chore(i18n): optimize english translations for appearance settings

Author: guqing

ui/src/locales/lang/en-US/views/system.ts

@@ -101,7 +101,7 @@ export default {
     custom: 'Custom',
     pagePreview: 'Page Preview',
     default: 'Default',
-    restoreDefaults: 'Reset to default',
+    restoreDefaults: 'Restore Defaults',
     orange: 'Orange',
     green: 'Green',
     purple: 'Purple',
@@ -119,12 +119,12 @@ export default {
     websiteName: 'Website Name',
     websiteNamePlaceholder: 'Please enter the website name',
     websiteNameTip: 'The platform name displayed in the web page tab',
-    websiteSlogan: 'Welcome Message',
-    websiteSloganPlaceholder: 'Please enter the welcome message',
-    websiteSloganTip: 'The welcome message below the product logo',
+    websiteSlogan: 'Welcome Slogan',
+    websiteSloganPlaceholder: 'Please enter the welcome slogan',
+    websiteSloganTip: 'The welcome slogan below the product logo',
     defaultSlogan: 'Ready-to-use, flexible RAG Chatbot',
-    defaultTip: 'Default is the MaxKB platform interface, supports custom settings',
-    logoDefaultTip: 'Default is the MaxKB login interface, supports custom settings',
+    defaultTip: 'The default is the MaxKB platform interface, supports custom settings',
+    logoDefaultTip: 'The default is the MaxKB login interface, supports custom settings',
     platformSetting: 'Platform Settings',
     showUserManual: 'Show User Manual',
     showForum: 'Show Forum Support',