diff --git a/cpp/LunaHook/LunaHook/engines/python/python.cpp b/cpp/LunaHook/LunaHook/engines/python/python.cpp
index a4bab9c6..0f3eaf7a 100644
--- a/cpp/LunaHook/LunaHook/engines/python/python.cpp
+++ b/cpp/LunaHook/LunaHook/engines/python/python.cpp
@@ -1,5 +1,6 @@
 #include "python.h"
 #include <dwrite.h>
+#include <atlbase.h>
 extern "C" __declspec(dllexport) const wchar_t *luna_internal_renpy_call_host(const wchar_t *text, int split)
 {
     return text;
@@ -139,23 +140,17 @@ namespace
         _COM_Outptr_ IUnknown **factory);
     std::list<WCHAR *> get_fonts_path(LPCWSTR family_name, BOOL is_bold, BOOL is_italic, BYTE charset)
     {
-        std::list<WCHAR *> fonts_filename_list;
         HRESULT hr;
 
-        IDWriteFactory *dwrite_factory;
+        CComPtr<IDWriteFactory> dwrite_factory;
         hr = fnDWriteCreateFactory(DWRITE_FACTORY_TYPE_ISOLATED, __uuidof(IDWriteFactory), reinterpret_cast<IUnknown **>(&dwrite_factory));
         if (FAILED(hr))
-        {
-            return fonts_filename_list;
-        }
+            return {};
 
-        IDWriteGdiInterop *gdi_interop;
+        CComPtr<IDWriteGdiInterop> gdi_interop;
         hr = dwrite_factory->GetGdiInterop(&gdi_interop);
         if (FAILED(hr))
-        {
-            dwrite_factory->Release();
-            return fonts_filename_list;
-        }
+            return {};
 
         LOGFONT lf;
         memset(&lf, 0, sizeof(lf));
@@ -172,98 +167,57 @@ namespace
         HDC hdc = CreateCompatibleDC(NULL);
         HFONT hOldFont = SelectFont(hdc, hFont);
 
-        IDWriteFontFace *font_face;
+        CComPtr<IDWriteFontFace> font_face;
         hr = gdi_interop->CreateFontFaceFromHdc(hdc, &font_face);
         if (FAILED(hr))
-        {
-            gdi_interop->Release();
-            dwrite_factory->Release();
-            return fonts_filename_list;
-        }
+            return {};
 
         UINT file_count;
         hr = font_face->GetFiles(&file_count, NULL);
         if (FAILED(hr))
-        {
-            font_face->Release();
-            gdi_interop->Release();
-            dwrite_factory->Release();
-            return fonts_filename_list;
-        }
+            return {};
 
-        IDWriteFontFile **font_files = new IDWriteFontFile *[file_count];
-        hr = font_face->GetFiles(&file_count, font_files);
+        auto font_files_1 = std::make_unique<IDWriteFontFile *[]>(file_count);
+        hr = font_face->GetFiles(&file_count, font_files_1.get());
         if (FAILED(hr))
-        {
-            font_face->Release();
-            gdi_interop->Release();
-            dwrite_factory->Release();
-            return fonts_filename_list;
-        }
-
+            return {};
+        auto font_files = std::make_unique<CComPtr<IDWriteFontFile>[]>(file_count);
+        for (auto i = 0; i < file_count; i++)
+            font_files[i].Attach(font_files_1[i]);
+        std::list<WCHAR *> fonts_filename_list;
         for (int i = 0; i < file_count; i++)
         {
             LPCVOID font_file_reference_key;
             UINT font_file_reference_key_size;
             hr = font_files[i]->GetReferenceKey(&font_file_reference_key, &font_file_reference_key_size);
             if (FAILED(hr))
-            {
-                font_files[i]->Release();
                 continue;
-            }
 
-            IDWriteFontFileLoader *loader;
+            CComPtr<IDWriteFontFileLoader> loader;
             hr = font_files[i]->GetLoader(&loader);
             if (FAILED(hr))
-            {
-                font_files[i]->Release();
                 continue;
-            }
 
-            IDWriteLocalFontFileLoader *local_loader;
-            hr = loader->QueryInterface(__uuidof(IDWriteLocalFontFileLoader), (void **)&local_loader);
+            CComPtr<IDWriteLocalFontFileLoader> local_loader;
+            hr = loader.QueryInterface(&local_loader);
             if (FAILED(hr))
-            {
-                loader->Release();
-                font_files[i]->Release();
                 continue;
-            }
 
             UINT32 path_length;
             hr = local_loader->GetFilePathLengthFromKey(font_file_reference_key, font_file_reference_key_size, &path_length);
             if (FAILED(hr))
-            {
-                local_loader->Release();
-                loader->Release();
-                font_files[i]->Release();
                 continue;
-            }
 
             WCHAR *path = new WCHAR[path_length + 1];
             hr = local_loader->GetFilePathFromKey(font_file_reference_key, font_file_reference_key_size, path, path_length + 1);
             if (FAILED(hr))
-            {
-                local_loader->Release();
-                loader->Release();
-                font_files[i]->Release();
                 continue;
-            }
-
             fonts_filename_list.push_back(path);
-
-            local_loader->Release();
-            loader->Release();
-            font_files[i]->Release();
         }
-
-        font_face->Release();
-        gdi_interop->Release();
         SelectObject(hdc, hOldFont);
         ReleaseDC(NULL, hdc);
         DeleteObject(hFont);
 
-        dwrite_factory->Release();
-
         return fonts_filename_list;
     }
 
diff --git a/cpp/implsapi.cpp b/cpp/implsapi.cpp
index 5a9b38c2..5db79a6d 100644
--- a/cpp/implsapi.cpp
+++ b/cpp/implsapi.cpp
@@ -1,9 +1,9 @@
 
 std::optional<std::vector<byte>> _Speak(std::wstring &Content, const wchar_t *token, int voiceid, int rate, int volume)
 {
-    ISpVoice *pVoice = NULL;
     if (FAILED(::CoInitialize(NULL)))
         return {};
+    CComPtr<ISpVoice> pVoice = NULL;
     std::optional<std::vector<byte>> ret = {};
     do
     {
@@ -13,7 +13,7 @@ std::optional<std::vector<byte>> _Speak(std::wstring &Content, const wchar_t *to
             ret = {};
             break;
         }
-        IEnumSpObjectTokens *pSpEnumTokens = NULL;
+        CComPtr<IEnumSpObjectTokens> pSpEnumTokens = NULL;
         if (SUCCEEDED(SpEnumTokens(token, NULL, NULL, &pSpEnumTokens)))
         {
             ULONG ulTokensNumber = 0;
@@ -60,9 +60,6 @@ std::optional<std::vector<byte>> _Speak(std::wstring &Content, const wchar_t *to
             }
             pVoice->SetOutput(cpWavStream, TRUE);
             pVoice->Speak(Content.c_str(), SPF_IS_XML, NULL);
-            pVoice->Release();
-            pSpEnumTokens->Release();
-            pVoice = NULL;
 
             /*To verify that the data has been written correctly, uncomment this, you should hear the voice.
             cpVoice->SetOutput(NULL, FALSE);
@@ -74,7 +71,7 @@ std::optional<std::vector<byte>> _Speak(std::wstring &Content, const wchar_t *to
             hr = cpWavStream->Seek(a, STREAM_SEEK_SET, NULL);
 
             // get the base istream from the ispstream
-            IStream *pIstream;
+            CComPtr<IStream> pIstream;
             cpWavStream->GetBaseStream(&pIstream);
 
             // calculate the size that is to be read
@@ -131,7 +128,6 @@ std::optional<std::vector<byte>> _Speak(std::wstring &Content, const wchar_t *to
                 cout << endl;
             */
             ret = std::move(datas);
-            pIstream->Release();
         }
 
     } while (0);
@@ -144,9 +140,9 @@ std::vector<std::wstring> _List(const wchar_t *token)
 {
     if (FAILED(::CoInitialize(NULL)))
         return {};
-    ISpVoice *pSpVoice = NULL;
+    CComPtr<ISpVoice> pSpVoice = NULL;
     std::vector<std::wstring> ret;
-    IEnumSpObjectTokens *pSpEnumTokens = NULL;
+    CComPtr<IEnumSpObjectTokens> pSpEnumTokens = NULL;
     if (FAILED(CoCreateInstance(CLSID_SpVoice, NULL, CLSCTX_ALL, IID_ISpVoice, (void **)&pSpVoice)))
     {
         return {};
@@ -155,7 +151,7 @@ std::vector<std::wstring> _List(const wchar_t *token)
     {
         ULONG ulTokensNumber = 0;
         pSpEnumTokens->GetCount(&ulTokensNumber);
-        ISpObjectToken *m_pISpObjectToken;
+        CComPtr<ISpObjectToken> m_pISpObjectToken;
         for (ULONG i = 0; i < ulTokensNumber; i++)
         {
             pSpEnumTokens->Item(i, &m_pISpObjectToken);
@@ -168,15 +164,10 @@ std::vector<std::wstring> _List(const wchar_t *token)
                     ret.emplace_back(pszVoiceName);
                     CoTaskMemFree(pszVoiceName);
                 }
-
                 CoTaskMemFree(pszVoiceId);
             }
         }
-        m_pISpObjectToken->Release();
-
-        pSpEnumTokens->Release();
     }
-    pSpVoice->Release();
     ::CoUninitialize();
     return ret;
 }
\ No newline at end of file
diff --git a/cpp/winsharedutils/MWebBrowser.cpp b/cpp/winsharedutils/MWebBrowser.cpp
index 3f214fcb..7ec20b77 100644
--- a/cpp/winsharedutils/MWebBrowser.cpp
+++ b/cpp/winsharedutils/MWebBrowser.cpp
@@ -133,14 +133,12 @@ MWebBrowser::MWebBrowser(HWND hwndParent) : m_nRefCount(0),
     m_hr = CreateBrowser(hwndParent);
 
     htmlSource = L"";
-    IConnectionPointContainer *container = nullptr;
-    m_web_browser2->QueryInterface(IID_IConnectionPointContainer, (void **)&container);
+    CComPtr<IConnectionPointContainer> container = nullptr;
+    m_web_browser2.QueryInterface(&container);
     container->FindConnectionPoint(__uuidof(DWebBrowserEvents2), &callback);
-    IUnknown *punk = nullptr;
+    CComPtr<IUnknown> punk = nullptr;
     QueryInterface(IID_IUnknown, (void **)&punk);
     callback->Advise(punk, &eventCookie);
-    punk->Release();
-    container->Release();
     jsobj = new JSObject();
     jsobj->AddRef();
 }
@@ -152,26 +150,6 @@ BOOL MWebBrowser::IsCreated() const
 
 MWebBrowser::~MWebBrowser()
 {
-    if (m_pDocHostUIHandler)
-    {
-        m_pDocHostUIHandler->Release();
-        m_pDocHostUIHandler = NULL;
-    }
-    if (m_ole_object)
-    {
-        m_ole_object->Release();
-        m_ole_object = NULL;
-    }
-    if (m_ole_inplace_object)
-    {
-        m_ole_inplace_object->Release();
-        m_ole_inplace_object = NULL;
-    }
-    if (m_web_browser2)
-    {
-        m_web_browser2->Release();
-        m_web_browser2 = NULL;
-    }
     if (jsobj)
     {
         jsobj->Release();
@@ -242,12 +220,7 @@ HRESULT MWebBrowser::CreateBrowser(HWND hwndParent)
         return hr;
     }
 
-    if (m_pDocHostUIHandler)
-    {
-        m_pDocHostUIHandler->Release();
-        m_pDocHostUIHandler = NULL;
-    }
-    m_ole_object->QueryInterface(&m_pDocHostUIHandler);
+    m_ole_object.QueryInterface(&m_pDocHostUIHandler);
 
     hr = m_ole_object->SetClientSite(this);
     if (FAILED(hr))
@@ -273,7 +246,7 @@ HRESULT MWebBrowser::CreateBrowser(HWND hwndParent)
         return hr;
     }
 
-    hr = m_ole_object->QueryInterface(&m_web_browser2);
+    hr = m_ole_object.QueryInterface(&m_web_browser2);
     if (FAILED(hr))
     {
         assert(0);
@@ -361,19 +334,17 @@ void MWebBrowser::StopDownload()
     if (!m_web_browser2)
         return;
 
-    IDispatch *pDisp;
+    CComPtr<IDispatch> pDisp;
     m_web_browser2->get_Document(&pDisp);
     if (pDisp)
     {
-        IOleCommandTarget *pCmdTarget = NULL;
-        pDisp->QueryInterface(&pCmdTarget);
+        CComPtr<IOleCommandTarget> pCmdTarget = NULL;
+        pDisp.QueryInterface(&pCmdTarget);
         if (pCmdTarget)
         {
             OLECMDEXECOPT option = OLECMDEXECOPT_DONTPROMPTUSER;
             pCmdTarget->Exec(NULL, OLECMDID_STOPDOWNLOAD, option, NULL, NULL);
-            pCmdTarget->Release();
         }
-        pDisp->Release();
     }
 }
 
@@ -430,12 +401,12 @@ void MWebBrowser::Print(BOOL bBang)
     if (!m_web_browser2)
         return;
 
-    IDispatch *pDisp;
+    CComPtr<IDispatch> pDisp;
     m_web_browser2->get_Document(&pDisp);
     if (pDisp)
     {
-        IOleCommandTarget *pCmdTarget = NULL;
-        pDisp->QueryInterface(&pCmdTarget);
+        CComPtr<IOleCommandTarget> pCmdTarget = NULL;
+        pDisp.QueryInterface(&pCmdTarget);
         if (pCmdTarget)
         {
             OLECMDEXECOPT option;
@@ -444,9 +415,7 @@ void MWebBrowser::Print(BOOL bBang)
             else
                 option = OLECMDEXECOPT_PROMPTUSER;
             pCmdTarget->Exec(NULL, OLECMDID_PRINT, option, NULL, NULL);
-            pCmdTarget->Release();
         }
-        pDisp->Release();
     }
 }
 
@@ -455,19 +424,17 @@ void MWebBrowser::PrintPreview()
     if (!m_web_browser2)
         return;
 
-    IDispatch *pDisp;
+    CComPtr<IDispatch> pDisp;
     m_web_browser2->get_Document(&pDisp);
     if (pDisp)
     {
-        IOleCommandTarget *pCmdTarget = NULL;
-        pDisp->QueryInterface(&pCmdTarget);
+        CComPtr<IOleCommandTarget> pCmdTarget = NULL;
+        pDisp.QueryInterface(&pCmdTarget);
         if (pCmdTarget)
         {
             OLECMDEXECOPT option = OLECMDEXECOPT_DONTPROMPTUSER;
             pCmdTarget->Exec(NULL, OLECMDID_PRINTPREVIEW, option, NULL, NULL);
-            pCmdTarget->Release();
         }
-        pDisp->Release();
     }
 }
 
@@ -476,19 +443,17 @@ void MWebBrowser::PageSetup()
     if (!m_web_browser2)
         return;
 
-    IDispatch *pDisp;
+    CComPtr<IDispatch> pDisp;
     m_web_browser2->get_Document(&pDisp);
     if (pDisp)
     {
-        IOleCommandTarget *pCmdTarget = NULL;
-        pDisp->QueryInterface(&pCmdTarget);
+        CComPtr<IOleCommandTarget> pCmdTarget;
+        pDisp.QueryInterface(&pCmdTarget);
         if (pCmdTarget)
         {
             OLECMDEXECOPT option = OLECMDEXECOPT_DONTPROMPTUSER;
             pCmdTarget->Exec(NULL, OLECMDID_PAGESETUP, option, NULL, NULL);
-            pCmdTarget->Release();
         }
-        pDisp->Release();
     }
 }
 
@@ -497,12 +462,11 @@ BOOL MWebBrowser::TranslateAccelerator(LPMSG pMsg)
     if (!m_web_browser2)
         return FALSE;
 
-    IOleInPlaceActiveObject *pOIPAO = NULL;
-    HRESULT hr = m_web_browser2->QueryInterface(&pOIPAO);
+    CComPtr<IOleInPlaceActiveObject> pOIPAO = NULL;
+    HRESULT hr = m_web_browser2.QueryInterface(&pOIPAO);
     if (SUCCEEDED(hr))
     {
         hr = pOIPAO->TranslateAccelerator(pMsg);
-        pOIPAO->Release();
         return hr == S_OK;
     }
     return FALSE;
@@ -519,27 +483,6 @@ HRESULT MWebBrowser::get_LocationURL(BSTR *bstrURL) const
     return m_web_browser2->get_LocationURL(bstrURL);
 }
 
-HRESULT MWebBrowser::get_mimeType(BSTR *bstrMIME) const
-{
-    if (!m_web_browser2)
-    {
-        *bstrMIME = NULL;
-        return E_FAIL;
-    }
-
-    HRESULT hr = E_FAIL;
-    IDispatch *pDisp;
-    m_web_browser2->get_Document(&pDisp);
-    if (pDisp)
-    {
-        IHTMLDocument2 *pDocument = static_cast<IHTMLDocument2 *>(pDisp);
-        hr = pDocument->get_mimeType(bstrMIME);
-        pDisp->Release();
-    }
-
-    return hr;
-}
-
 BOOL MWebBrowser::is_busy() const
 {
     if (!m_web_browser2)
@@ -704,7 +647,7 @@ STDMETHODIMP MWebBrowser::CanInPlaceActivate()
 STDMETHODIMP MWebBrowser::OnInPlaceActivate()
 {
     ::OleLockRunning(m_ole_object, TRUE, FALSE);
-    m_ole_object->QueryInterface(&m_ole_inplace_object);
+    m_ole_object.QueryInterface(&m_ole_inplace_object);
     m_ole_inplace_object->SetObjectRects(&m_rc, &m_rc);
     return S_OK;
 }
@@ -957,24 +900,7 @@ STDMETHODIMP MWebBrowser::GetWindow(REFGUID rguidReason, HWND *phwnd)
 
 STDMETHODIMP MWebBrowser::OnSecurityProblem(DWORD dwProblem)
 {
-    printf("MWebBrowser::OnSecurityProblem\n");
-
-    BSTR url = NULL;
-    get_LocationURL(&url);
-    if (url)
-    {
-        SysFreeString(url);
-    }
-
-    {
-        return S_OK;
-    }
-
-    {
-        return S_OK;
-    }
-
-    return E_ABORT;
+    return S_OK;
 }
 
 // IDocHostUIHandler interface
@@ -1105,45 +1031,29 @@ HRESULT MWebBrowser::GetTypeInfoCount(UINT *pctinfo) { return E_FAIL; }
 HRESULT MWebBrowser::GetTypeInfo(UINT, LCID, ITypeInfo **) { return E_FAIL; }
 HRESULT MWebBrowser::GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) { return E_FAIL; }
 
-void AddCustomObject(IHTMLDocument2 *doc, IDispatch *custObj, std::string name)
+void AddCustomObject(IHTMLDocument2 *doc, IDispatch *custObj, std::wstring name)
 {
-
+    CComPtr<IHTMLDocument2> _doc = doc;
     if (doc == NULL)
-    {
         return;
-    }
 
-    IHTMLWindow2 *win = NULL;
-    doc->get_parentWindow(&win);
-    doc->Release();
+    CComPtr<IHTMLWindow2> win = NULL;
+    _doc->get_parentWindow(&win);
 
-    if (win == NULL)
-    {
+    if (!win)
         return;
-    }
 
-    IDispatchEx *winEx;
-    win->QueryInterface(&winEx);
-    win->Release();
+    CComPtr<IDispatchEx> winEx;
+    HRESULT hr = win.QueryInterface(&winEx);
 
-    if (winEx == NULL)
-    {
+    if (FAILED(hr) || !winEx)
         return;
-    }
-
-    int lenW = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name.c_str(), -1, NULL, 0);
-    BSTR objName = SysAllocStringLen(0, lenW);
-    MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name.c_str(), -1, objName, lenW);
 
     DISPID dispid;
-    HRESULT hr = winEx->GetDispID(objName, fdexNameEnsure, &dispid);
-
-    SysFreeString(objName);
+    hr = winEx->GetDispID(name.data(), fdexNameEnsure, &dispid);
 
     if (FAILED(hr))
-    {
         return;
-    }
 
     DISPID namedArgs[] = {DISPID_PROPERTYPUT};
     DISPPARAMS params;
@@ -1155,12 +1065,9 @@ void AddCustomObject(IHTMLDocument2 *doc, IDispatch *custObj, std::string name)
     params.cNamedArgs = 1;
 
     hr = winEx->InvokeEx(dispid, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUT, &params, NULL, NULL, NULL);
-    winEx->Release();
 
     if (FAILED(hr))
-    {
         return;
-    }
 }
 HRESULT MWebBrowser::Invoke(DISPID dispIdMember, REFIID, LCID, WORD,
                             DISPPARAMS *pDispParams, VARIANT *pVarResult,
@@ -1169,7 +1076,7 @@ HRESULT MWebBrowser::Invoke(DISPID dispIdMember, REFIID, LCID, WORD,
     if (dispIdMember == DISPID_DOCUMENTCOMPLETE)
         return OnCompleted(pDispParams);
     else if (dispIdMember == DISPID_NAVIGATECOMPLETE2)
-        return AddCustomObject(GetIHTMLDocument2(), jsobj, "LUNAJSObject"), S_OK;
+        return AddCustomObject(GetIHTMLDocument2(), jsobj, L"LUNAJSObject"), S_OK;
     else
         return S_OK;
 }
@@ -1177,19 +1084,19 @@ HRESULT MWebBrowser::OnCompleted(DISPPARAMS *args)
 {
     HRESULT hr;
 
-    IDispatch *pDispatch = 0;
-    IHTMLDocument2 *pHtmlDoc2 = 0;
-    IPersistStreamInit *pPSI = 0;
-    IStream *pStream = 0;
+    CComPtr<IDispatch> pDispatch;
+    CComPtr<IHTMLDocument2> pHtmlDoc2 = 0;
+    CComPtr<IPersistStreamInit> pPSI = 0;
+    CComPtr<IStream> pStream = 0;
     HGLOBAL hHTMLContent;
 
     if (htmlSource.empty())
         return S_OK;
     hr = m_web_browser2->get_Document(&pDispatch);
     if (SUCCEEDED(hr) && pDispatch)
-        hr = pDispatch->QueryInterface(IID_IHTMLDocument2, (void **)&pHtmlDoc2);
+        hr = pDispatch.QueryInterface(&pHtmlDoc2);
     if (SUCCEEDED(hr) && pHtmlDoc2)
-        hr = pHtmlDoc2->QueryInterface(IID_IPersistStreamInit, (void **)&pPSI);
+        hr = pHtmlDoc2.QueryInterface(&pPSI);
 
     // allocate global memory to copy the HTML content to
     hHTMLContent = ::GlobalAlloc(GMEM_MOVEABLE, (htmlSource.size() + 1) * sizeof(TCHAR));
@@ -1208,14 +1115,6 @@ HRESULT MWebBrowser::OnCompleted(DISPPARAMS *args)
         if (SUCCEEDED(hr))
             hr = pPSI->Load(pStream);
     }
-    if (pStream)
-        pStream->Release();
-    if (pPSI)
-        pPSI->Release();
-    if (pHtmlDoc2)
-        pHtmlDoc2->Release();
-    if (pDispatch)
-        pDispatch->Release();
     htmlSource = L"";
     return S_OK;
 }
diff --git a/cpp/winsharedutils/MWebBrowser.hpp b/cpp/winsharedutils/MWebBrowser.hpp
index 3eea299f..1c5f3a9a 100644
--- a/cpp/winsharedutils/MWebBrowser.hpp
+++ b/cpp/winsharedutils/MWebBrowser.hpp
@@ -84,7 +84,6 @@ public:
 
     HRESULT get_Application(IDispatch **ppApplication) const;
     HRESULT get_LocationURL(BSTR *bstrURL) const;
-    HRESULT get_mimeType(BSTR *bstrMIME) const;
     HRESULT put_Silent(VARIANT_BOOL bSilent);
     BOOL is_busy() const;
     HRESULT ZoomUp();
@@ -241,10 +240,10 @@ protected:
     HWND m_hwndParent;
     HWND m_hwndCtrl;
     HWND m_hwndIEServer;
-    IWebBrowser2 *m_web_browser2;
-    IOleObject *m_ole_object;
-    IOleInPlaceObject *m_ole_inplace_object;
-    IDocHostUIHandler *m_pDocHostUIHandler;
+    CComPtr<IWebBrowser2> m_web_browser2;
+    CComPtr<IOleObject> m_ole_object;
+    CComPtr<IOleInPlaceObject> m_ole_inplace_object;
+    CComPtr<IDocHostUIHandler> m_pDocHostUIHandler;
     RECT m_rc;
     HRESULT m_hr;
     BOOL m_bAllowInsecure;
diff --git a/cpp/winsharedutils/SimpleBrowser.cpp b/cpp/winsharedutils/SimpleBrowser.cpp
index a3394c61..9acfdfd9 100644
--- a/cpp/winsharedutils/SimpleBrowser.cpp
+++ b/cpp/winsharedutils/SimpleBrowser.cpp
@@ -245,16 +245,15 @@ DECLARE_API void html_add_menu(void *web, int index, int command, const wchar_t
 }
 BSTR GetSelectedText(IHTMLDocument2 *pHTMLDoc2)
 {
-    IHTMLSelectionObject *pSelectionObj = nullptr;
+    CComPtr<IHTMLSelectionObject> pSelectionObj = nullptr;
     HRESULT hr = pHTMLDoc2->get_selection(&pSelectionObj);
     if (FAILED(hr) || pSelectionObj == nullptr)
     {
         return nullptr;
     }
 
-    IHTMLTxtRange *pTxtRange = nullptr;
+    CComPtr<IHTMLTxtRange> pTxtRange = nullptr;
     hr = pSelectionObj->createRange((IDispatch **)&pTxtRange);
-    pSelectionObj->Release();
     if (FAILED(hr) || pTxtRange == nullptr)
     {
         return nullptr;
@@ -262,7 +261,6 @@ BSTR GetSelectedText(IHTMLDocument2 *pHTMLDoc2)
 
     BSTR selectedText = nullptr;
     hr = pTxtRange->get_text(&selectedText);
-    pTxtRange->Release();
 
     return selectedText;
 }
@@ -272,10 +270,9 @@ DECLARE_API const wchar_t *html_get_select_text(void *web)
         return L"";
     auto ww = static_cast<MWebBrowserEx *>(web);
 
-    if (IHTMLDocument2 *pDocument = ww->GetIHTMLDocument2())
+    if (CComPtr<IHTMLDocument2> pDocument = ww->GetIHTMLDocument2())
     {
         auto text = GetSelectedText(pDocument);
-        pDocument->Release();
         // 不需要free，free会崩溃
         return text;
     }
@@ -297,3 +294,49 @@ DECLARE_API HWND html_get_ie(void *web)
     auto ww = static_cast<MWebBrowserEx *>(web);
     return ww->GetIEServerWindow();
 }
+
+DECLARE_API void html_eval(void *web, const wchar_t *js)
+{
+    if (!web)
+        return;
+    auto ww = static_cast<MWebBrowserEx *>(web);
+    CComPtr<IHTMLDocument2> pDocument = ww->GetIHTMLDocument2();
+    if (!pDocument)
+        return;
+    CComPtr<IDispatch> scriptDispatch;
+    if (FAILED(pDocument->get_Script(&scriptDispatch)))
+        return;
+    DISPID dispid;
+    BSTR evalStr = SysAllocString(L"eval");
+    if (scriptDispatch->GetIDsOfNames(IID_NULL, &evalStr, 1,
+                                      LOCALE_SYSTEM_DEFAULT, &dispid) != S_OK)
+    {
+        SysFreeString(evalStr);
+        return;
+    }
+    SysFreeString(evalStr);
+
+    DISPPARAMS params;
+    VARIANT arg;
+    VARIANT result;
+    EXCEPINFO excepInfo;
+    UINT nArgErr = (UINT)-1;
+    params.cArgs = 1;
+    params.cNamedArgs = 0;
+    params.rgvarg = &arg;
+    arg.vt = VT_BSTR;
+    static const wchar_t *prologue = L"(function(){";
+    static const wchar_t *epilogue = L";})();";
+    int n = wcslen(prologue) + wcslen(epilogue) + wcslen(js) + 1;
+    auto eval = std::make_unique<wchar_t[]>(n);
+    _snwprintf(eval.get(), n, L"%s%s%s", prologue, js, epilogue);
+    arg.bstrVal = SysAllocString(eval.get());
+    if (scriptDispatch->Invoke(
+            dispid, IID_NULL, 0, DISPATCH_METHOD,
+            &params, &result, &excepInfo, &nArgErr) != S_OK)
+    {
+        SysFreeString(arg.bstrVal);
+        return;
+    }
+    SysFreeString(arg.bstrVal);
+}
diff --git a/cpp/winsharedutils/hwnd.cpp b/cpp/winsharedutils/hwnd.cpp
index 71362446..8a494540 100644
--- a/cpp/winsharedutils/hwnd.cpp
+++ b/cpp/winsharedutils/hwnd.cpp
@@ -201,14 +201,12 @@ DECLARE_API void GetSelectedText(void (*cb)(const wchar_t *))
         }
 
         // 提取文本
-        BSTR text;
+        wil::unique_bstr text;
         if (FAILED(range->GetText(-1, &text)) || !text)
         {
             throw std::runtime_error("无法提取选定的文本.");
         }
-        std::wstring selectedText(text, SysStringLen(text));
-        SysFreeString(text);
-        cb(selectedText.c_str());
+        cb(text.get());
     }
     catch (std::exception &e)
     {
diff --git a/cpp/winsharedutils/lnk.cpp b/cpp/winsharedutils/lnk.cpp
index 6f08af4d..ca708489 100644
--- a/cpp/winsharedutils/lnk.cpp
+++ b/cpp/winsharedutils/lnk.cpp
@@ -6,14 +6,13 @@ DECLARE_API void GetLnkTargetPath(wchar_t *lnkFilePath, wchar_t *path, wchar_t *
     wcscpy(iconpath, L"");
     CoInitialize(NULL);
 
-    IShellLink *shellLink;
+    CComPtr<IShellLink> shellLink;
     HRESULT hr = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (LPVOID *)&shellLink);
 
     if (SUCCEEDED(hr))
     {
-        IPersistFile *persistFile;
-        hr = shellLink->QueryInterface(IID_IPersistFile, (LPVOID *)&persistFile);
-
+        CComPtr<IPersistFile> persistFile;
+        auto hr = shellLink.QueryInterface(&persistFile);
         if (SUCCEEDED(hr))
         {
             WCHAR wsz[MAX_PATH];
@@ -44,11 +43,7 @@ DECLARE_API void GetLnkTargetPath(wchar_t *lnkFilePath, wchar_t *path, wchar_t *
                         wcscpy(path, L"");
                 }
             }
-
-            persistFile->Release();
         }
-
-        shellLink->Release();
     }
 
     CoUninitialize();
diff --git a/py/LunaTranslator/gui/usefulwidget.py b/py/LunaTranslator/gui/usefulwidget.py
index 01855765..f6d24573 100644
--- a/py/LunaTranslator/gui/usefulwidget.py
+++ b/py/LunaTranslator/gui/usefulwidget.py
@@ -1399,6 +1399,9 @@ class QWebWrap(abstractwebview):
 class mshtmlWidget(abstractwebview):
     CommandBase = 10086
 
+    def eval(self, js):
+        winsharedutils.html_eval(self.browser, js)
+
     def bindhelper(self, func, ppwc, argc):
         argv = []
         for i in range(argc):
diff --git a/py/LunaTranslator/winsharedutils.py b/py/LunaTranslator/winsharedutils.py
index ddbcbe4d..d17a397a 100644
--- a/py/LunaTranslator/winsharedutils.py
+++ b/py/LunaTranslator/winsharedutils.py
@@ -142,7 +142,8 @@ html_bind_function.argtypes = c_void_p, c_wchar_p, html_bind_function_FT
 html_get_ie = utilsdll.html_get_ie
 html_get_ie.argtypes = (c_void_p,)
 html_get_ie.restype = HWND
-
+html_eval = utilsdll.html_eval
+html_eval.argtypes = c_void_p, c_wchar_p
 _GetLnkTargetPath = utilsdll.GetLnkTargetPath
 _GetLnkTargetPath.argtypes = c_wchar_p, c_wchar_p, c_wchar_p, c_wchar_p