diff --git a/CleanArchitecture/Application/View-ViewModel/Scene/000 - TabBar/TabBarCoordinator.swift b/CleanArchitecture/Application/View-ViewModel/Scene/000 - TabBar/TabBarCoordinator.swift
index 60b3303..2296709 100644
--- a/CleanArchitecture/Application/View-ViewModel/Scene/000 - TabBar/TabBarCoordinator.swift	
+++ b/CleanArchitecture/Application/View-ViewModel/Scene/000 - TabBar/TabBarCoordinator.swift	
@@ -44,6 +44,7 @@ final class TabBarCoordinator: Coordinate {
         let router = Router<InfoTarget>()
         let useCase = InfoNetwork(router: router)
         let coordinator = SettingsCoordinator()
+        coordinator.viewController = controller
         let viewModel = SettingsViewModel(useCase: useCase, coordinator: coordinator)
         controller.viewModel = viewModel
         let navigationController = NavigationController(rootViewController: controller)
diff --git a/CleanArchitecture/Application/View-ViewModel/Scene/002 - Settings/SettingsViewController.swift b/CleanArchitecture/Application/View-ViewModel/Scene/002 - Settings/SettingsViewController.swift
index 6b380fa..951a027 100644
--- a/CleanArchitecture/Application/View-ViewModel/Scene/002 - Settings/SettingsViewController.swift	
+++ b/CleanArchitecture/Application/View-ViewModel/Scene/002 - Settings/SettingsViewController.swift	
@@ -29,6 +29,8 @@ final class SettingsViewController: ViewController, View {
         output.viewModels.drive(tableView.rx.items(cellIdentifier: DetailCell.identify, cellType: DetailCell.self)) { (_, viewModel, cell) in
             cell.viewModel = viewModel
         }.disposed(by: bag)
+        output.indicator.drive().disposed(by: bag)
+        output.error.drive().disposed(by: bag)
     }
 }
 
diff --git a/CleanArchitecture/Application/View-ViewModel/Scene/002 - Settings/SettingsViewModel.swift b/CleanArchitecture/Application/View-ViewModel/Scene/002 - Settings/SettingsViewModel.swift
index 28a8717..b716633 100644
--- a/CleanArchitecture/Application/View-ViewModel/Scene/002 - Settings/SettingsViewModel.swift	
+++ b/CleanArchitecture/Application/View-ViewModel/Scene/002 - Settings/SettingsViewModel.swift	
@@ -21,14 +21,19 @@ final class SettingsViewModel: ViewModel {
     }
 
     func transform(input: Input) -> Output {
+        let indicator: RxIndicator = RxIndicator()
+        let rxError: RxError = RxError()
         let viewModels: Driver<[DetailCellViewModel]> = input.loadTrigger
             .flatMapLatest { _ -> Driver<Info> in
-                return self.useCase.about().emptyDriverIfError()
+                return self.useCase.about().indicate(indicator).trackError(into: rxError).emptyDriverIfError()
             }
             .map { info -> [DetailCellViewModel] in
                 return DetailCellViewModel.Kind.allCases.map { DetailCellViewModel(kind: $0, info: info) }
             }
-        let output = Output(viewModels: viewModels)
+        let error = rxError.asObservable().do(onNext: { (error) in
+            self.coordinator?.showError(error)
+        }).emptyDriverIfError()
+        let output = Output(viewModels: viewModels, indicator: indicator.asObservable().emptyDriverIfError(), error: error)
         return output
     }
 }
@@ -41,6 +46,7 @@ extension SettingsViewModel {
 
     struct Output {
         let viewModels: Driver<[DetailCellViewModel]>
-        
+        let indicator: Driver<Bool>
+        let error: Driver<Error>
     }
 }
diff --git a/CleanArchitecture/Application/View-ViewModel/Scene/003 - AddTask/AddTaskViewController.swift b/CleanArchitecture/Application/View-ViewModel/Scene/003 - AddTask/AddTaskViewController.swift
index f39370e..fcc33e1 100644
--- a/CleanArchitecture/Application/View-ViewModel/Scene/003 - AddTask/AddTaskViewController.swift	
+++ b/CleanArchitecture/Application/View-ViewModel/Scene/003 - AddTask/AddTaskViewController.swift	
@@ -24,12 +24,15 @@ final class AddTaskViewController: ViewController {
         setupBackground()
         setupNavi()
         setupTimePicker()
-        setupTextField()
     }
 
     override func bindViewModel() {
         super.bindViewModel()
-        let save = saveButton.rx.tap.asDriver()
+        let save = saveButton.rx.tap
+            .do(onNext: { _ in
+                self.view.endEditing(true)
+            })
+            .emptyDriverIfError()
         let cancel = cancelButton.rx.tap.asDriver()
         let time = timePicker.rx.date.asDriver()
         let name = nameTextField.rx.text.orEmpty.asDriver()
@@ -37,6 +40,13 @@ final class AddTaskViewController: ViewController {
         let output = viewModel.transform(input: input)
         output.cancel.drive().disposed(by: bag)
         output.save.drive().disposed(by: bag)
+        nameTextField.rx.controlEvent(.editingDidEndOnExit)
+            .do(onNext: { _ in
+                self.view.endEditing(true)
+            })
+            .emptyDriverIfError()
+            .drive()
+            .disposed(by: bag)
     }
 }
 
@@ -62,16 +72,4 @@ extension AddTaskViewController {
         timePicker.minimumDate = Date()
         timePicker.setValue(UIColor.white, forKey: "textColor")
     }
-
-    private func setupTextField() {
-        nameTextField.delegate = self
-    }
-}
-
-// MARK: - UITextFieldDelegate
-extension AddTaskViewController: UITextFieldDelegate {
-    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
-        view.endEditing(true)
-        return true
-    }
 }