diff --git a/src/components/context-menu.tsx b/src/components/context-menu.tsx
index 0836725..d5200bf 100644
--- a/src/components/context-menu.tsx
+++ b/src/components/context-menu.tsx
@@ -18,6 +18,7 @@ export type ContextMenuProps = ContextReduxProps & {
     text?: string
     viewType?: ViewType
     filter?: FeedFilter
+    sids?: number[]
     showItem: (feedId: string, item: RSSItem) => void
     markRead: (item: RSSItem) => void
     markUnread: (item: RSSItem) => void
@@ -26,6 +27,8 @@ export type ContextMenuProps = ContextReduxProps & {
     switchView: (viewType: ViewType) => void
     switchFilter: (filter: FeedFilter) => void
     toggleFilter: (filter: FeedFilter) => void
+    markAllRead: (sids: number[]) =>  void
+    settings: () => void
     close: () => void
 }
 
@@ -173,6 +176,20 @@ export class ContextMenu extends React.Component<ContextMenuProps> {
                     onClick: () => this.props.toggleFilter(FeedFilter.ShowHidden)
                 }
             ]
+            case ContextMenuType.Group: return [
+                {
+                    key: "markAllRead",
+                    text: intl.get("nav.markAllRead"),
+                    iconProps: { iconName: "CheckMark" },
+                    onClick: () => this.props.markAllRead(this.props.sids)
+                },
+                {
+                    key: "manage",
+                    text: intl.get("context.manageSources"),
+                    iconProps: { iconName: "Settings" },
+                    onClick: this.props.settings
+                }
+            ]
             default: return []
         }
     }
diff --git a/src/components/menu.tsx b/src/components/menu.tsx
index fa0e888..0a4db3d 100644
--- a/src/components/menu.tsx
+++ b/src/components/menu.tsx
@@ -16,7 +16,8 @@ export type MenuProps = {
     toggleMenu: () => void,
     allArticles: () => void,
     selectSourceGroup: (group: SourceGroup, menuKey: string) => void,
-    selectSource: (source: RSSSource) => void
+    selectSource: (source: RSSSource) => void,
+    groupContextMenu: (sids: number[], event: React.MouseEvent) => void,
 }
 
 export class Menu extends React.Component<MenuProps> {
@@ -80,9 +81,20 @@ export class Menu extends React.Component<MenuProps> {
         }
     })
 
+    onContext = (item: INavLink, event: React.MouseEvent) => {
+        let sids: number[]
+        let [type, index] = item.key.split("-")
+        if (type === "s") {
+            sids = [parseInt(index)]
+        } else {
+            sids = this.props.groups[parseInt(index)].sids
+        }
+        this.props.groupContextMenu(sids, event)
+    }
+
     _onRenderLink = (link: INavLink): JSX.Element => {
         return (
-            <Stack className="link-stack" horizontal grow>
+            <Stack className="link-stack" horizontal grow onContextMenu={event => this.onContext(link, event)}>
                 <div className="link-text">{link.name}</div>
                 {link.ariaLabel !== "0" && <div className="unread-count">{link.ariaLabel}</div>}
             </Stack>
diff --git a/src/components/nav.tsx b/src/components/nav.tsx
index 2c3aab3..827f2e4 100644
--- a/src/components/nav.tsx
+++ b/src/components/nav.tsx
@@ -12,7 +12,8 @@ type NavProps = {
     menu: () => void,
     logs: () => void,
     views: () => void,
-    settings: () => void
+    settings: () => void,
+    markAllRead: () => void
 }
 
 type NavState = {
@@ -90,7 +91,9 @@ class Nav extends React.Component<NavProps, NavState> {
                         title={intl.get("nav.refresh")}>
                         <Icon iconName="Refresh" />
                     </a>
-                    <a className="btn" title={intl.get("nav.markAllRead")}>
+                    <a className="btn" 
+                        onClick={this.props.markAllRead}
+                        title={intl.get("nav.markAllRead")}>
                         <Icon iconName="InboxCheck" />
                     </a>
                     <a className="btn" 
diff --git a/src/containers/context-menu-container.tsx b/src/containers/context-menu-container.tsx
index e32edf0..59a43c7 100644
--- a/src/containers/context-menu-container.tsx
+++ b/src/containers/context-menu-container.tsx
@@ -1,9 +1,9 @@
 import { connect } from "react-redux"
 import { createSelector } from "reselect"
 import { RootState } from "../scripts/reducer"
-import { ContextMenuType, closeContextMenu } from "../scripts/models/app"
+import { ContextMenuType, closeContextMenu, toggleSettings } from "../scripts/models/app"
 import { ContextMenu } from "../components/context-menu"
-import { RSSItem, markRead, markUnread, toggleStarred, toggleHidden } from "../scripts/models/item"
+import { RSSItem, markRead, markUnread, toggleStarred, toggleHidden, markAllRead } from "../scripts/models/item"
 import { showItem, switchView, ViewType, switchFilter, toggleFilter } from "../scripts/models/page"
 import { setDefaultView } from "../scripts/settings"
 import { FeedFilter } from "../scripts/models/feed"
@@ -33,6 +33,11 @@ const mapStateToProps = createSelector(
                 viewType: viewType,
                 filter: filter
             }
+            case ContextMenuType.Group: return {
+                type: context.type,
+                event: context.event,
+                sids: context.target
+            }
             default: return { type: ContextMenuType.Hidden }
         }
     }
@@ -57,6 +62,8 @@ const mapDispatchToProps = dispatch => {
         },
         switchFilter: (filter: FeedFilter) => dispatch(switchFilter(filter)),
         toggleFilter: (filter: FeedFilter) => dispatch(toggleFilter(filter)),
+        markAllRead: (sids: number[]) => dispatch(markAllRead(sids)),
+        settings: () => dispatch(toggleSettings()),
         close: () => dispatch(closeContextMenu())
     }
 }
diff --git a/src/containers/menu-container.tsx b/src/containers/menu-container.tsx
index dabe502..441e116 100644
--- a/src/containers/menu-container.tsx
+++ b/src/containers/menu-container.tsx
@@ -2,7 +2,7 @@ import { connect } from "react-redux"
 import { createSelector } from "reselect"
 import { RootState } from "../scripts/reducer"
 import { Menu } from "../components/menu"
-import { toggleMenu } from "../scripts/models/app"
+import { toggleMenu, openGroupMenu } from "../scripts/models/app"
 import { SourceGroup } from "../scripts/models/group"
 import { selectAllArticles, selectSources } from "../scripts/models/page"
 import { initFeeds } from "../scripts/models/feed"
@@ -36,6 +36,9 @@ const mapDispatchToProps = dispatch => ({
     selectSource: (source: RSSSource) => {
         dispatch(selectSources([source.sid], "s-"+source.sid, source.name))
         dispatch(initFeeds())
+    },
+    groupContextMenu: (sids: number[], event: React.MouseEvent) => {
+        dispatch(openGroupMenu(sids, event))
     }
 })
 
diff --git a/src/containers/nav-container.tsx b/src/containers/nav-container.tsx
index 10953a4..5048ba9 100644
--- a/src/containers/nav-container.tsx
+++ b/src/containers/nav-container.tsx
@@ -1,7 +1,9 @@
+import { remote } from "electron"
+import intl = require("react-intl-universal")
 import { connect } from "react-redux"
 import { createSelector } from "reselect"
 import { RootState } from "../scripts/reducer"
-import { fetchItems } from "../scripts/models/item"
+import { fetchItems, markAllRead } from "../scripts/models/item"
 import { toggleMenu, toggleLogMenu, toggleSettings, openViewMenu } from "../scripts/models/app"
 import { ViewType } from "../scripts/models/page"
 import Nav from "../components/nav"
@@ -22,7 +24,20 @@ const mapDispatchToProps = (dispatch) => ({
     menu: () => dispatch(toggleMenu()),
     logs: () => dispatch(toggleLogMenu()),
     views: () => dispatch(openViewMenu()),
-    settings: () => dispatch(toggleSettings())
+    settings: () => dispatch(toggleSettings()),
+    markAllRead: () => {
+        remote.dialog.showMessageBox(remote.getCurrentWindow(), {
+            title: intl.get("nav.markAllRead"),
+            message: intl.get("confirmMarkAll"),
+            buttons: process.platform === "win32" ? ["Yes", "No"] : [intl.get("confirm"), intl.get("cancel")],
+            defaultId: 0,
+            cancelId: 1
+        }).then(response => {
+            if (response.response === 0) {
+                dispatch(markAllRead())
+            }
+        })
+    }
 })
 
 const NavContainer = connect(mapStateToProps, mapDispatchToProps)(Nav)
diff --git a/src/scripts/i18n/en-US.json b/src/scripts/i18n/en-US.json
index ddd2eb3..d621efc 100644
--- a/src/scripts/i18n/en-US.json
+++ b/src/scripts/i18n/en-US.json
@@ -12,6 +12,9 @@
     "search": "Search",
     "loadMore": "Load more",
     "dangerButton": "Confirm {action}?",
+    "confirmMarkAll": "Do you really want to mark all articles on this page as read?",
+    "confirm": "Confirm",
+    "cancel": "Cancel",
     "log": {
         "empty": "No notifications",
         "fetchFailure": "Failed to load source \"{name}\".",
@@ -53,7 +56,8 @@
         "filter": "Filtering",
         "unreadOnly": "Unread only",
         "starredOnly": "Starred only",
-        "showHidden": "Show hidden articles"
+        "showHidden": "Show hidden articles",
+        "manageSources": "Manage sources"
     },
     "settings": {
         "name": "Settings",
diff --git a/src/scripts/i18n/zh-CN.json b/src/scripts/i18n/zh-CN.json
index 4187b0d..4bde838 100644
--- a/src/scripts/i18n/zh-CN.json
+++ b/src/scripts/i18n/zh-CN.json
@@ -12,6 +12,9 @@
     "search": "搜索",
     "loadMore": "加载更多",
     "dangerButton": "确认{action}？",
+    "confirmMarkAll": "确认将本页所有文章标为已读？",
+    "confirm": "确认",
+    "cancel": "取消",
     "log": {
         "empty": "无消息",
         "fetchFailure": "无法加载订阅源“{name}”",
@@ -53,7 +56,8 @@
         "filter": "筛选",
         "unreadOnly": "仅未读文章",
         "starredOnly": "仅星标文章",
-        "showHidden": "显示隐藏文章"
+        "showHidden": "显示隐藏文章",
+        "manageSources": "管理订阅源"
     },
     "settings": {
         "name": "选项",
diff --git a/src/scripts/models/app.ts b/src/scripts/models/app.ts
index 6cd17c9..e2e6017 100644
--- a/src/scripts/models/app.ts
+++ b/src/scripts/models/app.ts
@@ -9,7 +9,7 @@ import { getCurrentLocale, setLocaleSettings } from "../settings"
 import locales from "../i18n/_locales"
 
 export enum ContextMenuType {
-    Hidden, Item, Text, View
+    Hidden, Item, Text, View, Group
 }
 
 export enum AppLogType {
@@ -55,7 +55,7 @@ export class AppState {
         type: ContextMenuType,
         event?: MouseEvent | string,
         position?: [number, number],
-        target?: [RSSItem, string] | RSSSource | string
+        target?: [RSSItem, string] | number[] | string
     }
 
     constructor() {
@@ -69,6 +69,7 @@ export const CLOSE_CONTEXT_MENU = "CLOSE_CONTEXT_MENU"
 export const OPEN_ITEM_MENU = "OPEN_ITEM_MENU"
 export const OPEN_TEXT_MENU = "OPEN_TEXT_MENU"
 export const OPEN_VIEW_MENU = "OPEN_VIEW_MENU"
+export const OPEN_GROUP_MENU = "OPEN_GROUP_MENU"
 
 interface CloseContextMenuAction {
     type: typeof CLOSE_CONTEXT_MENU
@@ -91,7 +92,14 @@ interface OpenViewMenuAction {
     type: typeof OPEN_VIEW_MENU
 }
 
-export type ContextMenuActionTypes = CloseContextMenuAction | OpenItemMenuAction | OpenTextMenuAction | OpenViewMenuAction
+interface OpenGroupMenuAction {
+    type: typeof OPEN_GROUP_MENU
+    event: MouseEvent
+    sids: number[]
+}
+
+export type ContextMenuActionTypes = CloseContextMenuAction | OpenItemMenuAction 
+    | OpenTextMenuAction | OpenViewMenuAction | OpenGroupMenuAction
 
 export const TOGGLE_LOGS = "TOGGLE_LOGS"
 export interface LogMenuActionType { type: typeof TOGGLE_LOGS }
@@ -132,6 +140,14 @@ export function openTextMenu(text: string, position: [number, number]): ContextM
 
 export const openViewMenu = (): ContextMenuActionTypes => ({ type: OPEN_VIEW_MENU })
 
+export function openGroupMenu(sids: number[], event: React.MouseEvent): ContextMenuActionTypes {
+    return {
+        type: OPEN_GROUP_MENU,
+        event: event.nativeEvent,
+        sids: sids
+    }
+}
+
 export const toggleMenu = () => ({ type: TOGGLE_MENU })
 export const toggleLogMenu = () => ({ type: TOGGLE_LOGS })
 export const toggleSettings = () => ({ type: TOGGLE_SETTINGS })
@@ -331,6 +347,14 @@ export function appReducer(
                 event: "#view-toggle"
             }
         }
+        case OPEN_GROUP_MENU: return {
+            ...state,
+            contextMenu: {
+                type: ContextMenuType.Group,
+                event: action.event,
+                target: action.sids
+            }
+        }
         case TOGGLE_MENU: return {
             ...state,
             menu: !state.menu
diff --git a/src/scripts/models/item.ts b/src/scripts/models/item.ts
index 0568ac9..cb221fe 100644
--- a/src/scripts/models/item.ts
+++ b/src/scripts/models/item.ts
@@ -1,7 +1,7 @@
 import * as db from "../db"
 import { rssParser, domParser, htmlDecode, ActionStatus, AppThunk } from "../utils"
 import { RSSSource } from "./source"
-import { FeedActionTypes, INIT_FEED, LOAD_MORE } from "./feed"
+import { FeedActionTypes, INIT_FEED, LOAD_MORE, FeedFilter } from "./feed"
 import Parser = require("@yang991178/rss-parser")
 
 export class RSSItem {
@@ -55,6 +55,7 @@ export type ItemState = {
 
 export const FETCH_ITEMS = 'FETCH_ITEMS'
 export const MARK_READ = "MARK_READ"
+export const MARK_ALL_READ = "MARK_ALL_READ"
 export const MARK_UNREAD = "MARK_UNREAD"
 export const TOGGLE_STARRED = "TOGGLE_STARRED"
 export const TOGGLE_HIDDEN = "TOGGLE_HIDDEN"
@@ -73,6 +74,11 @@ interface MarkReadAction {
     item: RSSItem
 }
 
+interface MarkAllReadAction {
+    type: typeof MARK_ALL_READ,
+    sids: number[]
+}
+
 interface MarkUnreadAction {
     type: typeof MARK_UNREAD
     item: RSSItem
@@ -88,7 +94,8 @@ interface ToggleHiddenAction {
     item: RSSItem
 }
 
-export type ItemActionTypes = FetchItemsAction | MarkReadAction | MarkUnreadAction | ToggleStarredAction | ToggleHiddenAction
+export type ItemActionTypes = FetchItemsAction | MarkReadAction | MarkAllReadAction | MarkUnreadAction 
+    | ToggleStarredAction | ToggleHiddenAction
 
 export function fetchItemsRequest(fetchCount = 0): ItemActionTypes {
     return {
@@ -174,6 +181,11 @@ const markReadDone = (item: RSSItem): ItemActionTypes => ({
     item: item 
 })
 
+const markAllReadDone = (sids: number[]): ItemActionTypes => ({
+    type: MARK_ALL_READ,
+    sids: sids
+})
+
 const markUnreadDone = (item: RSSItem): ItemActionTypes => ({ 
     type: MARK_UNREAD, 
     item: item 
@@ -181,15 +193,37 @@ const markUnreadDone = (item: RSSItem): ItemActionTypes => ({
 
 export function markRead(item: RSSItem): AppThunk {
     return (dispatch) => {
-        db.idb.update({ _id: item._id }, { $set: { hasRead: true } })
-        dispatch(markReadDone(item))
+        if (!item.hasRead) {
+            db.idb.update({ _id: item._id }, { $set: { hasRead: true } })
+            dispatch(markReadDone(item))
+        }
+    }
+}
+
+export function markAllRead(sids: number[] = null): AppThunk {
+    return (dispatch, getState) => {
+        if (sids === null) {
+            let state = getState()
+            let feed = state.feeds[state.page.feedId]
+            sids = feed.sids
+        }
+        let query = { source: { $in: sids } }
+        db.idb.update(query, { $set: { hasRead: true } }, { multi: true }, (err) => {
+            if (err) {
+                console.log(err)
+            } else {
+                dispatch(markAllReadDone(sids))
+            }
+        })
     }
 }
 
 export function markUnread(item: RSSItem): AppThunk {
     return (dispatch) => {
-        db.idb.update({ _id: item._id }, { $set: { hasRead: false } })
-        dispatch(markUnreadDone(item))
+        if (item.hasRead) {
+            db.idb.update({ _id: item._id }, { $set: { hasRead: false } })
+            dispatch(markUnreadDone(item))
+        }
     }
 }
 
@@ -272,6 +306,21 @@ export function itemReducer(
                 [action.item._id]: applyItemReduction(action.item, action.type)
             }
         }
+        case MARK_ALL_READ: {
+            let nextState = {} as ItemState
+            let sids = new Set(action.sids)
+            for (let [id, item] of Object.entries(state)) {
+                if (sids.has(item.source) && !item.hasRead) {
+                    nextState[id] = {
+                        ...item,
+                        hasRead: true
+                    }
+                } else {
+                    nextState[id] = item
+                }
+            }
+            return nextState
+        }
         case LOAD_MORE:
         case INIT_FEED: {
             switch (action.status) {
diff --git a/src/scripts/models/source.ts b/src/scripts/models/source.ts
index b593531..fb1807a 100644
--- a/src/scripts/models/source.ts
+++ b/src/scripts/models/source.ts
@@ -1,7 +1,7 @@
 import Parser = require("@yang991178/rss-parser")
 import * as db from "../db"
 import { rssParser, faviconPromise, ActionStatus, AppThunk } from "../utils"
-import { RSSItem, insertItems, ItemActionTypes, FETCH_ITEMS, MARK_READ, MARK_UNREAD } from "./item"
+import { RSSItem, insertItems, ItemActionTypes, FETCH_ITEMS, MARK_READ, MARK_UNREAD, MARK_ALL_READ } from "./item"
 import { SourceGroup } from "./group"
 import { saveSettings } from "./app"
 
@@ -331,15 +331,15 @@ export function sourceReducer(
                             updateMap.has(item.source) ? (updateMap.get(item.source) + 1) : 1)
                     }
                     let nextState = {} as SourceState
-                    for (let s in state) {
+                    for (let [s, source] of Object.entries(state)) {
                         let sid = parseInt(s)
                         if (updateMap.has(sid)) {
                             nextState[sid] = {
-                                ...state[sid],
-                                unreadCount: state[sid].unreadCount + updateMap.get(sid)
+                                ...source,
+                                unreadCount: source.unreadCount + updateMap.get(sid)
                             } as RSSSource
                         } else {
-                            nextState[sid] = state[sid]
+                            nextState[sid] = source
                         }
                     }
                     return nextState
@@ -355,6 +355,22 @@ export function sourceReducer(
                 unreadCount: state[action.item.source].unreadCount + (action.type === MARK_UNREAD ? 1 : -1)
             } as RSSSource
         }
+        case MARK_ALL_READ: {
+            let nextState = {} as SourceState
+            let sids = new Set(action.sids)
+            for (let [s, source] of Object.entries(state)) {
+                let sid = parseInt(s)
+                if (sids.has(sid) && source.unreadCount > 0) {
+                    nextState[sid] = {
+                        ...source,
+                        unreadCount: 0
+                    } as RSSSource
+                } else {
+                    nextState[sid] = source
+                }
+            }
+            return nextState
+        }
         default: return state
     }
 }
\ No newline at end of file