diff --git a/Mastodon/Scene/Authentication/Register/MastodonRegisterViewController.swift b/Mastodon/Scene/Authentication/Register/MastodonRegisterViewController.swift
index 5361b311..6eda242b 100644
--- a/Mastodon/Scene/Authentication/Register/MastodonRegisterViewController.swift
+++ b/Mastodon/Scene/Authentication/Register/MastodonRegisterViewController.swift
@@ -142,7 +142,7 @@ final class MastodonRegisterViewController: UIViewController, NeedsDependency {
     
     let passwordCheckLabel: UILabel = {
         let label = UILabel()
-        label.numberOfLines = 4
+        label.numberOfLines = 0
         return label
     }()
     
@@ -210,7 +210,7 @@ extension MastodonRegisterViewController {
         stackView.axis = .vertical
         stackView.distribution = .fill
         stackView.spacing = 40
-        stackView.layoutMargins = UIEdgeInsets(top: 0, left: 4, bottom: 0, right: 4)
+        stackView.layoutMargins = UIEdgeInsets(top: 0, left: 4, bottom: 26, right: 4)
         stackView.isLayoutMarginsRelativeArrangement = true
         stackView.addArrangedSubview(largeTitleLabel)
         stackView.addArrangedSubview(photoView)
@@ -293,21 +293,19 @@ extension MastodonRegisterViewController {
             signUpActivityIndicatorView.centerYAnchor.constraint(equalTo: signUpButton.centerYAnchor),
         ])
 
-        Publishers.CombineLatest3(
-            KeyboardResponderService.shared.isShow.eraseToAnyPublisher(),
+        Publishers.CombineLatest(
             KeyboardResponderService.shared.state.eraseToAnyPublisher(),
-            KeyboardResponderService.shared.endFrame.eraseToAnyPublisher()
+            KeyboardResponderService.shared.willEndFrame.eraseToAnyPublisher()
         )
-        .sink(receiveValue: { [weak self] isShow, state, endFrame in
+        .sink(receiveValue: { [weak self] state, endFrame in
             guard let self = self else { return }
             
-            guard isShow, state == .dock else {
+            guard state == .dock else {
                 self.scrollview.contentInset.bottom = 0.0
                 self.scrollview.verticalScrollIndicatorInsets.bottom = 0.0
                 return
             }
 
-            // isShow AND dock state
             let contentFrame = self.view.convert(self.scrollview.frame, to: nil)
             let padding = contentFrame.maxY - endFrame.minY
             guard padding > 0 else {
@@ -409,9 +407,10 @@ extension MastodonRegisterViewController: UITextFieldDelegate {
         // align to password label when overlap
         if textField === passwordTextField,
            KeyboardResponderService.shared.isShow.value,
-           KeyboardResponderService.shared.state.value == .dock {
-            let endFrame = KeyboardResponderService.shared.endFrame.value
-            let contentFrame = self.scrollview.convert(self.passwordCheckLabel.frame, to: nil)
+           KeyboardResponderService.shared.state.value == .dock
+        {
+            let endFrame = KeyboardResponderService.shared.willEndFrame.value
+            let contentFrame = scrollview.convert(passwordCheckLabel.frame, to: nil)
             let padding = contentFrame.maxY - endFrame.minY
             if padding > 0 {
                 let contentOffsetY = scrollview.contentOffset.y
diff --git a/Mastodon/Service/KeyboardResponderService.swift b/Mastodon/Service/KeyboardResponderService.swift
index 1711680a..b2173796 100644
--- a/Mastodon/Service/KeyboardResponderService.swift
+++ b/Mastodon/Service/KeyboardResponderService.swift
@@ -18,7 +18,8 @@ final class KeyboardResponderService {
     // output
     let isShow = CurrentValueSubject<Bool, Never>(false)
     let state = CurrentValueSubject<KeyboardState, Never>(.none)
-    let endFrame = CurrentValueSubject<CGRect, Never>(.zero)
+    let didEndFrame = CurrentValueSubject<CGRect, Never>(.zero)
+    let willEndFrame = CurrentValueSubject<CGRect, Never>(.zero)
     
     private init() {
         NotificationCenter.default.publisher(for: UIResponder.keyboardWillShowNotification, object: nil)
@@ -37,6 +38,15 @@ final class KeyboardResponderService {
         
         NotificationCenter.default.publisher(for: UIResponder.keyboardDidChangeFrameNotification, object: nil)
             .sink { notification in
+                guard let endFrame = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect else { return }
+                self.didEndFrame.value = endFrame
+                self.updateInternalStatus(notification: notification)
+            }
+            .store(in: &disposeBag)
+        NotificationCenter.default.publisher(for: UIResponder.keyboardWillChangeFrameNotification, object: nil)
+            .sink { notification in
+                guard let endFrame = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect else { return }
+                self.willEndFrame.value = endFrame
                 self.updateInternalStatus(notification: notification)
             }
             .store(in: &disposeBag)
@@ -52,8 +62,6 @@ extension KeyboardResponderService {
                 return
         }
         
-        self.endFrame.value = endFrame
-        
         guard isLocal else {
             self.state.value = .notLocal
             return