diff --git a/src/im/api.ts b/src/im/api.ts
index 195a72e..4d0c699 100644
--- a/src/im/api.ts
+++ b/src/im/api.ts
@@ -1,9 +1,13 @@
 import { getConfig } from '../core/sdk'
 import { http } from '../core/http'
 import type {
+  BlacklistCheckResult,
+  BlacklistEntry,
   ChatType,
+  ConversationGroupItem,
   ConversationView,
   FriendRequest,
+  GroupReadReceiptSummary,
   HistoryQuery,
   GroupJoinRequest,
   ImGroup,
@@ -129,6 +133,33 @@ export function setConversationMuted(targetId: string, chatType: ChatType, muted
   )
 }
 
+export function setConversationHidden(targetId: string, chatType: ChatType, hidden: boolean): Promise<void> {
+  return http.put<void>(
+    `/api/im/conversations/${encodeURIComponent(targetId)}/hidden`,
+    undefined,
+    appQuery({ chatType, hidden }),
+  )
+}
+
+export function setConversationGroup(targetId: string, chatType: ChatType, groupName?: string): Promise<void> {
+  return http.put<void>(
+    `/api/im/conversations/${encodeURIComponent(targetId)}/group`,
+    undefined,
+    appQuery({ chatType, groupName }),
+  )
+}
+
+export function listConversationGroups(): Promise<string[]> {
+  return http.get<string[]>('/api/im/conversation-groups', appQuery())
+}
+
+export function listConversationGroupItems(groupName: string): Promise<ConversationGroupItem[]> {
+  return http.get<ConversationGroupItem[]>(
+    `/api/im/conversation-groups/${encodeURIComponent(groupName)}`,
+    appQuery(),
+  )
+}
+
 export function setDraft(targetId: string, chatType: ChatType, draft: string): Promise<void> {
   return http.put<void>(
     `/api/im/conversations/${encodeURIComponent(targetId)}/draft`,
@@ -165,6 +196,34 @@ export function listFriends(): Promise<string[]> {
   return http.get<string[]>('/api/im/friends', appQuery())
 }
 
+export function addFriend(friendId: string): Promise<void> {
+  return http.post<void>('/api/im/friends', undefined, appQuery({ friendId }))
+}
+
+export function removeFriend(friendId: string): Promise<void> {
+  return http.delete<void>(`/api/im/friends/${encodeURIComponent(friendId)}`, appQuery())
+}
+
+export function removeAllFriends(): Promise<void> {
+  return http.delete<void>('/api/im/friends', appQuery())
+}
+
+export function setFriendGroup(friendId: string, groupName?: string): Promise<void> {
+  return http.put<void>(
+    `/api/im/friends/${encodeURIComponent(friendId)}/group`,
+    undefined,
+    appQuery({ groupName }),
+  )
+}
+
+export function listFriendGroups(): Promise<string[]> {
+  return http.get<string[]>('/api/im/friends/groups', appQuery())
+}
+
+export function listFriendsByGroup(groupName: string): Promise<string[]> {
+  return http.get<string[]>(`/api/im/friends/groups/${encodeURIComponent(groupName)}`, appQuery())
+}
+
 export function listGroups(): Promise<ImGroup[]> {
   return http.get<ImGroup[]>('/api/im/groups', appQuery())
 }
@@ -204,6 +263,43 @@ export function searchGroupMembers(groupId: string, keyword: string, size = 20):
   return http.get<UserProfile[]>(`/api/im/groups/${encodeURIComponent(groupId)}/members/search`, appQuery({ keyword, size }))
 }
 
+export function transferGroupOwner(groupId: string, newOwnerId: string): Promise<ImGroup> {
+  return http.post<ImGroup>(
+    `/api/im/groups/${encodeURIComponent(groupId)}/owner`,
+    { newOwnerId },
+  )
+}
+
+export function updateGroupAttributes(groupId: string, attributes: Record<string, unknown>): Promise<ImGroup> {
+  return http.put<ImGroup>(
+    `/api/im/groups/${encodeURIComponent(groupId)}/attributes`,
+    attributes,
+  )
+}
+
+export function removeGroupAttributes(groupId: string, keys: string[]): Promise<ImGroup> {
+  return http.post<ImGroup>(
+    `/api/im/groups/${encodeURIComponent(groupId)}/attributes/delete`,
+    { keys },
+  )
+}
+
+export function listBlacklist(): Promise<BlacklistEntry[]> {
+  return http.get<BlacklistEntry[]>('/api/im/blacklist', appQuery())
+}
+
+export function addToBlacklist(blockedUserId: string): Promise<BlacklistEntry> {
+  return http.post<BlacklistEntry>('/api/im/blacklist', undefined, appQuery({ blockedUserId }))
+}
+
+export function removeFromBlacklist(blockedUserId: string): Promise<void> {
+  return http.delete<void>('/api/im/blacklist', appQuery({ blockedUserId }))
+}
+
+export function checkBlacklist(targetUserId: string): Promise<BlacklistCheckResult> {
+  return http.get<BlacklistCheckResult>('/api/im/blacklist/check', appQuery({ targetUserId }))
+}
+
 export function sendFriendRequest(toUserId: string, remark?: string): Promise<FriendRequest> {
   return http.post<FriendRequest>(
     '/api/im/friend-requests',
@@ -256,3 +352,11 @@ export function rejectGroupJoinRequest(groupId: string, requestId: string): Prom
     appQuery(),
   )
 }
+
+export function adminGroupReadReceipts(groupId: string, messageIds: string[]): Promise<GroupReadReceiptSummary[]> {
+  return http.post<GroupReadReceiptSummary[]>(
+    `/api/im/admin/groups/${encodeURIComponent(groupId)}/read-receipts`,
+    { messageIds },
+    appQuery(),
+  )
+}
diff --git a/src/im/useIm.ts b/src/im/useIm.ts
index e53a6e7..862ac1a 100644
--- a/src/im/useIm.ts
+++ b/src/im/useIm.ts
@@ -1,6 +1,7 @@
 import { ref, shallowRef, onUnmounted, reactive, type Ref } from 'vue'
 import { ImClient } from './ImClient'
 import {
+  addFriend,
   deleteConversation,
   acceptFriendRequest,
   acceptGroupJoinRequest,
@@ -11,21 +12,31 @@ import {
   locateGroupHistoryPage,
   locateHistoryPage,
   revokeMessage,
+  listConversationGroupItems,
+  listConversationGroups,
+  listFriendGroups,
   listFriendRequests,
   listFriends,
+  listFriendsByGroup,
   listGroupJoinRequests,
   listGroups,
   listConversations,
   markRead,
+  removeAllFriends,
+  removeFriend,
   rejectFriendRequest,
   rejectGroupJoinRequest,
   sendFriendRequest,
   sendGroupJoinRequest,
+  setConversationGroup,
+  setConversationHidden,
   setConversationMuted,
   setConversationPinned,
+  setFriendGroup,
   setDraft,
 } from './api'
 import type {
+  ConversationGroupItem,
   ConversationView,
   HistoryQuery,
   ImGroup,
@@ -55,9 +66,19 @@ export interface UseImReturn {
   setConversationRead: (targetId: string, chatType?: ChatType) => Promise<void>
   setConversationPinnedState: (targetId: string, chatType: ChatType, pinned: boolean) => Promise<void>
   setConversationMutedState: (targetId: string, chatType: ChatType, muted: boolean) => Promise<void>
+  setConversationHiddenState: (targetId: string, chatType: ChatType, hidden: boolean) => Promise<void>
+  setConversationGroupName: (targetId: string, chatType: ChatType, groupName?: string) => Promise<void>
+  getConversationGroups: () => Promise<string[]>
+  getConversationGroupItems: (groupName: string) => Promise<ConversationGroupItem[]>
   setConversationDraft: (targetId: string, chatType: ChatType, draft: string) => Promise<void>
   removeConversation: (targetId: string, chatType: ChatType) => Promise<void>
   getFriends: () => Promise<string[]>
+  addFriendById: (friendId: string) => Promise<void>
+  removeFriendById: (friendId: string) => Promise<void>
+  clearFriends: () => Promise<void>
+  setFriendGroupName: (friendId: string, groupName?: string) => Promise<void>
+  getFriendGroups: () => Promise<string[]>
+  getFriendsByGroup: (groupName: string) => Promise<string[]>
   getGroups: () => Promise<ImGroup[]>
   getGroup: (groupId: string) => Promise<ImGroup>
   sendFriend: (toUserId: string, remark?: string) => Promise<FriendRequest>
@@ -202,6 +223,22 @@ export function useIm(): UseImReturn {
     return setConversationMuted(targetId, chatType, muted)
   }
 
+  function setConversationHiddenState(targetId: string, chatType: ChatType, hidden: boolean) {
+    return setConversationHidden(targetId, chatType, hidden)
+  }
+
+  function setConversationGroupName(targetId: string, chatType: ChatType, groupName?: string) {
+    return setConversationGroup(targetId, chatType, groupName)
+  }
+
+  function getConversationGroups() {
+    return listConversationGroups()
+  }
+
+  function getConversationGroupItems(groupName: string) {
+    return listConversationGroupItems(groupName)
+  }
+
   function setConversationDraft(targetId: string, chatType: ChatType, draft: string) {
     return setDraft(targetId, chatType, draft)
   }
@@ -214,6 +251,30 @@ export function useIm(): UseImReturn {
     return listFriends()
   }
 
+  function addFriendById(friendId: string) {
+    return addFriend(friendId)
+  }
+
+  function removeFriendById(friendId: string) {
+    return removeFriend(friendId)
+  }
+
+  function clearFriends() {
+    return removeAllFriends()
+  }
+
+  function setFriendGroupName(friendId: string, groupName?: string) {
+    return setFriendGroup(friendId, groupName)
+  }
+
+  function getFriendGroups() {
+    return listFriendGroups()
+  }
+
+  function getFriendsByGroup(groupName: string) {
+    return listFriendsByGroup(groupName)
+  }
+
   function getGroups() {
     return listGroups()
   }
@@ -274,9 +335,19 @@ export function useIm(): UseImReturn {
     setConversationRead,
     setConversationPinnedState,
     setConversationMutedState,
+    setConversationHiddenState,
+    setConversationGroupName,
+    getConversationGroups,
+    getConversationGroupItems,
     setConversationDraft,
     removeConversation,
     getFriends,
+    addFriendById,
+    removeFriendById,
+    clearFriends,
+    setFriendGroupName,
+    getFriendGroups,
+    getFriendsByGroup,
     getGroups,
     getGroup,
     sendFriend,
@@ -287,5 +358,5 @@ export function useIm(): UseImReturn {
     loadGroupJoinRequests,
     approveGroupJoinRequest,
     declineGroupJoinRequest,
-  }) as UseImReturn
+  }) as unknown as UseImReturn
 }
diff --git a/src/index.ts b/src/index.ts
index e7590dd..267c85a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -4,6 +4,10 @@ export { ImClient } from './im/ImClient'
 export {
   acceptFriendRequest,
   acceptGroupJoinRequest,
+  addFriend,
+  addToBlacklist,
+  adminGroupReadReceipts,
+  checkBlacklist,
   createGroup,
   deleteConversation,
   getGroupInfo,
@@ -13,8 +17,13 @@ export {
   locateGroupHistoryPage,
   locateHistoryPage,
   revokeMessage,
+  listBlacklist,
+  listConversationGroupItems,
+  listConversationGroups,
+  listFriendGroups,
   listFriendRequests,
   listFriends,
+  listFriendsByGroup,
   listGroupJoinRequests,
   listGroups,
   listConversations,
@@ -25,12 +34,21 @@ export {
   searchUsers,
   rejectFriendRequest,
   rejectGroupJoinRequest,
+  removeAllFriends,
+  removeFriend,
+  removeFromBlacklist,
+  removeGroupAttributes,
   sendFriendRequest,
   sendGroupJoinRequest,
   sendMessage,
+  setConversationGroup,
+  setConversationHidden,
   setConversationMuted,
   setConversationPinned,
+  setFriendGroup,
   setDraft,
+  transferGroupOwner,
+  updateGroupAttributes,
   updateProfile,
 } from './im/api'
 export { useIm } from './im/useIm'
@@ -40,7 +58,11 @@ export type {
   ChatType,
   MsgStatus,
   ImMessage,
+  BlacklistCheckResult,
+  BlacklistEntry,
+  ConversationGroupItem,
   ConversationView,
+  GroupReadReceiptSummary,
   HistoryQuery,
   ImGroup,
   FriendRequest,
diff --git a/src/types/index.ts b/src/types/index.ts
index 1526599..82567d8 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -47,6 +47,7 @@ export interface ImMessage {
 export interface ConversationView {
   targetId: string
   chatType: ChatType
+  conversationGroup?: string | null
   lastMsgContent?: string | null
   lastMsgType?: string | null
   lastMsgTime: number
@@ -96,9 +97,17 @@ export interface ImGroup {
   memberIds: string
   adminIds: string
   announcement?: string | null
+  memberInfo?: string | null
+  extAttributes?: string | null
   createdAt?: string | number | null
 }
 
+export interface ConversationGroupItem {
+  targetId: string
+  chatType: ChatType
+  groupName: string
+}
+
 export interface FriendRequest {
   id: string
   appId?: string
@@ -121,6 +130,29 @@ export interface GroupJoinRequest {
   reviewedAt?: string | number | null
 }
 
+export interface BlacklistEntry {
+  id: string
+  appId: string
+  userId: string
+  blockedUserId: string
+  createdAt: string | number
+}
+
+export interface BlacklistCheckResult {
+  targetUserId: string
+  blockedByMe: boolean
+  blockedByTarget: boolean
+  eitherBlocked: boolean
+}
+
+export interface GroupReadReceiptSummary {
+  messageId: string
+  groupId: string
+  memberCount: number
+  readCount: number
+  unreadCount: number
+}
+
 export interface SendMessageParams {
   messageId?: string
   toId: string