diff --git a/packages/flat-components/src/components/UsersPanel/index.tsx b/packages/flat-components/src/components/UsersPanel/index.tsx
index bee653acb5b..eb862c06746 100644
--- a/packages/flat-components/src/components/UsersPanel/index.tsx
+++ b/packages/flat-components/src/components/UsersPanel/index.tsx
@@ -9,10 +9,16 @@ import { User } from "../../types/user";
 import { IconMic } from "../ClassroomPage/VideoAvatar/IconMic";
 import { SVGCamera, SVGCameraMute, SVGMicrophoneMute } from "../FlatIcons";
 
+export interface UsersPanelRoomInfo {
+    ownerName?: string;
+    ownerAvatarURL?: string;
+}
+
 export interface UsersPanelProps {
     ownerUUID: string;
     userUUID: string;
     users: User[];
+    roomInfo?: UsersPanelRoomInfo;
     getDeviceState?: (userUUID: string) => { camera: boolean; mic: boolean };
     getVolumeLevel?: (userUUID: string) => number;
     onOffStageAll?: () => void;
@@ -26,6 +32,7 @@ export const UsersPanel = /* @__PURE__ */ observer<UsersPanelProps>(function Use
     ownerUUID,
     userUUID,
     users,
+    roomInfo,
     getDeviceState,
     getVolumeLevel,
     onOffStageAll,
@@ -37,19 +44,17 @@ export const UsersPanel = /* @__PURE__ */ observer<UsersPanelProps>(function Use
     const t = useTranslate();
 
     const isCreator = ownerUUID === userUUID;
-    const owner = users.find(user => user.userUUID === ownerUUID);
-    const students = users.filter(user => user.userUUID !== ownerUUID);
 
     return (
         <div className="users-panel">
             <div className="users-panel-headline">
-                {owner && (
+                {roomInfo && (
                     <>
                         <span className="users-panel-headline-avatar">
-                            <img src={owner.avatar} />
+                            <img src={roomInfo.ownerAvatarURL} />
                         </span>
                         <span className="users-panel-headline-name">{t("teacher")}: </span>
-                        <span className="users-panel-headline-name">{owner.name}</span>
+                        <span className="users-panel-headline-name">{roomInfo.ownerName}</span>
                     </>
                 )}
                 <span className="users-panel-splitter" />
@@ -69,20 +74,19 @@ export const UsersPanel = /* @__PURE__ */ observer<UsersPanelProps>(function Use
                     <thead>
                         <tr>
                             <th>
-                                {t("members")} ({students.length})
+                                {t("members")} ({users.length})
                             </th>
                             <th>{t("staging")}</th>
                             <th>{t("whiteboard-access")}</th>
                             <th>{t("camera")}</th>
                             <th>{t("microphone")}</th>
                             <th>
-                                {t("raise-hand")} (
-                                {students.filter(user => user.isRaiseHand).length})
+                                {t("raise-hand")} ({users.filter(user => user.isRaiseHand).length})
                             </th>
                         </tr>
                     </thead>
                     <tbody className="users-panel-items">
-                        {students.map(user => (
+                        {users.map(user => (
                             <Row
                                 key={user.userUUID}
                                 getDeviceState={getDeviceState}
@@ -98,6 +102,9 @@ export const UsersPanel = /* @__PURE__ */ observer<UsersPanelProps>(function Use
                         ))}
                     </tbody>
                 </table>
+                {users.length === 0 && (
+                    <div className="users-panel-list-empty">{t("no-students")}</div>
+                )}
             </div>
         </div>
     );
diff --git a/packages/flat-components/src/components/UsersPanel/style.less b/packages/flat-components/src/components/UsersPanel/style.less
index 0e3d2ec52bb..02b9eb9f46f 100644
--- a/packages/flat-components/src/components/UsersPanel/style.less
+++ b/packages/flat-components/src/components/UsersPanel/style.less
@@ -70,6 +70,14 @@
     }
 }
 
+.users-panel-list-empty {
+    flex: 1;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: var(--text-weaker);
+}
+
 .users-panel-list-item {
     font-size: 0;
     position: relative;
diff --git a/packages/flat-i18n/locales/en.json b/packages/flat-i18n/locales/en.json
index be7c6410e68..f3f0c77d2c7 100644
--- a/packages/flat-i18n/locales/en.json
+++ b/packages/flat-i18n/locales/en.json
@@ -27,6 +27,7 @@
   "raised-hand": "(Hand raised)",
   "has-left": "(Has left)",
   "offline": "offline",
+  "no-students": "No students",
   "say-something": "Say something...",
   "send": "send",
   "teacher": "Teacher",
diff --git a/packages/flat-i18n/locales/zh-CN.json b/packages/flat-i18n/locales/zh-CN.json
index 4d613938d33..58f95f01c24 100644
--- a/packages/flat-i18n/locales/zh-CN.json
+++ b/packages/flat-i18n/locales/zh-CN.json
@@ -27,6 +27,7 @@
   "raised-hand": "(已举手)",
   "has-left": "（已离开）",
   "offline": "已离线",
+  "no-students": "暂无学生",
   "agree": "通过",
   "me": "(我)",
   "cancel-hand-raising": "取消举手",
diff --git a/packages/flat-pages/src/components/UsersButton.tsx b/packages/flat-pages/src/components/UsersButton.tsx
index 405fe2b436a..c69f7f71897 100644
--- a/packages/flat-pages/src/components/UsersButton.tsx
+++ b/packages/flat-pages/src/components/UsersButton.tsx
@@ -16,16 +16,11 @@ export const UsersButton = observer<UsersButtonProps>(function UsersButton({ cla
     const t = useTranslate();
     const [open, setOpen] = useState(false);
 
+    // not including teacher
     const users = useComputed(() => {
-        const { creator, speakingJoiners, handRaisingJoiners, otherJoiners, offlineJoiners } =
+        const { speakingJoiners, handRaisingJoiners, otherJoiners, offlineJoiners } =
             classroom.users;
-        return [
-            ...speakingJoiners,
-            ...handRaisingJoiners,
-            ...(creator ? [creator] : []),
-            ...offlineJoiners,
-            ...otherJoiners,
-        ];
+        return [...speakingJoiners, ...handRaisingJoiners, ...offlineJoiners, ...otherJoiners];
     }).get();
 
     const getDeviceState = useCallback(
@@ -107,6 +102,7 @@ export const UsersButton = observer<UsersButtonProps>(function UsersButton({ cla
                     getDeviceState={getDeviceState}
                     getVolumeLevel={getVolumeLevel}
                     ownerUUID={classroom.ownerUUID}
+                    roomInfo={classroom.roomInfo}
                     userUUID={classroom.userUUID}
                     users={users}
                     onDeviceState={classroom.updateDeviceState}
diff --git a/packages/flat-stores/src/room-store.ts b/packages/flat-stores/src/room-store.ts
index aad3ce5fea9..4dc19545a26 100644
--- a/packages/flat-stores/src/room-store.ts
+++ b/packages/flat-stores/src/room-store.ts
@@ -21,6 +21,7 @@ import {
     recordInfo,
     RoomStatus,
     RoomType,
+    usersInfo,
 } from "@netless/flat-server-api";
 import { globalStore } from "./global-store";
 import { preferencesStore } from "./preferences-store";
@@ -132,10 +133,16 @@ export class RoomStore {
 
     public async syncOrdinaryRoomInfo(roomUUID: string): Promise<void> {
         const { roomInfo, ...restInfo } = await ordinaryRoomInfo(roomUUID);
+        // always include owner avatar url in full room info
+        const { [roomInfo.ownerUUID]: owner } = await usersInfo({
+            roomUUID,
+            usersUUID: [roomInfo.ownerUUID],
+        });
         this.updateRoom(roomUUID, roomInfo.ownerUUID, {
             ...restInfo,
             ...roomInfo,
             roomUUID,
+            ownerAvatarURL: owner.avatarURL,
         });
     }