diff --git a/AutoRefersher/AutoRefersherApp.swift b/AutoRefersher/AutoRefersherApp.swift
index c703eca..e2e1ba0 100644
--- a/AutoRefersher/AutoRefersherApp.swift
+++ b/AutoRefersher/AutoRefersherApp.swift
@@ -15,6 +15,11 @@ struct AutoRefersherApp: App {
 			ContentView()
 		}
 		.windowStyle(HiddenTitleBarWindowStyle())
-//		.windowToolbarStyle(UnifiedWindowToolbarStyle(showsTitle: false))
+		.windowToolbarStyle(UnifiedWindowToolbarStyle(showsTitle: true))
 	}
 }
+
+
+func toggleSidebar() {
+	NSApp.keyWindow?.firstResponder?.tryToPerform(#selector(NSSplitViewController.toggleSidebar(_:)), with: nil)
+}
diff --git a/AutoRefersher/ContentView.swift b/AutoRefersher/ContentView.swift
index 908d6d5..3d48416 100644
--- a/AutoRefersher/ContentView.swift
+++ b/AutoRefersher/ContentView.swift
@@ -13,7 +13,7 @@ struct ContentView: View {
 	let doubleFormatter = NumberFormatter()
 	let dateFormatter = DateComponentsFormatter()
 
-	@State private var addressList: [String] = [String()]
+	@State var addressList: [String] = [String()]
 	@State private var visitTimes: Double = 100
 	@State private var remainingTimes: Double = 100
 	@State private var optionMenu: Bool = false
@@ -131,6 +131,14 @@ struct ContentView: View {
 			}
 		}
 		.padding()
+//		.toolbar {
+//			ToolbarItem(placement: .automatic){
+//				Button(action: /*@START_MENU_TOKEN@*//*@PLACEHOLDER=Action@*/{}/*@END_MENU_TOKEN@*/) {
+//					Image(systemName: "plus")
+//						.font(.largeTitle)
+//				}
+//			}
+//		}
 	}
 }
 
@@ -168,7 +176,7 @@ struct ContentView_Previews: PreviewProvider {
 }
 
 
-func AllEmptyString(_ stringList: [String]) -> Bool {
+fileprivate func AllEmptyString(_ stringList: [String]) -> Bool {
 	for string in stringList {
 		if !string.isEmpty {
 			return false
@@ -176,3 +184,17 @@ func AllEmptyString(_ stringList: [String]) -> Bool {
 	}
 	return true
 }
+
+
+fileprivate func NonEmptyCount(_ stringList: [String]) -> Int {
+	var count = 0
+	for string in  stringList {
+		if !string.isEmpty {
+			count += 1
+		}
+	}
+	if !stringList.last!.isEmpty {
+		count -= 1
+	}
+	return count
+}
diff --git a/AutoRefersher/RecursiveTextField.swift b/AutoRefersher/RecursiveTextField.swift
index 4cfcd23..0ff6d6a 100644
--- a/AutoRefersher/RecursiveTextField.swift
+++ b/AutoRefersher/RecursiveTextField.swift
@@ -18,10 +18,12 @@ struct RecursiveTextField: View {
 		if !skipped {
 			TextField(Placeholder, text: $TextList[Index], onCommit: {
 				if !TextList[Index].isEmpty {
-					TextList.append(String())
+					if !(TextList.last?.isEmpty ?? false) {
+						TextList.append(String())
+					}
 					NextRecursion = AnyView(RecursiveTextField(TextList: $TextList, Index: Index + 1, Placeholder: Placeholder))
 				}
-				else {
+				else if Index != TextList.count - 1 {
 					skipped = true
 				}
 			})