diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/school/SchoolService.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/school/SchoolService.kt
index a4fd797..3c0320e 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/school/SchoolService.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/api/school/SchoolService.kt
@@ -4,6 +4,8 @@ import com.bestswlkh0310.graduating.graduatingserver.core.graduating.GraduatingE
 import com.bestswlkh0310.graduating.graduatingserver.core.school.SchoolEntity
 import com.bestswlkh0310.graduating.graduatingserver.core.graduating.GraduatingRepository
 import com.bestswlkh0310.graduating.graduatingserver.core.school.SchoolRepository
+import com.bestswlkh0310.graduating.graduatingserver.global.exception.CustomException
+import org.springframework.http.HttpStatus
 import org.springframework.stereotype.Service
 
 @Service
@@ -16,6 +18,6 @@ class SchoolService(
     }
 
     fun getGraduating(schoolId: Long): GraduatingEntity {
-        return graduatingRepository.findBySchoolId(schoolId).firstOrNull()?: throw Exception("404") // TODO: Create CustomException
+        return graduatingRepository.findBySchoolId(schoolId).firstOrNull()?: throw CustomException(HttpStatus.NOT_FOUND, "Not found graduating school")
     }
 }
\ No newline at end of file
diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/core/user/User.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/core/user/User.kt
index f46173a..1d25b5d 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/core/user/User.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/core/user/User.kt
@@ -11,7 +11,7 @@ class User(
     @Column(nullable = false)
     val username: String,
     
-    @Column(nullable = false)
+    @Column
     val nickname: String?,
 
     @Column(nullable = false)
diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/exception/CustomExceptionHandler.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/exception/CustomExceptionHandler.kt
index d8f99ec..64ad540 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/exception/CustomExceptionHandler.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/exception/CustomExceptionHandler.kt
@@ -1,6 +1,7 @@
 package com.bestswlkh0310.graduating.graduatingserver.global.exception
 
 import com.bestswlkh0310.graduating.graduatingserver.global.ErrorRes
+import mu.KLogger
 import org.springframework.http.HttpStatus
 import org.springframework.http.ResponseEntity
 import org.springframework.web.HttpRequestMethodNotSupportedException
@@ -10,11 +11,13 @@ import org.springframework.web.context.request.WebRequest
 import org.springframework.web.servlet.resource.NoResourceFoundException
 
 @RestControllerAdvice
-class CustomExceptionHandler {
+class CustomExceptionHandler(
+    private val logger: KLogger
+) {
 
     @ExceptionHandler(CustomException::class)
     fun handleCustomException(exception: CustomException): ResponseEntity<ErrorRes> {
-        exception.printStackTrace()
+        logger.error("CustomExceptionHandler.CustomException", exception)
         return createErrorResponse(
             status = exception.status,
             message = exception.message
@@ -23,7 +26,7 @@ class CustomExceptionHandler {
 
     @ExceptionHandler(NoResourceFoundException::class)
     fun handleNoResourceFound(exception: NoResourceFoundException): ResponseEntity<ErrorRes> {
-        exception.printStackTrace()
+        logger.error("CustomExceptionHandler.NoResourceFoundException", exception)
         return createErrorResponse(
             status = HttpStatus.NOT_FOUND,
             message = HttpStatus.NOT_FOUND.reasonPhrase
@@ -32,7 +35,7 @@ class CustomExceptionHandler {
     
     @ExceptionHandler(HttpRequestMethodNotSupportedException::class)
     fun handleHttpRequestMethodNotSupported(exception: HttpRequestMethodNotSupportedException): ResponseEntity<ErrorRes> {
-        exception.printStackTrace()
+        logger.error("CustomExceptionHandler.HttpRequestMethodNotSupportedException", exception)
         return createErrorResponse(
             status = HttpStatus.METHOD_NOT_ALLOWED,
             message = HttpStatus.METHOD_NOT_ALLOWED.reasonPhrase
@@ -41,7 +44,7 @@ class CustomExceptionHandler {
 
     @ExceptionHandler(Exception::class)
     fun handleException(exception: Exception, webRequest: WebRequest): ResponseEntity<ErrorRes> {
-        exception.printStackTrace()
+        logger.error("CustomExceptionHandler.Exception", exception)
         return createErrorResponse(
             status = HttpStatus.INTERNAL_SERVER_ERROR,
             message = HttpStatus.INTERNAL_SERVER_ERROR.reasonPhrase,
diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/exception/ErrorResponseSender.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/exception/ErrorResponseSender.kt
index bf8bdb3..8d40ad5 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/exception/ErrorResponseSender.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/exception/ErrorResponseSender.kt
@@ -3,6 +3,7 @@ package com.bestswlkh0310.graduating.graduatingserver.global.exception
 import com.bestswlkh0310.graduating.graduatingserver.global.ErrorRes
 import com.fasterxml.jackson.databind.ObjectMapper
 import jakarta.servlet.http.HttpServletResponse
+import mu.KLogger
 import org.springframework.http.HttpStatus
 import org.springframework.http.MediaType
 import org.springframework.stereotype.Component
@@ -10,7 +11,8 @@ import java.io.IOException
 
 @Component
 class ErrorResponseSender(
-    private val objectMapper: ObjectMapper
+    private val objectMapper: ObjectMapper,
+    private val logger: KLogger
 ) {
 
     fun send(response: HttpServletResponse, customException: CustomException) =
@@ -32,7 +34,7 @@ class ErrorResponseSender(
                 )
             )
         } catch (e: IOException) {
-            e.printStackTrace()
+            logger.error("ErrorResponseSender.send", e)
         }
     }
 }
\ No newline at end of file
diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/jwt/JwtExceptionFilter.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/jwt/JwtExceptionFilter.kt
index 4084f7d..8d1f4b2 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/jwt/JwtExceptionFilter.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/global/jwt/JwtExceptionFilter.kt
@@ -24,7 +24,6 @@ class JwtExceptionFilter(
         } catch (exception: CustomException) {
             sender.send(response, exception)
         } catch (exception: Exception) {
-            exception.printStackTrace()
             sender.send(response, status = HttpStatus.INTERNAL_SERVER_ERROR)
         }
     }
diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/neis/NeisMealHelper.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/neis/NeisMealHelper.kt
index a39388d..fd8a9a8 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/neis/NeisMealHelper.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/neis/NeisMealHelper.kt
@@ -5,6 +5,7 @@ import com.bestswlkh0310.graduating.graduatingserver.core.meal.MealEntity
 import com.bestswlkh0310.graduating.graduatingserver.core.school.SchoolEntity
 import com.bestswlkh0310.graduating.graduatingserver.core.meal.MealRepository
 import com.bestswlkh0310.graduating.graduatingserver.core.school.SchoolRepository
+import mu.KLogger
 import org.springframework.beans.factory.annotation.Qualifier
 import org.springframework.stereotype.Component
 import org.springframework.web.client.RestClient
@@ -16,7 +17,8 @@ class NeisMealHelper(
     private val neisProperties: NeisProperties,
     private val mealRepository: MealRepository,
     @Qualifier("neis")
-    private val restClient: RestClient
+    private val restClient: RestClient,
+    private val logger: KLogger,
 ) {
 
     suspend fun getMeals(school: SchoolEntity): List<MealEntity> {
@@ -54,7 +56,7 @@ class NeisMealHelper(
                             }
                             result.add(entity)
                         } catch (e: Exception) {
-                            e.printStackTrace()
+                            logger.error("Neis Error")
                         }
                     }
                 }
diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/neis/NeisScheduleHelper.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/neis/NeisScheduleHelper.kt
index 4bfee05..d3fe563 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/neis/NeisScheduleHelper.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/neis/NeisScheduleHelper.kt
@@ -5,6 +5,7 @@ import com.bestswlkh0310.graduating.graduatingserver.core.school.SchoolEntity
 import com.bestswlkh0310.graduating.graduatingserver.core.school.SchoolType
 import com.bestswlkh0310.graduating.graduatingserver.core.graduating.GraduatingRepository
 import com.bestswlkh0310.graduating.graduatingserver.core.school.SchoolRepository
+import mu.KLogger
 import org.apache.commons.csv.CSVFormat
 import org.apache.commons.csv.CSVParser
 import org.springframework.beans.factory.annotation.Qualifier
@@ -23,7 +24,8 @@ class NeisScheduleHelper(
     private val graduatingRepository: GraduatingRepository,
     @Qualifier("neis")
     private val restClient: RestClient,
-    private val neisProperties: NeisProperties
+    private val neisProperties: NeisProperties,
+    private val logger: KLogger
 ) {
 
     fun importCsv(filePath: String) {
@@ -48,7 +50,7 @@ class NeisScheduleHelper(
                     anniversary = LocalDate.parse(v[11], DateTimeFormatter.ofPattern("yyyyMMdd")),
                 )
             } catch (e: Exception) {
-                e.printStackTrace()
+                logger.error("Neis Error", e)
                 null
             }
         }.let {
@@ -99,7 +101,7 @@ class NeisScheduleHelper(
                 println("❌ - ${school.name} - 알 수 없음 ${response?.SchoolSchedule}")
             }
         } catch (e: Exception) {
-            e.printStackTrace()
+            logger.error("Neis Error", e)
         }
         return result
     }
diff --git a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/oauth2/apple/AppleOAuth2Client.kt b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/oauth2/apple/AppleOAuth2Client.kt
index c4ef650..ec51887 100644
--- a/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/oauth2/apple/AppleOAuth2Client.kt
+++ b/Graduating-Server/src/main/kotlin/com/bestswlkh0310/graduating/graduatingserver/infra/oauth2/apple/AppleOAuth2Client.kt
@@ -73,7 +73,7 @@ class AppleOAuth2Client(
             val privateKeyInfo = PrivateKeyInfo.getInstance(privateKeyBytes)
             return converter.getPrivateKey(privateKeyInfo)
         } catch (e: Exception) {
-            throw java.lang.RuntimeException("Error converting private key from String", e)
+            throw CustomException(HttpStatus.INTERNAL_SERVER_ERROR, "Error converting private key from String")
         }
     }
 }
\ No newline at end of file
diff --git a/Graduating-iOS/Data/Local/Extension/UserDefaultsExt.swift b/Graduating-iOS/Data/Local/Extension/UserDefaultsExt.swift
index f57471d..cf92e04 100644
--- a/Graduating-iOS/Data/Local/Extension/UserDefaultsExt.swift
+++ b/Graduating-iOS/Data/Local/Extension/UserDefaultsExt.swift
@@ -5,4 +5,9 @@ public extension UserDefaults {
         let appGroupId = "group.hhhello0507.graduating"
         return UserDefaults(suiteName: appGroupId) ?? .standard
     }
+    
+    var accessToken: String? {
+        get { self.string(forKey: "accessToken") }
+        set { self.set(newValue, forKey: "accessToken") }
+    }
 }
diff --git a/Graduating-iOS/Data/Local/SignInExt.swift b/Graduating-iOS/Data/Local/SignInExt.swift
new file mode 100644
index 0000000..5ee6f9b
--- /dev/null
+++ b/Graduating-iOS/Data/Local/SignInExt.swift
@@ -0,0 +1,15 @@
+//
+//  SignInExt.swift
+//  Data
+//
+//  Created by hhhello0507 on 10/4/24.
+//
+
+import Foundation
+import SignKit
+
+public extension Sign {
+    static var me: Sign {
+        Sign(store: .init(.graduating))
+    }
+}
diff --git a/Graduating-iOS/Data/Network/AuthService.swift b/Graduating-iOS/Data/Network/AuthService.swift
index 7622118..77249f0 100644
--- a/Graduating-iOS/Data/Network/AuthService.swift
+++ b/Graduating-iOS/Data/Network/AuthService.swift
@@ -7,18 +7,20 @@
 
 import MyMoya
 import Model
+import Moya
+import Combine
 
-public enum AuthEndpoint {
+enum AuthEndpoint {
     case oauth2SignIn(OAuth2SignInReq)
     case refresh(RefreshReq)
 }
 
 extension AuthEndpoint: MyTarget {
-    public var host: String { "auth" }
-    public var route: Route {
+    var host: String { "auth" }
+    var route: Route {
         switch self {
         case .oauth2SignIn(let req):
-                .post("sign-in/auth2")
+                .post("sign-in/oauth2")
                 .task(req.toJSONParameters())
         case .refresh(let req):
                 .post("refresh")
@@ -27,4 +29,15 @@ extension AuthEndpoint: MyTarget {
     }
 }
 
-//public e
+public class AuthService {
+    public static let shared = AuthService()
+    let netRunner = DefaultNetRunner<AuthEndpoint>()
+    
+    public func oauth2SignIn(_ req: OAuth2SignInReq) -> AnyPublisher<Token, MoyaError> {
+        netRunner.deepDive(.oauth2SignIn(req), res: Token.self)
+    }
+    
+    public func refresh(_ req: RefreshReq) -> AnyPublisher<Token, MoyaError> {
+        netRunner.deepDive(.refresh(req), res: Token.self)
+    }
+}
diff --git a/Graduating-iOS/Graduating.xcodeproj/project.pbxproj b/Graduating-iOS/Graduating.xcodeproj/project.pbxproj
index e427ebe..cea0388 100644
--- a/Graduating-iOS/Graduating.xcodeproj/project.pbxproj
+++ b/Graduating-iOS/Graduating.xcodeproj/project.pbxproj
@@ -9,6 +9,7 @@
 /* Begin PBXBuildFile section */
 		25064D392CAEFEFF00181796 /* GoogleSignIn in Frameworks */ = {isa = PBXBuildFile; productRef = 25064D382CAEFEFF00181796 /* GoogleSignIn */; };
 		25064D3B2CAEFEFF00181796 /* GoogleSignInSwift in Frameworks */ = {isa = PBXBuildFile; productRef = 25064D3A2CAEFEFF00181796 /* GoogleSignInSwift */; };
+		25064DDB2CAF862D00181796 /* SignKit in Frameworks */ = {isa = PBXBuildFile; productRef = 25064DDA2CAF862D00181796 /* SignKit */; };
 		250EAE242C7DE05500D9FF5E /* CombineMoya in Frameworks */ = {isa = PBXBuildFile; productRef = 250EAE232C7DE05500D9FF5E /* CombineMoya */; };
 		250EAE262C7DE05500D9FF5E /* Moya in Frameworks */ = {isa = PBXBuildFile; productRef = 250EAE252C7DE05500D9FF5E /* Moya */; };
 		250FD0852C74AF100070503B /* CombineMoya in Frameworks */ = {isa = PBXBuildFile; productRef = 250FD0842C74AF100070503B /* CombineMoya */; };
@@ -182,6 +183,7 @@
 				250FD0852C74AF100070503B /* CombineMoya in Frameworks */,
 				25064D392CAEFEFF00181796 /* GoogleSignIn in Frameworks */,
 				25C962D42C7B07C500EB872E /* libData.a in Frameworks */,
+				25064DDB2CAF862D00181796 /* SignKit in Frameworks */,
 				25C962D12C7B07C000EB872E /* libModel.a in Frameworks */,
 				253DC2B22C7EBEAC0047C401 /* MyDesignSystem in Frameworks */,
 				250FD0872C74AF100070503B /* Moya in Frameworks */,
@@ -298,6 +300,7 @@
 				253DC2B12C7EBEAC0047C401 /* MyDesignSystem */,
 				25064D382CAEFEFF00181796 /* GoogleSignIn */,
 				25064D3A2CAEFEFF00181796 /* GoogleSignInSwift */,
+				25064DDA2CAF862D00181796 /* SignKit */,
 			);
 			productName = Graduating;
 			productReference = 2560F1732C746C16007009E2 /* Graduating.app */;
@@ -447,6 +450,7 @@
 				25C4CCF32C74B30600DB83B3 /* XCRemoteSwiftPackageReference "Then" */,
 				253DC2B02C7EBEAC0047C401 /* XCRemoteSwiftPackageReference "my-ios-kit" */,
 				25064D372CAEFEFF00181796 /* XCRemoteSwiftPackageReference "GoogleSignIn-iOS" */,
+				25064DD92CAF862D00181796 /* XCRemoteSwiftPackageReference "SignKit" */,
 			);
 			productRefGroup = 2560F1742C746C16007009E2 /* Products */;
 			projectDirPath = "";
@@ -996,6 +1000,14 @@
 				minimumVersion = 8.0.0;
 			};
 		};
+		25064DD92CAF862D00181796 /* XCRemoteSwiftPackageReference "SignKit" */ = {
+			isa = XCRemoteSwiftPackageReference;
+			repositoryURL = "https://github.com/hhhello0507/SignKit";
+			requirement = {
+				branch = main;
+				kind = branch;
+			};
+		};
 		250FD0832C74AF100070503B /* XCRemoteSwiftPackageReference "Moya" */ = {
 			isa = XCRemoteSwiftPackageReference;
 			repositoryURL = "https://github.com/Moya/Moya";
@@ -1041,6 +1053,11 @@
 			package = 25064D372CAEFEFF00181796 /* XCRemoteSwiftPackageReference "GoogleSignIn-iOS" */;
 			productName = GoogleSignInSwift;
 		};
+		25064DDA2CAF862D00181796 /* SignKit */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = 25064DD92CAF862D00181796 /* XCRemoteSwiftPackageReference "SignKit" */;
+			productName = SignKit;
+		};
 		250EAE232C7DE05500D9FF5E /* CombineMoya */ = {
 			isa = XCSwiftPackageProductDependency;
 			package = 250FD0832C74AF100070503B /* XCRemoteSwiftPackageReference "Moya" */;
diff --git a/Graduating-iOS/Graduating.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/Graduating-iOS/Graduating.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index 7665438..bd97e62 100644
--- a/Graduating-iOS/Graduating.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/Graduating-iOS/Graduating.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -1,5 +1,5 @@
 {
-  "originHash" : "e3c1180a8e38a74c7306c05087a0cb19db9d112d93d960a6d4f87d4ab491fe93",
+  "originHash" : "86ee7362d835b2c48d70dbdbd539e71a20eddc693570324381092defd335f7d8",
   "pins" : [
     {
       "identity" : "alamofire",
@@ -118,6 +118,15 @@
         "version" : "6.7.1"
       }
     },
+    {
+      "identity" : "signkit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/hhhello0507/SignKit",
+      "state" : {
+        "branch" : "main",
+        "revision" : "9f1560813ea00a57462ae16074eaee3a67adc233"
+      }
+    },
     {
       "identity" : "then",
       "kind" : "remoteSourceControl",
diff --git a/Graduating-iOS/Graduating/Feature/Main/Profile/ProfileObservable.swift b/Graduating-iOS/Graduating/Feature/Main/Profile/ProfileObservable.swift
new file mode 100644
index 0000000..c2cee28
--- /dev/null
+++ b/Graduating-iOS/Graduating/Feature/Main/Profile/ProfileObservable.swift
@@ -0,0 +1,37 @@
+//
+//  ProfileViewModel.swift
+//  Graduating
+//
+//  Created by hhhello0507 on 10/4/24.
+//
+
+import Combine
+import Model
+import Data
+import Foundation
+import SignKit
+
+final class ProfileObservable: ObservableObject {
+    enum Subject {
+        case signInFailure
+    }
+    var subscription = Set<AnyCancellable>()
+    var subject = PassthroughSubject<Subject, Never>()
+    func signIn(code: String, platformType: PlatformType) {
+        AuthService.shared.oauth2SignIn(
+            .init(platformType: platformType, code: code)
+        )
+        .sink {
+            print($0)
+        } receiveValue: {
+            Sign.me.login(id: "", password: "", accessToken: $0.accessToken, refreshToken: $0.refreshToken)
+        }
+        .store(in: &subscription)
+    }
+    
+    deinit {
+        subscription.forEach {
+            $0.cancel()
+        }
+    }
+}
diff --git a/Graduating-iOS/Graduating/Feature/Main/Profile/ProfileView.swift b/Graduating-iOS/Graduating/Feature/Main/Profile/ProfileView.swift
index 6753ec7..8138211 100644
--- a/Graduating-iOS/Graduating/Feature/Main/Profile/ProfileView.swift
+++ b/Graduating-iOS/Graduating/Feature/Main/Profile/ProfileView.swift
@@ -3,14 +3,18 @@ import MyDesignSystem
 import GoogleSignIn
 import MyUIKitExt
 import Model
+import Data
 
 struct ProfileView: View {
     
     @StateObject private var appleObservable = AppleObservable()
+    @StateObject private var observable = ProfileObservable()
     @EnvironmentObject private var dialog: DialogProvider
     @EnvironmentObject private var router: Router
+    @EnvironmentObject private var appState: AppState
     @Environment(\.openURL) private var openURL
     @State private var isSheetPresent: Bool = false
+    @AppStorage("accessToken") private var accessToken: String?
     
     var body: some View {
         MyTopAppBar.default(
@@ -20,10 +24,16 @@ struct ProfileView: View {
             VStack(spacing: 0) {
                 VStack(spacing: 8) {
                     MyAvatar(nil, type: .larger)
-                    Button {
-                        isSheetPresent = true
-                    } label: {
-                        Text("로그인 하기")
+                    if accessToken == nil {
+                        Button {
+                            isSheetPresent = true
+                        } label: {
+                            Text("로그인 하기")
+                                .foreground(Colors.Label.alternative)
+                                .myFont(.bodyR)
+                        }
+                    } else {
+                        Text("-")
                             .foreground(Colors.Label.alternative)
                             .myFont(.bodyR)
                     }
@@ -61,7 +71,7 @@ struct ProfileView: View {
             VStack(spacing: 10) {
                 AppleSignInButton {
                     appleObservable.signIn { code in
-                        signIn(code: code, platformType: .apple)
+                        observable.signIn(code: code, platformType: .apple)
                     } failureCompletion: {
                         dialog.present(
                             .init(title: "로그인 실패")
@@ -72,6 +82,7 @@ struct ProfileView: View {
                     guard let rootViewController = UIApplicationUtil.window?.rootViewController else { return }
                     Task {
                         let result = try await GIDSignIn.sharedInstance.signIn(withPresenting: rootViewController)
+                        guard let code = result.serverAuthCode else { return }
                         
                     }
                 }
@@ -82,10 +93,3 @@ struct ProfileView: View {
         }
     }
 }
-
-// MARK: - Presenter
-extension ProfileView {
-    func signIn(code: String, platformType: PlatformType) {
-        
-    }
-}
diff --git a/Graduating-iOS/Graduating/Feature/Observable/AppState.swift b/Graduating-iOS/Graduating/Feature/Observable/AppState.swift
index bd96ab0..3e4a3bd 100644
--- a/Graduating-iOS/Graduating/Feature/Observable/AppState.swift
+++ b/Graduating-iOS/Graduating/Feature/Observable/AppState.swift
@@ -9,6 +9,7 @@ import Combine
 import Foundation
 import Model
 import Data
+import SignKit
 
 final class AppState: BaseViewModel {
     
@@ -16,12 +17,12 @@ final class AppState: BaseViewModel {
         case fetchedGraduating(Graduating)
     }
     
+    var subject = PassthroughSubject<Subject, Never>()
     @Published var grade: Int? = UserDefaultsType.grade.value as? Int {
         didSet {
             UserDefaultsType.grade.set(grade)
         }
     }
-    // json
     @Published var school: School? = {
         guard let json = UserDefaultsType.school.value as? String else {
             return nil
@@ -45,7 +46,6 @@ final class AppState: BaseViewModel {
         }
     }
     @Published var graduatingFetchFailure = false
-    var subject = PassthroughSubject<Subject, Never>()
     
     func fetchGraduating(id: Int) {
         SchoolService.shared.getGraduating(id: id)
diff --git a/Graduating-iOS/Model/Auth/Token.swift b/Graduating-iOS/Model/Auth/Token.swift
new file mode 100644
index 0000000..a6df292
--- /dev/null
+++ b/Graduating-iOS/Model/Auth/Token.swift
@@ -0,0 +1,18 @@
+//
+//  Token.swift
+//  Model
+//
+//  Created by hhhello0507 on 10/4/24.
+//
+
+import Foundation
+
+public struct Token: ModelProtocol {
+    public let accessToken: String
+    public let refreshToken: String
+    
+    public init(accessToken: String, refreshToken: String) {
+        self.accessToken = accessToken
+        self.refreshToken = refreshToken
+    }
+}