diff --git a/package.json b/package.json
index 3a85cea..b94cb30 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
     "html2canvas": "^1.0.0-rc.7",
     "immer": "^8.0.1",
     "joi": "^17.4.0",
+    "js-cookie": "^3.0.1",
     "localforage": "^1.9.0",
     "lodash": "^4.17.21",
     "mustache": "^4.2.0",
diff --git a/src/components/Announcement/Announcement.tsx b/src/components/Announcement/Announcement.tsx
index 9dda960..0e28744 100644
--- a/src/components/Announcement/Announcement.tsx
+++ b/src/components/Announcement/Announcement.tsx
@@ -5,6 +5,7 @@ import { useLocation } from 'react-use';
 import logo from '../../../assets/logos/libel.png';
 import { displayName } from '../../../package.json';
 import * as TEXTS from '../../constants/texts';
+import { dontShowAgain, promptDontShowAgain } from '../../helpers/announecement';
 import { isViewport, Viewport } from '../../helpers/responsive';
 import lihkgSelectors from '../../stylesheets/variables/lihkg/selectors.scss';
 import { IconName } from '../../types/icon';
@@ -14,6 +15,7 @@ import styles from './Announcement.scss';
 
 interface IProps extends React.HTMLAttributes<HTMLDivElement> {
   icon?: IconName;
+  forced?: boolean;
 }
 
 const announcementElements: HTMLDivElement[] = [];
@@ -38,12 +40,15 @@ const updateLayout = () => {
 };
 
 const Announcement: React.FunctionComponent<IProps> = (props) => {
-  const { className, icon, children } = props;
+  const { id, className, icon, forced = false, children } = props;
   const [showed, setShowed] = useState(true);
 
   const handleClose: React.MouseEventHandler<HTMLButtonElement> = (event) => {
     event.preventDefault();
     setShowed(false);
+    if (id && !forced && promptDontShowAgain()) {
+      dontShowAgain(id, 7);
+    }
   };
 
   const announcementRef = useRef<HTMLDivElement>(null);
diff --git a/src/components/NewVersionAnnouncement/NewVersionAnnouncement.tsx b/src/components/NewVersionAnnouncement/NewVersionAnnouncement.tsx
index 383227a..abf84ba 100644
--- a/src/components/NewVersionAnnouncement/NewVersionAnnouncement.tsx
+++ b/src/components/NewVersionAnnouncement/NewVersionAnnouncement.tsx
@@ -22,7 +22,7 @@ const NewVersionAnnouncement: React.FunctionComponent<IProps> = (props) => {
   const oldVersionMessage = render(versionUpdate.oldVersionMessage, { currentVersion });
   const newVersionMessage = render(versionUpdate.newVersionMessage, { newVersion });
   return (
-    <Announcement className={styles.newVersionAnnouncement} icon={IconName.InfoFill}>
+    <Announcement className={styles.newVersionAnnouncement} icon={IconName.InfoFill} forced>
       <strong>
         <a href={userScriptURL} target="_blank">{newVersionMessage}</a>
       </strong>
diff --git a/src/constants/storage.ts b/src/constants/storage.ts
index b8113f7..900d909 100644
--- a/src/constants/storage.ts
+++ b/src/constants/storage.ts
@@ -4,5 +4,3 @@ export const DRAFTS_KEY = 'drafts';
 export const DEPRECATED_LOCAL_STORAGE_DATA_KEYS = [
   'LIHKG-Label-Users-data'
 ];
-
-export const ANNOUNCEMENTS_KEY = 'LIHKG-Announcements';
diff --git a/src/constants/texts.ts b/src/constants/texts.ts
index fbb749c..27d60bc 100644
--- a/src/constants/texts.ts
+++ b/src/constants/texts.ts
@@ -52,6 +52,7 @@ export const SUBSCRIPTION_VALIDATION_ERROR = '標籤名單格式錯誤，無法
 // announcement
 export const CHANGE_LOG = '更新內容';
 export const ANNOUNCEMENT_CLOSE_BUTTON_TEXT = '關閉公告';
+export const ANNOUNCEMENT_DONT_SHOW_AGAIN_QUESTION = '七天內不再顯示此公告？';
 
 // info
 export const SOURCE_CODE = 'Source code';
diff --git a/src/helpers/announecement.ts b/src/helpers/announecement.ts
new file mode 100644
index 0000000..56c1342
--- /dev/null
+++ b/src/helpers/announecement.ts
@@ -0,0 +1,25 @@
+import { namespace } from '../../package.json';
+import { ANNOUNCEMENT_DONT_SHOW_AGAIN_QUESTION } from './../constants/texts';
+import * as cookies from './cookies';
+
+const prefix = `${namespace}-announcement-read-receipt`;
+
+const getCookieName = (id: string) => {
+  const name = `${prefix}-${id}`;
+  return name;
+};
+
+export const hasRead = (id: string) => {
+  const name = getCookieName(id);
+  const value = cookies.get<boolean>(name);
+  return value || false;
+};
+
+export const dontShowAgain = (id: string, expires: number) => {
+  const name = getCookieName(id);
+  cookies.set(name, true, { expires });
+};
+
+export const promptDontShowAgain = () => {
+  return window.confirm(ANNOUNCEMENT_DONT_SHOW_AGAIN_QUESTION);
+};
diff --git a/src/helpers/cookies.ts b/src/helpers/cookies.ts
new file mode 100644
index 0000000..d214ab5
--- /dev/null
+++ b/src/helpers/cookies.ts
@@ -0,0 +1,15 @@
+import Cookies, { CookieAttributes } from 'js-cookie';
+
+export const get = <T> (name: string): T | undefined => {
+  const json = Cookies.get(name);
+  return json && JSON.parse(json);
+};
+
+export const set = <T> (name: string, value: T, options?: CookieAttributes) => {
+  const _options = {
+    expires: 7,
+    ...options
+  };
+  const json = JSON.stringify(value);
+  return Cookies.set(name, json, _options);
+};
diff --git a/src/models/App.tsx b/src/models/App.tsx
index b5dd4e5..ab6fe41 100644
--- a/src/models/App.tsx
+++ b/src/models/App.tsx
@@ -5,6 +5,7 @@ import Announcement from '../components/Announcement/Announcement';
 import NewVersionAnnouncement from '../components/NewVersionAnnouncement/NewVersionAnnouncement';
 import * as ATTRIBUTES from '../constants/attributes';
 import * as REGEXES from '../constants/regexes';
+import { hasRead } from '../helpers/announecement';
 import * as LIHKG from '../helpers/lihkg';
 import { checkUpdate } from '../helpers/version';
 import { intercept } from '../helpers/xhr';
@@ -126,10 +127,10 @@ class App {
       const announcements = await fetchAnnouncements();
       const now = Date.now();
       for (const announcement of announcements) {
-        const { icon, body, endAt } = announcement;
-        if (!endAt || now <= endAt) {
+        const { id, icon, body, endAt } = announcement;
+        if ((!id || !hasRead(id)) && (!endAt || now <= endAt)) {
           LIHKG.renderAnnouncement(
-            <Announcement icon={icon}>
+            <Announcement id={id} icon={icon}>
               <span dangerouslySetInnerHTML={{ __html: body }} />
             </Announcement>
           );
diff --git a/src/types/announcement.ts b/src/types/announcement.ts
index 2332d94..90a3c46 100644
--- a/src/types/announcement.ts
+++ b/src/types/announcement.ts
@@ -1,6 +1,7 @@
 import { IconName } from './icon';
 
 export interface IAnnouncement {
+  id?: string; // added in 1.0.18
   icon?: IconName;
   body: string;
   endAt?: number;
diff --git a/yarn.lock b/yarn.lock
index fe9e7df..8d87f7b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3420,6 +3420,11 @@ js-cookie@^2.2.1:
   resolved "https://registry.yarnpkg.com/js-cookie/-/js-cookie-2.2.1.tgz#69e106dc5d5806894562902aa5baec3744e9b2b8"
   integrity sha512-HvdH2LzI/EAZcUwA8+0nKNtWHqS+ZmijLA30RwZA0bo7ToCckjK5MkGhjED9KoRcXO6BaGI3I9UIzSA1FKFPOQ==
 
+js-cookie@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/js-cookie/-/js-cookie-3.0.1.tgz#9e39b4c6c2f56563708d7d31f6f5f21873a92414"
+  integrity sha512-+0rgsUXZu4ncpPxRL+lNEptWMOWl9etvPHc/koSRp6MPwpRYAhmk0dUG00J4bxVV3r9uUzfo24wW0knS07SKSw==
+
 js-sha3@0.8.0:
   version "0.8.0"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"