diff --git a/WeChatFerry/spy/chatroom_mgmt.cpp b/WeChatFerry/spy/chatroom_mgmt.cpp
deleted file mode 100644
index ce36eac..0000000
--- a/WeChatFerry/spy/chatroom_mgmt.cpp
+++ /dev/null
@@ -1,114 +0,0 @@
-#include "framework.h"
-#include <sstream>
-#include <vector>
-
-#include "chatroom_mgmt.h"
-#include "log.h"
-#include "util.h"
-
-using namespace std;
-extern QWORD g_WeChatWinDllAddr;
-
-#define OS_GET_CHATROOM_MGR 0x1B894E0
-#define OS_ADD_MEMBERS      0x215A820
-#define OS_DELETE_MEMBERS   0x215AE60
-#define OS_INVITE_MEMBERS   0x215A200
-
-typedef QWORD (*GetChatRoomMgr_t)();
-typedef QWORD (*AddMemberToChatRoom_t)(QWORD, QWORD, QWORD, QWORD);
-typedef QWORD (*DelMemberFromChatRoom_t)(QWORD, QWORD, QWORD);
-typedef QWORD (*InviteMemberToChatRoom_t)(QWORD, QWORD, QWORD, QWORD);
-
-int AddChatroomMember(string roomid, string wxids)
-{
-    int status = -1;
-
-    if (roomid.empty() || wxids.empty()) {
-        LOG_ERROR("Empty roomid or wxids.");
-        return status;
-    }
-
-    GetChatRoomMgr_t GetChatRoomMgr  = (GetChatRoomMgr_t)(g_WeChatWinDllAddr + OS_GET_CHATROOM_MGR);
-    AddMemberToChatRoom_t AddMembers = (AddMemberToChatRoom_t)(g_WeChatWinDllAddr + OS_ADD_MEMBERS);
-
-    vector<wstring> vMembers;
-    vector<WxString> vWxMembers;
-    wstringstream wss(String2Wstring(wxids));
-    while (wss.good()) {
-        wstring wstr;
-        getline(wss, wstr, L',');
-        vMembers.push_back(wstr);
-        WxString wxMember(vMembers.back());
-        vWxMembers.push_back(wxMember);
-    }
-
-    QWORD temp[2]       = { 0 };
-    WxString *pWxRoomid = NewWxStringFromStr(roomid);
-    QWORD pMembers      = (QWORD) & ((RawVector_t *)&vWxMembers)->start;
-
-    QWORD mgr = GetChatRoomMgr();
-    status    = (int)AddMembers(mgr, pMembers, (QWORD)pWxRoomid, (QWORD)temp);
-    return status;
-}
-
-int DelChatroomMember(string roomid, string wxids)
-{
-    int status = -1;
-
-    if (roomid.empty() || wxids.empty()) {
-        LOG_ERROR("Empty roomid or wxids.");
-        return status;
-    }
-
-    GetChatRoomMgr_t GetChatRoomMgr    = (GetChatRoomMgr_t)(g_WeChatWinDllAddr + OS_GET_CHATROOM_MGR);
-    DelMemberFromChatRoom_t DelMembers = (DelMemberFromChatRoom_t)(g_WeChatWinDllAddr + OS_DELETE_MEMBERS);
-
-    vector<wstring> vMembers;
-    vector<WxString> vWxMembers;
-    wstringstream wss(String2Wstring(wxids));
-    while (wss.good()) {
-        wstring wstr;
-        getline(wss, wstr, L',');
-        vMembers.push_back(wstr);
-        WxString wxMember(vMembers.back());
-        vWxMembers.push_back(wxMember);
-    }
-
-    WxString *pWxRoomid = NewWxStringFromStr(roomid);
-    QWORD pMembers      = (QWORD) & ((RawVector_t *)&vWxMembers)->start;
-
-    QWORD mgr = GetChatRoomMgr();
-    status    = (int)DelMembers(mgr, pMembers, (QWORD)pWxRoomid);
-    return status;
-}
-
-int InviteChatroomMember(string roomid, string wxids)
-{
-    int status = -1;
-
-    if (roomid.empty() || wxids.empty()) {
-        LOG_ERROR("Empty roomid or wxids.");
-        return status;
-    }
-
-    InviteMemberToChatRoom_t InviteMembers = (InviteMemberToChatRoom_t)(g_WeChatWinDllAddr + OS_INVITE_MEMBERS);
-
-    vector<wstring> vMembers;
-    vector<WxString> vWxMembers;
-    wstringstream wss(String2Wstring(wxids));
-    while (wss.good()) {
-        wstring wstr;
-        getline(wss, wstr, L',');
-        vMembers.push_back(wstr);
-        WxString wxMember(vMembers.back());
-        vWxMembers.push_back(wxMember);
-    }
-    QWORD temp[2]       = { 0 };
-    wstring wsRoomid    = String2Wstring(roomid);
-    WxString *pWxRoomid = NewWxStringFromWstr(wsRoomid);
-    QWORD pMembers      = (QWORD) & ((RawVector_t *)&vWxMembers)->start;
-
-    status = (int)InviteMembers((QWORD)wsRoomid.c_str(), pMembers, (QWORD)pWxRoomid, (QWORD)temp);
-    return status;
-}
-