diff --git a/client/web/src/plugin/common/index.ts b/client/web/src/plugin/common/index.ts
index d5eaca05..aa5dbd2a 100644
--- a/client/web/src/plugin/common/index.ts
+++ b/client/web/src/plugin/common/index.ts
@@ -53,6 +53,7 @@ export {
   useGroupPanelInfo,
   sendMessage,
   showMessageTime,
+  joinArray,
 } from 'tailchat-shared';
 
 export { useLocation, useNavigate } from 'react-router';
diff --git a/client/web/tailchat.d.ts b/client/web/tailchat.d.ts
index 0893ecc3..b93bbba9 100644
--- a/client/web/tailchat.d.ts
+++ b/client/web/tailchat.d.ts
@@ -164,6 +164,8 @@ declare module '@capital/common' {
 
   export const showMessageTime: any;
 
+  export const joinArray: any;
+
   export const useLocation: any;
 
   export const useNavigate: any;
@@ -244,21 +246,6 @@ declare module '@capital/common' {
 
   export const pluginPanelActions: any;
 
-  interface BasePluginPanelActionProps {
-    /**
-     * 唯一标识
-     */
-    name: string;
-    /**
-     * 显示名
-     */
-    label: string;
-    /**
-     * 来自iconify的图标标识
-     */
-    icon: string;
-  }
-
   export const regPluginPanelAction: (
     action:
       | {
@@ -311,6 +298,10 @@ declare module '@capital/common' {
 
   export const regPluginGroupTextPanelExtraMenu: any;
 
+  export const pluginUserExtraInfo: any;
+
+  export const regUserExtraInfo: any;
+
   export const useGroupIdContext: () => string;
 
   export const useGroupPanelContext: () => {
@@ -488,4 +479,8 @@ declare module '@capital/component' {
   }>;
 
   export const Markdown: any;
+
+  export const Webview: any;
+
+  export const WebviewKeepAlive: any;
 }
diff --git a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/MeetingView.tsx b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/MeetingView.tsx
index c3c2d247..0c99d396 100644
--- a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/MeetingView.tsx
+++ b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/MeetingView.tsx
@@ -65,6 +65,15 @@ export const MeetingView: React.FC<MeetingViewProps> = React.memo((props) => {
       useMeetingStore.getState().removeUser(user);
     });
 
+    client.on('volume-indicator', (volumes) => {
+      useMeetingStore.setState({
+        volumes: volumes.map((v) => ({
+          uid: String(v.uid),
+          level: v.level,
+        })),
+      });
+    });
+
     try {
       const { _id } = await getJWTUserInfo();
       const { data } = await request.post('generateJoinInfo', {
@@ -75,6 +84,7 @@ export const MeetingView: React.FC<MeetingViewProps> = React.memo((props) => {
 
       await client.join(appId, channelName, token, _id);
       await client.enableDualStream();
+      client.enableAudioVolumeIndicator();
       setStart(true);
     } catch (err) {
       showErrorToasts(err);
diff --git a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/SpeakerNames.tsx b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/SpeakerNames.tsx
new file mode 100644
index 00000000..79e341ce
--- /dev/null
+++ b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/SpeakerNames.tsx
@@ -0,0 +1,23 @@
+import React from 'react';
+import { joinArray } from '@capital/common';
+import { useMeetingStore } from './store';
+import { UserName } from '@capital/component';
+import { Translate } from '../translate';
+
+export const SpeakerNames: React.FC = React.memo(() => {
+  const volumes = useMeetingStore((state) => state.volumes);
+  const activeUserNames = volumes
+    .filter((v) => v.level >= 60)
+    .map((v) => <UserName key={v.uid} userId={v.uid} />);
+
+  return (
+    <span>
+      <span>{joinArray(activeUserNames, ',')}</span>
+
+      {activeUserNames.length > 0
+        ? ' ' + Translate.isSpeaking
+        : Translate.nomanSpeaking}
+    </span>
+  );
+});
+SpeakerNames.displayName = 'SpeakerNames';
diff --git a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/VideoView.tsx b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/VideoView.tsx
index 77c948a8..858e5a23 100644
--- a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/VideoView.tsx
+++ b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/VideoView.tsx
@@ -5,7 +5,9 @@ import styled from 'styled-components';
 import { useClient, useMicrophoneAndCameraTracks } from './client';
 import { useMeetingStore } from './store';
 
-const Root = styled.div`
+const Root = styled.div<{
+  active?: boolean;
+}>`
   width: 95%;
   height: auto;
   position: relative;
@@ -19,6 +21,10 @@ const Root = styled.div`
   justify-content: center;
   align-items: center;
 
+  border-width: 3px;
+  border-color: ${(props) => (props.active ? '#7ab157;' : 'transparent')};
+  transition: border-color 0.2s;
+
   .player {
     width: 100%;
     height: 100%;
@@ -36,9 +42,10 @@ export const VideoView: React.FC<{
   user: IAgoraRTCRemoteUser;
 }> = (props) => {
   const user = props.user;
+  const active = useVolumeActive(String(user.uid));
 
   return (
-    <Root>
+    <Root active={active}>
       {user.hasVideo ? (
         <AgoraVideoPlayer className="player" videoTrack={user.videoTrack} />
       ) : (
@@ -55,9 +62,10 @@ export const OwnVideoView: React.FC<{}> = React.memo(() => {
   const { ready, tracks } = useMicrophoneAndCameraTracks();
   const client = useClient();
   const mediaPerm = useMeetingStore((state) => state.mediaPerm);
+  const active = useVolumeActive(String(client.uid));
 
   return (
-    <Root>
+    <Root active={active}>
       {ready && mediaPerm.video ? (
         <AgoraVideoPlayer className="player" videoTrack={tracks[1]} />
       ) : (
@@ -69,3 +77,12 @@ export const OwnVideoView: React.FC<{}> = React.memo(() => {
   );
 });
 OwnVideoView.displayName = 'OwnVideoView';
+
+function useVolumeActive(uid: string) {
+  const volume = useMeetingStore((state) =>
+    state.volumes.find((v) => v.uid === uid)
+  );
+  const volumeLevel = volume?.level ?? 0;
+
+  return volumeLevel >= 60;
+}
diff --git a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/store.ts b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/store.ts
index 5e23194d..86568f2d 100644
--- a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/store.ts
+++ b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/store.ts
@@ -15,6 +15,16 @@ interface MeetingState {
    * 本地媒体权限
    */
   mediaPerm: MediaPerm;
+  /**
+   * 音量信息
+   */
+  volumes: {
+    /**
+     * 音量, 0~100, 一般认为60以上视为正在发言.
+     */
+    level: number;
+    uid: string;
+  }[];
   appendUser: (user: IAgoraRTCRemoteUser) => void;
   removeUser: (user: IAgoraRTCRemoteUser) => void;
   /**
@@ -29,6 +39,7 @@ interface MeetingState {
 export const useMeetingStore = create<MeetingState>((set) => ({
   users: [],
   mediaPerm: { video: false, audio: false },
+  volumes: [],
   appendUser: (user: IAgoraRTCRemoteUser) => {
     set((state) => ({
       users: [...state.users, user],
diff --git a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/window.tsx b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/window.tsx
index 4103b140..670fd472 100644
--- a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/window.tsx
+++ b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/FloatWindow/window.tsx
@@ -2,6 +2,7 @@ import React, { useState } from 'react';
 import styled from 'styled-components';
 import { ErrorBoundary } from '@capital/component';
 import { MeetingView, MeetingViewProps } from './MeetingView';
+import { SpeakerNames } from './SpeakerNames';
 
 const FloatWindow = styled.div`
   z-index: 100;
@@ -17,18 +18,23 @@ const FloatWindow = styled.div`
   flex-direction: column;
 
   .folder-btn {
-    background-color: var(--tc-content-background-color);
-    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
     position: absolute;
     bottom: -30px;
-    height: 30px;
-    line-height: 30px;
-    left: 50%;
-    width: 60px;
-    margin-left: -30px;
-    text-align: center;
-    cursor: pointer;
-    border-radius: 0 0 3px 3px;
+    left: 0;
+    right: 0;
+    display: flex;
+
+    > div {
+      background-color: var(--tc-content-background-color);
+      box-shadow: 0 2px 2px rgba(0, 0, 0, 0.2);
+      height: 30px;
+      line-height: 30px;
+      cursor: pointer;
+      border-radius: 0 0 3px 3px;
+      margin: auto;
+      display: inline-block;
+      padding: 0 8px;
+    }
   }
 `;
 
@@ -50,7 +56,10 @@ export const FloatMeetingWindow: React.FC<MeetingViewProps> = React.memo(
         </ErrorBoundary>
 
         <div className="folder-btn" onClick={() => setFolder(!folder)}>
-          {folder ? '展开' : '收起'}
+          <div>
+            <SpeakerNames />
+            <span style={{ marginLeft: 4 }}>{folder ? '展开' : '收起'}</span>
+          </div>
         </div>
       </FloatWindow>
     );
diff --git a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/translate.ts b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/translate.ts
index bf67b5ea..fdbceb2d 100644
--- a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/translate.ts
+++ b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/src/translate.ts
@@ -9,4 +9,12 @@ export const Translate = {
     'zh-CN': '下行网络',
     'en-US': 'Downlink',
   }),
+  isSpeaking: localTrans({
+    'zh-CN': '正在发言',
+    'en-US': 'is Speaking',
+  }),
+  nomanSpeaking: localTrans({
+    'zh-CN': '无人发言',
+    'en-US': 'No one Speaking',
+  }),
 };
diff --git a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/types/tailchat.d.ts b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/types/tailchat.d.ts
index e60fe980..b93bbba9 100644
--- a/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/types/tailchat.d.ts
+++ b/server/plugins/com.msgbyte.agora/web/plugins/com.msgbyte.agora/types/tailchat.d.ts
@@ -164,6 +164,8 @@ declare module '@capital/common' {
 
   export const showMessageTime: any;
 
+  export const joinArray: any;
+
   export const useLocation: any;
 
   export const useNavigate: any;
@@ -244,21 +246,6 @@ declare module '@capital/common' {
 
   export const pluginPanelActions: any;
 
-  interface BasePluginPanelActionProps {
-    /**
-     * 唯一标识
-     */
-    name: string;
-    /**
-     * 显示名
-     */
-    label: string;
-    /**
-     * 来自iconify的图标标识
-     */
-    icon: string;
-  }
-
   export const regPluginPanelAction: (
     action:
       | {
@@ -311,6 +298,10 @@ declare module '@capital/common' {
 
   export const regPluginGroupTextPanelExtraMenu: any;
 
+  export const pluginUserExtraInfo: any;
+
+  export const regUserExtraInfo: any;
+
   export const useGroupIdContext: () => string;
 
   export const useGroupPanelContext: () => {
@@ -474,12 +465,22 @@ declare module '@capital/component' {
 
   export const ErrorBoundary: any;
 
-  export const UserAvatar: any;
+  export const UserAvatar: React.FC<{
+    userId: string;
+    className?: string;
+    style?: React.CSSProperties;
+    size?: 'large' | 'small' | 'default' | number;
+  }>;
 
   export const UserName: React.FC<{
     userId: string;
     className?: string;
+    style?: React.CSSProperties;
   }>;
 
   export const Markdown: any;
+
+  export const Webview: any;
+
+  export const WebviewKeepAlive: any;
 }