diff --git a/.env.template b/.env.template
index d353f535f40..00b5f16e438 100644
--- a/.env.template
+++ b/.env.template
@@ -77,8 +77,5 @@ HITOKOTO_URL=
 ###(optional) 侧边栏logo地址，默认是原图标
 HEADER_LOGO_URL=
 
-###(optional) 公告，支持markdown语法
-ANNOUNCEMENT="## 新模型
-* grok-beta: 来源XAI，马斯克的大模型。
-* gemini-exp-1114: 来源Google，听说当今第一模型？
-"
+###(optional) 公告路径，支持markdown语法
+ANNOUNCEMENT_PATH=
diff --git a/README.md b/README.md
index 3b7b5bd34a2..c807bf7e9bb 100644
--- a/README.md
+++ b/README.md
@@ -27,5 +27,4 @@
 - [one-api](https://github.com/songquanpeng/one-api): 一站式大模型额度管理平台，支持市面上所有主流大语言模型
 - [new-api](https://github.com/Calcium-Ion/new-api):在One API的基础上进行二次开发.
 ## 开源协议
-
 [MIT](https://opensource.org/license/mit/)
diff --git a/app/api/config/route.ts b/app/api/config/route.ts
index 1cf2f36b1ec..c7eb6114511 100644
--- a/app/api/config/route.ts
+++ b/app/api/config/route.ts
@@ -17,7 +17,6 @@ const DANGER_CONFIG = {
   title: sidebarConfig.title,
   hitokotoUrl: sidebarConfig.hitokotoUrl,
   headerLogoUrl: sidebarConfig.headerLogoUrl,
-  announcement: sidebarConfig.announcement,
 };
 
 declare global {
diff --git a/app/api/readFile/route.ts b/app/api/readFile/route.ts
index f17d115ce0e..0a2339e6328 100644
--- a/app/api/readFile/route.ts
+++ b/app/api/readFile/route.ts
@@ -1,13 +1,17 @@
 import fs from "fs/promises";
+import crypto from "crypto";
 import { NextResponse } from "next/server";
+function generateHash(input: string) {
+  return crypto.createHash("sha256").update(input).digest("hex");
+}
 async function handler(req: any, res: any) {
   // 定义文件路径
   if (process.env.ANNOUNCEMENT_PATH) {
     const filePath = process.env.ANNOUNCEMENT_PATH;
     const data = await fs.readFile(filePath, "utf8");
-    return NextResponse.json({ content: data });
+    return NextResponse.json({ content: data, hash: generateHash(data) });
   }
-  return NextResponse.json({ content: "" });
+  return NextResponse.json({ content: "", hash: "" });
 }
 export const GET = handler;
 export const POST = handler;
diff --git a/app/components/chat.tsx b/app/components/chat.tsx
index e6f681a8b49..fb3b0e55702 100644
--- a/app/components/chat.tsx
+++ b/app/components/chat.tsx
@@ -939,22 +939,10 @@ export function ShortcutKeyModal(props: { onClose: () => void }) {
   );
 }
 
-export function AnnouncementModal(props: { onClose: () => void }) {
-  const announcement = useRef("");
-  const fetchData = async () => {
-    const response = await fetch("/api/readFile", { method: "GET" });
-    const data = await response.json();
-    if (data.content) {
-      console.log(data.content);
-      announcement.current = data.content;
-    } else {
-      console.error("Failed to fetch file content");
-    }
-  };
-  // const { announcement } = useAccessStore();
-  useEffect(() => {
-    fetchData();
-  }, []);
+export function AnnouncementModal(props: {
+  announcement: string;
+  onClose: () => void;
+}) {
   return (
     <div className="modal-mask">
       <Modal
@@ -973,7 +961,7 @@ export function AnnouncementModal(props: { onClose: () => void }) {
         ]}
       >
         <div>
-          <Markdown content={announcement.current}></Markdown>
+          <Markdown content={props.announcement}></Markdown>
         </div>
       </Modal>
     </div>
@@ -1655,13 +1643,28 @@ function _Chat() {
 
   const [showAnnouncementModal, setShowAnnouncementModal] = useState(false);
   let hasNewAnnouncement = useRef(false);
+  const announcement = useRef("");
+  const announcementHash = useRef("");
+  const localAnnounceHash = useAppConfig().announcementHash;
+  const refreshAnnouncementHash = useAppConfig().refreshAnnouncementHash;
   // 通过识别远程和本地公告来在按钮右上角加圆点
-  let remoteAnnounce = useAccessStore().announcement;
-  let localAnnounce = useAppConfig().announcement;
-  const refreshAnnouncement = useAppConfig().refreshAnnouncement;
-  if (remoteAnnounce !== localAnnounce) {
-    hasNewAnnouncement.current = true;
-  }
+  const fetchData = async () => {
+    const response = await fetch("/api/readFile", { method: "GET" });
+    const data = await response.json();
+    if (data.content) {
+      announcement.current = data.content;
+      announcementHash.current = data.hash;
+      if (data.hash !== localAnnounceHash) {
+        hasNewAnnouncement.current = true;
+        refreshAnnouncementHash(announcementHash.current);
+      }
+    } else {
+      console.error("Failed to fetch file content");
+    }
+  };
+  useEffect(() => {
+    fetchData();
+  });
 
   return (
     <>
@@ -1754,7 +1757,6 @@ function _Chat() {
                 onClick={() => {
                   setShowAnnouncementModal(true);
                   hasNewAnnouncement.current = false;
-                  refreshAnnouncement(remoteAnnounce);
                 }}
               />
             </div>
@@ -2143,7 +2145,10 @@ function _Chat() {
         />
       )}
       {showAnnouncementModal && (
-        <AnnouncementModal onClose={() => setShowAnnouncementModal(false)} />
+        <AnnouncementModal
+          announcement={announcement.current}
+          onClose={() => setShowAnnouncementModal(false)}
+        />
       )}
       {showShortcutKeyModal && (
         <ShortcutKeyModal onClose={() => setShowShortcutKeyModal(false)} />
diff --git a/app/config/server.ts b/app/config/server.ts
index c0b69917dc3..73e6cd6dd50 100644
--- a/app/config/server.ts
+++ b/app/config/server.ts
@@ -84,7 +84,6 @@ declare global {
       HITOKOTO_URL?: string;
       SIDEBAR_TITLE?: string;
       HEADER_LOGO_URL?: string;
-      ANNOUNCEMENT?: string;
       ANNOUNCEMENT_PATH?: string;
     }
   }
@@ -123,7 +122,6 @@ export const getSidebarConfig = () => {
     title: process.env.SIDEBAR_TITLE ?? "Next Web",
     hitokotoUrl: process.env.HITOKOTO_URL ?? "https://v1.hitokoto.cn",
     headerLogoUrl: process.env.HEADER_LOGO_URL ?? "",
-    announcement: process.env.ANNOUNCEMENT ?? "",
   };
 };
 export const getServerSideConfig = () => {
diff --git a/app/store/access.ts b/app/store/access.ts
index 575c2a2249b..b733ce097d2 100644
--- a/app/store/access.ts
+++ b/app/store/access.ts
@@ -127,7 +127,6 @@ const DEFAULT_ACCESS_STATE = {
   title: "",
   hitokotoUrl: "",
   headerLogoUrl: "",
-  announcement: "",
   // tts config
   edgeTTSVoiceName: "zh-CN-YunxiNeural",
 };
diff --git a/app/store/config.ts b/app/store/config.ts
index e607fdf86cf..79ff9c21112 100644
--- a/app/store/config.ts
+++ b/app/store/config.ts
@@ -40,7 +40,7 @@ const config = getClientConfig();
 
 export const DEFAULT_CONFIG = {
   lastUpdate: Date.now(), // timestamp, to merge state
-  announcement: "",
+  announcementHash: "",
   submitKey: SubmitKey.Enter,
   avatar: "1f603",
   fontSize: 14,
@@ -62,7 +62,6 @@ export const DEFAULT_CONFIG = {
 
   customModels: "",
   models: DEFAULT_MODELS as any as LLMModel[],
-
   modelConfig: {
     model: "gpt-4o-mini" as ModelType,
     providerName: "OpenAI" as ServiceProvider,
@@ -167,9 +166,9 @@ export const useAppConfig = createPersistStore(
     reset() {
       set(() => ({ ...DEFAULT_CONFIG }));
     },
-    refreshAnnouncement(ann: string) {
+    refreshAnnouncementHash(hash: string) {
       set(() => ({
-        announcement: ann,
+        announcementHash: hash,
       }));
     },
     mergeModels(newModels: LLMModel[]) {