattern.compile("[0-9]{1,5}");
+    private static final Pattern LINK_TARGET_PATTERN = Pattern.compile("(?i)_(?:blank|self)");
+
+    /** Quill 输出的安全样式类，禁止通过任意 class 扩大前端样式能力。 */
+    private static final Pattern QUIL_CLASS_PATTERN = Pattern.compile(
+            "(?i)(?:ql-(?:align-(?:center|right|justify)|indent-[1-8]|size-(?:small|large|huge)|"
+                    + "direction-rtl|font-(?:serif|monospace)|syntax))"
+                    + "(?:\\s+ql-(?:align-(?:center|right|justify)|indent-[1-8]|size-(?:small|large|huge)|"
+                    + "direction-rtl|font-(?:serif|monospace)|syntax))*");
+
+    /**
+     * 策略对象创建成本较高且本身不可变，所有请求复用同一实例。
+     * 不允许 iframe、video、object、embed、svg 等主动内容。
+     */
+    private static final PolicyFactory POLICY = new HtmlPolicyBuilder()
+            .allowCommonInlineFormattingElements()
+            .allowCommonBlockElements()
+            .allowStyling()
+            .allowUrlProtocols("http", "https")
+            .allowElements("a", "img", "br", "pre", "div", "span")
+            .allowWithoutAttributes("a", "br", "span")
+            .allowAttributes("href").onElements("a")
+            .allowAttributes("target").matching(LINK_TARGET_PATTERN).onElements("a")
+            .allowAttributes("alt", "src").onElements("img")
+            .allowAttributes("height", "width").matching(IMAGE_DIMENSION_PATTERN).onElements("img")
+            .allowAttributes("class")
+            .matching(QUIL_CLASS_PATTERN)
+            .onElements("p", "div", "pre", "ol", "ul", "li", "span")
+            .requireRelNofollowOnLinks()
+            .toFactory();
+
+    private RichTextSanitizer()
+    {
+    }
+
+    /**
+     * 净化不可信富文本。
+     *
+     * @param html 待净化的富文本
+     * @return 可安全嵌入 HTML 正文上下文的富文本
+     */
+    public static String sanitize(String html)
+    {
+        if (html == null || html.isEmpty())
+        {
+            return html;
+        }
+        return POLICY.sanitize(html);
+    }
+}
diff --git a/springboot/fastbee-common/src/test/java/com/fastbee/common/utils/html/RichTextSanitizerTest.java b/springboot/fastbee-common/src/test/java/com/fastbee/common/utils/html/RichTextSanitizerTest.java
new file mode 100644
index 00000000..eac1f9bb
--- /dev/null
+++ b/springboot/fastbee-common/src/test/java/com/fastbee/common/utils/html/RichTextSanitizerTest.java
@@ -0,0 +1,75 @@
+package com.fastbee.common.utils.html;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * 富文本白名单净化测试。
+ */
+public class RichTextSanitizerTest
+{
+    @Test
+    public void shouldRemoveExecutableContent()
+    {
+        String input = "<p onclick=\"alert(1)\">正文<script>alert(2)</script>"
+                + "<img src=\"/profile/a.png\" onerror=\"alert(3)\"></p>";
+
+        String sanitized = RichTextSanitizer.sanitize(input);
+
+        Assert.assertTrue(sanitized.contains("正文"));
+        Assert.assertFalse(sanitized.contains("<script"));
+        Assert.assertFalse(sanitized.contains("onclick"));
+        Assert.assertFalse(sanitized.contains("onerror"));
+    }
+
+    @Test
+    public void shouldRemoveDangerousUrlsAndActiveElements()
+    {
+        String input = "<a href=\"javascript:alert(1)\">危险链接</a>"
+                + "<iframe src=\"https://example.com\"></iframe>"
+                + "<svg onload=\"alert(2)\"></svg>"
+                + "<span style=\"background-image:url(javascript:alert(3))\">危险样式</span>";
+
+        String sanitized = RichTextSanitizer.sanitize(input);
+
+        Assert.assertTrue(sanitized.contains("危险链接"));
+        Assert.assertFalse(sanitized.contains("javascript:"));
+        Assert.assertFalse(sanitized.contains("<iframe"));
+        Assert.assertFalse(sanitized.contains("<svg"));
+        Assert.assertFalse(sanitized.contains("background-image"));
+    }
+
+    @Test
+    public void shouldPreserveCommonQuillFormatting()
+    {
+        String input = "<h2>标题</h2><p class=\"ql-align-center\"><strong>正文</strong>"
+                + "<span style=\"color: rgb(230, 0, 0);\">红色</span></p>"
+                + "<ol><li class=\"ql-indent-1\">条目</li></ol>"
+                + "<p><a href=\"https://example.com\" target=\"_blank\">链接</a>"
+                + "<img src=\"/profile/a.png\" alt=\"图片\"></p>";
+
+        String sanitized = RichTextSanitizer.sanitize(input);
+
+        Assert.assertTrue(sanitized.contains("<h2>标题</h2>"));
+        Assert.assertTrue(sanitized.contains("ql-align-center"));
+        Assert.assertTrue(sanitized.contains("<strong>正文</strong>"));
+        Assert.assertTrue(sanitized.contains("红色"));
+        Assert.assertTrue(sanitized.contains("<ol>"));
+        Assert.assertTrue(sanitized.contains("ql-indent-1"));
+        Assert.assertTrue(sanitized.contains("https://example.com"));
+        Assert.assertTrue(sanitized.contains("noopener"));
+        Assert.assertTrue(sanitized.contains("noreferrer"));
+        Assert.assertTrue(sanitized.contains("/profile/a.png"));
+    }
+
+    @Test
+    public void shouldBeNullSafeAndIdempotent()
+    {
+        Assert.assertNull(RichTextSanitizer.sanitize(null));
+        Assert.assertEquals("", RichTextSanitizer.sanitize(""));
+        Assert.assertEquals("", RichTextSanitizer.sanitize("<script>alert(1)</script>"));
+
+        String sanitized = RichTextSanitizer.sanitize("<p><em>正文</em></p>");
+        Assert.assertEquals(sanitized, RichTextSanitizer.sanitize(sanitized));
+    }
+}
diff --git a/springboot/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/NewsServiceImpl.java b/springboot/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/NewsServiceImpl.java
index 448b77ae..6ead4e26 100644
--- a/springboot/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/NewsServiceImpl.java
+++ b/springboot/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/NewsServiceImpl.java
@@ -3,6 +3,7 @@ package com.fastbee.iot.service.impl;
 import java.util.ArrayList;
 import java.util.List;
 import com.fastbee.common.utils.DateUtils;
+import com.fastbee.common.utils.html.RichTextSanitizer;
 import com.fastbee.iot.mapper.NewsCategoryMapper;
 import com.fastbee.iot.model.CategoryNews;
 import com.fastbee.iot.model.IdAndName;
@@ -88,6 +89,7 @@ public class NewsServiceImpl implements INewsService
     @Override
     public int insertNews(News news)
     {
+        news.setContent(RichTextSanitizer.sanitize(news.getContent()));
         news.setCreateTime(DateUtils.getNowDate());
         return newsMapper.insertNews(news);
     }
@@ -101,6 +103,7 @@ public class NewsServiceImpl implements INewsService
     @Override
     public int updateNews(News news)
     {
+        news.setContent(RichTextSanitizer.sanitize(news.getContent()));
         news.setUpdateTime(DateUtils.getNowDate());
         return newsMapper.updateNews(news);
     }
diff --git a/springboot/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/NewsMapper.xml b/springboot/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/NewsMapper.xml
index c4eeb2a1..252cf074 100644
--- a/springboot/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/NewsMapper.xml
+++ b/springboot/fastbee-service/fastbee-iot-service/src/main/resources/mapper/iot/NewsMapper.xml
@@ -96,7 +96,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         update news
         <trim prefix="SET" suffixOverrides=",">
             <if test="title != null and title != ''">title = #{title},</if>
-            <if test="content != null and content != ''">content = #{content},</if>
+            <if test="content != null">content = #{content},</if>
             <if test="imgUrl != null and imgUrl != ''">img_url = #{imgUrl},</if>
             <if test="isTop != null">is_top = #{isTop},</if>
             <if test="isBanner != null">is_banner = #{isBanner},</if>
@@ -124,4 +124,4 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             #{newsId}
         </foreach>
     </delete>
-</mapper>
\ No newline at end of file
+</mapper>
diff --git a/springboot/fastbee-service/fastbee-system-service/src/main/java/com/fastbee/system/service/impl/SysNoticeServiceImpl.java b/springboot/fastbee-service/fastbee-system-service/src/main/java/com/fastbee/system/service/impl/SysNoticeServiceImpl.java
index 892ca3e2..0981dd76 100644
--- a/springboot/fastbee-service/fastbee-system-service/src/main/java/com/fastbee/system/service/impl/SysNoticeServiceImpl.java
+++ b/springboot/fastbee-service/fastbee-system-service/src/main/java/com/fastbee/system/service/impl/SysNoticeServiceImpl.java
@@ -1,6 +1,7 @@
 package com.fastbee.system.service.impl;
 
 import java.util.List;
+import com.fastbee.common.utils.html.RichTextSanitizer;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import com.fastbee.system.domain.SysNotice;
@@ -51,6 +52,7 @@ public class SysNoticeServiceImpl implements ISysNoticeService
     @Override
     public int insertNotice(SysNotice notice)
     {
+        notice.setNoticeContent(RichTextSanitizer.sanitize(notice.getNoticeContent()));
         return noticeMapper.insertNotice(notice);
     }
 
@@ -63,6 +65,7 @@ public class SysNoticeServiceImpl implements ISysNoticeService
     @Override
     public int updateNotice(SysNotice notice)
     {
+        notice.setNoticeContent(RichTextSanitizer.sanitize(notice.getNoticeContent()));
         return noticeMapper.updateNotice(notice);
     }
 
diff --git a/springboot/pom.xml b/springboot/pom.xml
index c3ef4252..412f413e 100644
--- a/springboot/pom.xml
+++ b/springboot/pom.xml
@@ -50,6 +50,7 @@
         <liteflow.version>2.12.2</liteflow.version>
         <commons.text.version>1.10.0</commons.text.version>
         <paho.mqtt.version>1.2.5</paho.mqtt.version>
+        <owasp-java-html-sanitizer.version>20260313.1</owasp-java-html-sanitizer.version>
 
         <druid.version>1.2.23</druid.version>
         <pagehelper.boot.version>1.4.7</pagehelper.boot.version>
@@ -239,6 +240,13 @@
                 <version>${commons.text.version}</version>
             </dependency>
 
+            <!-- 富文本白名单净化 -->
+            <dependency>
+                <groupId>com.googlecode.owasp-java-html-sanitizer</groupId>
+                <artifactId>owasp-java-html-sanitizer</artifactId>
+                <version>${owasp-java-html-sanitizer.version}</version>
+            </dependency>
+
             <!-- excel工具 -->
             <dependency>
                 <groupId>org.apache.poi</groupId>