diff --git a/KkuMulKum.xcodeproj/project.pbxproj b/KkuMulKum.xcodeproj/project.pbxproj
index 6f81d4d2..d07169e8 100644
--- a/KkuMulKum.xcodeproj/project.pbxproj
+++ b/KkuMulKum.xcodeproj/project.pbxproj
@@ -48,6 +48,7 @@
 		785AE1C02C2E878600677CA0 /* FirebaseVertexAI-Preview in Frameworks */ = {isa = PBXBuildFile; productRef = 785AE1BF2C2E878600677CA0 /* FirebaseVertexAI-Preview */; };
 		785AE1D12C3B07A600677CA0 /* PrivacyInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 785AE1D02C3B07A600677CA0 /* PrivacyInfo.plist */; };
 		789196362C492F8600FF8CDF /* AuthTargetType.swift in Sources */ = {isa = PBXBuildFile; fileRef = 789196352C492F8600FF8CDF /* AuthTargetType.swift */; };
+		789196382C49697B00FF8CDF /* AuthError.swift in Sources */ = {isa = PBXBuildFile; fileRef = 789196372C49697B00FF8CDF /* AuthError.swift */; };
 		789873322C3D1A7B00435E96 /* LoginViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7898732F2C3D1A7B00435E96 /* LoginViewController.swift */; };
 		789873332C3D1A7B00435E96 /* LoginViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 789873302C3D1A7B00435E96 /* LoginViewModel.swift */; };
 		789873342C3D1A7B00435E96 /* LoginView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 789873312C3D1A7B00435E96 /* LoginView.swift */; };
@@ -239,6 +240,7 @@
 		782B40812C3E4925008B0CA7 /* NicknameViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NicknameViewModel.swift; sourceTree = "<group>"; };
 		785AE1D02C3B07A600677CA0 /* PrivacyInfo.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = PrivacyInfo.plist; sourceTree = "<group>"; };
 		789196352C492F8600FF8CDF /* AuthTargetType.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuthTargetType.swift; sourceTree = "<group>"; };
+		789196372C49697B00FF8CDF /* AuthError.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuthError.swift; sourceTree = "<group>"; };
 		7898732F2C3D1A7B00435E96 /* LoginViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LoginViewController.swift; sourceTree = "<group>"; };
 		789873302C3D1A7B00435E96 /* LoginViewModel.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LoginViewModel.swift; sourceTree = "<group>"; };
 		789873312C3D1A7B00435E96 /* LoginView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LoginView.swift; sourceTree = "<group>"; };
@@ -514,6 +516,15 @@
 			path = ViewModel;
 			sourceTree = "<group>";
 		};
+		789196392C49697F00FF8CDF /* Auth */ = {
+			isa = PBXGroup;
+			children = (
+				789196372C49697B00FF8CDF /* AuthError.swift */,
+				789196352C492F8600FF8CDF /* AuthTargetType.swift */,
+			);
+			path = Auth;
+			sourceTree = "<group>";
+		};
 		789873352C3D1B3000435E96 /* View */ = {
 			isa = PBXGroup;
 			children = (
@@ -1122,7 +1133,7 @@
 		DDE7D2BE2C470A58005A921F /* TargetType */ = {
 			isa = PBXGroup;
 			children = (
-				789196352C492F8600FF8CDF /* AuthTargetType.swift */,
+				789196392C49697F00FF8CDF /* Auth */,
 				DDE7D2BF2C470A58005A921F /* LoginTargetType.swift */,
 				DDE7D2C02C470A58005A921F /* ProfileTargetType.swift */,
 				DDE7D2C12C470A58005A921F /* NicknameTargetType.swift */,
@@ -1703,6 +1714,7 @@
 				DD8626622C4606A300E4F980 /* ReadyStatusViewModel.swift in Sources */,
 				DD3F9DC22C481ED5008E1FF7 /* MeetingService.swift in Sources */,
 				DE6D4D102C3F14D80005584B /* InvitationCodePopUpView.swift in Sources */,
+				789196382C49697B00FF8CDF /* AuthError.swift in Sources */,
 				A39F2B1B2C47C206008DA5F5 /* SetReadyCompletedViewController.swift in Sources */,
 				DDFA50812C4693BD000A62E2 /* ProfileSetupViewController.swift in Sources */,
 				DD30721A2C3C011600416D9F /* AddPromiseRequestModel.swift in Sources */,
diff --git a/KkuMulKum/Network/Service/AuthService.swift b/KkuMulKum/Network/Service/AuthService.swift
index 4aa6ed78..4f19525c 100644
--- a/KkuMulKum/Network/Service/AuthService.swift
+++ b/KkuMulKum/Network/Service/AuthService.swift
@@ -55,12 +55,7 @@ class AuthService: AuthServiceType {
     
     func performRequest<T: ResponseModelType>(
         _ target: AuthTargetType,
-        completion: @escaping (
-            Result<
-            T,
-            NetworkError
-            >
-        ) -> Void
+        completion: @escaping (Result<T, NetworkError>) -> Void
     ) {
         provider.request(target) { result in
             switch result {
diff --git a/KkuMulKum/Network/TargetType/Auth/AuthError.swift b/KkuMulKum/Network/TargetType/Auth/AuthError.swift
new file mode 100644
index 00000000..7081a6f6
--- /dev/null
+++ b/KkuMulKum/Network/TargetType/Auth/AuthError.swift
@@ -0,0 +1,34 @@
+//
+//  AuthError.swift
+//  KkuMulKum
+//
+//  Created by 이지훈 on 7/19/24.
+//
+
+import Foundation
+
+enum NetworkError: Error {
+    case invalidImageFormat
+    case imageSizeExceeded
+    case userNotFound
+    case decodingError
+    case networkError
+    case unknownError(String)
+    
+    var message: String {
+        switch self {
+        case .invalidImageFormat:
+            return "이미지 확장자는 jpg, png, webp만 가능합니다."
+        case .imageSizeExceeded:
+            return "이미지 사이즈는 5MB를 넘을 수 없습니다."
+        case .userNotFound:
+            return "유저를 찾을 수 없습니다."
+        case .decodingError:
+            return "데이터 디코딩 중 오류가 발생했습니다."
+        case .networkError:
+            return "네트워크 오류가 발생했습니다."
+        case .unknownError(let message):
+            return message
+        }
+    }
+}
diff --git a/KkuMulKum/Network/TargetType/AuthTargetType.swift b/KkuMulKum/Network/TargetType/Auth/AuthTargetType.swift
similarity index 80%
rename from KkuMulKum/Network/TargetType/AuthTargetType.swift
rename to KkuMulKum/Network/TargetType/Auth/AuthTargetType.swift
index 7a144154..77b2da79 100644
--- a/KkuMulKum/Network/TargetType/AuthTargetType.swift
+++ b/KkuMulKum/Network/TargetType/Auth/AuthTargetType.swift
@@ -9,32 +9,6 @@ import Foundation
 
 import Moya
 
-enum NetworkError: Error {
-    case invalidImageFormat
-    case imageSizeExceeded
-    case userNotFound
-    case decodingError
-    case networkError
-    case unknownError(String)
-    
-    var message: String {
-        switch self {
-        case .invalidImageFormat:
-            return "이미지 확장자는 jpg, png, webp만 가능합니다."
-        case .imageSizeExceeded:
-            return "이미지 사이즈는 5MB를 넘을 수 없습니다."
-        case .userNotFound:
-            return "유저를 찾을 수 없습니다."
-        case .decodingError:
-            return "데이터 디코딩 중 오류가 발생했습니다."
-        case .networkError:
-            return "네트워크 오류가 발생했습니다."
-        case .unknownError(let message):
-            return message
-        }
-    }
-}
-
 enum AuthTargetType {
     case appleLogin(identityToken: String, fcmToken: String)
     case kakaoLogin(accessToken: String, fcmToken: String)