diff --git a/src/main/java/com/yaoyuan/jiscuss/controller/UserPostController.java b/src/main/java/com/yaoyuan/jiscuss/controller/UserPostController.java
index edea3fb..cc35e15 100644
--- a/src/main/java/com/yaoyuan/jiscuss/controller/UserPostController.java
+++ b/src/main/java/com/yaoyuan/jiscuss/controller/UserPostController.java
@@ -91,7 +91,6 @@ public class UserPostController extends BaseController {
             newdd.setUsernameLast(lastUser.getUsername());
         }
 
-
         List<Tag> tags = tagsService.findByDId(id);
         List postsObj = postsService.findPostCustomById(id);
         map.put("tags", tags);
diff --git a/src/main/java/com/yaoyuan/jiscuss/controller/UserSystemController.java b/src/main/java/com/yaoyuan/jiscuss/controller/UserSystemController.java
index 706fa2c..832a0f4 100644
--- a/src/main/java/com/yaoyuan/jiscuss/controller/UserSystemController.java
+++ b/src/main/java/com/yaoyuan/jiscuss/controller/UserSystemController.java
@@ -35,7 +35,6 @@ import java.util.Map;
  */
 @Controller
 public class UserSystemController extends BaseController {
-
     private static Logger logger = LoggerFactory.getLogger(UserSystemController.class);
 
     @Autowired
diff --git a/src/main/java/com/yaoyuan/jiscuss/repository/TagsRepository.java b/src/main/java/com/yaoyuan/jiscuss/repository/TagsRepository.java
index 14f7799..8dd5cff 100644
--- a/src/main/java/com/yaoyuan/jiscuss/repository/TagsRepository.java
+++ b/src/main/java/com/yaoyuan/jiscuss/repository/TagsRepository.java
@@ -15,7 +15,6 @@ public interface TagsRepository extends JpaRepository<Tag, Integer> {
     @Query(value = "FROM Tag a, DiscussionTag b WHERE a.id = b.tagId and b.discussionId = :dId")
     List<Tag> findByDId(@Param("dId") Integer dId);
 
-
     @Query("select new com.yaoyuan.jiscuss.entity.custom.TagCustom(" +
             "u.name,u.color,u.icon,u.description, d.discussionId" +
             ") " +
diff --git a/src/main/java/com/yaoyuan/jiscuss/response/ResponseResult.java b/src/main/java/com/yaoyuan/jiscuss/response/ResponseResult.java
index 5e1b868..d7427b3 100644
--- a/src/main/java/com/yaoyuan/jiscuss/response/ResponseResult.java
+++ b/src/main/java/com/yaoyuan/jiscuss/response/ResponseResult.java
@@ -17,7 +17,7 @@ public class ResponseResult implements Serializable {
 
 
     /**
-     *
+     * serialVersionUID
      */
     private static final long serialVersionUID = 1L;