diff --git a/src/main/java/io/github/xxyopen/novel/controller/front/BookController.java b/src/main/java/io/github/xxyopen/novel/controller/front/BookController.java
index e329b50..435b402 100644
--- a/src/main/java/io/github/xxyopen/novel/controller/front/BookController.java
+++ b/src/main/java/io/github/xxyopen/novel/controller/front/BookController.java
@@ -137,5 +137,4 @@ public class BookController {
         return bookService.listNewestComments(bookId);
     }
 
-
 }
diff --git a/src/main/java/io/github/xxyopen/novel/controller/front/UserController.java b/src/main/java/io/github/xxyopen/novel/controller/front/UserController.java
index 942e0b6..256acb7 100644
--- a/src/main/java/io/github/xxyopen/novel/controller/front/UserController.java
+++ b/src/main/java/io/github/xxyopen/novel/controller/front/UserController.java
@@ -75,7 +75,7 @@ public class UserController {
      * 发表评论接口
      * */
     @PostMapping("comment")
-    public RestResp<Void> comment(@RequestBody UserCommentReqDto dto) {
+    public RestResp<Void> comment(@Valid @RequestBody UserCommentReqDto dto) {
         dto.setUserId(UserHolder.getUserId());
         return bookService.saveComment(dto);
     }
diff --git a/src/main/java/io/github/xxyopen/novel/core/json/serializer/UsernameSerializer.java b/src/main/java/io/github/xxyopen/novel/core/json/serializer/UsernameSerializer.java
index 7d9ce02..e2a1a9a 100644
--- a/src/main/java/io/github/xxyopen/novel/core/json/serializer/UsernameSerializer.java
+++ b/src/main/java/io/github/xxyopen/novel/core/json/serializer/UsernameSerializer.java
@@ -7,7 +7,7 @@ import com.fasterxml.jackson.databind.SerializerProvider;
 import java.io.IOException;
 
 /**
- * 用户名序列化类（敏感信息，不应该在页面上完全显示）
+ * 用户名序列化器（敏感信息，不应该在页面上完全显示）
  *
  * @author xiongxiaoyang
  * @date 2022/5/20