修复动态列表bug

src/main/java/cn/meteor/beyondclouds/modules/post/service/impl/PostServiceImpl.java

@@ -393,7 +393,17 @@ public class PostServiceImpl extends ServiceImpl<PostMapper, Post> implements IP
     }
 
     private PageDTO<PostDTO> toPageDTO(IPage<Post> postPage) {
+        PageDTO<PostDTO> pageDTO = new PageDTO<>();
+        PageUtils.copyMeta(postPage, pageDTO);
+
+
+        if (postPage.getSize() == 0) {
+            pageDTO.setDataList(List.of());
+            return pageDTO;
+        }
+
         List<PostDTO> postDTOList;
+
         if (SubjectUtils.isAuthenticated()) {
             List<String> postIds = postPage.getRecords().stream()
                     .map(Post::getPostId)
@@ -432,8 +442,7 @@ public class PostServiceImpl extends ServiceImpl<PostMapper, Post> implements IP
                         return postDTO;
                     }).collect(Collectors.toList());
         }
-        PageDTO<PostDTO> pageDTO = new PageDTO<>();
-        PageUtils.copyMeta(postPage, pageDTO);
+
         pageDTO.setDataList(postDTOList);
         return pageDTO;
     }