diff --git a/src/main/java/org/cmh/backend/authentication/controller/AuthenticationController.java b/src/main/java/org/cmh/backend/authentication/controller/AuthenticationController.java
index 5ec7e11..1895856 100644
--- a/src/main/java/org/cmh/backend/authentication/controller/AuthenticationController.java
+++ b/src/main/java/org/cmh/backend/authentication/controller/AuthenticationController.java
@@ -5,7 +5,7 @@ import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
 import org.cmh.backend.Utils.JwtUtil;
-import org.cmh.backend.authentication.dto.ManageUserProfileRequest;
+import org.cmh.backend.authentication.dto.*;
 import org.cmh.backend.authentication.model.UserHS;
 import org.cmh.backend.authentication.service.UserService;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -88,49 +88,3 @@ class AuthenticationController {
 
 
 }
-
-// DTO classes
-@Getter
-@Setter
-class RegisterRequest {
-    private String username;
-    private String password;
-    private String contactInfo;
-}
-
-@Getter
-@Setter
-@AllArgsConstructor
-class RegisterResponse {
-    private String message;
-}
-
-@Getter
-@Setter
-class LoginRequest {
-    private String username;
-    private String password;
-    private String verificationCode;
-}
-
-@Getter
-@Setter
-@AllArgsConstructor
-class LoginResponse {
-    private String message;
-    private String jwt;
-}
-
-@Getter
-@Setter
-@AllArgsConstructor
-class UserProfileResponse {
-    private String username;
-    private String nickname;
-    private String gender;
-    private String phoneNumber;
-    private String email;
-    private String department;
-    private String role;
-    private LocalDateTime createdAt;
-}
\ No newline at end of file
diff --git a/src/main/java/org/cmh/backend/authentication/dto/JwtRequest.java b/src/main/java/org/cmh/backend/authentication/dto/JwtRequest.java
new file mode 100644
index 0000000..05cbacf
--- /dev/null
+++ b/src/main/java/org/cmh/backend/authentication/dto/JwtRequest.java
@@ -0,0 +1,11 @@
+package org.cmh.backend.authentication.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class JwtRequest {
+    private String token;
+}
+
diff --git a/src/main/java/org/cmh/backend/authentication/dto/LoginRequest.java b/src/main/java/org/cmh/backend/authentication/dto/LoginRequest.java
new file mode 100644
index 0000000..b55a4c8
--- /dev/null
+++ b/src/main/java/org/cmh/backend/authentication/dto/LoginRequest.java
@@ -0,0 +1,12 @@
+package org.cmh.backend.authentication.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class LoginRequest {
+    private String username;
+    private String password;
+    private String verificationCode;
+}
diff --git a/src/main/java/org/cmh/backend/authentication/dto/LoginResponse.java b/src/main/java/org/cmh/backend/authentication/dto/LoginResponse.java
new file mode 100644
index 0000000..d3d2a3c
--- /dev/null
+++ b/src/main/java/org/cmh/backend/authentication/dto/LoginResponse.java
@@ -0,0 +1,13 @@
+package org.cmh.backend.authentication.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+public class LoginResponse {
+    private String message;
+    private String jwt;
+}
diff --git a/src/main/java/org/cmh/backend/authentication/dto/ManageUserProfileRequest.java b/src/main/java/org/cmh/backend/authentication/dto/ManageUserProfileRequest.java
index 6c37924..0c1f6ee 100644
--- a/src/main/java/org/cmh/backend/authentication/dto/ManageUserProfileRequest.java
+++ b/src/main/java/org/cmh/backend/authentication/dto/ManageUserProfileRequest.java
@@ -5,8 +5,7 @@ import lombok.Setter;
 
 @Getter
 @Setter
-public class ManageUserProfileRequest {
-    private String token;
+public class ManageUserProfileRequest extends JwtRequest {
     private String nickname;
     private String gender;
     private String phoneNumber;
diff --git a/src/main/java/org/cmh/backend/authentication/dto/RegisterRequest.java b/src/main/java/org/cmh/backend/authentication/dto/RegisterRequest.java
new file mode 100644
index 0000000..f0eb627
--- /dev/null
+++ b/src/main/java/org/cmh/backend/authentication/dto/RegisterRequest.java
@@ -0,0 +1,12 @@
+package org.cmh.backend.authentication.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class RegisterRequest {
+    private String username;
+    private String password;
+    private String contactInfo;
+}
diff --git a/src/main/java/org/cmh/backend/authentication/dto/RegisterResponse.java b/src/main/java/org/cmh/backend/authentication/dto/RegisterResponse.java
new file mode 100644
index 0000000..ebf5945
--- /dev/null
+++ b/src/main/java/org/cmh/backend/authentication/dto/RegisterResponse.java
@@ -0,0 +1,12 @@
+package org.cmh.backend.authentication.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+public class RegisterResponse {
+    private String message;
+}
\ No newline at end of file
diff --git a/src/main/java/org/cmh/backend/authentication/dto/UserProfileResponse.java b/src/main/java/org/cmh/backend/authentication/dto/UserProfileResponse.java
new file mode 100644
index 0000000..8fbe409
--- /dev/null
+++ b/src/main/java/org/cmh/backend/authentication/dto/UserProfileResponse.java
@@ -0,0 +1,21 @@
+package org.cmh.backend.authentication.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+
+@Getter
+@Setter
+@AllArgsConstructor
+public class UserProfileResponse {
+    private String username;
+    private String nickname;
+    private String gender;
+    private String phoneNumber;
+    private String email;
+    private String department;
+    private String role;
+    private LocalDateTime createdAt;
+}