diff --git a/pom.xml b/pom.xml
index bd2ce30..fd053c5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.2.1.RELEASE</version>
+        <version>2.2.6.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>com.rymcu</groupId>
@@ -168,7 +168,6 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-websocket</artifactId>
-            <version>2.2.1.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.jodd</groupId>
@@ -180,6 +179,11 @@
             <artifactId>weixin-java-open</artifactId>
             <version>3.7.0</version>
         </dependency>
+        <dependency>
+            <groupId>com.baidu.aip</groupId>
+            <artifactId>java-sdk</artifactId>
+            <version>4.11.3</version>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/src/main/java/com/rymcu/vertical/dto/baidu/TagNlpDTO.java b/src/main/java/com/rymcu/vertical/dto/baidu/TagNlpDTO.java
new file mode 100644
index 0000000..2dcd19d
--- /dev/null
+++ b/src/main/java/com/rymcu/vertical/dto/baidu/TagNlpDTO.java
@@ -0,0 +1,17 @@
+package com.rymcu.vertical.dto.baidu;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+
+/**
+ * @author ronger
+ */
+@Data
+public class TagNlpDTO {
+
+    private BigDecimal score;
+
+    private String tag;
+
+}
diff --git a/src/main/java/com/rymcu/vertical/service/TagService.java b/src/main/java/com/rymcu/vertical/service/TagService.java
index 6664bbb..9dc4300 100644
--- a/src/main/java/com/rymcu/vertical/service/TagService.java
+++ b/src/main/java/com/rymcu/vertical/service/TagService.java
@@ -18,11 +18,12 @@ public interface TagService extends Service<Tag> {
     /**
      * 保存文章标签
      * @param article
+     * @param articleContentHtml
      * @throws UnsupportedEncodingException
      * @throws BaseApiException
      * @return
      * */
-    Integer saveTagArticle(Article article) throws UnsupportedEncodingException, BaseApiException;
+    Integer saveTagArticle(Article article, String articleContentHtml) throws UnsupportedEncodingException, BaseApiException;
 
     /**
      * 清除未使用标签
diff --git a/src/main/java/com/rymcu/vertical/service/impl/ArticleServiceImpl.java b/src/main/java/com/rymcu/vertical/service/impl/ArticleServiceImpl.java
index 5589d9f..756bb39 100644
--- a/src/main/java/com/rymcu/vertical/service/impl/ArticleServiceImpl.java
+++ b/src/main/java/com/rymcu/vertical/service/impl/ArticleServiceImpl.java
@@ -176,7 +176,7 @@ public class ArticleServiceImpl extends AbstractService<Article> implements Arti
             }
         }
 
-        tagService.saveTagArticle(newArticle);
+        tagService.saveTagArticle(newArticle, articleContentHtml);
 
         if (defaultStatus.equals(newArticle.getArticleStatus())) {
             newArticle.setArticlePermalink(domain + "/article/" + newArticle.getIdArticle());
@@ -187,12 +187,11 @@ public class ArticleServiceImpl extends AbstractService<Article> implements Arti
         }
 
         if (StringUtils.isNotBlank(articleContentHtml)) {
-            Integer length = articleContentHtml.length();
-            if (length > MAX_PREVIEW) {
-                length = MAX_PREVIEW;
+            String previewContent = BaiDuAipUtils.getNewsSummary(newArticle.getArticleTitle(), articleContentHtml, MAX_PREVIEW);
+            if (previewContent.length() > MAX_PREVIEW) {
+                previewContent = previewContent.substring(0, MAX_PREVIEW);
             }
-            String articlePreviewContent = articleContentHtml.substring(0, length);
-            newArticle.setArticlePreviewContent(Html2TextUtil.getContent(articlePreviewContent));
+            newArticle.setArticlePreviewContent(previewContent);
         }
         articleMapper.updateByPrimaryKeySelective(newArticle);
 
@@ -326,7 +325,7 @@ public class ArticleServiceImpl extends AbstractService<Article> implements Arti
         if (Objects.nonNull(article)) {
             article.setArticleTags(tags);
             articleMapper.updateArticleTags(idArticle, tags);
-            tagService.saveTagArticle(article);
+            tagService.saveTagArticle(article, "");
             map.put("success", true);
         } else {
             map.put("success", false);
diff --git a/src/main/java/com/rymcu/vertical/service/impl/TagServiceImpl.java b/src/main/java/com/rymcu/vertical/service/impl/TagServiceImpl.java
index 6c1b3e3..2b9b65f 100644
--- a/src/main/java/com/rymcu/vertical/service/impl/TagServiceImpl.java
+++ b/src/main/java/com/rymcu/vertical/service/impl/TagServiceImpl.java
@@ -3,12 +3,14 @@ package com.rymcu.vertical.service.impl;
 import com.rymcu.vertical.core.service.AbstractService;
 import com.rymcu.vertical.dto.ArticleTagDTO;
 import com.rymcu.vertical.dto.LabelModel;
+import com.rymcu.vertical.dto.baidu.TagNlpDTO;
 import com.rymcu.vertical.entity.Article;
 import com.rymcu.vertical.entity.Tag;
 import com.rymcu.vertical.entity.User;
 import com.rymcu.vertical.mapper.ArticleMapper;
 import com.rymcu.vertical.mapper.TagMapper;
 import com.rymcu.vertical.service.TagService;
+import com.rymcu.vertical.util.BaiDuAipUtils;
 import com.rymcu.vertical.util.CacheUtils;
 import com.rymcu.vertical.util.UserUtils;
 import com.rymcu.vertical.web.api.exception.BaseApiException;
@@ -38,7 +40,7 @@ public class TagServiceImpl extends AbstractService<Tag> implements TagService {
 
     @Override
     @Transactional(rollbackFor = {UnsupportedEncodingException.class, BaseApiException.class})
-    public Integer saveTagArticle(Article article) throws UnsupportedEncodingException, BaseApiException {
+    public Integer saveTagArticle(Article article, String articleContentHtml) throws UnsupportedEncodingException, BaseApiException {
         User user = UserUtils.getCurrentUserByToken();
         String articleTags = article.getArticleTags();
         if (StringUtils.isNotBlank(articleTags)) {
@@ -92,6 +94,18 @@ public class TagServiceImpl extends AbstractService<Tag> implements TagService {
                 }
             }
             return 1;
+        } else {
+            if (StringUtils.isNotBlank(articleContentHtml)) {
+                List<TagNlpDTO> list = BaiDuAipUtils.getKeywords(article.getArticleTitle(), articleContentHtml);
+                if (list.size() > 0) {
+                    StringBuffer tags = new StringBuffer();
+                    for (TagNlpDTO tagNlpDTO : list) {
+                        tags.append(tagNlpDTO.getTag()).append(",");
+                    }
+                    article.setArticleTags(tags.toString());
+                    saveTagArticle(article, articleContentHtml);
+                }
+            }
         }
         return 0;
     }