diff --git a/src/main/java/com/rymcu/forest/dto/ForgetPasswordDTO.java b/src/main/java/com/rymcu/forest/dto/ForgetPasswordDTO.java
index 49d6112..4c653cc 100644
--- a/src/main/java/com/rymcu/forest/dto/ForgetPasswordDTO.java
+++ b/src/main/java/com/rymcu/forest/dto/ForgetPasswordDTO.java
@@ -2,6 +2,9 @@ package com.rymcu.forest.dto;
 
 import lombok.Data;
 
+/**
+ * @author ronger
+ */
 @Data
 public class ForgetPasswordDTO {
     private String code;
diff --git a/src/main/java/com/rymcu/forest/mapper/ArticleMapper.java b/src/main/java/com/rymcu/forest/mapper/ArticleMapper.java
index 58a34d2..8ae9083 100644
--- a/src/main/java/com/rymcu/forest/mapper/ArticleMapper.java
+++ b/src/main/java/com/rymcu/forest/mapper/ArticleMapper.java
@@ -190,4 +190,10 @@ public interface ArticleMapper extends Mapper<Article> {
      * @param idArticle
      */
     void deleteArticleContent(@Param("idArticle") Integer idArticle);
+
+    /**
+     * 获取公告
+     * @return
+     */
+    List<ArticleDTO> selectAnnouncements();
 }
diff --git a/src/main/java/com/rymcu/forest/service/ArticleService.java b/src/main/java/com/rymcu/forest/service/ArticleService.java
index f564de9..83174df 100644
--- a/src/main/java/com/rymcu/forest/service/ArticleService.java
+++ b/src/main/java/com/rymcu/forest/service/ArticleService.java
@@ -66,6 +66,7 @@ public interface ArticleService extends Service<Article> {
      * 删除文章
      * @param id
      * @return
+     * @throws BaseApiException
      * */
     Map delete(Integer id) throws BaseApiException;
 
@@ -123,4 +124,10 @@ public interface ArticleService extends Service<Article> {
      * @return
      */
     Map updatePerfect(Integer idArticle, String articlePerfect);
+
+    /**
+     * 获取公告列表
+     * @return
+     */
+    List<ArticleDTO> findAnnouncements();
 }
diff --git a/src/main/java/com/rymcu/forest/service/PortfolioService.java b/src/main/java/com/rymcu/forest/service/PortfolioService.java
index df8d2e7..db6d67c 100644
--- a/src/main/java/com/rymcu/forest/service/PortfolioService.java
+++ b/src/main/java/com/rymcu/forest/service/PortfolioService.java
@@ -76,7 +76,7 @@ public interface PortfolioService extends Service<Portfolio> {
      * @param idPortfolio
      * @return
      */
-    Map deletePortfolio(Integer idPortfolio);
+    Map deletePortfolio(Integer idPortfolio) throws BaseApiException;
 
     /**
      * 获取作品集列表数据
diff --git a/src/main/java/com/rymcu/forest/service/impl/ArticleServiceImpl.java b/src/main/java/com/rymcu/forest/service/impl/ArticleServiceImpl.java
index 5308dc0..d0aa3f9 100644
--- a/src/main/java/com/rymcu/forest/service/impl/ArticleServiceImpl.java
+++ b/src/main/java/com/rymcu/forest/service/impl/ArticleServiceImpl.java
@@ -364,6 +364,15 @@ public class ArticleServiceImpl extends AbstractService<Article> implements Arti
         return map;
     }
 
+    @Override
+    public List<ArticleDTO> findAnnouncements() {
+        List<ArticleDTO> list = articleMapper.selectAnnouncements();
+        list.forEach(article -> {
+            genArticle(article, 0);
+        });
+        return list;
+    }
+
     private ArticleDTO genArticle(ArticleDTO article, Integer type) {
         Integer articleList = 0;
         Integer articleView = 1;
diff --git a/src/main/java/com/rymcu/forest/service/impl/PortfolioServiceImpl.java b/src/main/java/com/rymcu/forest/service/impl/PortfolioServiceImpl.java
index b843722..cbc480c 100644
--- a/src/main/java/com/rymcu/forest/service/impl/PortfolioServiceImpl.java
+++ b/src/main/java/com/rymcu/forest/service/impl/PortfolioServiceImpl.java
@@ -4,6 +4,7 @@ import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
 import com.rymcu.forest.core.service.AbstractService;
 import com.rymcu.forest.dto.*;
+import com.rymcu.forest.entity.Article;
 import com.rymcu.forest.entity.Portfolio;
 import com.rymcu.forest.entity.User;
 import com.rymcu.forest.mapper.PortfolioMapper;
@@ -152,11 +153,21 @@ public class PortfolioServiceImpl extends AbstractService<Portfolio> implements
     }
 
     @Override
-    public Map deletePortfolio(Integer idPortfolio) {
+    public Map deletePortfolio(Integer idPortfolio) throws BaseApiException {
         Map map = new HashMap(1);
         if (idPortfolio == null || idPortfolio.equals(0)) {
             map.put("message", "作品集数据异常");
         }
+        // 鉴权
+        User user = UserUtils.getCurrentUserByToken();
+        Integer roleWeights = userService.findRoleWeightsByUser(user.getIdUser());
+        if (roleWeights > 2) {
+            Portfolio portfolio = portfolioMapper.selectByPrimaryKey(idPortfolio);
+            if (!user.getIdUser().equals(portfolio.getPortfolioAuthorId())) {
+                map.put("message", "非法访问！");
+                return map;
+            }
+        }
 
         Integer articleNumber = portfolioMapper.selectCountArticleNumber(idPortfolio);
         if (articleNumber > 0) {
diff --git a/src/main/java/com/rymcu/forest/util/NotificationUtils.java b/src/main/java/com/rymcu/forest/util/NotificationUtils.java
index c6b0500..9f5c9a4 100644
--- a/src/main/java/com/rymcu/forest/util/NotificationUtils.java
+++ b/src/main/java/com/rymcu/forest/util/NotificationUtils.java
@@ -123,12 +123,14 @@ public class NotificationUtils {
             case "2":
                 // 回帖
                 comment = commentService.findById(notification.getDataId().toString());
-                article = articleService.findArticleDTOById(comment.getCommentArticleId(), 0);
-                if (Objects.nonNull(article)) {
-                    notificationDTO.setDataTitle(article.getArticleTitle());
-                    notificationDTO.setDataUrl(comment.getCommentSharpUrl());
-                    user = userService.findById(comment.getCommentAuthorId().toString());
-                    notificationDTO.setAuthor(genAuthor(user));
+                if (Objects.nonNull(comment)) {
+                    article = articleService.findArticleDTOById(comment.getCommentArticleId(), 0);
+                    if (Objects.nonNull(article)) {
+                        notificationDTO.setDataTitle(article.getArticleTitle());
+                        notificationDTO.setDataUrl(comment.getCommentSharpUrl());
+                        user = userService.findById(comment.getCommentAuthorId().toString());
+                        notificationDTO.setAuthor(genAuthor(user));
+                    }
                 }
                 break;
             case "3":
diff --git a/src/main/java/com/rymcu/forest/web/api/common/CommonApiController.java b/src/main/java/com/rymcu/forest/web/api/common/CommonApiController.java
index 88d4931..9ec0389 100644
--- a/src/main/java/com/rymcu/forest/web/api/common/CommonApiController.java
+++ b/src/main/java/com/rymcu/forest/web/api/common/CommonApiController.java
@@ -97,6 +97,16 @@ public class CommonApiController {
         return GlobalResultGenerator.genSuccessResult(map);
     }
 
+    @GetMapping("/announcements")
+    @VisitLogger
+    public GlobalResult<Map> announcements(@RequestParam(defaultValue = "0") Integer page, @RequestParam(defaultValue = "5") Integer rows){
+        PageHelper.startPage(page, rows);
+        List<ArticleDTO> list = articleService.findAnnouncements();
+        PageInfo<ArticleDTO> pageInfo = new PageInfo(list);
+        Map map = Utils.getArticlesGlobalResult(pageInfo);
+        return GlobalResultGenerator.genSuccessResult(map);
+    }
+
     @GetMapping("/article/{id}")
     @VisitLogger
     public GlobalResult<Map<String, Object>> article(@PathVariable Integer id){
diff --git a/src/main/java/com/rymcu/forest/web/api/portfolio/PortfolioController.java b/src/main/java/com/rymcu/forest/web/api/portfolio/PortfolioController.java
index 66251cb..ffaaf73 100644
--- a/src/main/java/com/rymcu/forest/web/api/portfolio/PortfolioController.java
+++ b/src/main/java/com/rymcu/forest/web/api/portfolio/PortfolioController.java
@@ -68,7 +68,7 @@ public class PortfolioController {
     }
 
     @DeleteMapping("/delete")
-    public GlobalResult delete(Integer idPortfolio){
+    public GlobalResult delete(Integer idPortfolio) throws BaseApiException {
         Map map = portfolioService.deletePortfolio(idPortfolio);
         return GlobalResultGenerator.genSuccessResult(map);
     }
diff --git a/src/main/java/mapper/ArticleMapper.xml b/src/main/java/mapper/ArticleMapper.xml
index 6b8fd88..3e9d852 100644
--- a/src/main/java/mapper/ArticleMapper.xml
+++ b/src/main/java/mapper/ArticleMapper.xml
@@ -105,6 +105,7 @@
         where article_status = 0
         <if test="topicUri != 'news'">
             and FIND_IN_SET('划水',art.article_tags) = 0
+            and FIND_IN_SET('公告',art.article_tags) = 0
         </if>
         order by updated_time desc
     </select>
@@ -155,4 +156,10 @@
         select va.article_title, va.id, va.article_permalink from forest_portfolio_article vpa
             join forest_article va on va.id = vpa.id_article where va.article_status = '0' and id_portfolio = #{idPortfolio} order by sort_no
     </select>
+    <select id="selectAnnouncements" resultMap="DTOResultMap">
+        select art.*,su.nickname,su.avatar_url from forest_article art join forest_user su on art.article_author_id = su.id
+        where article_status = 0
+        and FIND_IN_SET('公告',art.article_tags) > 0
+        order by updated_time desc
+    </select>
 </mapper>
\ No newline at end of file