diff --git a/src/main/java/kaboo/kaboo_auth/domain/entity/Member.java b/src/main/java/kaboo/kaboo_auth/domain/entity/Member.java
index bbd68c9..283f14b 100644
--- a/src/main/java/kaboo/kaboo_auth/domain/entity/Member.java
+++ b/src/main/java/kaboo/kaboo_auth/domain/entity/Member.java
@@ -22,15 +22,21 @@ public class Member {
 	@Column(name = "member_id")
 	private Long id;
 
+	@Column(nullable = false, updatable = false)
 	private String username;
+	@Column(nullable = false, updatable = false)
 	private String email;
+	@Column(nullable = false, name = "korea_name")
 	private String koreaName;
+	@Column(nullable = false, name = "english_name")
 	private String englishName;
+	@Column(nullable = false)
 	private String password;
 
 	@Column(columnDefinition = "TEXT")
 	private String introduce;
 
+	@Column(name = "class_num")
 	private int classNum;
 
 	@Enumerated(EnumType.STRING)