diff --git a/lib/settings_page.dart b/lib/settings_page.dart
index 7023ddd..9579056 100644
--- a/lib/settings_page.dart
+++ b/lib/settings_page.dart
@@ -89,7 +89,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
                   SwitchListTile(
-                    title: Text('Alarm'),
+                    title: const Text('Alarm'),
                     value: settings.alarm,
                     onChanged: (value) {
                       db
@@ -98,7 +98,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                     },
                   ),
                   SwitchListTile(
-                    title: Text('Vibrate'),
+                    title: const Text('Vibrate'),
                     value: settings.vibrate,
                     onChanged: (value) {
                       db
@@ -107,7 +107,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                     },
                   ),
                   SwitchListTile(
-                    title: Text('Notify'),
+                    title: const Text('Notify'),
                     value: settings.notify,
                     onChanged: (value) {
                       db
@@ -116,7 +116,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                     },
                   ),
                   SwitchListTile(
-                    title: Text('Images'),
+                    title: const Text('Images'),
                     value: settings.images,
                     onChanged: (value) {
                       db
@@ -125,7 +125,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                     },
                   ),
                   SwitchListTile(
-                    title: Text('Show Unit'),
+                    title: const Text('Show Unit'),
                     value: settings.showUnit,
                     onChanged: (value) {
                       db
@@ -134,7 +134,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                     },
                   ),
                   SwitchListTile(
-                    title: Text('Steps'),
+                    title: const Text('Steps'),
                     value: settings.steps,
                     onChanged: (value) {
                       db
@@ -143,7 +143,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                     },
                   ),
                   TextField(
-                    decoration: InputDecoration(
+                    decoration: const InputDecoration(
                       labelText: 'Sound',
                     ),
                     onChanged: (value) {
@@ -153,7 +153,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                     },
                   ),
                   TextField(
-                    decoration: InputDecoration(
+                    decoration: const InputDecoration(
                       labelText: 'Light Color',
                     ),
                     onChanged: (value) {
@@ -163,7 +163,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                     },
                   ),
                   TextField(
-                    decoration: InputDecoration(
+                    decoration: const InputDecoration(
                       labelText: 'Dark Color',
                     ),
                     onChanged: (value) {
@@ -173,7 +173,7 @@ class _SettingsPageState extends State<_SettingsPage> {
                     },
                   ),
                   TextField(
-                    decoration: InputDecoration(
+                    decoration: const InputDecoration(
                       labelText: 'Date',
                     ),
                     onChanged: (value) {