diff --git a/lib/generated/intl/messages_en.dart b/lib/generated/intl/messages_en.dart
index 67255d2..62a72ef 100644
--- a/lib/generated/intl/messages_en.dart
+++ b/lib/generated/intl/messages_en.dart
@@ -23,33 +23,51 @@ class MessageLookup extends MessageLookupByLibrary {
 
   static m1(count) => "${Intl.plural(count, zero: '', one: '${count} episode added to playlist', other: '${count} episodes added to playlist')}";
 
-  static m2(host) => "Hosted on ${host}";
+  static m2(count) => "${Intl.plural(count, zero: 'Today', one: '${count} day ago', other: '${count} days ago')}";
 
-  static m3(count) => "${Intl.plural(count, zero: '', one: '${count} hour', other: '${count} hours')}";
+  static m3(count) => "${Intl.plural(count, zero: 'Never', one: '${count} day', other: '${count} days')}";
 
-  static m4(count) => "${Intl.plural(count, zero: '', one: '${count} min', other: '${count} mins')}";
+  static m4(time) => "From ${time}";
 
-  static m5(title) => "Fetch data ${title}";
+  static m5(count) => "${Intl.plural(count, zero: 'Group', one: 'Group', other: 'Groups')}";
 
-  static m6(title) => "Subscribe failed, network error ${title}";
+  static m6(host) => "Hosted on ${host}";
 
-  static m7(title) => "Subscribe ${title}";
+  static m7(count) => "${Intl.plural(count, zero: '', one: '${count} hour ago', other: '${count} hours ago')}";
 
-  static m8(title) => "Subscribe failed, podcast existed ${title}";
+  static m8(count) => "${Intl.plural(count, zero: '', one: '${count} hour', other: '${count} hours')}";
 
-  static m9(title) => "Subscribe success ${title}";
+  static m9(count) => "${Intl.plural(count, zero: '', one: '${count} minute ago', other: '${count} minutes ago')}";
 
-  static m10(title) => "Update ${title}";
+  static m10(count) => "${Intl.plural(count, zero: '', one: '${count} min', other: '${count} mins')}";
 
-  static m11(title) => "Update error ${title}";
+  static m11(title) => "Fetch data ${title}";
 
-  static m12(time) => "Last time ${time}";
+  static m12(title) => "Subscribe failed, network error ${title}";
 
-  static m13(time) => "${time} Left";
+  static m13(title) => "Subscribe ${title}";
 
-  static m14(count) => "${Intl.plural(count, zero: 'No Update', one: 'Updated ${count} Episode', other: 'Updated ${count} Episodes')}";
+  static m14(title) => "Subscribe failed, podcast existed ${title}";
 
-  static m15(version) => "Version : ${version}";
+  static m15(title) => "Subscribe success ${title}";
+
+  static m16(title) => "Update ${title}";
+
+  static m17(title) => "Update error ${title}";
+
+  static m18(date) => "Removed at ${date}";
+
+  static m19(count) => "${Intl.plural(count, zero: '', one: '${count} second ago', other: '${count} seconds ago')}";
+
+  static m20(time) => "Last time ${time}";
+
+  static m21(time) => "${time} Left";
+
+  static m22(time) => "To ${time}";
+
+  static m23(count) => "${Intl.plural(count, zero: 'No update', one: 'Updated ${count} episode', other: 'Updated ${count} episodes')}";
+
+  static m24(version) => "Version : ${version}";
 
   final messages = _notInlinedMessages(_notInlinedMessages);
   static _notInlinedMessages(_) => <String, Function> {
@@ -59,6 +77,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "addNewEpisodeTooltip" : MessageLookupByLibrary.simpleMessage("Add new episodes to playlist"),
     "addSomeGroups" : MessageLookupByLibrary.simpleMessage("Add some groups"),
     "all" : MessageLookupByLibrary.simpleMessage("All"),
+    "autoDownload" : MessageLookupByLibrary.simpleMessage("Auto download"),
     "back" : MessageLookupByLibrary.simpleMessage("Back"),
     "buffering" : MessageLookupByLibrary.simpleMessage("Buffering"),
     "cancel" : MessageLookupByLibrary.simpleMessage("CANCEL"),
@@ -69,16 +88,26 @@ class MessageLookup extends MessageLookupByLibrary {
     "color" : MessageLookupByLibrary.simpleMessage("color"),
     "confirm" : MessageLookupByLibrary.simpleMessage("CONFIRM"),
     "darkMode" : MessageLookupByLibrary.simpleMessage("Dark mode"),
+    "daysAgo" : m2,
+    "daysCount" : m3,
     "delete" : MessageLookupByLibrary.simpleMessage("Delete"),
     "developer" : MessageLookupByLibrary.simpleMessage("Developer"),
     "dismiss" : MessageLookupByLibrary.simpleMessage("Dismiss"),
+    "done" : MessageLookupByLibrary.simpleMessage("Done"),
     "download" : MessageLookupByLibrary.simpleMessage("Download"),
     "downloaded" : MessageLookupByLibrary.simpleMessage("Downloaded"),
-    "editName" : MessageLookupByLibrary.simpleMessage("Edit name"),
+    "editGroupName" : MessageLookupByLibrary.simpleMessage("Edit group name"),
     "endOfEpisode" : MessageLookupByLibrary.simpleMessage("End of Episode"),
+    "episode" : MessageLookupByLibrary.simpleMessage("Episode"),
+    "featureDiscoveryEditGroup" : MessageLookupByLibrary.simpleMessage("Tap to edit group"),
+    "featureDiscoveryEditGroupDes" : MessageLookupByLibrary.simpleMessage("You can change group name or delete group here, but home group can not be edited or deleted"),
     "featureDiscoveryEpisode" : MessageLookupByLibrary.simpleMessage("Episode view"),
     "featureDiscoveryEpisodeDes" : MessageLookupByLibrary.simpleMessage("You can long tap to play episode or add episode to playlist."),
     "featureDiscoveryEpisodeTitle" : MessageLookupByLibrary.simpleMessage("Long tap to play episode instantly"),
+    "featureDiscoveryGroup" : MessageLookupByLibrary.simpleMessage("Tap to add group"),
+    "featureDiscoveryGroupDes" : MessageLookupByLibrary.simpleMessage("Default group is home for new podcast, you can create new group and move podcast to new group, podcast can be added to multi-groups."),
+    "featureDiscoveryGroupPodcast" : MessageLookupByLibrary.simpleMessage("Long tap to reorder podcast"),
+    "featureDiscoveryGroupPodcastDes" : MessageLookupByLibrary.simpleMessage("You can tap to see more options, or long tap to reorder podcast in group."),
     "featureDiscoveryOMPL" : MessageLookupByLibrary.simpleMessage("Tap to import OMPL"),
     "featureDiscoveryOMPLDes" : MessageLookupByLibrary.simpleMessage("You can import OMPL file, open setting or refresh all podcast at once here."),
     "featureDiscoveryPlaylist" : MessageLookupByLibrary.simpleMessage("Tap to open playlist"),
@@ -92,23 +121,28 @@ class MessageLookup extends MessageLookupByLibrary {
     "feedbackGithub" : MessageLookupByLibrary.simpleMessage("Submit issue"),
     "feedbackPlay" : MessageLookupByLibrary.simpleMessage("Rate on Play"),
     "feedbackTelegram" : MessageLookupByLibrary.simpleMessage("Join group"),
-    "from" : MessageLookupByLibrary.simpleMessage("From"),
+    "fonts" : MessageLookupByLibrary.simpleMessage("Fonts"),
+    "from" : m4,
     "goodNight" : MessageLookupByLibrary.simpleMessage("Good Night"),
+    "groupExisted" : MessageLookupByLibrary.simpleMessage("Group existed"),
     "groupFilter" : MessageLookupByLibrary.simpleMessage("Group filter"),
-    "groups" : MessageLookupByLibrary.simpleMessage("Groups"),
+    "groupRemoveConfirm" : MessageLookupByLibrary.simpleMessage("Are you sure you want to delete this group? Podcasts will be moved to Home group."),
+    "groups" : m5,
     "homeGroupsSeeAll" : MessageLookupByLibrary.simpleMessage("See All"),
     "homeMenuPlaylist" : MessageLookupByLibrary.simpleMessage("Playlist"),
-    "homeSubMenuLikeData" : MessageLookupByLibrary.simpleMessage("Like Date"),
     "homeSubMenuSortBy" : MessageLookupByLibrary.simpleMessage("Sort by"),
-    "homeSubMenuUpdateDate" : MessageLookupByLibrary.simpleMessage("Update Date"),
     "homeTabMenuFavotite" : MessageLookupByLibrary.simpleMessage("Favorite"),
     "homeTabMenuRecent" : MessageLookupByLibrary.simpleMessage("Recent"),
     "homeToprightMenuAbout" : MessageLookupByLibrary.simpleMessage("About"),
     "homeToprightMenuImportOMPL" : MessageLookupByLibrary.simpleMessage("Import OMPL"),
     "homeToprightMenuRefreshAll" : MessageLookupByLibrary.simpleMessage("Refresh all"),
     "homeToprightMenuSettings" : MessageLookupByLibrary.simpleMessage("Settings"),
-    "hostedOn" : m2,
-    "hoursCount" : m3,
+    "hostedOn" : m6,
+    "hoursAgo" : m7,
+    "hoursCount" : m8,
+    "introFourthPage" : MessageLookupByLibrary.simpleMessage("Long press on episode card for quick actions."),
+    "introSecondPage" : MessageLookupByLibrary.simpleMessage("Subscribe podcast via search or import OMPL file."),
+    "introThirdPage" : MessageLookupByLibrary.simpleMessage("You can create new group for podcasts, swipe on podcast list to change group."),
     "later" : MessageLookupByLibrary.simpleMessage("Later"),
     "lightMode" : MessageLookupByLibrary.simpleMessage("Light mode"),
     "like" : MessageLookupByLibrary.simpleMessage("Like"),
@@ -117,6 +151,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "listen" : MessageLookupByLibrary.simpleMessage("Listen"),
     "listened" : MessageLookupByLibrary.simpleMessage("Listened"),
     "loadMore" : MessageLookupByLibrary.simpleMessage("Load more"),
+    "mark" : MessageLookupByLibrary.simpleMessage("Mark"),
     "markConfirm" : MessageLookupByLibrary.simpleMessage("Mark confirm"),
     "markConfirmContent" : MessageLookupByLibrary.simpleMessage("Confirm mark all episodes listened?"),
     "markListened" : MessageLookupByLibrary.simpleMessage("Mark listened"),
@@ -125,24 +160,28 @@ class MessageLookup extends MessageLookupByLibrary {
     "menuMarkAllListened" : MessageLookupByLibrary.simpleMessage("Mark All Listened"),
     "menuViewRSS" : MessageLookupByLibrary.simpleMessage("Visit RSS Feed"),
     "menuVisitSite" : MessageLookupByLibrary.simpleMessage("Visit Site"),
-    "minsCount" : m4,
+    "minsAgo" : m9,
+    "minsCount" : m10,
     "network" : MessageLookupByLibrary.simpleMessage("Network"),
     "newGroup" : MessageLookupByLibrary.simpleMessage("Create new group"),
     "newestFirst" : MessageLookupByLibrary.simpleMessage("Newest first"),
+    "next" : MessageLookupByLibrary.simpleMessage("Next"),
     "noEpisodeDownload" : MessageLookupByLibrary.simpleMessage("No episode downloaded yet"),
     "noEpisodeFavorite" : MessageLookupByLibrary.simpleMessage("No episode collected yet"),
     "noEpisodeRecent" : MessageLookupByLibrary.simpleMessage("No episode received yet"),
     "noPodcastGroup" : MessageLookupByLibrary.simpleMessage("No podcast in this group"),
-    "notificaitonFatch" : m5,
-    "notificationNetworkError" : m6,
-    "notificationSubscribe" : m7,
-    "notificationSubscribeExisted" : m8,
-    "notificationSuccess" : m9,
-    "notificationUpdate" : m10,
-    "notificationUpdateError" : m11,
+    "notificaitonFatch" : m11,
+    "notificationNetworkError" : m12,
+    "notificationSubscribe" : m13,
+    "notificationSubscribeExisted" : m14,
+    "notificationSuccess" : m15,
+    "notificationUpdate" : m16,
+    "notificationUpdateError" : m17,
     "oldestFirst" : MessageLookupByLibrary.simpleMessage("Oldest first"),
     "play" : MessageLookupByLibrary.simpleMessage("Play"),
     "playing" : MessageLookupByLibrary.simpleMessage("Playing"),
+    "plugins" : MessageLookupByLibrary.simpleMessage("Plugins"),
+    "podcast" : MessageLookupByLibrary.simpleMessage("Podcast"),
     "podcastSubscribed" : MessageLookupByLibrary.simpleMessage("Podcast subscribed"),
     "popupMenuDownloadDes" : MessageLookupByLibrary.simpleMessage("Download episode"),
     "popupMenuLaterDes" : MessageLookupByLibrary.simpleMessage("Add episode to playlist"),
@@ -150,10 +189,15 @@ class MessageLookup extends MessageLookupByLibrary {
     "popupMenuMarkDes" : MessageLookupByLibrary.simpleMessage("Mark episode as listened"),
     "popupMenuPlayDes" : MessageLookupByLibrary.simpleMessage("Play the episode"),
     "privacyPolicy" : MessageLookupByLibrary.simpleMessage("Privacy Policy"),
+    "recoverSubscribe" : MessageLookupByLibrary.simpleMessage("Recover subscribe"),
     "remove" : MessageLookupByLibrary.simpleMessage("Remove"),
+    "removeConfirm" : MessageLookupByLibrary.simpleMessage("Remove confirm"),
+    "removePodcastDes" : MessageLookupByLibrary.simpleMessage("Are you sure you want to unsubscribe?"),
+    "removedAt" : m18,
     "schedule" : MessageLookupByLibrary.simpleMessage("Schedule"),
     "searchInvalidRss" : MessageLookupByLibrary.simpleMessage("Invalid RSS link"),
     "searchPodcast" : MessageLookupByLibrary.simpleMessage("Search podcast"),
+    "secondsAgo" : m19,
     "settingStorage" : MessageLookupByLibrary.simpleMessage("Storage"),
     "settingsAccentColor" : MessageLookupByLibrary.simpleMessage("Accent color"),
     "settingsAccentColorDes" : MessageLookupByLibrary.simpleMessage("Include the ovelay color"),
@@ -176,7 +220,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "settingsExport" : MessageLookupByLibrary.simpleMessage("Export"),
     "settingsExportDes" : MessageLookupByLibrary.simpleMessage("Export OMPL file of all podcasts"),
     "settingsFeedback" : MessageLookupByLibrary.simpleMessage("Feedback"),
-    "settingsFeedbackDes" : MessageLookupByLibrary.simpleMessage("Bugs and feature request"),
+    "settingsFeedbackDes" : MessageLookupByLibrary.simpleMessage("Bugs and features request"),
     "settingsHistory" : MessageLookupByLibrary.simpleMessage("History"),
     "settingsHistoryDes" : MessageLookupByLibrary.simpleMessage("Listen date"),
     "settingsInfo" : MessageLookupByLibrary.simpleMessage("Info"),
@@ -210,24 +254,33 @@ class MessageLookup extends MessageLookupByLibrary {
     "settingsUpdateInterval" : MessageLookupByLibrary.simpleMessage("Update interval"),
     "settingsUpdateIntervalDes" : MessageLookupByLibrary.simpleMessage("Default 24 hours"),
     "size" : MessageLookupByLibrary.simpleMessage("Size"),
+    "skipSecondsAtStart" : MessageLookupByLibrary.simpleMessage("Skip seconds at start"),
     "sleepTimer" : MessageLookupByLibrary.simpleMessage("Sleep timer"),
     "subscribe" : MessageLookupByLibrary.simpleMessage("Subscribe"),
     "systemDefault" : MessageLookupByLibrary.simpleMessage("System default"),
-    "timeLastPlayed" : m12,
-    "timeLeft" : m13,
-    "to" : MessageLookupByLibrary.simpleMessage("To"),
+    "timeLastPlayed" : m20,
+    "timeLeft" : m21,
+    "to" : m22,
     "toastAddPlaylist" : MessageLookupByLibrary.simpleMessage("Added to playlist"),
-    "toastDescovery" : MessageLookupByLibrary.simpleMessage("Discovery feature reopened, pleast restart the app"),
-    "toastFileError" : MessageLookupByLibrary.simpleMessage("File error, Subscribe failed"),
-    "toastFileNotVilid" : MessageLookupByLibrary.simpleMessage("File not vilid"),
+    "toastDiscovery" : MessageLookupByLibrary.simpleMessage("Discovery feature reopened, pleast restart the app"),
+    "toastFileError" : MessageLookupByLibrary.simpleMessage("File error, subscribe failed"),
+    "toastFileNotValid" : MessageLookupByLibrary.simpleMessage("File not valid"),
+    "toastHomeGroupNotSupport" : MessageLookupByLibrary.simpleMessage("Home group is not supported"),
+    "toastOneGroup" : MessageLookupByLibrary.simpleMessage("At least select one group"),
+    "toastPodcastRecovering" : MessageLookupByLibrary.simpleMessage("Recovering, wait for a moment"),
     "toastReadFile" : MessageLookupByLibrary.simpleMessage("Read file successfully"),
-    "toastRemovePlaylist" : MessageLookupByLibrary.simpleMessage("Removed from playlist"),
+    "toastRecoverFailed" : MessageLookupByLibrary.simpleMessage("Podcast recover failed"),
+    "toastRemovePlaylist" : MessageLookupByLibrary.simpleMessage("Episode removed from playlist"),
+    "toastSettingSaved" : MessageLookupByLibrary.simpleMessage("Setting saved"),
+    "toastTimeEqualEnd" : MessageLookupByLibrary.simpleMessage("Time is equal to end time"),
+    "toastTimeEqualStart" : MessageLookupByLibrary.simpleMessage("Time is equal to start time"),
     "understood" : MessageLookupByLibrary.simpleMessage("Understood"),
+    "undo" : MessageLookupByLibrary.simpleMessage("UNDO"),
     "unlike" : MessageLookupByLibrary.simpleMessage("Unlike"),
-    "unliked" : MessageLookupByLibrary.simpleMessage("Removed from favorite"),
+    "unliked" : MessageLookupByLibrary.simpleMessage("Episode removed from favorite"),
     "updateDate" : MessageLookupByLibrary.simpleMessage("Update date"),
-    "updateEpisodesCount" : m14,
+    "updateEpisodesCount" : m23,
     "updateFailed" : MessageLookupByLibrary.simpleMessage("Update failed, network error"),
-    "version" : m15
+    "version" : m24
   };
 }
diff --git a/lib/generated/intl/messages_zh-Hans.dart b/lib/generated/intl/messages_zh-Hans.dart
index 5f95c0b..0f71b27 100644
--- a/lib/generated/intl/messages_zh-Hans.dart
+++ b/lib/generated/intl/messages_zh-Hans.dart
@@ -23,33 +23,51 @@ class MessageLookup extends MessageLookupByLibrary {
 
   static m1(count) => "${Intl.plural(count, zero: '', other: '${count}集节目添加到播放列表')}";
 
-  static m2(host) => "平台 ${host}";
+  static m2(count) => "${Intl.plural(count, zero: '今天', other: '${count}天前')}";
 
-  static m3(count) => "${Intl.plural(count, zero: '', other: '${count} 小时')}";
+  static m3(count) => "${Intl.plural(count, zero: '从不', other: '${count}天')}";
 
-  static m4(count) => "${Intl.plural(count, zero: '', other: '${count}分钟')}";
+  static m4(time) => "自${time}";
 
-  static m5(title) => "获取数据 ${title}";
+  static m5(count) => "${Intl.plural(count, zero: '分组', other: '分组')}";
 
-  static m6(title) => "订阅失败，网络错误 ${title}";
+  static m6(host) => "平台 ${host}";
 
-  static m7(title) => "订阅${title}";
+  static m7(count) => "${Intl.plural(count, zero: '', other: '${count}小时前')}";
 
-  static m8(title) => "订阅失败，播客已存在 ${title}";
+  static m8(count) => "${Intl.plural(count, zero: '', other: '${count} 小时')}";
 
-  static m9(title) => "订阅成功 ${title}";
+  static m9(count) => "${Intl.plural(count, zero: '', other: '${count}分钟前')}";
 
-  static m10(title) => "更新 ${title}";
+  static m10(count) => "${Intl.plural(count, zero: '', other: '${count}分钟')}";
 
-  static m11(title) => "更新失败 ${title}";
+  static m11(title) => "获取数据 ${title}";
 
-  static m12(time) => "上次播放${time}";
+  static m12(title) => "订阅失败，网络错误 ${title}";
 
-  static m13(time) => "剩余 ${time}";
+  static m13(title) => "订阅${title}";
 
-  static m14(count) => "${Intl.plural(count, zero: '未有更新', other: '更新 ${count} 集节目')}";
+  static m14(title) => "订阅失败，播客已存在 ${title}";
 
-  static m15(version) => "版本：${version}";
+  static m15(title) => "订阅成功 ${title}";
+
+  static m16(title) => "更新 ${title}";
+
+  static m17(title) => "更新失败 ${title}";
+
+  static m18(date) => "${date}移除";
+
+  static m19(count) => "${Intl.plural(count, zero: '', other: '${count}秒前')}";
+
+  static m20(time) => "上次播放${time}";
+
+  static m21(time) => "剩余 ${time}";
+
+  static m22(time) => "到${time}";
+
+  static m23(count) => "${Intl.plural(count, zero: '未有更新', other: '更新 ${count} 集节目')}";
+
+  static m24(version) => "版本：${version}";
 
   final messages = _notInlinedMessages(_notInlinedMessages);
   static _notInlinedMessages(_) => <String, Function> {
@@ -59,6 +77,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "addNewEpisodeTooltip" : MessageLookupByLibrary.simpleMessage("添加更新节目到播放列表"),
     "addSomeGroups" : MessageLookupByLibrary.simpleMessage("请添加分组"),
     "all" : MessageLookupByLibrary.simpleMessage("全部"),
+    "autoDownload" : MessageLookupByLibrary.simpleMessage("自动下载"),
     "back" : MessageLookupByLibrary.simpleMessage("返回"),
     "buffering" : MessageLookupByLibrary.simpleMessage("缓冲"),
     "cancel" : MessageLookupByLibrary.simpleMessage("取消"),
@@ -69,16 +88,26 @@ class MessageLookup extends MessageLookupByLibrary {
     "color" : MessageLookupByLibrary.simpleMessage("颜色"),
     "confirm" : MessageLookupByLibrary.simpleMessage("确认"),
     "darkMode" : MessageLookupByLibrary.simpleMessage("夜晚模式"),
+    "daysAgo" : m2,
+    "daysCount" : m3,
     "delete" : MessageLookupByLibrary.simpleMessage("删除"),
     "developer" : MessageLookupByLibrary.simpleMessage("关于我"),
     "dismiss" : MessageLookupByLibrary.simpleMessage("忽略"),
+    "done" : MessageLookupByLibrary.simpleMessage("完成"),
     "download" : MessageLookupByLibrary.simpleMessage("下载"),
     "downloaded" : MessageLookupByLibrary.simpleMessage("已下载"),
-    "editName" : MessageLookupByLibrary.simpleMessage("修改组名"),
+    "editGroupName" : MessageLookupByLibrary.simpleMessage("修改组名"),
     "endOfEpisode" : MessageLookupByLibrary.simpleMessage("节目结束"),
+    "episode" : MessageLookupByLibrary.simpleMessage("节目"),
+    "featureDiscoveryEditGroup" : MessageLookupByLibrary.simpleMessage("点击修改分组"),
+    "featureDiscoveryEditGroupDes" : MessageLookupByLibrary.simpleMessage("您可以修改分组名或者删除分组，注意 Home 分组无法修改，也不能被删除。"),
     "featureDiscoveryEpisode" : MessageLookupByLibrary.simpleMessage("节目界面"),
     "featureDiscoveryEpisodeDes" : MessageLookupByLibrary.simpleMessage("您可以长按播放节目或者添加节目到播放列表。"),
     "featureDiscoveryEpisodeTitle" : MessageLookupByLibrary.simpleMessage("您可以长按快速播放节目"),
+    "featureDiscoveryGroup" : MessageLookupByLibrary.simpleMessage("点击添加分组"),
+    "featureDiscoveryGroupDes" : MessageLookupByLibrary.simpleMessage("新订阅播客默认分组为 Home，您可以添加新的分组，移动播客到新的分组，每个播客可以被添加到多个分组。"),
+    "featureDiscoveryGroupPodcast" : MessageLookupByLibrary.simpleMessage("长按可以移动播客位置"),
+    "featureDiscoveryGroupPodcastDes" : MessageLookupByLibrary.simpleMessage("您可以点击对播客进行设置，或者长按重新排序。"),
     "featureDiscoveryOMPL" : MessageLookupByLibrary.simpleMessage("点击导入 OMPL"),
     "featureDiscoveryOMPLDes" : MessageLookupByLibrary.simpleMessage("在这里您可以导入OMPL文件，打开设置页面，或者刷新所有播客。"),
     "featureDiscoveryPlaylist" : MessageLookupByLibrary.simpleMessage("点击打开播放列表"),
@@ -92,23 +121,28 @@ class MessageLookup extends MessageLookupByLibrary {
     "feedbackGithub" : MessageLookupByLibrary.simpleMessage("提交Issue"),
     "feedbackPlay" : MessageLookupByLibrary.simpleMessage("Play评价"),
     "feedbackTelegram" : MessageLookupByLibrary.simpleMessage("加入小组"),
-    "from" : MessageLookupByLibrary.simpleMessage("自"),
+    "fonts" : MessageLookupByLibrary.simpleMessage("字体"),
+    "from" : m4,
     "goodNight" : MessageLookupByLibrary.simpleMessage("晚安"),
+    "groupExisted" : MessageLookupByLibrary.simpleMessage("组名已使用"),
     "groupFilter" : MessageLookupByLibrary.simpleMessage("分组"),
-    "groups" : MessageLookupByLibrary.simpleMessage("分组"),
+    "groupRemoveConfirm" : MessageLookupByLibrary.simpleMessage("您确认要移除该分组吗？播客将被移动到 Home 分组。"),
+    "groups" : m5,
     "homeGroupsSeeAll" : MessageLookupByLibrary.simpleMessage("查看全部"),
     "homeMenuPlaylist" : MessageLookupByLibrary.simpleMessage("播放列表"),
-    "homeSubMenuLikeData" : MessageLookupByLibrary.simpleMessage("添加日期"),
     "homeSubMenuSortBy" : MessageLookupByLibrary.simpleMessage("排序"),
-    "homeSubMenuUpdateDate" : MessageLookupByLibrary.simpleMessage("更新日期"),
     "homeTabMenuFavotite" : MessageLookupByLibrary.simpleMessage("收藏"),
     "homeTabMenuRecent" : MessageLookupByLibrary.simpleMessage("最近更新"),
     "homeToprightMenuAbout" : MessageLookupByLibrary.simpleMessage("关于"),
     "homeToprightMenuImportOMPL" : MessageLookupByLibrary.simpleMessage("导入OMPL"),
     "homeToprightMenuRefreshAll" : MessageLookupByLibrary.simpleMessage("全部刷新"),
     "homeToprightMenuSettings" : MessageLookupByLibrary.simpleMessage("设置"),
-    "hostedOn" : m2,
-    "hoursCount" : m3,
+    "hostedOn" : m6,
+    "hoursAgo" : m7,
+    "hoursCount" : m8,
+    "introFourthPage" : MessageLookupByLibrary.simpleMessage("长按节目打开快捷菜单。"),
+    "introSecondPage" : MessageLookupByLibrary.simpleMessage("您可以通过搜索订阅播客，也可以直接导入OMPL文件。"),
+    "introThirdPage" : MessageLookupByLibrary.simpleMessage("您可以创建分组，上下滑动切换分组。"),
     "later" : MessageLookupByLibrary.simpleMessage("稍后"),
     "lightMode" : MessageLookupByLibrary.simpleMessage("明亮模式"),
     "like" : MessageLookupByLibrary.simpleMessage("喜欢"),
@@ -117,6 +151,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "listen" : MessageLookupByLibrary.simpleMessage("收听"),
     "listened" : MessageLookupByLibrary.simpleMessage("已收听"),
     "loadMore" : MessageLookupByLibrary.simpleMessage("加载更多"),
+    "mark" : MessageLookupByLibrary.simpleMessage("标记"),
     "markConfirm" : MessageLookupByLibrary.simpleMessage("确认标记"),
     "markConfirmContent" : MessageLookupByLibrary.simpleMessage("是否确认标记全部节目为已收听？"),
     "markListened" : MessageLookupByLibrary.simpleMessage("标记已收听"),
@@ -125,24 +160,28 @@ class MessageLookup extends MessageLookupByLibrary {
     "menuMarkAllListened" : MessageLookupByLibrary.simpleMessage("标记所有已收听"),
     "menuViewRSS" : MessageLookupByLibrary.simpleMessage("查看 RSS"),
     "menuVisitSite" : MessageLookupByLibrary.simpleMessage("访问网站"),
-    "minsCount" : m4,
+    "minsAgo" : m9,
+    "minsCount" : m10,
     "network" : MessageLookupByLibrary.simpleMessage("网络"),
     "newGroup" : MessageLookupByLibrary.simpleMessage("创建分组"),
     "newestFirst" : MessageLookupByLibrary.simpleMessage("由新到旧"),
+    "next" : MessageLookupByLibrary.simpleMessage("下一步"),
     "noEpisodeDownload" : MessageLookupByLibrary.simpleMessage("暂无下载节目"),
     "noEpisodeFavorite" : MessageLookupByLibrary.simpleMessage("暂无收藏节目"),
     "noEpisodeRecent" : MessageLookupByLibrary.simpleMessage("暂无节目"),
     "noPodcastGroup" : MessageLookupByLibrary.simpleMessage("分组无播客"),
-    "notificaitonFatch" : m5,
-    "notificationNetworkError" : m6,
-    "notificationSubscribe" : m7,
-    "notificationSubscribeExisted" : m8,
-    "notificationSuccess" : m9,
-    "notificationUpdate" : m10,
-    "notificationUpdateError" : m11,
+    "notificaitonFatch" : m11,
+    "notificationNetworkError" : m12,
+    "notificationSubscribe" : m13,
+    "notificationSubscribeExisted" : m14,
+    "notificationSuccess" : m15,
+    "notificationUpdate" : m16,
+    "notificationUpdateError" : m17,
     "oldestFirst" : MessageLookupByLibrary.simpleMessage("由旧到新"),
     "play" : MessageLookupByLibrary.simpleMessage("播放"),
     "playing" : MessageLookupByLibrary.simpleMessage("正在播放"),
+    "plugins" : MessageLookupByLibrary.simpleMessage("插件"),
+    "podcast" : MessageLookupByLibrary.simpleMessage("播客"),
     "podcastSubscribed" : MessageLookupByLibrary.simpleMessage("播客已订阅"),
     "popupMenuDownloadDes" : MessageLookupByLibrary.simpleMessage("下载节目"),
     "popupMenuLaterDes" : MessageLookupByLibrary.simpleMessage("添加到播放列表"),
@@ -150,10 +189,15 @@ class MessageLookup extends MessageLookupByLibrary {
     "popupMenuMarkDes" : MessageLookupByLibrary.simpleMessage("设置为已收听"),
     "popupMenuPlayDes" : MessageLookupByLibrary.simpleMessage("播放节目"),
     "privacyPolicy" : MessageLookupByLibrary.simpleMessage("隐私条款"),
+    "recoverSubscribe" : MessageLookupByLibrary.simpleMessage("恢复订阅"),
     "remove" : MessageLookupByLibrary.simpleMessage("移除"),
+    "removeConfirm" : MessageLookupByLibrary.simpleMessage("取消订阅"),
+    "removePodcastDes" : MessageLookupByLibrary.simpleMessage("您确认要取消订阅吗？"),
+    "removedAt" : m18,
     "schedule" : MessageLookupByLibrary.simpleMessage("定时"),
     "searchInvalidRss" : MessageLookupByLibrary.simpleMessage("RSS 链接错误"),
     "searchPodcast" : MessageLookupByLibrary.simpleMessage("搜索播客"),
+    "secondsAgo" : m19,
     "settingStorage" : MessageLookupByLibrary.simpleMessage("储存空间"),
     "settingsAccentColor" : MessageLookupByLibrary.simpleMessage("次要颜色"),
     "settingsAccentColorDes" : MessageLookupByLibrary.simpleMessage("包括溢出颜色"),
@@ -184,7 +228,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "settingsLayout" : MessageLookupByLibrary.simpleMessage("布局"),
     "settingsLayoutDes" : MessageLookupByLibrary.simpleMessage("应用布局"),
     "settingsLibraries" : MessageLookupByLibrary.simpleMessage("开源"),
-    "settingsLibrariesDes" : MessageLookupByLibrary.simpleMessage("使用开源项目"),
+    "settingsLibrariesDes" : MessageLookupByLibrary.simpleMessage("开源项目使用"),
     "settingsManageDownload" : MessageLookupByLibrary.simpleMessage("下载管理"),
     "settingsManageDownloadDes" : MessageLookupByLibrary.simpleMessage("管理下载节目文件"),
     "settingsMenuAutoPlay" : MessageLookupByLibrary.simpleMessage("自动播放下一节目"),
@@ -196,7 +240,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "settingsPopupMenu" : MessageLookupByLibrary.simpleMessage("节目弹出菜单"),
     "settingsPopupMenuDes" : MessageLookupByLibrary.simpleMessage("修改节目弹出菜单"),
     "settingsPrefrence" : MessageLookupByLibrary.simpleMessage("首选项"),
-    "settingsRealDark" : MessageLookupByLibrary.simpleMessage("真的黑"),
+    "settingsRealDark" : MessageLookupByLibrary.simpleMessage("极黑"),
     "settingsRealDarkDes" : MessageLookupByLibrary.simpleMessage("如果夜不够黑，请开启"),
     "settingsSTAuto" : MessageLookupByLibrary.simpleMessage("自动睡眠模式"),
     "settingsSTAutoDes" : MessageLookupByLibrary.simpleMessage("定期开启睡眠模式"),
@@ -210,24 +254,33 @@ class MessageLookup extends MessageLookupByLibrary {
     "settingsUpdateInterval" : MessageLookupByLibrary.simpleMessage("更新频率"),
     "settingsUpdateIntervalDes" : MessageLookupByLibrary.simpleMessage("默认 24 小时"),
     "size" : MessageLookupByLibrary.simpleMessage("大小"),
+    "skipSecondsAtStart" : MessageLookupByLibrary.simpleMessage("开头跳过秒数"),
     "sleepTimer" : MessageLookupByLibrary.simpleMessage("睡眠模式"),
     "subscribe" : MessageLookupByLibrary.simpleMessage("订阅"),
     "systemDefault" : MessageLookupByLibrary.simpleMessage("系统默认"),
-    "timeLastPlayed" : m12,
-    "timeLeft" : m13,
-    "to" : MessageLookupByLibrary.simpleMessage("到"),
+    "timeLastPlayed" : m20,
+    "timeLeft" : m21,
+    "to" : m22,
     "toastAddPlaylist" : MessageLookupByLibrary.simpleMessage("添加到播放列表"),
-    "toastDescovery" : MessageLookupByLibrary.simpleMessage("重启应用后可查看"),
+    "toastDiscovery" : MessageLookupByLibrary.simpleMessage("重启应用后可查看"),
     "toastFileError" : MessageLookupByLibrary.simpleMessage("文件错误，导入失败"),
-    "toastFileNotVilid" : MessageLookupByLibrary.simpleMessage("文件错误"),
+    "toastFileNotValid" : MessageLookupByLibrary.simpleMessage("文件错误"),
+    "toastHomeGroupNotSupport" : MessageLookupByLibrary.simpleMessage("Home 分组不支持此功能"),
+    "toastOneGroup" : MessageLookupByLibrary.simpleMessage("请至少选择一个分组"),
+    "toastPodcastRecovering" : MessageLookupByLibrary.simpleMessage("恢复中，请稍后"),
     "toastReadFile" : MessageLookupByLibrary.simpleMessage("读取文件成功"),
+    "toastRecoverFailed" : MessageLookupByLibrary.simpleMessage("恢复订阅失败"),
     "toastRemovePlaylist" : MessageLookupByLibrary.simpleMessage("从播放列表移除"),
+    "toastSettingSaved" : MessageLookupByLibrary.simpleMessage("设置已保存"),
+    "toastTimeEqualEnd" : MessageLookupByLibrary.simpleMessage("与结束时间相同"),
+    "toastTimeEqualStart" : MessageLookupByLibrary.simpleMessage("与起始时间相同"),
     "understood" : MessageLookupByLibrary.simpleMessage("了解"),
+    "undo" : MessageLookupByLibrary.simpleMessage("撤销"),
     "unlike" : MessageLookupByLibrary.simpleMessage("取消喜欢"),
     "unliked" : MessageLookupByLibrary.simpleMessage("从收藏移除"),
     "updateDate" : MessageLookupByLibrary.simpleMessage("更新日期"),
-    "updateEpisodesCount" : m14,
+    "updateEpisodesCount" : m23,
     "updateFailed" : MessageLookupByLibrary.simpleMessage("更新失败"),
-    "version" : m15
+    "version" : m24
   };
 }
diff --git a/lib/generated/l10n.dart b/lib/generated/l10n.dart
index 643066f..1fb3ac3 100644
--- a/lib/generated/l10n.dart
+++ b/lib/generated/l10n.dart
@@ -99,6 +99,16 @@ class S {
     );
   }
 
+  /// `Auto download`
+  String get autoDownload {
+    return Intl.message(
+      'Auto download',
+      name: 'autoDownload',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Back`
   String get back {
     return Intl.message(
@@ -199,6 +209,32 @@ class S {
     );
   }
 
+  /// `{count, plural, zero{Today} one{{count} day ago} other{{count} days ago}}`
+  String daysAgo(num count) {
+    return Intl.plural(
+      count,
+      zero: 'Today',
+      one: '$count day ago',
+      other: '$count days ago',
+      name: 'daysAgo',
+      desc: '',
+      args: [count],
+    );
+  }
+
+  /// `{count, plural, zero{Never} one{{count} day} other{{count} days}}`
+  String daysCount(num count) {
+    return Intl.plural(
+      count,
+      zero: 'Never',
+      one: '$count day',
+      other: '$count days',
+      name: 'daysCount',
+      desc: '',
+      args: [count],
+    );
+  }
+
   /// `Delete`
   String get delete {
     return Intl.message(
@@ -214,7 +250,7 @@ class S {
     return Intl.message(
       'Developer',
       name: 'developer',
-      desc: '',
+      desc: 'Can also translate to About me',
       args: [],
     );
   }
@@ -229,6 +265,16 @@ class S {
     );
   }
 
+  /// `Done`
+  String get done {
+    return Intl.message(
+      'Done',
+      name: 'done',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Download`
   String get download {
     return Intl.message(
@@ -249,11 +295,11 @@ class S {
     );
   }
 
-  /// `Edit name`
-  String get editName {
+  /// `Edit group name`
+  String get editGroupName {
     return Intl.message(
-      'Edit name',
-      name: 'editName',
+      'Edit group name',
+      name: 'editGroupName',
       desc: '',
       args: [],
     );
@@ -269,6 +315,36 @@ class S {
     );
   }
 
+  /// `Episode`
+  String get episode {
+    return Intl.message(
+      'Episode',
+      name: 'episode',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Tap to edit group`
+  String get featureDiscoveryEditGroup {
+    return Intl.message(
+      'Tap to edit group',
+      name: 'featureDiscoveryEditGroup',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `You can change group name or delete group here, but home group can not be edited or deleted`
+  String get featureDiscoveryEditGroupDes {
+    return Intl.message(
+      'You can change group name or delete group here, but home group can not be edited or deleted',
+      name: 'featureDiscoveryEditGroupDes',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Episode view`
   String get featureDiscoveryEpisode {
     return Intl.message(
@@ -299,6 +375,46 @@ class S {
     );
   }
 
+  /// `Tap to add group`
+  String get featureDiscoveryGroup {
+    return Intl.message(
+      'Tap to add group',
+      name: 'featureDiscoveryGroup',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Default group is home for new podcast, you can create new group and move podcast to new group, podcast can be added to multi-groups.`
+  String get featureDiscoveryGroupDes {
+    return Intl.message(
+      'Default group is home for new podcast, you can create new group and move podcast to new group, podcast can be added to multi-groups.',
+      name: 'featureDiscoveryGroupDes',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Long tap to reorder podcast`
+  String get featureDiscoveryGroupPodcast {
+    return Intl.message(
+      'Long tap to reorder podcast',
+      name: 'featureDiscoveryGroupPodcast',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `You can tap to see more options, or long tap to reorder podcast in group.`
+  String get featureDiscoveryGroupPodcastDes {
+    return Intl.message(
+      'You can tap to see more options, or long tap to reorder podcast in group.',
+      name: 'featureDiscoveryGroupPodcastDes',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Tap to import OMPL`
   String get featureDiscoveryOMPL {
     return Intl.message(
@@ -429,16 +545,26 @@ class S {
     );
   }
 
-  /// `From`
-  String get from {
+  /// `Fonts`
+  String get fonts {
     return Intl.message(
-      'From',
-      name: 'from',
+      'Fonts',
+      name: 'fonts',
       desc: '',
       args: [],
     );
   }
 
+  /// `From {time}`
+  String from(Object time) {
+    return Intl.message(
+      'From $time',
+      name: 'from',
+      desc: '',
+      args: [time],
+    );
+  }
+
   /// `Good Night`
   String get goodNight {
     return Intl.message(
@@ -449,6 +575,16 @@ class S {
     );
   }
 
+  /// `Group existed`
+  String get groupExisted {
+    return Intl.message(
+      'Group existed',
+      name: 'groupExisted',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Group filter`
   String get groupFilter {
     return Intl.message(
@@ -459,16 +595,29 @@ class S {
     );
   }
 
-  /// `Groups`
-  String get groups {
+  /// `Are you sure you want to delete this group? Podcasts will be moved to Home group.`
+  String get groupRemoveConfirm {
     return Intl.message(
-      'Groups',
-      name: 'groups',
+      'Are you sure you want to delete this group? Podcasts will be moved to Home group.',
+      name: 'groupRemoveConfirm',
       desc: '',
       args: [],
     );
   }
 
+  /// `{count, plural, zero{Group} one{Group} other{Groups}}`
+  String groups(num count) {
+    return Intl.plural(
+      count,
+      zero: 'Group',
+      one: 'Group',
+      other: 'Groups',
+      name: 'groups',
+      desc: '',
+      args: [count],
+    );
+  }
+
   /// `See All`
   String get homeGroupsSeeAll {
     return Intl.message(
@@ -489,16 +638,6 @@ class S {
     );
   }
 
-  /// `Like Date`
-  String get homeSubMenuLikeData {
-    return Intl.message(
-      'Like Date',
-      name: 'homeSubMenuLikeData',
-      desc: '',
-      args: [],
-    );
-  }
-
   /// `Sort by`
   String get homeSubMenuSortBy {
     return Intl.message(
@@ -509,16 +648,6 @@ class S {
     );
   }
 
-  /// `Update Date`
-  String get homeSubMenuUpdateDate {
-    return Intl.message(
-      'Update Date',
-      name: 'homeSubMenuUpdateDate',
-      desc: '',
-      args: [],
-    );
-  }
-
   /// `Favorite`
   String get homeTabMenuFavotite {
     return Intl.message(
@@ -589,6 +718,19 @@ class S {
     );
   }
 
+  /// `{count, plural, zero{} one{{count} hour ago} other{{count} hours ago}}`
+  String hoursAgo(num count) {
+    return Intl.plural(
+      count,
+      zero: '',
+      one: '$count hour ago',
+      other: '$count hours ago',
+      name: 'hoursAgo',
+      desc: '',
+      args: [count],
+    );
+  }
+
   /// `{count, plural, zero{} one{{count} hour} other{{count} hours}}`
   String hoursCount(num count) {
     return Intl.plural(
@@ -602,6 +744,36 @@ class S {
     );
   }
 
+  /// `Long press on episode card for quick actions.`
+  String get introFourthPage {
+    return Intl.message(
+      'Long press on episode card for quick actions.',
+      name: 'introFourthPage',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Subscribe podcast via search or import OMPL file.`
+  String get introSecondPage {
+    return Intl.message(
+      'Subscribe podcast via search or import OMPL file.',
+      name: 'introSecondPage',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `You can create new group for podcasts, swipe on podcast list to change group.`
+  String get introThirdPage {
+    return Intl.message(
+      'You can create new group for podcasts, swipe on podcast list to change group.',
+      name: 'introThirdPage',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Later`
   String get later {
     return Intl.message(
@@ -682,6 +854,16 @@ class S {
     );
   }
 
+  /// `Mark`
+  String get mark {
+    return Intl.message(
+      'Mark',
+      name: 'mark',
+      desc: 'The short the best',
+      args: [],
+    );
+  }
+
   /// `Mark confirm`
   String get markConfirm {
     return Intl.message(
@@ -762,6 +944,19 @@ class S {
     );
   }
 
+  /// `{count, plural, zero{} one{{count} minute ago} other{{count} minutes ago}}`
+  String minsAgo(num count) {
+    return Intl.plural(
+      count,
+      zero: '',
+      one: '$count minute ago',
+      other: '$count minutes ago',
+      name: 'minsAgo',
+      desc: '',
+      args: [count],
+    );
+  }
+
   /// `{count, plural, zero{} one{{count} min} other{{count} mins}}`
   String minsCount(num count) {
     return Intl.plural(
@@ -805,6 +1000,16 @@ class S {
     );
   }
 
+  /// `Next`
+  String get next {
+    return Intl.message(
+      'Next',
+      name: 'next',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `No episode downloaded yet`
   String get noEpisodeDownload {
     return Intl.message(
@@ -945,6 +1150,26 @@ class S {
     );
   }
 
+  /// `Plugins`
+  String get plugins {
+    return Intl.message(
+      'Plugins',
+      name: 'plugins',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Podcast`
+  String get podcast {
+    return Intl.message(
+      'Podcast',
+      name: 'podcast',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Podcast subscribed`
   String get podcastSubscribed {
     return Intl.message(
@@ -1015,6 +1240,16 @@ class S {
     );
   }
 
+  /// `Recover subscribe`
+  String get recoverSubscribe {
+    return Intl.message(
+      'Recover subscribe',
+      name: 'recoverSubscribe',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Remove`
   String get remove {
     return Intl.message(
@@ -1025,6 +1260,36 @@ class S {
     );
   }
 
+  /// `Remove confirm`
+  String get removeConfirm {
+    return Intl.message(
+      'Remove confirm',
+      name: 'removeConfirm',
+      desc: 'unsubscribe podcast dialog',
+      args: [],
+    );
+  }
+
+  /// `Removed at {date}`
+  String removedAt(Object date) {
+    return Intl.message(
+      'Removed at $date',
+      name: 'removedAt',
+      desc: 'For example ：Removed at 2020.10.10',
+      args: [date],
+    );
+  }
+
+  /// `Are you sure you want to unsubscribe?`
+  String get removePodcastDes {
+    return Intl.message(
+      'Are you sure you want to unsubscribe?',
+      name: 'removePodcastDes',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Schedule`
   String get schedule {
     return Intl.message(
@@ -1055,6 +1320,19 @@ class S {
     );
   }
 
+  /// `{count, plural, zero{} one{{count} second ago} other{{count} seconds ago}}`
+  String secondsAgo(num count) {
+    return Intl.plural(
+      count,
+      zero: '',
+      one: '$count second ago',
+      other: '$count seconds ago',
+      name: 'secondsAgo',
+      desc: '',
+      args: [count],
+    );
+  }
+
   /// `Accent color`
   String get settingsAccentColor {
     return Intl.message(
@@ -1265,10 +1543,10 @@ class S {
     );
   }
 
-  /// `Bugs and feature request`
+  /// `Bugs and features request`
   String get settingsFeedbackDes {
     return Intl.message(
-      'Bugs and feature request',
+      'Bugs and features request',
       name: 'settingsFeedbackDes',
       desc: '',
       args: [],
@@ -1615,6 +1893,16 @@ class S {
     );
   }
 
+  /// `Skip seconds at start`
+  String get skipSecondsAtStart {
+    return Intl.message(
+      'Skip seconds at start',
+      name: 'skipSecondsAtStart',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Sleep timer`
   String get sleepTimer {
     return Intl.message(
@@ -1665,13 +1953,13 @@ class S {
     );
   }
 
-  /// `To`
-  String get to {
+  /// `To {time}`
+  String to(Object time) {
     return Intl.message(
-      'To',
+      'To $time',
       name: 'to',
       desc: '',
-      args: [],
+      args: [time],
     );
   }
 
@@ -1686,35 +1974,65 @@ class S {
   }
 
   /// `Discovery feature reopened, pleast restart the app`
-  String get toastDescovery {
+  String get toastDiscovery {
     return Intl.message(
       'Discovery feature reopened, pleast restart the app',
-      name: 'toastDescovery',
+      name: 'toastDiscovery',
       desc: '',
       args: [],
     );
   }
 
-  /// `File error, Subscribe failed`
+  /// `File error, subscribe failed`
   String get toastFileError {
     return Intl.message(
-      'File error, Subscribe failed',
+      'File error, subscribe failed',
       name: 'toastFileError',
       desc: '',
       args: [],
     );
   }
 
-  /// `File not vilid`
-  String get toastFileNotVilid {
+  /// `File not valid`
+  String get toastFileNotValid {
     return Intl.message(
-      'File not vilid',
-      name: 'toastFileNotVilid',
+      'File not valid',
+      name: 'toastFileNotValid',
       desc: '',
       args: [],
     );
   }
 
+  /// `Home group is not supported`
+  String get toastHomeGroupNotSupport {
+    return Intl.message(
+      'Home group is not supported',
+      name: 'toastHomeGroupNotSupport',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `At least select one group`
+  String get toastOneGroup {
+    return Intl.message(
+      'At least select one group',
+      name: 'toastOneGroup',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Recovering, wait for a moment`
+  String get toastPodcastRecovering {
+    return Intl.message(
+      'Recovering, wait for a moment',
+      name: 'toastPodcastRecovering',
+      desc: 'Resubscribe removed podcast',
+      args: [],
+    );
+  }
+
   /// `Read file successfully`
   String get toastReadFile {
     return Intl.message(
@@ -1725,16 +2043,56 @@ class S {
     );
   }
 
-  /// `Removed from playlist`
+  /// `Podcast recover failed`
+  String get toastRecoverFailed {
+    return Intl.message(
+      'Podcast recover failed',
+      name: 'toastRecoverFailed',
+      desc: 'Resubscribe removed podast',
+      args: [],
+    );
+  }
+
+  /// `Episode removed from playlist`
   String get toastRemovePlaylist {
     return Intl.message(
-      'Removed from playlist',
+      'Episode removed from playlist',
       name: 'toastRemovePlaylist',
       desc: '',
       args: [],
     );
   }
 
+  /// `Setting saved`
+  String get toastSettingSaved {
+    return Intl.message(
+      'Setting saved',
+      name: 'toastSettingSaved',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Time is equal to end time`
+  String get toastTimeEqualEnd {
+    return Intl.message(
+      'Time is equal to end time',
+      name: 'toastTimeEqualEnd',
+      desc: '',
+      args: [],
+    );
+  }
+
+  /// `Time is equal to start time`
+  String get toastTimeEqualStart {
+    return Intl.message(
+      'Time is equal to start time',
+      name: 'toastTimeEqualStart',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Understood`
   String get understood {
     return Intl.message(
@@ -1745,6 +2103,16 @@ class S {
     );
   }
 
+  /// `UNDO`
+  String get undo {
+    return Intl.message(
+      'UNDO',
+      name: 'undo',
+      desc: '',
+      args: [],
+    );
+  }
+
   /// `Unlike`
   String get unlike {
     return Intl.message(
@@ -1755,10 +2123,10 @@ class S {
     );
   }
 
-  /// `Removed from favorite`
+  /// `Episode removed from favorite`
   String get unliked {
     return Intl.message(
-      'Removed from favorite',
+      'Episode removed from favorite',
       name: 'unliked',
       desc: '',
       args: [],
@@ -1775,13 +2143,13 @@ class S {
     );
   }
 
-  /// `{count, plural, zero{No Update} one{Updated {count} Episode} other{Updated {count} Episodes}}`
+  /// `{count, plural, zero{No update} one{Updated {count} episode} other{Updated {count} episodes}}`
   String updateEpisodesCount(num count) {
     return Intl.plural(
       count,
-      zero: 'No Update',
-      one: 'Updated $count Episode',
-      other: 'Updated $count Episodes',
+      zero: 'No update',
+      one: 'Updated $count episode',
+      other: 'Updated $count episodes',
       name: 'updateEpisodesCount',
       desc: '',
       args: [count],
diff --git a/lib/home/playlist.dart b/lib/home/playlist.dart
index ccd7f06..5706cc9 100644
--- a/lib/home/playlist.dart
+++ b/lib/home/playlist.dart
@@ -58,6 +58,7 @@ class _PlaylistPageState extends State<PlaylistPage> {
 
   @override
   Widget build(BuildContext context) {
+    final s = context.s;
     var audio = Provider.of<AudioPlayerNotifier>(context, listen: false);
     return AnnotatedRegion<SystemUiOverlayStyle>(
       value: SystemUiOverlayStyle(
@@ -69,7 +70,7 @@ class _PlaylistPageState extends State<PlaylistPage> {
       child: Scaffold(
         backgroundColor: Theme.of(context).primaryColor,
         appBar: AppBar(
-          title: _topHeight == 60 ? Text('Playlist') : Center(),
+          title: _topHeight == 60 ? Text(s.homeMenuPlaylist) : Center(),
           elevation: 0,
           backgroundColor: Theme.of(context).primaryColor,
         ),
@@ -98,7 +99,9 @@ class _PlaylistPageState extends State<PlaylistPage> {
                             alignment: Alignment.centerLeft,
                             child: RichText(
                               text: TextSpan(
-                                text: _topHeight > 90 ? 'Playlist\n' : '',
+                                text: _topHeight > 90
+                                    ? s.homeMenuPlaylist + '\n'
+                                    : '',
                                 style: TextStyle(
                                   color: Theme.of(context)
                                       .textTheme
@@ -311,6 +314,7 @@ class _DismissibleContainerState extends State<DismissibleContainer> {
   @override
   Widget build(BuildContext context) {
     var audio = Provider.of<AudioPlayerNotifier>(context, listen: false);
+    final s = context.s;
     Color _c = (Theme.of(context).brightness == Brightness.light)
         ? widget.episode.primaryColor.colorizedark()
         : widget.episode.primaryColor.colorizeLight();
@@ -363,17 +367,17 @@ class _DismissibleContainerState extends State<DismissibleContainer> {
                 int index = await audio.delFromPlaylist(widget.episode);
                 final episodeRemove = widget.episode;
                 Fluttertoast.showToast(
-                  msg: 'Removed From Playlist',
+                  msg: s.toastRemovePlaylist,
                   gravity: ToastGravity.BOTTOM,
                 );
                 Scaffold.of(context).showSnackBar(SnackBar(
                   behavior: SnackBarBehavior.floating,
                   backgroundColor: Colors.grey[800],
-                  content: Text('Episode removed',
+                  content: Text(s.toastRemovePlaylist,
                       style: TextStyle(color: Colors.white)),
                   action: SnackBarAction(
                       textColor: context.accentColor,
-                      label: 'Undo',
+                      label: s.undo,
                       onPressed: () {
                         audio.addToPlaylistAt(episodeRemove, index);
                       }),
@@ -421,8 +425,7 @@ class _DismissibleContainerState extends State<DismissibleContainer> {
                               : Center(),
                           widget.episode.duration != 0
                               ? _episodeTag(
-                                  (widget.episode.duration ~/ 60).toString() +
-                                      'min',
+                                  s.minsCount(widget.episode.duration ~/ 60),
                                   Colors.cyan[300])
                               : Center(),
                           widget.episode.enclosureLength != null
diff --git a/lib/home/popupmenu.dart b/lib/home/popupmenu.dart
index 28d8588..b4e75db 100644
--- a/lib/home/popupmenu.dart
+++ b/lib/home/popupmenu.dart
@@ -38,8 +38,9 @@ class PopupMenu extends StatefulWidget {
 }
 
 class _PopupMenuState extends State<PopupMenu> {
-  Future<String> _getRefreshDate() async {
+  Future<String> _getRefreshDate(BuildContext context) async {
     int refreshDate;
+    final s = context.s;
     KeyValueStorage refreshstorage = KeyValueStorage('refreshdate');
     int i = await refreshstorage.getInt();
     if (i == 0) {
@@ -50,17 +51,15 @@ class _PopupMenuState extends State<PopupMenu> {
       refreshDate = i;
     }
     DateTime date = DateTime.fromMillisecondsSinceEpoch(refreshDate);
-    var diffrence = DateTime.now().difference(date);
-    if (diffrence.inSeconds < 60) {
-      return '${diffrence.inSeconds} seconds ago';
-    } else if (diffrence.inMinutes < 10) {
-      return '${diffrence.inMinutes} minutes ago';
-    } else if (diffrence.inHours < 1) {
-      return 'an hour ago';
-    } else if (diffrence.inHours <= 24) {
-      return '${diffrence.inHours} hours ago';
-    } else if (diffrence.inDays < 7) {
-      return '${diffrence.inDays} days ago';
+    var difference = DateTime.now().difference(date);
+    if (difference.inSeconds < 60) {
+      return s.secondsAgo(difference.inSeconds);
+    } else if (difference.inMinutes < 60) {
+      return s.minsAgo(difference.inMinutes);
+    } else if (difference.inHours < 24) {
+      return s.hoursAgo(difference.inHours);
+    } else if (difference.inDays < 7) {
+      return s.daysAgo(difference.inDays);
     } else {
       return DateFormat.yMMMd()
           .format(DateTime.fromMillisecondsSinceEpoch(refreshDate));
@@ -84,7 +83,7 @@ class _PopupMenuState extends State<PopupMenu> {
             .toList();
         if (total.length == 0) {
           Fluttertoast.showToast(
-            msg: 'File not valid',
+            msg: s.toastFileNotValid,
             gravity: ToastGravity.BOTTOM,
           );
         } else {
@@ -104,7 +103,7 @@ class _PopupMenuState extends State<PopupMenu> {
       } catch (e) {
         print(e);
         Fluttertoast.showToast(
-          msg: 'File error, Subscribe failed',
+          msg: s.toastFileError,
           gravity: ToastGravity.TOP,
         );
         //await Future.delayed(Duration(seconds: 5));
@@ -121,7 +120,7 @@ class _PopupMenuState extends State<PopupMenu> {
         print('File Path' + filePath);
         //importOmpl.importState = ImportState.start;
         Fluttertoast.showToast(
-          msg: 'Read file successfully',
+          msg: s.toastReadFile,
           gravity: ToastGravity.TOP,
         );
         _saveOmpl(filePath);
@@ -134,7 +133,7 @@ class _PopupMenuState extends State<PopupMenu> {
       shape: RoundedRectangleBorder(
           borderRadius: BorderRadius.all(Radius.circular(10))),
       elevation: 1,
-      tooltip: 'Menu',
+      tooltip: s.menu,
       itemBuilder: (context) => [
         PopupMenuItem(
           value: 1,
@@ -154,7 +153,7 @@ class _PopupMenuState extends State<PopupMenu> {
                       s.homeToprightMenuRefreshAll,
                     ),
                     FutureBuilder<String>(
-                        future: _getRefreshDate(),
+                        future: _getRefreshDate(context),
                         builder: (_, snapshot) {
                           if (snapshot.hasData)
                             return Text(
diff --git a/lib/intro_slider/app_intro.dart b/lib/intro_slider/app_intro.dart
index 2d1c9c5..59b61ed 100644
--- a/lib/intro_slider/app_intro.dart
+++ b/lib/intro_slider/app_intro.dart
@@ -4,6 +4,7 @@ import 'package:provider/provider.dart';
 import '../state/settingstate.dart';
 import '../home/home.dart';
 import '../util/pageroute.dart';
+import '../util/context_extension.dart';
 import 'fourthpage.dart';
 import 'secondpage.dart';
 import 'thirdpage.dart';
@@ -200,7 +201,7 @@ class _SlideIntroState extends State<SlideIntro> {
                                       height: 40,
                                       width: 80,
                                       child: Center(
-                                          child: Text('Next',
+                                          child: Text(context.s.next,
                                               style: TextStyle(
                                                   color: Colors.black)))))
                               : InkWell(
@@ -221,7 +222,7 @@ class _SlideIntroState extends State<SlideIntro> {
                                       height: 40,
                                       width: 80,
                                       child: Center(
-                                          child: Text('Done',
+                                          child: Text(context.s.done,
                                               style: TextStyle(
                                                   color: Colors.black))))),
                         ),
diff --git a/lib/intro_slider/fourthpage.dart b/lib/intro_slider/fourthpage.dart
index 36d4929..29bbafd 100644
--- a/lib/intro_slider/fourthpage.dart
+++ b/lib/intro_slider/fourthpage.dart
@@ -23,13 +23,13 @@ class _FourthPageState extends State<FourthPage> {
               height: 200,
               alignment: Alignment.center,
               padding: EdgeInsets.all(40),
-              child: Text('Long press on episode card for quick actions.', style: TextStyle(
-                fontSize: 30,
-                color: Colors.white
-              ),),
+              child: Text(
+                context.s.introFourthPage,
+                style: TextStyle(fontSize: 30, color: Colors.white),
+              ),
             ),
             Container(
-                height: context.width*3/4,
+                height: context.width * 3 / 4,
                 // color: Colors.red,
                 child: FlareActor(
                   'assets/longtap.flr',
diff --git a/lib/intro_slider/secondpage.dart b/lib/intro_slider/secondpage.dart
index 72ab1a7..1c26aea 100644
--- a/lib/intro_slider/secondpage.dart
+++ b/lib/intro_slider/secondpage.dart
@@ -25,7 +25,7 @@ class _SecondPageState extends State<SecondPage> {
               padding:
                   EdgeInsets.only(top: 20, bottom: 20, left: 40, right: 40),
               child: Text(
-                'Subscribe podcast via search or import OMPL file.',
+                context.s.introSecondPage,
                 style: TextStyle(fontSize: 30, color: Colors.white),
               ),
             ),
diff --git a/lib/intro_slider/thirdpage.dart b/lib/intro_slider/thirdpage.dart
index 0e31710..cb183db 100644
--- a/lib/intro_slider/thirdpage.dart
+++ b/lib/intro_slider/thirdpage.dart
@@ -24,7 +24,7 @@ class _ThirdPageState extends State<ThirdPage> {
               alignment: Alignment.center,
               padding: EdgeInsets.all(40),
               child: Text(
-                'Swipe on podcast list to change group.',
+                context.s.introThirdPage,
                 style: TextStyle(fontSize: 30, color: Colors.white),
               ),
             ),
diff --git a/lib/l10n/intl_en.arb b/lib/l10n/intl_en.arb
index 1d6e73c..45ae2f8 100644
--- a/lib/l10n/intl_en.arb
+++ b/lib/l10n/intl_en.arb
@@ -20,6 +20,8 @@
   },
   "all": "All",
   "@all": {},
+  "autoDownload": "Auto download",
+  "@autoDownload": {},
   "back": "Back",
   "@back": {},
   "buffering": "Buffering",
@@ -40,26 +42,48 @@
   "@confirm": {},
   "darkMode": "Dark mode",
   "@darkMode": {},
+  "daysAgo": "{count, plural, zero{Today} one{{count} day ago} other{{count} days ago}}",
+  "@daysAgo": {},
+  "daysCount": "{count, plural, zero{Never} one{{count} day} other{{count} days}}",
+  "@daysCount": {},
   "delete": "Delete",
   "@delete": {},
   "developer": "Developer",
-  "@developer": {},
+  "@developer": {
+    "description": "Can also translate to About me"
+  },
   "dismiss": "Dismiss",
   "@dismiss": {},
+  "done": "Done",
+  "@done": {},
   "download": "Download",
   "@download": {},
   "downloaded": "Downloaded",
   "@downloaded": {},
-  "editName": "Edit name",
-  "@editName": {},
+  "editGroupName": "Edit group name",
+  "@editGroupName": {},
   "endOfEpisode": "End of Episode",
   "@endOfEpisode": {},
+  "episode": "Episode",
+  "@episode": {},
+  "featureDiscoveryEditGroup": "Tap to edit group",
+  "@featureDiscoveryEditGroup": {},
+  "featureDiscoveryEditGroupDes": "You can change group name or delete group here, but home group can not be edited or deleted",
+  "@featureDiscoveryEditGroupDes": {},
   "featureDiscoveryEpisode": "Episode view",
   "@featureDiscoveryEpisode": {},
   "featureDiscoveryEpisodeDes": "You can long tap to play episode or add episode to playlist.",
   "@featureDiscoveryEpisodeDes": {},
   "featureDiscoveryEpisodeTitle": "Long tap to play episode instantly",
   "@featureDiscoveryEpisodeTitle": {},
+  "featureDiscoveryGroup": "Tap to add group",
+  "@featureDiscoveryGroup": {},
+  "featureDiscoveryGroupDes": "Default group is home for new podcast, you can create new group and move podcast to new group, podcast can be added to multi-groups.",
+  "@featureDiscoveryGroupDes": {},
+  "featureDiscoveryGroupPodcast": "Long tap to reorder podcast",
+  "@featureDiscoveryGroupPodcast": {},
+  "featureDiscoveryGroupPodcastDes": "You can tap to see more options, or long tap to reorder podcast in group.",
+  "@featureDiscoveryGroupPodcastDes": {},
   "featureDiscoveryOMPL": "Tap to import OMPL",
   "@featureDiscoveryOMPL": {},
   "featureDiscoveryOMPLDes": "You can import OMPL file, open setting or refresh all podcast at once here.",
@@ -86,24 +110,30 @@
   "@feedbackPlay": {},
   "feedbackTelegram": "Join group",
   "@feedbackTelegram": {},
-  "from": "From",
-  "@from": {},
+  "fonts": "Fonts",
+  "@fonts": {},
+  "from": "From {time}",
+  "@from": {
+    "placeholders": {
+      "time": {}
+    }
+  },
   "goodNight": "Good Night",
   "@goodNight": {},
+  "groupExisted": "Group existed",
+  "@groupExisted": {},
   "groupFilter": "Group filter",
   "@groupFilter": {},
-  "groups": "Groups",
+  "groupRemoveConfirm": "Are you sure you want to delete this group? Podcasts will be moved to Home group.",
+  "@groupRemoveConfirm": {},
+  "groups": "{count, plural, zero{Group} one{Group} other{Groups}}",
   "@groups": {},
   "homeGroupsSeeAll": "See All",
   "@homeGroupsSeeAll": {},
   "homeMenuPlaylist": "Playlist",
   "@homeMenuPlaylist": {},
-  "homeSubMenuLikeData": "Like Date",
-  "@homeSubMenuLikeData": {},
   "homeSubMenuSortBy": "Sort by",
   "@homeSubMenuSortBy": {},
-  "homeSubMenuUpdateDate": "Update Date",
-  "@homeSubMenuUpdateDate": {},
   "homeTabMenuFavotite": "Favorite",
   "@homeTabMenuFavotite": {},
   "homeTabMenuRecent": "Recent",
@@ -122,8 +152,16 @@
       "host": {}
     }
   },
+  "hoursAgo": "{count, plural, zero{} one{{count} hour ago} other{{count} hours ago}}",
+  "@hoursAgo": {},
   "hoursCount": "{count, plural, zero{} one{{count} hour} other{{count} hours}}",
   "@hoursCount": {},
+  "introFourthPage": "Long press on episode card for quick actions.",
+  "@introFourthPage": {},
+  "introSecondPage": "Subscribe podcast via search or import OMPL file.",
+  "@introSecondPage": {},
+  "introThirdPage": "You can create new group for podcasts, swipe on podcast list to change group.",
+  "@introThirdPage": {},
   "later": "Later",
   "@later": {},
   "lightMode": "Light mode",
@@ -140,6 +178,10 @@
   "@listened": {},
   "loadMore": "Load more",
   "@loadMore": {},
+  "mark": "Mark",
+  "@mark": {
+    "description": "The short the best"
+  },
   "markConfirm": "Mark confirm",
   "@markConfirm": {},
   "markConfirmContent": "Confirm mark all episodes listened?",
@@ -156,6 +198,8 @@
   "@menuViewRSS": {},
   "menuVisitSite": "Visit Site",
   "@menuVisitSite": {},
+  "minsAgo": "{count, plural, zero{} one{{count} minute ago} other{{count} minutes ago}}",
+  "@minsAgo": {},
   "minsCount": "{count, plural, zero{} one{{count} min} other{{count} mins}}",
   "@minsCount": {},
   "network": "Network",
@@ -164,6 +208,8 @@
   "@newestFirst": {},
   "newGroup": "Create new group",
   "@newGroup": {},
+  "next": "Next",
+  "@next": {},
   "noEpisodeDownload": "No episode downloaded yet",
   "@noEpisodeDownload": {},
   "noEpisodeFavorite": "No episode collected yet",
@@ -216,6 +262,10 @@
   "@play": {},
   "playing": "Playing",
   "@playing": {},
+  "plugins": "Plugins",
+  "@plugins": {},
+  "podcast": "Podcast",
+  "@podcast": {},
   "podcastSubscribed": "Podcast subscribed",
   "@podcastSubscribed": {},
   "popupMenuDownloadDes": "Download episode",
@@ -230,14 +280,31 @@
   "@popupMenuPlayDes": {},
   "privacyPolicy": "Privacy Policy",
   "@privacyPolicy": {},
+  "recoverSubscribe": "Recover subscribe",
+  "@recoverSubscribe": {},
   "remove": "Remove",
   "@remove": {},
+  "removeConfirm": "Remove confirm",
+  "@removeConfirm": {
+    "description": "unsubscribe podcast dialog"
+  },
+  "removedAt": "Removed at {date}",
+  "@removedAt": {
+    "description": "For example ：Removed at 2020.10.10",
+    "placeholders": {
+      "date": {}
+    }
+  },
+  "removePodcastDes": "Are you sure you want to unsubscribe?",
+  "@removePodcastDes": {},
   "schedule": "Schedule",
   "@schedule": {},
   "searchInvalidRss": "Invalid RSS link",
   "@searchInvalidRss": {},
   "searchPodcast": "Search podcast",
   "@searchPodcast": {},
+  "secondsAgo": "{count, plural, zero{} one{{count} second ago} other{{count} seconds ago}}",
+  "@secondsAgo": {},
   "settingsAccentColor": "Accent color",
   "@settingsAccentColor": {},
   "settingsAccentColorDes": "Include the ovelay color",
@@ -280,7 +347,7 @@
   "@settingsExportDes": {},
   "settingsFeedback": "Feedback",
   "@settingsFeedback": {},
-  "settingsFeedbackDes": "Bugs and feature request",
+  "settingsFeedbackDes": "Bugs and features request",
   "@settingsFeedbackDes": {},
   "settingsHistory": "History",
   "@settingsHistory": {},
@@ -350,6 +417,8 @@
   "@settingsUpdateIntervalDes": {},
   "size": "Size",
   "@size": {},
+  "skipSecondsAtStart": "Skip seconds at start",
+  "@skipSecondsAtStart": {},
   "sleepTimer": "Sleep timer",
   "@sleepTimer": {},
   "subscribe": "Subscribe",
@@ -368,29 +437,53 @@
       "time": {}
     }
   },
-  "to": "To",
-  "@to": {},
+  "to": "To {time}",
+  "@to": {
+    "placeholders": {
+      "time": {}
+    }
+  },
   "toastAddPlaylist": "Added to playlist",
   "@toastAddPlaylist": {},
-  "toastDescovery": "Discovery feature reopened, pleast restart the app",
-  "@toastDescovery": {},
-  "toastFileError": "File error, Subscribe failed",
+  "toastDiscovery": "Discovery feature reopened, pleast restart the app",
+  "@toastDiscovery": {},
+  "toastFileError": "File error, subscribe failed",
   "@toastFileError": {},
-  "toastFileNotVilid": "File not vilid",
-  "@toastFileNotVilid": {},
+  "toastFileNotValid": "File not valid",
+  "@toastFileNotValid": {},
+  "toastHomeGroupNotSupport": "Home group is not supported",
+  "@toastHomeGroupNotSupport": {},
+  "toastOneGroup": "At least select one group",
+  "@toastOneGroup": {},
+  "toastPodcastRecovering": "Recovering, wait for a moment",
+  "@toastPodcastRecovering": {
+    "description": "Resubscribe removed podcast"
+  },
   "toastReadFile": "Read file successfully",
   "@toastReadFile": {},
-  "toastRemovePlaylist": "Removed from playlist",
+  "toastRecoverFailed": "Podcast recover failed",
+  "@toastRecoverFailed": {
+    "description": "Resubscribe removed podast"
+  },
+  "toastRemovePlaylist": "Episode removed from playlist",
   "@toastRemovePlaylist": {},
+  "toastSettingSaved": "Setting saved",
+  "@toastSettingSaved": {},
+  "toastTimeEqualEnd": "Time is equal to end time",
+  "@toastTimeEqualEnd": {},
+  "toastTimeEqualStart": "Time is equal to start time",
+  "@toastTimeEqualStart": {},
   "understood": "Understood",
   "@understood": {},
+  "undo": "UNDO",
+  "@undo": {},
   "unlike": "Unlike",
   "@unlike": {},
-  "unliked": "Removed from favorite",
+  "unliked": "Episode removed from favorite",
   "@unliked": {},
   "updateDate": "Update date",
   "@updateDate": {},
-  "updateEpisodesCount": "{count, plural, zero{No Update} one{Updated {count} Episode} other{Updated {count} Episodes}}",
+  "updateEpisodesCount": "{count, plural, zero{No update} one{Updated {count} episode} other{Updated {count} episodes}}",
   "@updateEpisodesCount": {},
   "updateFailed": "Update failed, network error",
   "@updateFailed": {},
diff --git a/lib/l10n/intl_zh_Hans.arb b/lib/l10n/intl_zh_Hans.arb
index 0f0cdb1..c1a7406 100644
--- a/lib/l10n/intl_zh_Hans.arb
+++ b/lib/l10n/intl_zh_Hans.arb
@@ -20,6 +20,8 @@
   },
   "all": "全部",
   "@all": {},
+  "autoDownload": "自动下载",
+  "@autoDownload": {},
   "back": "返回",
   "@back": {},
   "buffering": "缓冲",
@@ -40,26 +42,48 @@
   "@confirm": {},
   "darkMode": "夜晚模式",
   "@darkMode": {},
+  "daysAgo": "{count, plural, zero{今天} other{{count}天前}}",
+  "@daysAgo": {},
+  "daysCount": "{count, plural, zero{从不} other{{count}天}}",
+  "@daysCount": {},
   "delete": "删除",
   "@delete": {},
   "developer": "关于我",
-  "@developer": {},
+  "@developer": {
+    "description": "Can also translate to About me"
+  },
   "dismiss": "忽略",
   "@dismiss": {},
+  "done": "完成",
+  "@done": {},
   "download": "下载",
   "@download": {},
   "downloaded": "已下载",
   "@downloaded": {},
-  "editName": "修改组名",
-  "@editName": {},
+  "editGroupName": "修改组名",
+  "@editGroupName": {},
   "endOfEpisode": "节目结束",
   "@endOfEpisode": {},
+  "episode": "节目",
+  "@episode": {},
+  "featureDiscoveryEditGroup": "点击修改分组",
+  "@featureDiscoveryEditGroup": {},
+  "featureDiscoveryEditGroupDes": "您可以修改分组名或者删除分组，注意 Home 分组无法修改，也不能被删除。",
+  "@featureDiscoveryEditGroupDes": {},
   "featureDiscoveryEpisode": "节目界面",
   "@featureDiscoveryEpisode": {},
   "featureDiscoveryEpisodeDes": "您可以长按播放节目或者添加节目到播放列表。",
   "@featureDiscoveryEpisodeDes": {},
   "featureDiscoveryEpisodeTitle": "您可以长按快速播放节目",
   "@featureDiscoveryEpisodeTitle": {},
+  "featureDiscoveryGroup": "点击添加分组",
+  "@featureDiscoveryGroup": {},
+  "featureDiscoveryGroupDes": "新订阅播客默认分组为 Home，您可以添加新的分组，移动播客到新的分组，每个播客可以被添加到多个分组。",
+  "@featureDiscoveryGroupDes": {},
+  "featureDiscoveryGroupPodcast": "长按可以移动播客位置",
+  "@featureDiscoveryGroupPodcast": {},
+  "featureDiscoveryGroupPodcastDes": "您可以点击对播客进行设置，或者长按重新排序。",
+  "@featureDiscoveryGroupPodcastDes": {},
   "featureDiscoveryOMPL": "点击导入 OMPL",
   "@featureDiscoveryOMPL": {},
   "featureDiscoveryOMPLDes": "在这里您可以导入OMPL文件，打开设置页面，或者刷新所有播客。",
@@ -86,24 +110,30 @@
   "@feedbackPlay": {},
   "feedbackTelegram": "加入小组",
   "@feedbackTelegram": {},
-  "from": "自",
-  "@from": {},
+  "fonts": "字体",
+  "@fonts": {},
+  "from": "自{time}",
+  "@from": {
+    "placeholders": {
+      "time": {}
+    }
+  },
   "goodNight": "晚安",
   "@goodNight": {},
+  "groupExisted": "组名已使用",
+  "@groupExisted": {},
   "groupFilter": "分组",
   "@groupFilter": {},
-  "groups": "分组",
+  "groupRemoveConfirm": "您确认要移除该分组吗？播客将被移动到 Home 分组。",
+  "@groupRemoveConfirm": {},
+  "groups": "{count, plural, zero{分组} other{分组}}",
   "@groups": {},
   "homeGroupsSeeAll": "查看全部",
   "@homeGroupsSeeAll": {},
   "homeMenuPlaylist": "播放列表",
   "@homeMenuPlaylist": {},
-  "homeSubMenuLikeData": "添加日期",
-  "@homeSubMenuLikeData": {},
   "homeSubMenuSortBy": "排序",
   "@homeSubMenuSortBy": {},
-  "homeSubMenuUpdateDate": "更新日期",
-  "@homeSubMenuUpdateDate": {},
   "homeTabMenuFavotite": "收藏",
   "@homeTabMenuFavotite": {},
   "homeTabMenuRecent": "最近更新",
@@ -122,8 +152,16 @@
       "host": {}
     }
   },
+  "hoursAgo": "{count, plural, zero{} other{{count}小时前}}",
+  "@hoursAgo": {},
   "hoursCount": "{count, plural, zero{} other{{count} 小时}}",
   "@hoursCount": {},
+  "introFourthPage": "长按节目打开快捷菜单。",
+  "@introFourthPage": {},
+  "introSecondPage": "您可以通过搜索订阅播客，也可以直接导入OMPL文件。",
+  "@introSecondPage": {},
+  "introThirdPage": "您可以创建分组，上下滑动切换分组。",
+  "@introThirdPage": {},
   "later": "稍后",
   "@later": {},
   "lightMode": "明亮模式",
@@ -140,6 +178,10 @@
   "@listened": {},
   "loadMore": "加载更多",
   "@loadMore": {},
+  "mark": "标记",
+  "@mark": {
+    "description": "The short the best"
+  },
   "markConfirm": "确认标记",
   "@markConfirm": {},
   "markConfirmContent": "是否确认标记全部节目为已收听？",
@@ -156,6 +198,8 @@
   "@menuViewRSS": {},
   "menuVisitSite": "访问网站",
   "@menuVisitSite": {},
+  "minsAgo": "{count, plural, zero{} other{{count}分钟前}}",
+  "@minsAgo": {},
   "minsCount": "{count, plural, zero{} other{{count}分钟}}",
   "@minsCount": {},
   "network": "网络",
@@ -164,6 +208,8 @@
   "@newestFirst": {},
   "newGroup": "创建分组",
   "@newGroup": {},
+  "next": "下一步",
+  "@next": {},
   "noEpisodeDownload": "暂无下载节目",
   "@noEpisodeDownload": {},
   "noEpisodeFavorite": "暂无收藏节目",
@@ -216,6 +262,10 @@
   "@play": {},
   "playing": "正在播放",
   "@playing": {},
+  "plugins": "插件",
+  "@plugins": {},
+  "podcast": "播客",
+  "@podcast": {},
   "podcastSubscribed": "播客已订阅",
   "@podcastSubscribed": {},
   "popupMenuDownloadDes": "下载节目",
@@ -230,14 +280,31 @@
   "@popupMenuPlayDes": {},
   "privacyPolicy": "隐私条款",
   "@privacyPolicy": {},
+  "recoverSubscribe": "恢复订阅",
+  "@recoverSubscribe": {},
   "remove": "移除",
   "@remove": {},
+  "removeConfirm": "取消订阅",
+  "@removeConfirm": {
+    "description": "unsubscribe podcast dialog"
+  },
+  "removedAt": "{date}移除",
+  "@removedAt": {
+    "description": "For example ：Removed at 2020.10.10",
+    "placeholders": {
+      "date": {}
+    }
+  },
+  "removePodcastDes": "您确认要取消订阅吗？",
+  "@removePodcastDes": {},
   "schedule": "定时",
   "@schedule": {},
   "searchInvalidRss": "RSS 链接错误",
   "@searchInvalidRss": {},
   "searchPodcast": "搜索播客",
   "@searchPodcast": {},
+  "secondsAgo": "{count, plural, zero{} other{{count}秒前}}",
+  "@secondsAgo": {},
   "settingsAccentColor": "次要颜色",
   "@settingsAccentColor": {},
   "settingsAccentColorDes": "包括溢出颜色",
@@ -296,7 +363,7 @@
   "@settingsLayoutDes": {},
   "settingsLibraries": "开源",
   "@settingsLibraries": {},
-  "settingsLibrariesDes": "使用开源项目",
+  "settingsLibrariesDes": "开源项目使用",
   "@settingsLibrariesDes": {},
   "settingsManageDownload": "下载管理",
   "@settingsManageDownload": {},
@@ -320,7 +387,7 @@
   "@settingsPopupMenuDes": {},
   "settingsPrefrence": "首选项",
   "@settingsPrefrence": {},
-  "settingsRealDark": "真的黑",
+  "settingsRealDark": "极黑",
   "@settingsRealDark": {},
   "settingsRealDarkDes": "如果夜不够黑，请开启",
   "@settingsRealDarkDes": {},
@@ -350,6 +417,8 @@
   "@settingsUpdateIntervalDes": {},
   "size": "大小",
   "@size": {},
+  "skipSecondsAtStart": "开头跳过秒数",
+  "@skipSecondsAtStart": {},
   "sleepTimer": "睡眠模式",
   "@sleepTimer": {},
   "subscribe": "订阅",
@@ -368,22 +437,46 @@
       "time": {}
     }
   },
-  "to": "到",
-  "@to": {},
+  "to": "到{time}",
+  "@to": {
+    "placeholders": {
+      "time": {}
+    }
+  },
   "toastAddPlaylist": "添加到播放列表",
   "@toastAddPlaylist": {},
-  "toastDescovery": "重启应用后可查看",
-  "@toastDescovery": {},
+  "toastDiscovery": "重启应用后可查看",
+  "@toastDiscovery": {},
   "toastFileError": "文件错误，导入失败",
   "@toastFileError": {},
-  "toastFileNotVilid": "文件错误",
-  "@toastFileNotVilid": {},
+  "toastFileNotValid": "文件错误",
+  "@toastFileNotValid": {},
+  "toastHomeGroupNotSupport": "Home 分组不支持此功能",
+  "@toastHomeGroupNotSupport": {},
+  "toastOneGroup": "请至少选择一个分组",
+  "@toastOneGroup": {},
+  "toastPodcastRecovering": "恢复中，请稍后",
+  "@toastPodcastRecovering": {
+    "description": "Resubscribe removed podcast"
+  },
   "toastReadFile": "读取文件成功",
   "@toastReadFile": {},
+  "toastRecoverFailed": "恢复订阅失败",
+  "@toastRecoverFailed": {
+    "description": "Resubscribe removed podast"
+  },
   "toastRemovePlaylist": "从播放列表移除",
   "@toastRemovePlaylist": {},
+  "toastSettingSaved": "设置已保存",
+  "@toastSettingSaved": {},
+  "toastTimeEqualEnd": "与结束时间相同",
+  "@toastTimeEqualEnd": {},
+  "toastTimeEqualStart": "与起始时间相同",
+  "@toastTimeEqualStart": {},
   "understood": "了解",
   "@understood": {},
+  "undo": "撤销",
+  "@undo": {},
   "unlike": "取消喜欢",
   "@unlike": {},
   "unliked": "从收藏移除",
diff --git a/lib/podcasts/podcastgroup.dart b/lib/podcasts/podcastgroup.dart
index 5fe03dd..6fd1923 100644
--- a/lib/podcasts/podcastgroup.dart
+++ b/lib/podcasts/podcastgroup.dart
@@ -173,7 +173,7 @@ class _PodcastCardState extends State<PodcastCard>
     Color _c = (Theme.of(context).brightness == Brightness.light)
         ? widget.podcastLocal.primaryColor.colorizedark()
         : widget.podcastLocal.primaryColor.colorizeLight();
-
+    final s = context.s;
     double _width = MediaQuery.of(context).size.width;
     var groupList = context.watch<GroupList>();
     _belongGroups = groupList.getPodcastGroup(widget.podcastLocal.id);
@@ -326,12 +326,12 @@ class _PodcastCardState extends State<PodcastCard>
                                             _selectedGroups,
                                           );
                                           Fluttertoast.showToast(
-                                            msg: 'Setting Saved',
+                                            msg: s.toastSettingSaved,
                                             gravity: ToastGravity.BOTTOM,
                                           );
                                         } else
                                           Fluttertoast.showToast(
-                                            msg: 'At least select one group',
+                                            msg: s.toastOneGroup,
                                             gravity: ToastGravity.BOTTOM,
                                           );
                                       },
@@ -353,7 +353,7 @@ class _PodcastCardState extends State<PodcastCard>
                                       _addGroup = true;
                                     });
                                   },
-                                  tooltip: 'Group'),
+                                  tooltip: s.groups(0)),
                               FutureBuilder<bool>(
                                 future:
                                     _getAutoDownload(widget.podcastLocal.id),
@@ -382,7 +382,7 @@ class _PodcastCardState extends State<PodcastCard>
                                               ? context.accentColor
                                               : null),
                                     ),
-                                    tooltip: 'Auto Download',
+                                    tooltip: s.autoDownload,
                                     onTap: () async {
                                       await _setAutoDownload(
                                           widget.podcastLocal.id,
@@ -409,7 +409,7 @@ class _PodcastCardState extends State<PodcastCard>
                                         onTap: () {
                                           generalDialog(
                                             context,
-                                            title: Text('Skip seconds at start',
+                                            title: Text(s.skipSecondsAtStart,
                                                 maxLines: 2),
                                             content: DurationPicker(
                                               duration: Duration(
@@ -424,7 +424,7 @@ class _PodcastCardState extends State<PodcastCard>
                                                   _seconds = 0;
                                                 },
                                                 child: Text(
-                                                  'CANCEL',
+                                                  s.cancel,
                                                   style: TextStyle(
                                                       color: Colors.grey[600]),
                                                 ),
@@ -437,7 +437,7 @@ class _PodcastCardState extends State<PodcastCard>
                                                       _seconds);
                                                 },
                                                 child: Text(
-                                                  'CONFIRM',
+                                                  s.confirm,
                                                   style: TextStyle(
                                                       color:
                                                           context.accentColor),
@@ -453,19 +453,18 @@ class _PodcastCardState extends State<PodcastCard>
                                     color: Colors.red,
                                     size: _value == 0 ? 1 : 20 * _value,
                                   ),
-                                  tooltip: 'Remove',
+                                  tooltip: s.remove,
                                   onTap: () {
                                     generalDialog(
                                       context,
-                                      title: Text('Remove confirm'),
-                                      content: Text(
-                                          'Are you sure you want to unsubscribe?'),
+                                      title: Text(s.removeConfirm),
+                                      content: Text(s.removePodcastDes),
                                       actions: <Widget>[
                                         FlatButton(
                                           onPressed: () =>
                                               Navigator.of(context).pop(),
                                           child: Text(
-                                            'CANCEL',
+                                            s.cancel,
                                             style: TextStyle(
                                                 color: Colors.grey[600]),
                                           ),
@@ -477,7 +476,7 @@ class _PodcastCardState extends State<PodcastCard>
                                             Navigator.of(context).pop();
                                           },
                                           child: Text(
-                                            'CONFIRM',
+                                            s.confirm,
                                             style: TextStyle(color: Colors.red),
                                           ),
                                         )
@@ -523,6 +522,7 @@ class _RenameGroupState extends State<RenameGroup> {
   Widget build(BuildContext context) {
     var groupList = Provider.of<GroupList>(context, listen: false);
     List list = groupList.groups.map((e) => e.name).toList();
+    final s = context.s;
     return AnnotatedRegion<SystemUiOverlayStyle>(
       value: SystemUiOverlayStyle(
         statusBarIconBrightness: Brightness.light,
@@ -542,7 +542,7 @@ class _RenameGroupState extends State<RenameGroup> {
           FlatButton(
             onPressed: () => Navigator.of(context).pop(),
             child: Text(
-              'CANCEL',
+              s.cancel,
               style: TextStyle(color: Colors.grey[600]),
             ),
           ),
@@ -559,12 +559,12 @@ class _RenameGroupState extends State<RenameGroup> {
                 Navigator.of(context).pop();
               }
             },
-            child: Text('DONE',
+            child: Text(s.confirm,
                 style: TextStyle(color: Theme.of(context).accentColor)),
           )
         ],
-        title: SizedBox(
-            width: context.width - 160, child: Text('Edit group name')),
+        title:
+            SizedBox(width: context.width - 160, child: Text(s.editGroupName)),
         content: Column(
           mainAxisSize: MainAxisSize.min,
           children: <Widget>[
@@ -595,7 +595,7 @@ class _RenameGroupState extends State<RenameGroup> {
               alignment: Alignment.centerLeft,
               child: (_error == 1)
                   ? Text(
-                      'Group existed',
+                      s.groupExisted,
                       style: TextStyle(color: Colors.red[400]),
                     )
                   : Center(),
diff --git a/lib/podcasts/podcastmanage.dart b/lib/podcasts/podcastmanage.dart
index 5611f6d..20370b8 100644
--- a/lib/podcasts/podcastmanage.dart
+++ b/lib/podcasts/podcastmanage.dart
@@ -88,6 +88,7 @@ class _PodcastManageState extends State<PodcastManage>
   }
 
   Widget _saveButton(BuildContext context) {
+    final s = context.s;
     return Consumer<GroupList>(
       builder: (_, groupList, __) {
         if (groupList.orderChanged.contains(groupList.groups[_index])) {
@@ -100,7 +101,7 @@ class _PodcastManageState extends State<PodcastManage>
           tapTarget: Icon(Icons.menu),
           title: Padding(
             padding: const EdgeInsets.only(top: 20.0),
-            child: const Text('Tap to edit group'),
+            child: Text(s.featureDiscoveryEditGroup),
           ),
           overflowMode: OverflowMode.clipContent,
           backgroundColor: Colors.cyan[600],
@@ -108,12 +109,11 @@ class _PodcastManageState extends State<PodcastManage>
           description: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: <Widget>[
-              const Text('You can change group name or delete group here,' +
-                  'but home group can not be edited or deleted.'),
+              Text(s.featureDiscoveryEditGroupDes),
               FlatButton(
                 color: Colors.cyan[500],
                 padding: const EdgeInsets.all(0),
-                child: Text('Understood',
+                child: Text(s.understood,
                     style: Theme.of(context)
                         .textTheme
                         .button
@@ -124,7 +124,7 @@ class _PodcastManageState extends State<PodcastManage>
               FlatButton(
                 color: Colors.cyan[500],
                 padding: const EdgeInsets.all(0),
-                child: Text('Dismiss',
+                child: Text(s.dismiss,
                     style: Theme.of(context)
                         .textTheme
                         .button
@@ -176,7 +176,7 @@ class _PodcastManageState extends State<PodcastManage>
                     groupList
                         .drlFromOrderChanged(groupList.groups[_index].name);
                     Fluttertoast.showToast(
-                      msg: 'Setting Saved',
+                      msg: context.s.toastSettingSaved,
                       gravity: ToastGravity.BOTTOM,
                     );
                     _controller.reverse();
@@ -191,6 +191,7 @@ class _PodcastManageState extends State<PodcastManage>
   }
 
   Widget build(BuildContext context) {
+    final s = context.s;
     return AnnotatedRegion<SystemUiOverlayStyle>(
       value: SystemUiOverlayStyle(
         statusBarIconBrightness: Theme.of(context).accentColorBrightness,
@@ -202,25 +203,23 @@ class _PodcastManageState extends State<PodcastManage>
       child: Scaffold(
         appBar: AppBar(
           centerTitle: true,
-          title: Text('Groups'),
+          title: Text(context.s.groups(2)),
           actions: <Widget>[
             DescribedFeatureOverlay(
               featureId: addGroupFeature,
               tapTarget: Icon(Icons.add),
-              title: const Text('Tap to add group'),
+              title: Text(s.featureDiscoveryGroup),
               overflowMode: OverflowMode.clipContent,
               backgroundColor: Colors.cyan[600],
               onDismiss: () => Future.value(true),
               description: Column(
                 crossAxisAlignment: CrossAxisAlignment.end,
                 children: <Widget>[
-                  const Text(
-                      'Default group is home for new podcast, you can create new group and move ' +
-                          'podcast to new group, podcast can be added to muilti-groups.'),
+                  Text(s.featureDiscoveryGroupDes),
                   FlatButton(
                     color: Colors.cyan[500],
                     padding: const EdgeInsets.all(0),
-                    child: Text('Understood',
+                    child: Text(context.s.understood,
                         style: Theme.of(context)
                             .textTheme
                             .button
@@ -231,7 +230,7 @@ class _PodcastManageState extends State<PodcastManage>
                   FlatButton(
                     color: Colors.cyan[500],
                     padding: const EdgeInsets.all(0),
-                    child: Text('Dismiss',
+                    child: Text(context.s.dismiss,
                         style: Theme.of(context)
                             .textTheme
                             .button
@@ -293,8 +292,8 @@ class _PodcastManageState extends State<PodcastManage>
                           pageBuilder: (context, index) =>
                               DescribedFeatureOverlay(
                             featureId: configurePodcast,
-                            tapTarget: Text('Podcast'),
-                            title: const Text('Long tap to reorder podcast'),
+                            tapTarget: Text(s.podcast),
+                            title: Text(s.featureDiscoveryGroupPodcast),
                             overflowMode: OverflowMode.clipContent,
                             onDismiss: () => Future.value(true),
                             enablePulsingAnimation: false,
@@ -302,12 +301,11 @@ class _PodcastManageState extends State<PodcastManage>
                             description: Column(
                               crossAxisAlignment: CrossAxisAlignment.end,
                               children: <Widget>[
-                                const Text('You can tap to see more options,' +
-                                    ' or long tap to reorder podcast in group.'),
+                                Text(s.featureDiscoveryGroupPodcastDes),
                                 FlatButton(
                                   color: Colors.cyan[500],
                                   padding: const EdgeInsets.all(0),
-                                  child: Text('Understood',
+                                  child: Text(context.s.understood,
                                       style: Theme.of(context)
                                           .textTheme
                                           .button
@@ -319,7 +317,7 @@ class _PodcastManageState extends State<PodcastManage>
                                 FlatButton(
                                   color: Colors.cyan[500],
                                   padding: const EdgeInsets.all(0),
-                                  child: Text('Dismiss',
+                                  child: Text(context.s.dismiss,
                                       style: Theme.of(context)
                                           .textTheme
                                           .button
@@ -377,8 +375,8 @@ class _PodcastManageState extends State<PodcastManage>
                                           setState(() => _showSetting = false);
                                           _index == 0
                                               ? Fluttertoast.showToast(
-                                                  msg:
-                                                      'Home group is not supported',
+                                                  msg: s
+                                                      .toastHomeGroupNotSupport,
                                                   gravity: ToastGravity.BOTTOM,
                                                 )
                                               : showGeneralDialog(
@@ -420,7 +418,7 @@ class _PodcastManageState extends State<PodcastManage>
                                                 padding: EdgeInsets.symmetric(
                                                     horizontal: 5.0),
                                               ),
-                                              Text('Edit Name',
+                                              Text(context.s.editGroupName,
                                                   style: TextStyle(
                                                       color: Colors.white)),
                                             ],
@@ -439,23 +437,22 @@ class _PodcastManageState extends State<PodcastManage>
                                           setState(() => _showSetting = false);
                                           _index == 0
                                               ? Fluttertoast.showToast(
-                                                  msg:
-                                                      'Home group is not supported',
+                                                  msg: s
+                                                      .toastHomeGroupNotSupport,
                                                   gravity: ToastGravity.BOTTOM,
                                                 )
                                               : generalDialog(
                                                   context,
-                                                  title: Text('Delete confirm'),
+                                                  title: Text(s.removeConfirm),
                                                   content: Text(
-                                                      'Are you sure you want to delete this group?' +
-                                                          'Podcasts will be moved to Home group.'),
+                                                      s.groupRemoveConfirm),
                                                   actions: <Widget>[
                                                     FlatButton(
                                                       onPressed: () =>
                                                           Navigator.of(context)
                                                               .pop(),
                                                       child: Text(
-                                                        'CANCEL',
+                                                        context.s.cancel,
                                                         style: TextStyle(
                                                             color: Colors
                                                                 .grey[600]),
@@ -482,7 +479,7 @@ class _PodcastManageState extends State<PodcastManage>
                                                             .pop();
                                                       },
                                                       child: Text(
-                                                        'CONFIRM',
+                                                        context.s.confirm,
                                                         style: TextStyle(
                                                             color: Colors.red),
                                                       ),
@@ -509,7 +506,7 @@ class _PodcastManageState extends State<PodcastManage>
                                                 padding: EdgeInsets.symmetric(
                                                     horizontal: 5.0),
                                               ),
-                                              Text('Delete',
+                                              Text(s.remove,
                                                   style: TextStyle(
                                                       color: Colors.red)),
                                             ],
@@ -534,11 +531,12 @@ class _PodcastManageState extends State<PodcastManage>
 class OrderMenu extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
+    final s = context.s;
     return PopupMenuButton(
       shape: RoundedRectangleBorder(
           borderRadius: BorderRadius.all(Radius.circular(10))),
       elevation: 2,
-      tooltip: 'Menu',
+      tooltip: s.menu,
       itemBuilder: (context) => [
         PopupMenuItem(
           value: 1,
@@ -548,7 +546,7 @@ class OrderMenu extends StatelessWidget {
               Padding(
                 padding: EdgeInsets.symmetric(horizontal: 5.0),
               ),
-              Text('All Podcasts'),
+              Text(s.menuAllPodcasts),
             ],
           ),
         ),
@@ -587,6 +585,7 @@ class _AddGroupState extends State<AddGroup> {
 
   @override
   Widget build(BuildContext context) {
+    final s = context.s;
     var groupList = Provider.of<GroupList>(context);
     List list = groupList.groups.map((e) => e.name).toList();
     return AnnotatedRegion<SystemUiOverlayStyle>(
@@ -608,7 +607,7 @@ class _AddGroupState extends State<AddGroup> {
           FlatButton(
             onPressed: () => Navigator.of(context).pop(),
             child: Text(
-              'CANCEL',
+              s.cancel,
               style: TextStyle(color: Colors.grey[600]),
             ),
           ),
@@ -621,19 +620,18 @@ class _AddGroupState extends State<AddGroup> {
                 Navigator.of(context).pop();
               }
             },
-            child: Text('DONE',
+            child: Text(s.confirm,
                 style: TextStyle(color: Theme.of(context).accentColor)),
           )
         ],
-        title: SizedBox(
-            width: context.width - 160, child: Text('Create new group')),
+        title: SizedBox(width: context.width - 160, child: Text(s.newGroup)),
         content: Column(
           mainAxisSize: MainAxisSize.min,
           children: <Widget>[
             TextField(
               decoration: InputDecoration(
                 contentPadding: EdgeInsets.symmetric(horizontal: 10),
-                hintText: 'New Group',
+                hintText: s.newGroup,
                 hintStyle: TextStyle(fontSize: 18),
                 filled: true,
                 focusedBorder: UnderlineInputBorder(
@@ -657,7 +655,7 @@ class _AddGroupState extends State<AddGroup> {
               alignment: Alignment.centerLeft,
               child: (_error == 1)
                   ? Text(
-                      'Group existed',
+                      s.groupExisted,
                       style: TextStyle(color: Colors.red[400]),
                     )
                   : Center(),
diff --git a/lib/settings/downloads_manage.dart b/lib/settings/downloads_manage.dart
index 6ad40d8..63b34e0 100644
--- a/lib/settings/downloads_manage.dart
+++ b/lib/settings/downloads_manage.dart
@@ -183,7 +183,7 @@ class _DownloadsManageState extends State<DownloadsManage> {
                                       borderRadius: BorderRadius.all(
                                           Radius.circular(10))),
                                   elevation: 1,
-                                  tooltip: 'Sort By',
+                                  tooltip: s.homeSubMenuSortBy,
                                   child: Container(
                                       height: 40,
                                       padding:
@@ -211,15 +211,15 @@ class _DownloadsManageState extends State<DownloadsManage> {
                                   itemBuilder: (context) => [
                                     PopupMenuItem(
                                       value: 0,
-                                      child: Text('Newest first'),
+                                      child: Text(s.newestFirst),
                                     ),
                                     PopupMenuItem(
                                       value: 1,
-                                      child: Text('Oldest first'),
+                                      child: Text(s.oldestFirst),
                                     ),
                                     PopupMenuItem(
                                       value: 2,
-                                      child: Text('Size'),
+                                      child: Text(s.size),
                                     ),
                                   ],
                                   onSelected: (value) {
@@ -246,7 +246,7 @@ class _DownloadsManageState extends State<DownloadsManage> {
                                         padding:
                                             EdgeInsets.symmetric(horizontal: 5),
                                       ),
-                                      Text('Listened Only'),
+                                      Text(s.listened),
                                       Transform.scale(
                                         scale: 0.8,
                                         child: Checkbox(
diff --git a/lib/settings/history.dart b/lib/settings/history.dart
index 7c1ff65..56a4dad 100644
--- a/lib/settings/history.dart
+++ b/lib/settings/history.dart
@@ -67,7 +67,7 @@ class _PlayedHistoryState extends State<PlayedHistory>
 
   Future recoverSub(BuildContext context, String url) async {
     Fluttertoast.showToast(
-      msg: 'Recovering, wait for seconds',
+      msg: context.s.toastPodcastRecovering,
       gravity: ToastGravity.BOTTOM,
     );
     var subscribeWorker = context.read<SubscribeWorker>();
@@ -90,7 +90,7 @@ class _PlayedHistoryState extends State<PlayedHistory>
     } on DioError catch (e) {
       print(e);
       Fluttertoast.showToast(
-        msg: 'Podcast recover failed',
+        msg: context.s.toastRecoverFailed,
         gravity: ToastGravity.BOTTOM,
       );
     }
@@ -273,7 +273,7 @@ class _PlayedHistoryState extends State<PlayedHistory>
                                                           snapshot.data[index]
                                                                   .seekValue ==
                                                               1
-                                                      ? 'Mark'
+                                                      ? s.mark
                                                       : _stringForSeconds(
                                                           snapshot.data[index]
                                                               .seconds),
@@ -330,18 +330,15 @@ class _PlayedHistoryState extends State<PlayedHistory>
                                       ],
                                     ),
                                     subtitle: _status
-                                        ? Text(DateTime.now()
-                                                .difference(snapshot
-                                                    .data[index].subDate)
-                                                .inDays
-                                                .toString() +
-                                            ' day ago')
+                                        ? Text(s.daysAgo(DateTime.now()
+                                            .difference(
+                                                snapshot.data[index].subDate)
+                                            .inDays))
                                         : Text(
-                                            'Removed at ' +
-                                                DateFormat.yMd()
-                                                    .add_jm()
-                                                    .format(snapshot
-                                                        .data[index].delDate),
+                                            s.removedAt(DateFormat.yMd()
+                                                .add_jm()
+                                                .format(snapshot
+                                                    .data[index].delDate)),
                                             style: TextStyle(color: Colors.red),
                                           ),
                                     // Text(snapshot.data[index].delDate
@@ -355,7 +352,7 @@ class _PlayedHistoryState extends State<PlayedHistory>
                                         ? Material(
                                             color: Colors.transparent,
                                             child: IconButton(
-                                              tooltip: 'Recover subscribe',
+                                              tooltip: s.recoverSubscribe,
                                               icon: Icon(LineIcons
                                                   .trash_restore_alt_solid),
                                               onPressed: () => recoverSub(
diff --git a/lib/settings/libries.dart b/lib/settings/libries.dart
index 85fe6ac..78bcaed 100644
--- a/lib/settings/libries.dart
+++ b/lib/settings/libries.dart
@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:url_launcher/url_launcher.dart';
+import '../util/context_extension.dart';
 import 'licenses.dart';
 
 class Libries extends StatelessWidget {
@@ -23,7 +24,7 @@ class Libries extends StatelessWidget {
       ),
       child: Scaffold(
         appBar: AppBar(
-          title: Text('Libraies'),
+          title: Text(context.s.settingsLibraries),
           elevation: 0,
           backgroundColor: Theme.of(context).primaryColor,
         ),
@@ -63,7 +64,7 @@ class Libries extends StatelessWidget {
                   height: 30.0,
                   padding: EdgeInsets.symmetric(horizontal: 70),
                   alignment: Alignment.centerLeft,
-                  child: Text('Fonts',
+                  child: Text(context.s.fonts,
                       style: Theme.of(context)
                           .textTheme
                           .bodyText1
@@ -85,7 +86,7 @@ class Libries extends StatelessWidget {
                   height: 30.0,
                   padding: EdgeInsets.symmetric(horizontal: 70),
                   alignment: Alignment.centerLeft,
-                  child: Text('Plugins',
+                  child: Text(context.s.plugins,
                       style: Theme.of(context)
                           .textTheme
                           .bodyText1
diff --git a/lib/settings/play_setting.dart b/lib/settings/play_setting.dart
index e6320c1..b075b27 100644
--- a/lib/settings/play_setting.dart
+++ b/lib/settings/play_setting.dart
@@ -40,7 +40,7 @@ class PlaySetting extends StatelessWidget {
                       ? context.accentColor
                       : context.primaryColorDark,
                   padding: const EdgeInsets.all(8.0),
-                  child: Text('End of Episode',
+                  child: Text(context.s.endOfEpisode,
                       style: TextStyle(
                           color: data.item1 == 0 ? Colors.white : null)),
                 ),
@@ -56,7 +56,7 @@ class PlaySetting extends StatelessWidget {
                       ? context.accentColor
                       : context.primaryColorDark,
                   padding: const EdgeInsets.all(8.0),
-                  child: Text(data.item2.toString() + 'mins',
+                  child: Text(context.s.minsCount(data.item2),
                       style: TextStyle(
                           color: data.item1 == 1 ? Colors.white : null)),
                 ),
@@ -70,6 +70,7 @@ class PlaySetting extends StatelessWidget {
 
   Widget _scheduleWidget(BuildContext context) {
     var settings = Provider.of<SettingState>(context, listen: false);
+    final s = context.s;
     return Selector<SettingState, Tuple2<int, int>>(
       selector: (_, settings) =>
           Tuple2(settings.autoSleepTimerStart, settings.autoSleepTimerEnd),
@@ -105,7 +106,7 @@ class PlaySetting extends StatelessWidget {
                     FlatButton(
                       onPressed: () => Navigator.of(context).pop(),
                       child: Text(
-                        'CANCEL',
+                        s.cancel,
                         style: TextStyle(color: Colors.grey[600]),
                       ),
                     ),
@@ -116,13 +117,13 @@ class PlaySetting extends StatelessWidget {
                           Navigator.of(context).pop();
                         } else {
                           Fluttertoast.showToast(
-                            msg: 'Time is equal to end time',
+                            msg: s.toastTimeEqualEnd,
                             gravity: ToastGravity.BOTTOM,
                           );
                         }
                       },
                       child: Text(
-                        'CONFIRM',
+                        s.confirm,
                         style: TextStyle(color: context.accentColor),
                       ),
                     )
@@ -134,7 +135,7 @@ class PlaySetting extends StatelessWidget {
                 child: Container(
                   color: context.primaryColorDark,
                   padding: const EdgeInsets.all(8.0),
-                  child: Text('From ' + stringForMins(data.item1)),
+                  child: Text(s.from(stringForMins(data.item1))),
                 ),
               ),
             ),
@@ -164,7 +165,7 @@ class PlaySetting extends StatelessWidget {
                     FlatButton(
                       onPressed: () => Navigator.of(context).pop(),
                       child: Text(
-                        'CANCEL',
+                        s.cancel,
                         style: TextStyle(color: Colors.grey[600]),
                       ),
                     ),
@@ -175,13 +176,13 @@ class PlaySetting extends StatelessWidget {
                           Navigator.of(context).pop();
                         } else {
                           Fluttertoast.showToast(
-                            msg: 'Time is equal to start time',
+                            msg: s.toastTimeEqualStart,
                             gravity: ToastGravity.BOTTOM,
                           );
                         }
                       },
                       child: Text(
-                        'CONFIRM',
+                        s.confirm,
                         style: TextStyle(color: context.accentColor),
                       ),
                     )
@@ -193,7 +194,7 @@ class PlaySetting extends StatelessWidget {
                 child: Container(
                   padding: const EdgeInsets.all(8.0),
                   color: Colors.black54,
-                  child: Text('To ' + stringForMins(data.item2),
+                  child: Text(s.to(stringForMins(data.item2)),
                       style: TextStyle(color: Colors.white)),
                 ),
               ),
@@ -255,7 +256,7 @@ class PlaySetting extends StatelessWidget {
                           onTap: () => settings.setAutoPlay = !data,
                           contentPadding:
                               EdgeInsets.only(left: 80.0, right: 20),
-                          title: Text('Auto play next'),
+                          title: Text(s.settingsMenuAutoPlay),
                           subtitle: Text(s.settingsAutoPlayDes),
                           trailing: Transform.scale(
                             scale: 0.9,
@@ -291,7 +292,7 @@ class PlaySetting extends StatelessWidget {
                         trailing: Selector<SettingState, int>(
                           selector: (_, settings) => settings.defaultSleepTimer,
                           builder: (_, data, __) => DropdownButton(
-                              hint: Text(data.toString() + 'mins'),
+                              hint: Text(s.minsCount(data)),
                               underline: Center(),
                               elevation: 1,
                               isDense: true,
@@ -301,8 +302,7 @@ class PlaySetting extends StatelessWidget {
                               items:
                                   minsToSelect.map<DropdownMenuItem<int>>((e) {
                                 return DropdownMenuItem<int>(
-                                    value: e,
-                                    child: Text(e.toString() + ' mins'));
+                                    value: e, child: Text(s.minsCount(e)));
                               }).toList()),
                         ),
                       ),
diff --git a/lib/settings/popup_menu.dart b/lib/settings/popup_menu.dart
index b7925b9..f46dacf 100644
--- a/lib/settings/popup_menu.dart
+++ b/lib/settings/popup_menu.dart
@@ -76,6 +76,7 @@ class _PopupMenuSettingState extends State<PopupMenuSetting> {
 
   @override
   Widget build(BuildContext context) {
+    final s = context.s;
     return AnnotatedRegion<SystemUiOverlayStyle>(
       value: SystemUiOverlayStyle(
         statusBarIconBrightness: Theme.of(context).accentColorBrightness,
@@ -109,7 +110,7 @@ class _PopupMenuSettingState extends State<PopupMenuSetting> {
                 height: 30.0,
                 padding: EdgeInsets.symmetric(horizontal: 80),
                 alignment: Alignment.centerLeft,
-                child: Text('Episode popup menu',
+                child: Text(s.settingsPopupMenu,
                     style: Theme.of(context)
                         .textTheme
                         .bodyText1
@@ -132,8 +133,8 @@ class _PopupMenuSettingState extends State<PopupMenuSetting> {
                                     LineIcons.play_circle_solid,
                                     color: context.accentColor,
                                   ),
-                                  text: 'Play',
-                                  description: 'Play the episode');
+                                  text: s.play,
+                                  description: s.popupMenuPlayDes);
                               break;
                             case 1:
                               return _popupMenuItem(menu, e,
@@ -141,15 +142,15 @@ class _PopupMenuSettingState extends State<PopupMenuSetting> {
                                     LineIcons.clock_solid,
                                     color: Colors.cyan,
                                   ),
-                                  text: 'Later',
-                                  description: 'Add episode to playlist');
+                                  text: s.later,
+                                  description: s.popupMenuLaterDes);
                               break;
                             case 2:
                               return _popupMenuItem(menu, e,
                                   icon: Icon(LineIcons.heart,
                                       color: Colors.red, size: 21),
-                                  text: 'Like',
-                                  description: 'Add episode to favorite');
+                                  text: s.like,
+                                  description: s.popupMenuLikeDes);
                               break;
                             case 3:
                               return _popupMenuItem(menu, e,
@@ -160,8 +161,8 @@ class _PopupMenuSettingState extends State<PopupMenuSetting> {
                                         painter: ListenedAllPainter(Colors.blue,
                                             stroke: 1.5)),
                                   ),
-                                  text: 'Mark Listened',
-                                  description: 'Mark episode as listened');
+                                  text: s.markListened,
+                                  description: s.popupMenuMarkDes);
                               break;
                             case 4:
                               return _popupMenuItem(menu, e,
@@ -169,8 +170,8 @@ class _PopupMenuSettingState extends State<PopupMenuSetting> {
                                     LineIcons.download_solid,
                                     color: Colors.green,
                                   ),
-                                  text: 'Download',
-                                  description: 'Download episode');
+                                  text: s.download,
+                                  description: s.popupMenuDownloadDes);
                               break;
                             default:
                               return Text('Text');
diff --git a/lib/settings/settting.dart b/lib/settings/settting.dart
index aedda0c..1c61c61 100644
--- a/lib/settings/settting.dart
+++ b/lib/settings/settting.dart
@@ -332,8 +332,7 @@ class _SettingsState extends State<Settings>
                               podcastFeature
                             });
                             Fluttertoast.showToast(
-                              msg:
-                                  'Discovery Feature Reopened, pleast restart the app',
+                              msg: s.toastDiscovery,
                               gravity: ToastGravity.BOTTOM,
                             );
                           },
diff --git a/lib/settings/storage.dart b/lib/settings/storage.dart
index a5a35aa..8e36bc6 100644
--- a/lib/settings/storage.dart
+++ b/lib/settings/storage.dart
@@ -213,22 +213,21 @@ class _StorageSettingState extends State<StorageSetting>
                             subtitle: Text(s.settingsAutoDeleteDes),
                             trailing: DropdownButton(
                                 hint: snapshot.data == -1
-                                    ? Text('Never')
-                                    : Text(snapshot.data.toString() + 'days'),
+                                    ? Text(s.daysCount(0))
+                                    : Text(s.daysCount(snapshot.data)),
                                 underline: Center(),
                                 elevation: 1,
                                 value: snapshot.data,
                                 onChanged: (value) async {
                                   await _setAutoDeleteDays(value);
                                 },
-                                //TODO remove 1 before release
                                 items: <int>[-1, 5, 10, 15, 30]
                                     .map<DropdownMenuItem<int>>((e) {
                                   return DropdownMenuItem<int>(
                                       value: e,
                                       child: e == -1
-                                          ? Text('Never')
-                                          : Text(e.toString() + ' days'));
+                                          ? Text(s.daysCount(0))
+                                          : Text(s.daysCount(e)));
                                 }).toList()),
                           );
                         },
diff --git a/lib/settings/syncing.dart b/lib/settings/syncing.dart
index 3e92339..dfba577 100644
--- a/lib/settings/syncing.dart
+++ b/lib/settings/syncing.dart
@@ -92,9 +92,7 @@ class SyncingSetting extends StatelessWidget {
                           title: Text(s.settingsUpdateInterval),
                           subtitle: Text(s.settingsUpdateIntervalDes),
                           trailing: DropdownButton(
-                              hint: data.item2 == 1
-                                  ? Text(data.item2.toString() + ' hour')
-                                  : Text(data.item2.toString() + ' hours'),
+                              hint: Text(s.hoursCount(data.item2)),
                               underline: Center(),
                               elevation: 1,
                               value: data.item2,
@@ -107,10 +105,7 @@ class SyncingSetting extends StatelessWidget {
                               items: <int>[1, 2, 4, 8, 24, 48]
                                   .map<DropdownMenuItem<int>>((e) {
                                 return DropdownMenuItem<int>(
-                                    value: e,
-                                    child: e == 1
-                                        ? Text(e.toString() + ' hour')
-                                        : Text(e.toString() + ' hours'));
+                                    value: e, child: Text(s.hoursCount(e)));
                               }).toList()),
                         ),
                         Divider(height: 2),
diff --git a/lib/util/episodegrid.dart b/lib/util/episodegrid.dart
index 69be382..19433b6 100644
--- a/lib/util/episodegrid.dart
+++ b/lib/util/episodegrid.dart
@@ -53,10 +53,10 @@ class EpisodeGrid extends StatelessWidget {
 
   Future<Tuple4<int, bool, bool, List<int>>> _initData(
       EpisodeBrief episode) async {
+    List<int> menuList = await _getEpisodeMenu();
     int listened = await _isListened(episode);
     bool liked = await _isLiked(episode);
     bool downloaded = await _isDownloaded(episode);
-    List<int> menuList = await _getEpisodeMenu();
     return Tuple4(listened, liked, downloaded, menuList);
   }