diff --git a/KkuMulKum/Resource/KeyChain/KeychainService.swift b/KkuMulKum/Resource/KeyChain/KeychainService.swift
index 9ea718b6..52f052f9 100644
--- a/KkuMulKum/Resource/KeyChain/KeychainService.swift
+++ b/KkuMulKum/Resource/KeyChain/KeychainService.swift
@@ -26,8 +26,10 @@ class DefaultKeychainService: KeychainService {
         static let refreshToken = "refreshToken"
     }
     
-    init(serviceName: String = Bundle.main.bundleIdentifier ?? "KkuMulKum.yizihn") {
+    init() {
+        let serviceName = Bundle.main.privacyInfo?["ServiceName"] as? String ?? Bundle.main.bundleIdentifier ?? "DefaultServiceName"
         self.keychain = KeychainWrapper(serviceName: serviceName)
+        print("Keychain initialized with service name: \(serviceName)")
     }
     
     var accessToken: String? {
diff --git a/KkuMulKum/Source/Onboarding/Login/ViewController/LoginViewController.swift b/KkuMulKum/Source/Onboarding/Login/ViewController/LoginViewController.swift
index 96baefba..f445f116 100644
--- a/KkuMulKum/Source/Onboarding/Login/ViewController/LoginViewController.swift
+++ b/KkuMulKum/Source/Onboarding/Login/ViewController/LoginViewController.swift
@@ -33,10 +33,22 @@ class LoginViewController: BaseViewController {
     override func setupAction() {
         super.setupAction()
         
-        let appleTapGesture = UITapGestureRecognizer(target: self, action: #selector(appleLoginTapped))
-        loginView.appleLoginImageView.addGestureRecognizer(appleTapGesture)
+        let appleTapGesture = UITapGestureRecognizer(
+            target: self,
+            action: #selector(
+                appleLoginTapped
+            )
+        )
+        loginView.appleLoginImageView.addGestureRecognizer(
+            appleTapGesture
+        )
         
-        let kakaoTapGesture = UITapGestureRecognizer(target: self, action: #selector(kakaoLoginTapped))
+        let kakaoTapGesture = UITapGestureRecognizer(
+            target: self,
+            action: #selector(
+                kakaoLoginTapped
+            )
+        )
         loginView.kakaoLoginImageView.addGestureRecognizer(kakaoTapGesture)
 
         loginView.dummyNextButton.addTarget(