diff --git a/BE/side-dish-backend/src/main/java/com/codesquad/team14/domain/Badge.java b/BE/side-dish-backend/src/main/java/com/codesquad/team14/domain/Badge.java
index 1b6a8b191..d82440d57 100644
--- a/BE/side-dish-backend/src/main/java/com/codesquad/team14/domain/Badge.java
+++ b/BE/side-dish-backend/src/main/java/com/codesquad/team14/domain/Badge.java
@@ -1,5 +1,5 @@
 package com.codesquad.team14.domain;
 
 public enum Badge {
-    EVENT, LAUNCHING, BEST;
+    EVENT, LAUNCHING, BEST
 }
diff --git a/BE/side-dish-backend/src/main/java/com/codesquad/team14/domain/Item.java b/BE/side-dish-backend/src/main/java/com/codesquad/team14/domain/Item.java
index 9d92abdc5..d6898575c 100644
--- a/BE/side-dish-backend/src/main/java/com/codesquad/team14/domain/Item.java
+++ b/BE/side-dish-backend/src/main/java/com/codesquad/team14/domain/Item.java
@@ -5,7 +5,7 @@
 
 public class Item {
 
-    private Long id;
+    private final Long id;
     private String title;
     private String description;
     private int normalPrice;
@@ -13,7 +13,7 @@ public class Item {
     private List<Badge> badges;
     private List<DeliveryType> deliveryTypes;
     private List<String> thumbImages;
-    private Long categoryId;
+    private final Long categoryId;
 
     public Item(Long id, String title, String description, int normalPrice, Long categoryId) {
         this.id = id;
diff --git a/BE/side-dish-backend/src/main/java/com/codesquad/team14/dto/ItemDto.java b/BE/side-dish-backend/src/main/java/com/codesquad/team14/dto/ItemDto.java
index 334ef590e..37483a7ae 100644
--- a/BE/side-dish-backend/src/main/java/com/codesquad/team14/dto/ItemDto.java
+++ b/BE/side-dish-backend/src/main/java/com/codesquad/team14/dto/ItemDto.java
@@ -2,9 +2,11 @@
 
 public class ItemDto {
     private String temp;
-    public ItemDto (String s) {
+
+    public ItemDto(String s) {
         temp = s;
     }
+
     public String getTemp() {
         return temp;
     }