diff --git a/client/web/src/components/GlobalAnnouncementBar.tsx b/client/web/src/components/GlobalAnnouncementBar.tsx
index 8f405e31..20607750 100644
--- a/client/web/src/components/GlobalAnnouncementBar.tsx
+++ b/client/web/src/components/GlobalAnnouncementBar.tsx
@@ -18,8 +18,8 @@ export const GlobalAnnouncementBar: React.FC = React.memo(() => {
   }
 
   return (
-    <div className="text-center bg-indigo-400 text-white relative">
-      {announcementInfo.text}
+    <div className="text-center bg-indigo-400 text-white relative px-6">
+      <span className="select-text">{announcementInfo.text}</span>
 
       {announcementInfo.link && (
         <Button
diff --git a/client/web/src/plugin/common/index.ts b/client/web/src/plugin/common/index.ts
index a7629a21..99593f28 100644
--- a/client/web/src/plugin/common/index.ts
+++ b/client/web/src/plugin/common/index.ts
@@ -70,6 +70,7 @@ export {
   useConverseMessageContext,
   loginWithToken,
   useWatch,
+  parseUrlStr,
 } from 'tailchat-shared';
 
 export { navigate } from '@/components/AppRouterApi';
diff --git a/server/admin/src/client/i18n.ts b/server/admin/src/client/i18n.ts
index d5f05875..906bf7d8 100644
--- a/server/admin/src/client/i18n.ts
+++ b/server/admin/src/client/i18n.ts
@@ -82,6 +82,7 @@ export const i18n: TushanContextProps['i18n'] = {
           },
           'system-notify': {
             create: 'Create System Notify',
+            tip: 'The system notification will be sent to the corresponding user in the form of inbox',
             title: 'Title',
             content: 'Content',
             scope: 'Notify Scope',
@@ -259,6 +260,7 @@ export const i18n: TushanContextProps['i18n'] = {
           },
           'system-notify': {
             create: '创建系统通知',
+            tip: '系统通知将会以收件箱的形式发送给对应的用户',
             title: '标题',
             content: '内容',
             scope: '通知范围',
diff --git a/server/admin/src/client/routes/system/index.tsx b/server/admin/src/client/routes/system/index.tsx
index 4b4c42ae..cc397595 100644
--- a/server/admin/src/client/routes/system/index.tsx
+++ b/server/admin/src/client/routes/system/index.tsx
@@ -215,7 +215,7 @@ export const SystemConfig: React.FC = React.memo(() => {
               <SwitchFormInput />
             </Form.Item>
             <Form.Item label={t('custom.config.announcementText')} field="text">
-              <Input maxLength={120} />
+              <Input maxLength={240} />
             </Form.Item>
             <Form.Item
               label={t('custom.config.announcementLink')}
diff --git a/server/admin/src/client/routes/system/notify.tsx b/server/admin/src/client/routes/system/notify.tsx
index c1858d01..c462d97a 100644
--- a/server/admin/src/client/routes/system/notify.tsx
+++ b/server/admin/src/client/routes/system/notify.tsx
@@ -44,6 +44,12 @@ export const SystemNotify: React.FC = React.memo(() => {
       <Typography.Title heading={3} style={{ textAlign: 'center' }}>
         {t('custom.system-notify.create')}
       </Typography.Title>
+      <Typography.Title
+        heading={6}
+        style={{ textAlign: 'center', color: '#666' }}
+      >
+        {t('custom.system-notify.tip')}
+      </Typography.Title>
 
       <Form form={form} onSubmit={handleSubmit}>
         <Form.Item label={t('custom.system-notify.title')} field="title">