diff --git a/example/src/__dev__/test_gift_floating.tsx b/example/src/__dev__/test_gift_floating.tsx
index ea4e713..29fcaff 100644
--- a/example/src/__dev__/test_gift_floating.tsx
+++ b/example/src/__dev__/test_gift_floating.tsx
@@ -34,7 +34,7 @@ export function TestGiftEffect() {
             ref.current?.pushTask({
               model: {
                 id: seqId('_gf').toString(),
-                nickName: 'NickName',
+                nickname: 'NickName',
                 giftCount: 1,
                 giftIcon: 'http://notext.png',
                 content: 'send Agoraship too too too long',
diff --git a/example/src/screens/ChatroomScreen.tsx b/example/src/screens/ChatroomScreen.tsx
index e5748c6..821e1af 100644
--- a/example/src/screens/ChatroomScreen.tsx
+++ b/example/src/screens/ChatroomScreen.tsx
@@ -128,7 +128,7 @@ export function ChatroomScreen(props: Props) {
     chatroomRef?.current?.getGiftMessageListRef()?.pushTask({
       model: {
         id: seqId('_gf').toString(),
-        nickName: 'NickName',
+        nickname: 'NickName',
         giftCount: 1,
         giftIcon: 'http://notext.png',
         content: 'send Agoraship',
@@ -404,8 +404,8 @@ export function ChatroomScreen(props: Props) {
                       chatroomRef?.current?.getGiftMessageListRef()?.pushTask({
                         model: {
                           id: seqId('_gf').toString(),
-                          nickName:
-                            im.getUserInfo(im.userId)?.nickName ??
+                          nickname:
+                            im.getUserInfo(im.userId)?.nickname ??
                             im.userId ??
                             'unknown',
                           giftCount: 1,
diff --git a/src/biz/Chatroom/Chatroom.hooks.tsx b/src/biz/Chatroom/Chatroom.hooks.tsx
index 16550ce..72063a9 100644
--- a/src/biz/Chatroom/Chatroom.hooks.tsx
+++ b/src/biz/Chatroom/Chatroom.hooks.tsx
@@ -203,12 +203,12 @@ export class Chatroom extends ChatroomBase {
     if (jsonGift) {
       const gift = JSON.parse(jsonGift) as GiftServiceData;
       const user = this.im?.userInfoFromMessage(message);
-      const nickName = user?.nickName ?? user?.userId ?? 'unknown';
+      const nickname = user?.nickname ?? user?.userId ?? 'unknown';
       this.giftRef?.current?.pushTask?.({
         model: {
           id: seqId('_gf').toString(),
           avatar: user?.avatarURL,
-          nickName: nickName,
+          nickname: nickname,
           giftCount: gift.giftCount,
           giftIcon: gift.giftIcon,
           content: this.i18n?.tr("Sent '@${0}'", gift.giftName) ?? '',
diff --git a/src/biz/GiftMessageList/GiftMessageList.item.tsx b/src/biz/GiftMessageList/GiftMessageList.item.tsx
index 5f51993..4feec13 100644
--- a/src/biz/GiftMessageList/GiftMessageList.item.tsx
+++ b/src/biz/GiftMessageList/GiftMessageList.item.tsx
@@ -87,7 +87,7 @@ export function GiftMessageListItem(props: GiftMessageListItemProps) {
               numberOfLines={1}
               style={{ color: 'white' }}
             >
-              {item.gift.nickName}
+              {item.gift.nickname}
             </Text>
             <Text
               textType={'extraSmall'}
diff --git a/src/biz/GiftMessageList/GiftMessageList.tsx b/src/biz/GiftMessageList/GiftMessageList.tsx
index c93acbf..5a17ef5 100644
--- a/src/biz/GiftMessageList/GiftMessageList.tsx
+++ b/src/biz/GiftMessageList/GiftMessageList.tsx
@@ -72,7 +72,7 @@ export type GiftMessageListProps = {
  * ref.current?.pushTask({
  *       model: {
  *         id: seqId('_gf').toString(),
- *         nickName: 'NickName',
+ *         nickname: 'NickName',
  *         giftCount: 1,
  *         giftIcon: 'http://notext.png',
  *         content: 'send Agoraship too too too long',
diff --git a/src/biz/GiftMessageList/types.tsx b/src/biz/GiftMessageList/types.tsx
index a4ef687..f7b00d6 100644
--- a/src/biz/GiftMessageList/types.tsx
+++ b/src/biz/GiftMessageList/types.tsx
@@ -10,7 +10,7 @@ export type GiftMessageListItemData = {
   /**
    * The nickname of the sender.
    */
-  nickName: string;
+  nickname: string;
   /**
    * The content of the message.
    */
diff --git a/src/biz/MessageList/MessageList.hooks.tsx b/src/biz/MessageList/MessageList.hooks.tsx
index 661a7dd..b1d11c2 100644
--- a/src/biz/MessageList/MessageList.hooks.tsx
+++ b/src/biz/MessageList/MessageList.hooks.tsx
@@ -187,7 +187,7 @@ export function useMessageListApi(params: {
   const _addJoinData = (message: ChatMessage) => {
     const getNickName = () => {
       const user = im.userInfoFromMessage(message);
-      return user?.nickName ?? user?.userId ?? message.from ?? 'unknown';
+      return user?.nickname ?? user?.userId ?? message.from ?? 'unknown';
     };
     const part = {
       type: 'tip',
@@ -236,14 +236,14 @@ export function useMessageListApi(params: {
   ) => {
     const getBasic = (): MessageListItemBasic => {
       let user = im.getUserInfo(d.msg?.from);
-      if (user === undefined || user.nickName === undefined) {
+      if (user === undefined || user.nickname === undefined) {
         user = im.userInfoFromMessage(d.msg);
       }
-      const nickName =
-        user?.nickName ?? user?.userId ?? d.msg?.from ?? 'unknown';
+      const nickname =
+        user?.nickname ?? user?.userId ?? d.msg?.from ?? 'unknown';
       return {
         timestamp: Date.now(),
-        nickName: nickName,
+        nickname: nickname,
         avatar: user?.avatarURL,
         tag: user?.identify,
       };
diff --git a/src/biz/MessageList/MessageList.item.tsx b/src/biz/MessageList/MessageList.item.tsx
index b08de01..4b9255a 100644
--- a/src/biz/MessageList/MessageList.item.tsx
+++ b/src/biz/MessageList/MessageList.item.tsx
@@ -181,7 +181,7 @@ export function MessageListItem(props: MessageListItemProps) {
                 paletteType={'label'}
                 style={{ color: getColor('name') }}
               >
-                {basic.nickName}
+                {basic.nickname}
               </Text>
             </View>
           </View>
diff --git a/src/biz/MessageList/types.tsx b/src/biz/MessageList/types.tsx
index d46b946..1475730 100644
--- a/src/biz/MessageList/types.tsx
+++ b/src/biz/MessageList/types.tsx
@@ -20,7 +20,7 @@ export type MessageListItemBasic = {
   timestamp: number;
   avatar?: string;
   tag?: IconNameType | string;
-  nickName: string;
+  nickname: string;
 };
 
 export type MessageListItemOp = {
diff --git a/src/biz/ParticipantList/ParticipantContextMenu.tsx b/src/biz/ParticipantList/ParticipantContextMenu.tsx
index 9e33069..28ec261 100644
--- a/src/biz/ParticipantList/ParticipantContextMenu.tsx
+++ b/src/biz/ParticipantList/ParticipantContextMenu.tsx
@@ -48,7 +48,7 @@ export const ParticipantContextMenu = (props: ParticipantContextMenuProps) => {
       if (isOwner === true) {
         if (_memberType === 'member') {
           if (memberType === _memberType) {
-            setUserName(im.getUserInfo(userId)?.nickName ?? userId);
+            setUserName(im.getUserInfo(userId)?.nickname ?? userId);
             let items: InitMenuItemsType[] = [
               {
                 name: 'Mute',
@@ -90,7 +90,7 @@ export const ParticipantContextMenu = (props: ParticipantContextMenuProps) => {
           }
         } else if (_memberType === 'muted') {
           if (memberType === _memberType) {
-            setUserName(im.getUserInfo(userId)?.nickName ?? userId);
+            setUserName(im.getUserInfo(userId)?.nickname ?? userId);
             menuRef?.current?.startShowWithInit([
               {
                 name: 'Unmute',
diff --git a/src/biz/ParticipantList/ParticipantList.hooks.tsx b/src/biz/ParticipantList/ParticipantList.hooks.tsx
index 1a6c9f4..06191ca 100644
--- a/src/biz/ParticipantList/ParticipantList.hooks.tsx
+++ b/src/biz/ParticipantList/ParticipantList.hooks.tsx
@@ -668,7 +668,7 @@ export function useSearchParticipantListAPI(props: {
   memberType: ParticipantListType;
   searchType?: keyof UserServiceData;
 }) {
-  const { memberType, searchType = 'nickName' } = props;
+  const { memberType, searchType = 'nickname' } = props;
   // const ds = React.useRef<NodeJS.Timeout | undefined>();
   const im = useRoomContext();
 
diff --git a/src/biz/ParticipantList/ParticipantList.item.tsx b/src/biz/ParticipantList/ParticipantList.item.tsx
index 5866a28..bd1e911 100644
--- a/src/biz/ParticipantList/ParticipantList.item.tsx
+++ b/src/biz/ParticipantList/ParticipantList.item.tsx
@@ -83,10 +83,10 @@ export function ParticipantListItem(props: ParticipantListItemProps) {
               color: getColor('color'),
             }}
           >
-            {userInfo.nickName === undefined ||
-            userInfo.nickName.trim().length === 0
+            {userInfo.nickname === undefined ||
+            userInfo.nickname.trim().length === 0
               ? userInfo.userId
-              : userInfo.nickName}
+              : userInfo.nickname}
           </Text>
           {/* <Text
             textType={'medium'}
diff --git a/src/room/room.impl.tsx b/src/room/room.impl.tsx
index a6176e4..20e869c 100644
--- a/src/room/room.impl.tsx
+++ b/src/room/room.impl.tsx
@@ -159,7 +159,7 @@ export abstract class RoomServiceImpl implements RoomService {
 
       // !!! hot-reload no pass, into catch codes
       this._user = {
-        nickName: userNickname,
+        nickname: userNickname,
         avatarURL: userAvatarURL,
         userId: userId,
         gender: gender,
@@ -178,7 +178,7 @@ export abstract class RoomServiceImpl implements RoomService {
       if (error?.code === 200) {
         // !!! for dev hot-reload
         this._user = {
-          nickName: userNickname,
+          nickname: userNickname,
           avatarURL: userAvatarURL,
           userId: userId,
           gender: gender,
@@ -186,7 +186,7 @@ export abstract class RoomServiceImpl implements RoomService {
         } as UserServiceData;
 
         this._updateMember({
-          nickName: userNickname,
+          nickname: userNickname,
           avatarURL: userAvatarURL,
           userId: userId,
         });
@@ -288,7 +288,7 @@ export abstract class RoomServiceImpl implements RoomService {
           }
           ret.push({
             userId: item[1].userId,
-            nickName: item[1].nickName ?? undefined,
+            nickname: item[1].nickName ?? undefined,
             avatarURL: item[1].avatarUrl ?? undefined,
             gender: item[1].gender ?? 0,
             identify: identify,
@@ -308,7 +308,7 @@ export abstract class RoomServiceImpl implements RoomService {
     try {
       const p = {
         userId: self.userId,
-        nickName: self.nickName,
+        nickname: self.nickname,
         avatarUrl: self.avatarURL,
         gender: self.gender,
         ext: JSON.stringify({ identify: self.identify }),
@@ -332,8 +332,8 @@ export abstract class RoomServiceImpl implements RoomService {
     }).filter((v) => {
       if (type === 'avatarURL') {
         return v.avatarURL?.includes(key);
-      } else if (type === 'nickName') {
-        return v.nickName?.includes(key);
+      } else if (type === 'nickname') {
+        return v.nickname?.includes(key);
       } else if (type === 'identify') {
         return v.identify?.includes(key);
       } else if (type === 'gender') {
diff --git a/src/room/types.tsx b/src/room/types.tsx
index 04f031a..f73c19f 100644
--- a/src/room/types.tsx
+++ b/src/room/types.tsx
@@ -70,7 +70,7 @@ export type UserServiceData = {
   /**
    * User nick name. It is very important to set.
    */
-  nickName?: string;
+  nickname?: string;
   /**
    * User avatar URL.
    */