diff --git a/DevLog/Infra/Service/SocialLogin/GoogleAuthenticationService.swift b/DevLog/Infra/Service/SocialLogin/GoogleAuthenticationService.swift
index 0d094154..4b9ff933 100644
--- a/DevLog/Infra/Service/SocialLogin/GoogleAuthenticationService.swift
+++ b/DevLog/Infra/Service/SocialLogin/GoogleAuthenticationService.swift
@@ -82,11 +82,9 @@ final class GoogleAuthenticationService: AuthenticationService {
         try await GIDSignIn.sharedInstance.disconnect()
     }
 
+    @MainActor
     func link(uid: String, email: String) async throws {
-        let topViewController = await MainActor.run {
-            provider.topViewController()
-        }
-        guard let topViewController = topViewController else {
+        guard let topViewController = provider.topViewController() else {
             throw UIError.notFoundTopViewController
         }
 
diff --git a/DevLog/Presentation/ViewModel/AccountViewModel.swift b/DevLog/Presentation/ViewModel/AccountViewModel.swift
index 2914bffa..5f2efd98 100644
--- a/DevLog/Presentation/ViewModel/AccountViewModel.swift
+++ b/DevLog/Presentation/ViewModel/AccountViewModel.swift
@@ -77,10 +77,10 @@ final class AccountViewModel: Store {
             effects = [.link(value)]
         case .unlinkFromProvider(let value):
             effects = [.unlink(value)]
-        case .setAlert(let isPresented, let type):
-            setAlert(&state, isPresented: isPresented, type: type)
-        case .setToast(let isPresented, let type):
-            setToast(&state, isPresented: isPresented, type: type)
+        case .setAlert(let presented, let type):
+            setAlert(&state, isPresented: presented, type: type)
+        case .setToast(let presented, let type):
+            setToast(&state, isPresented: presented, type: type)
         case .setLoading(let value):
             state.isLoading = value
         case .updateProviders(let currentProvider, let allProviders):
diff --git a/DevLog/UI/Setting/AccountView.swift b/DevLog/UI/Setting/AccountView.swift
index 2f07f8ef..870463e3 100644
--- a/DevLog/UI/Setting/AccountView.swift
+++ b/DevLog/UI/Setting/AccountView.swift
@@ -79,6 +79,12 @@ struct AccountView: View {
         } message: {
             Text(viewModel.state.alertMessage)
         }
+        .toast(isPresented: Binding(
+            get: { viewModel.state.showToast },
+            set: { viewModel.send(.setToast(isPresented: $0)) }
+        )) {
+            Text(viewModel.state.toastMessage)
+        }
         .overlay {
             if viewModel.state.isLoading {
                 LoadingView()