diff --git a/cpp/common.hpp b/cpp/common.hpp
index 525ae8ff..dc0ac967 100644
--- a/cpp/common.hpp
+++ b/cpp/common.hpp
@@ -1,20 +1,4 @@
-struct AutoHandle
-{
-    HANDLE _handle;
-    AutoHandle(HANDLE handle) : _handle(handle) {};
-    ~AutoHandle()
-    {
-        CloseHandle(_handle);
-    }
-    operator HANDLE()
-    {
-        return _handle;
-    }
-    operator bool()
-    {
-        return _handle == INVALID_HANDLE_VALUE;
-    }
-};
+
 inline SECURITY_ATTRIBUTES allAccess = std::invoke([] // allows non-admin processes to access kernel objects made by admin processes
                                                    {
 	static SECURITY_DESCRIPTOR sd = {};
diff --git a/cpp/exec/PyStand.cpp b/cpp/exec/PyStand.cpp
index 3ff8c2f1..ab0e4597 100644
--- a/cpp/exec/PyStand.cpp
+++ b/cpp/exec/PyStand.cpp
@@ -323,11 +323,11 @@ int main()
 {
 	{
 		// 当更新进行时，禁止启动
-		AutoHandle hMutex = CreateMutex(NULL, FALSE, L"LUNA_UPDATER_SINGLE");
+		CHandle hMutex{CreateMutex(NULL, FALSE, L"LUNA_UPDATER_SINGLE")};
 		if (GetLastError() == ERROR_ALREADY_EXISTS)
 			return 0;
 	}
-	auto __handle = AutoHandle(CreateMutexA(&allAccess, FALSE, "LUNA_UPDATER_BLOCK"));
+	CHandle __handle{CreateMutexA(&allAccess, FALSE, "LUNA_UPDATER_BLOCK")};
 	PyStand ps(L"files\\runtime");
 	if (ps.DetectScript() != 0)
 	{
diff --git a/cpp/implsapi.cpp b/cpp/implsapi.cpp
index fe1112fa..3bfd1869 100644
--- a/cpp/implsapi.cpp
+++ b/cpp/implsapi.cpp
@@ -55,10 +55,10 @@ std::optional<std::vector<byte>> _Speak(std::wstring &Content, const wchar_t *to
 
         ULONG bytesRead; //	this will tell the number of bytes that have been read
         std::vector<byte> datas;
-        datas.resize(sSize + 0x3ea);
+        datas.resize(sSize + 46);
         auto pBuffer = datas.data(); // buffer to read the data
         // memcpy(pBuffer,&wavHeader,sizeof(WAV_HEADER));
-        int fsize = sSize + 0x3ea;
+        int fsize = sSize + 46;
         int ptr = 0;
         memcpy(pBuffer, "RIFF", 4);
         ptr += 4;
diff --git a/cpp/pch.h b/cpp/pch.h
index 29aaa737..e4df0858 100644
--- a/cpp/pch.h
+++ b/cpp/pch.h
@@ -12,6 +12,7 @@
 #include <mmdeviceapi.h>
 #include <Psapi.h>
 #include <atlbase.h>
+#include <atlsync.h>
 
 #include <iostream>
 #include <string>
diff --git a/cpp/shareddllproxy/Atlas.cpp b/cpp/shareddllproxy/Atlas.cpp
index 36a65652..39738847 100644
--- a/cpp/shareddllproxy/Atlas.cpp
+++ b/cpp/shareddllproxy/Atlas.cpp
@@ -489,51 +489,10 @@ char *TranslateFull(char *otext, int freeText, int NeedAbort(int line, int lines
 	return out;
 }
 
-static wchar_t *logFile = 0;
-void SetLogFile(wchar_t *file)
-{
-	logFile = file;
-}
-
-wchar_t *TranslateFullLog(wchar_t *otext)
-{
-	if (logFile && logFile[0])
-	{
-		HANDLE hMutex = CreateMutex(0, 0, L"TRAG Logging Super Mutext +10 from Outer Space");
-		DWORD res;
-		if (hMutex)
-			res = WaitForSingleObject(hMutex, 2000);
-		HANDLE hFile = CreateFile(logFile, GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_ALWAYS, 0, 0);
-		if (hFile != INVALID_HANDLE_VALUE)
-		{
-			DWORD junk;
-			if (GetLastError() == ERROR_ALREADY_EXISTS)
-				SetFilePointer(hFile, 0, 0, FILE_END);
-			else
-			{
-				wchar_t bom = 0xFEFF;
-				WriteFile(hFile, &bom, sizeof(wchar_t), &junk, 0);
-			}
-			WriteFile(hFile, otext, sizeof(wchar_t) * wcslen(otext), &junk, 0);
-			WriteFile(hFile, L"\r\n", sizeof(wchar_t) * 2, &junk, 0);
-			CloseHandle(hFile);
-		}
-		if (hMutex)
-		{
-			// Prolly not needed.
-			if (WAIT_OBJECT_0 == res)
-				ReleaseMutex(hMutex);
-			CloseHandle(hMutex);
-		}
-	}
-	return TranslateFull(otext);
-}
-
 struct AtlasConfig atlcfg;
 
 void writestring(const wchar_t *text, HANDLE hPipe);
 wchar_t *readstring(HANDLE hPipe);
-HANDLE mutex = NULL;
 int atlaswmain(int argc, wchar_t *argv[])
 {
 
@@ -548,33 +507,6 @@ int atlaswmain(int argc, wchar_t *argv[])
 		if (!src)
 			break;
 
-		if (!mutex)
-		{
-			mutex = CreateMutex(NULL, FALSE, NULL);
-			if (!mutex)
-			{
-				return false;
-			}
-		}
-		bool waitingForMutex = true;
-		while (waitingForMutex)
-		{
-			switch (WaitForSingleObject(mutex, INFINITE))
-			{
-			case WAIT_OBJECT_0:
-			{
-				waitingForMutex = false;
-				break;
-			}
-			case WAIT_ABANDONED:
-			{
-				return false;
-			}
-			default:
-			{
-			}
-			}
-		}
 		if (!AtlasIsLoaded())
 		{
 			// atlcfg.flags = ~BREAK_ON_SINGLE_LINE_BREAKS;
@@ -583,7 +515,6 @@ int atlaswmain(int argc, wchar_t *argv[])
 			InitAtlas(atlcfg, ATLAS_JAP_TO_ENG);
 			if (!AtlasIsLoaded())
 			{
-				ReleaseMutex(mutex);
 				writestring(0, hPipe);
 				return false;
 			}
@@ -592,7 +523,6 @@ int atlaswmain(int argc, wchar_t *argv[])
 		writestring(text, hPipe);
 		free(src);
 		free(text);
-		ReleaseMutex(mutex);
 	}
 
 	return 0;
diff --git a/cpp/shareddllproxy/Atlas.h b/cpp/shareddllproxy/Atlas.h
index 57c7db26..960d4b3a 100644
--- a/cpp/shareddllproxy/Atlas.h
+++ b/cpp/shareddllproxy/Atlas.h
@@ -39,9 +39,6 @@ char *TranslateFull(char *otext, int freeText = 0, int NeedAbort(int line, int l
 
 int AtlasIsLoaded();
 
-// dirty hack
-void SetLogFile(wchar_t *file);
-wchar_t *TranslateFullLog(wchar_t *otext);
 /*
 wchar_t path[MAX_PATH];
 GetCurrentDirectory(MAX_PATH, path);
diff --git a/cpp/shareddllproxy/aspatch.cpp b/cpp/shareddllproxy/aspatch.cpp
index 024a6f4f..a2fdcabb 100644
--- a/cpp/shareddllproxy/aspatch.cpp
+++ b/cpp/shareddllproxy/aspatch.cpp
@@ -39,7 +39,7 @@ std::wstring stolower(const std::wstring &s1)
 std::vector<DWORD> EnumerateProcesses(const std::wstring &exe)
 {
 
-    AutoHandle hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+    CHandle hSnapshot{CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)};
     if (hSnapshot == INVALID_HANDLE_VALUE)
     {
         return {};
diff --git a/cpp/shareddllproxy/update.cpp b/cpp/shareddllproxy/update.cpp
index eabec2f9..e6bc9b3d 100644
--- a/cpp/shareddllproxy/update.cpp
+++ b/cpp/shareddllproxy/update.cpp
@@ -5,13 +5,13 @@ int updatewmain(int argc, wchar_t *argv[])
     if (argc <= 1)
         return 0;
     SetProcessDPIAware();
-    AutoHandle hMutex = CreateMutex(NULL, FALSE, L"LUNA_UPDATER_SINGLE");
+    CHandle hMutex{CreateMutex(NULL, FALSE, L"LUNA_UPDATER_SINGLE")};
 
     if (GetLastError() == ERROR_ALREADY_EXISTS)
         return 0;
     while (true)
     {
-        AutoHandle semaphore = CreateMutex(NULL, FALSE, L"LUNA_UPDATER_BLOCK");
+        CHandle semaphore{CreateMutex(NULL, FALSE, L"LUNA_UPDATER_BLOCK")};
         if (GetLastError() != ERROR_ALREADY_EXISTS)
             break;
         Sleep(1000);
diff --git a/cpp/shareddllproxy/voiceroid2/api_adapter.cc b/cpp/shareddllproxy/voiceroid2/api_adapter.cc
index 70f611a2..9627405b 100644
--- a/cpp/shareddllproxy/voiceroid2/api_adapter.cc
+++ b/cpp/shareddllproxy/voiceroid2/api_adapter.cc
@@ -26,12 +26,10 @@ namespace ebyroid
 
   ApiAdapter *ApiAdapter::Create(const char *dllpath)
   {
-    printf("dllpath %s\n", dllpath);
     HINSTANCE handle = LoadLibraryA(dllpath);
     if (handle == nullptr)
     {
       char m[128];
-      printf("load error\n");
       std::snprintf(m,
                     128,
                     "LoadLibrary failed with code %d (Check out the voiceroid path setting)",
@@ -52,7 +50,6 @@ namespace ebyroid
     adapter->text_to_speech_ = LoadProc<ApiTextToSpeech>(handle, "_AITalkAPI_TextToSpeech@12");
     adapter->close_speech_ = LoadProc<ApiCloseSpeech>(handle, "_AITalkAPI_CloseSpeech@8");
     adapter->get_data_ = LoadProc<ApiGetData>(handle, "_AITalkAPI_GetData@16");
-    printf("load dll ok\n");
     return adapter;
   }
 
diff --git a/cpp/shareddllproxy/voiceroid2/ebyroid.cc b/cpp/shareddllproxy/voiceroid2/ebyroid.cc
index cc774236..e149ace3 100644
--- a/cpp/shareddllproxy/voiceroid2/ebyroid.cc
+++ b/cpp/shareddllproxy/voiceroid2/ebyroid.cc
@@ -34,28 +34,17 @@ namespace ebyroid
     return ebyroid;
   }
 
-  int Ebyroid::Hiragana(const unsigned char *inbytes, unsigned char **outbytes, size_t *outsize)
+  int Ebyroid::Hiragana(const char *inbytes, std::vector<char> &output)
   {
-    Response *const response = new Response(api_adapter_);
-    printf("1\n");
+    Response<char> response{api_adapter_};
     TJobParam param;
     param.mode_in_out = IOMODE_PLAIN_TO_AIKANA;
-    param.user_data = response;
+    param.user_data = &response;
 
-    char eventname[32];
-    std::sprintf(eventname, "TTKLOCK:%p", response);
-    printf("12\n");
-    HANDLE event = CreateEventA(NULL, TRUE, FALSE, eventname);
-    printf("3\n");
     int32_t job_id;
-    ResultCode result = api_adapter_->TextToKana(&job_id, &param, (const char *)inbytes);
-    printf("4\n");
+    ResultCode result = api_adapter_->TextToKana(&job_id, &param, inbytes);
     if (result != ERR_SUCCESS)
     {
-      delete response;
-      printf("%d\n", result);
-      ResetEvent(event);
-      CloseHandle(event);
       static const char *format = "TextToKana failed with the result code %d\n"
                                   "Given inbytes: %s";
 
@@ -63,53 +52,33 @@ namespace ebyroid
       std::snprintf(m, 0xFFFF, format, result, inbytes);
       throw std::runtime_error(m);
     }
-    printf("6\n");
-    WaitForSingleObject(event, INFINITE);
-    ResetEvent(event);
-    CloseHandle(event);
-    printf("8\n");
+    WaitForSingleObject(response.event, INFINITE);
     // finalize
     result = api_adapter_->CloseKana(job_id);
     if (result != ERR_SUCCESS)
     {
-      delete response;
       throw std::runtime_error("wtf");
     }
 
     // write to output memory
-    vector<unsigned char> buffer = response->End();
-    *outsize = buffer.size();
-    *outbytes = (unsigned char *)malloc(buffer.size() + 1);
-    std::copy(buffer.begin(), buffer.end(), *outbytes);
-    *(*outbytes + buffer.size()) = '\0';
-
-    delete response;
+    output = response.End();
     return 0;
   }
 
-  int Ebyroid::Speech(const unsigned char *inbytes,
-                      int16_t **outbytes,
-                      size_t *outsize,
-                      uint32_t mode)
+  int Ebyroid::Speech(const char *inbytes, std::vector<int16_t> &output, uint32_t mode)
   {
-    Response *const response = new Response(api_adapter_);
+    Response<int16_t> response{api_adapter_};
 
     TJobParam param;
     param.mode_in_out = mode == 0u ? IOMODE_AIKANA_TO_WAVE : (JobInOut)mode;
-    param.user_data = response;
+    param.user_data = &response;
 
-    char eventname[32];
-    sprintf(eventname, "TTSLOCK:%p", response);
-    HANDLE event = CreateEventA(NULL, TRUE, FALSE, eventname);
 
     int32_t job_id;
-    ResultCode result = api_adapter_->TextToSpeech(&job_id, &param, (const char *)inbytes);
+    ResultCode result = api_adapter_->TextToSpeech(&job_id, &param, inbytes);
 
     if (result != ERR_SUCCESS)
     {
-      delete response;
-      ResetEvent(event);
-      CloseHandle(event);
       static const char *format = "TextToSpeech failed with the result code %d\n"
                                   "Given inbytes: %s";
       char m[0xFFFF];
@@ -117,49 +86,21 @@ namespace ebyroid
       throw std::runtime_error(m);
     }
 
-    WaitForSingleObject(event, INFINITE);
-    ResetEvent(event);
-    CloseHandle(event);
+    WaitForSingleObject(response.event, INFINITE);
 
     // finalize
     result = api_adapter_->CloseSpeech(job_id);
     if (result != ERR_SUCCESS)
     {
-      delete response;
       throw std::runtime_error("wtf");
     }
 
     // write to output memory
-    vector<int16_t> buffer = response->End16();
-    *outsize = buffer.size() * 2; // sizeof(int16_t) == 2
-    *outbytes = (int16_t *)malloc(buffer.size() * 2 + 1);
-    std::copy(buffer.begin(), buffer.end(), *outbytes);
-    *((char *)*outbytes + (buffer.size() * 2)) = '\0';
+    output = response.End();
 
-    delete response;
     return 0;
   }
 
-  void Response::Write(char *bytes, uint32_t size)
-  {
-    buffer_.insert(std::end(buffer_), bytes, bytes + size);
-  }
-
-  void Response::Write16(int16_t *shorts, uint32_t size)
-  {
-    buffer_16_.insert(std::end(buffer_16_), shorts, shorts + size);
-  }
-
-  vector<unsigned char> Response::End()
-  {
-    return std::move(buffer_);
-  }
-
-  vector<int16_t> Response::End16()
-  {
-    return std::move(buffer_16_);
-  }
-
   namespace
   {
 
@@ -167,8 +108,7 @@ namespace ebyroid
     {
       SettingsBuilder builder(base_dir, voice);
       Settings settings = builder.Build();
-
-      ApiAdapter *adapter = ApiAdapter::Create(dllpath.c_str());
+      std::unique_ptr<ApiAdapter> adapter{ApiAdapter::Create(dllpath.c_str())};
 
       TConfig config;
       config.hz_voice_db = settings.frequency;
@@ -184,39 +124,17 @@ namespace ebyroid
         config.code_auth_seed = "PROJECT-VOICeVIO-SFE";
         result = adapter->Init(&config);
       }
-      printf("init %d\n", result);
       if (result != ERR_SUCCESS)
       {
-        delete adapter;
         string message = "API initialization failed with code ";
         message += std::to_string(result);
         throw std::runtime_error(message);
       }
-      /*pair<bool, string>xx = WithDirecory(settings.base_dir, [adapter, settings]() {
-          ResultCode result = adapter->LangLoad(settings.language_dir);
-          printf("laod lang %d\n", result);
-          if (result != ERR_SUCCESS) {
-              char m[64];
-              std::snprintf(m, 64, "API LangLoad failed (could not load language) with code %d", result);
-              return pair<bool, string>(true, string(m));
-          }
-          return pair<bool, string>(false, string());
-          });*/
-      bool x = SetCurrentDirectoryA(settings.base_dir);
       SetDllDirectoryA(settings.base_dir);
-      printf("%d\n", x);
-      wchar_t buffer[1000] = {0};
-      DWORD sz = 1000;
-      GetCurrentDirectoryW(sz, buffer);
-      wprintf(L"%s\n", buffer);
       result = adapter->LangLoad(settings.language_dir);
-      printf("%s %s \n", settings.base_dir, settings.language_dir);
-      printf("loadvoice %d\n", result);
       result = adapter->VoiceLoad(settings.voice_name);
-      printf("loadvoice %s %d\n", settings.voice_name, result);
       if (result != ERR_SUCCESS)
       {
-        delete adapter;
         string message = "API Load Voice failed (Could not load voice data) with code ";
         message += std::to_string(result);
         throw std::runtime_error(message);
@@ -225,96 +143,73 @@ namespace ebyroid
       result = adapter->GetParam((void *)0, &param_size);
       if (result != ERR_INSUFFICIENT)
       { // NOTE: Code -20 is expected here
-        delete adapter;
         string message = "API Get Param failed (Could not acquire the size) with code ";
         message += std::to_string(result);
         throw std::runtime_error(message);
       }
-
-      printf("param->size %d\n", param_size);
-      if (param_size == 500)
+      if (param_size == sizeof(TTtsParam))
       { // voiceroid2
-        char *param_buffer = new char[param_size];
-        TTtsParam *param = (TTtsParam *)param_buffer;
+        TTtsParam param;
         // TTtsParam* param = (TTtsParam*) param_buffer;
-        param->size = param_size;
-        result = adapter->GetParam(param, &param_size);
-        printf("%s %d\n", "GetParam", result);
+        param.size = param_size;
+        result = adapter->GetParam(&param, &param_size);
         if (result != ERR_SUCCESS)
         {
-          delete[] param_buffer;
-          delete adapter;
           string message = "API Get Param failed with code ";
           message += std::to_string(result);
           throw std::runtime_error(message);
         }
-        param->extend_format = BOTH;
-        param->proc_text_buf = HiraganaCallback;
-        param->proc_raw_buf = SpeechCallback;
-        param->proc_event_tts = nullptr;
-        param->len_raw_buf_bytes = kConfigRawbufSize;
+        param.extend_format = BOTH;
+        param.proc_text_buf = HiraganaCallback;
+        param.proc_raw_buf = SpeechCallback;
+        param.proc_event_tts = nullptr;
+        param.len_raw_buf_bytes = kConfigRawbufSize;
 
-        param->volume = volume;
-        printf("1\n");
-        param->speaker[0].volume = volume;
-        /*param->speaker[0].pitch = 1.111;
-        param->speaker[0].pause_middle = 80;
-        param->speaker[0].pause_sentence = 200;
-        param->speaker[0].pause_long = 100;
-        param->speaker[0].range = 0.893;*/
-        param->speaker[0].speed = speed;
-        //printf("2 %d %d\n", volume, speed);
-        result = adapter->SetParam(param);
-        printf("3 %d\n", result);
+        param.volume = volume;
+        param.speaker[0].volume = volume;
+        /*param.speaker[0].pitch = 1.111;
+        param.speaker[0].pause_middle = 80;
+        param.speaker[0].pause_sentence = 200;
+        param.speaker[0].pause_long = 100;
+        param.speaker[0].range = 0.893;*/
+        param.speaker[0].speed = speed;
+        result = adapter->SetParam(&param);
         if (result != ERR_SUCCESS)
         {
-          delete[] param_buffer;
-          delete adapter;
           string message = "API Set Param failed with code ";
           message += std::to_string(result);
           throw std::runtime_error(message);
         }
-        printf("3\n");
-        delete[] param_buffer;
       }
-      else if (param_size == 416)
+      else if (param_size == sizeof(AITalk_TTtsParam))
       { // voiceroid+
-        char *param_buffer = new char[param_size];
-        AITalk_TTtsParam *param = (AITalk_TTtsParam *)param_buffer;
+        AITalk_TTtsParam param;
         // TTtsParam* param = (TTtsParam*) param_buffer;
-        param->size = param_size;
-        result = adapter->GetParam(param, &param_size);
+        param.size = param_size;
+        result = adapter->GetParam(&param, &param_size);
         if (result != ERR_SUCCESS)
         {
-          delete[] param_buffer;
-          delete adapter;
           string message = "API Get Param failed with code ";
           message += std::to_string(result);
           throw std::runtime_error(message);
         }
-        printf("numSpeakers %d\n", param->numSpeakers);
-        param->proc_text_buf = HiraganaCallback;
-        param->proc_raw_buf = SpeechCallback;
-        param->proc_event_tts = nullptr;
-        param->lenRawBufBytes = kConfigRawbufSize;
+        param.proc_text_buf = HiraganaCallback;
+        param.proc_raw_buf = SpeechCallback;
+        param.proc_event_tts = nullptr;
+        param.lenRawBufBytes = kConfigRawbufSize;
 
-        param->volume = volume;
-        result = adapter->SetParam(param);
-        printf("SetParam ok %d\n", result);
+        param.volume = volume;
+        result = adapter->SetParam(&param);
         if (result != ERR_SUCCESS)
         {
-          delete[] param_buffer;
-          delete adapter;
           string message = "API Set Param failed with code ";
           message += std::to_string(result);
-          printf("%s\n", message.c_str());
           throw std::runtime_error(message);
         }
-        delete[] param_buffer;
       }
-
-      printf("%s  \n", "setparam all ok");
-      return adapter;
+      auto _ = adapter.get();
+      adapter.release();
+      return _;
     }
 
     inline pair<bool, string> WithDirecory(const char *dir, function<pair<bool, string>(void)> yield)
@@ -360,7 +255,7 @@ namespace ebyroid
     }
     int __stdcall HiraganaCallback(EventReasonCode reason_code, int32_t job_id, IntPtr user_data)
     {
-      Response *const response = (Response *)user_data;
+      auto response = (Response<char> *)user_data;
       ApiAdapter *api_adapter = response->api_adapter();
 
       if (reason_code != TEXTBUF_FULL && reason_code != TEXTBUF_FLUSH && reason_code != TEXTBUF_CLOSE)
@@ -370,7 +265,7 @@ namespace ebyroid
       }
 
       static constexpr int kBufferSize = 0x1000;
-      char *buffer = new char[kBufferSize];
+      char buffer[kBufferSize];
       while (true)
       {
         uint32_t size, pos;
@@ -386,14 +281,10 @@ namespace ebyroid
           break;
         }
       }
-      delete[] buffer;
 
       if (reason_code == TEXTBUF_CLOSE)
       {
-        char eventname[32];
-        sprintf(eventname, "TTKLOCK:%p", response);
-        HANDLE event = OpenEventA(EVENT_ALL_ACCESS, FALSE, eventname);
-        SetEvent(event);
+        response->event.Set();
       }
       return 0;
     }
@@ -403,7 +294,7 @@ namespace ebyroid
                                  uint64_t tick,
                                  IntPtr user_data)
     {
-      Response *const response = (Response *)user_data;
+      auto response = (Response<int16_t> *)user_data;
       ApiAdapter *api_adapter = response->api_adapter();
 
       if (reason_code != RAWBUF_FULL && reason_code != RAWBUF_FLUSH && reason_code != RAWBUF_CLOSE)
@@ -413,7 +304,7 @@ namespace ebyroid
       }
 
       static constexpr int kBufferSize = 0xFFFF;
-      int16_t *buffer = new int16_t[kBufferSize];
+      int16_t buffer[kBufferSize];
       while (true)
       {
         uint32_t size, pos;
@@ -422,20 +313,16 @@ namespace ebyroid
         {
           break;
         }
-        response->Write16(buffer, size);
+        response->Write(buffer, size);
         if (kBufferSize > size)
         {
           break;
         }
       }
-      delete[] buffer;
 
       if (reason_code == RAWBUF_CLOSE)
       {
-        char eventname[32];
-        sprintf(eventname, "TTSLOCK:%p", response);
-        HANDLE event = OpenEventA(EVENT_ALL_ACCESS, FALSE, eventname);
-        SetEvent(event);
+        response->event.Set();
       }
       return 0;
     }
diff --git a/cpp/shareddllproxy/voiceroid2/ebyroid.h b/cpp/shareddllproxy/voiceroid2/ebyroid.h
index 14a5468c..330f5812 100644
--- a/cpp/shareddllproxy/voiceroid2/ebyroid.h
+++ b/cpp/shareddllproxy/voiceroid2/ebyroid.h
@@ -1,7 +1,6 @@
 #ifndef EBYROID_H
 #define EBYROID_H
 
-
 namespace ebyroid
 {
 
@@ -24,8 +23,8 @@ namespace ebyroid
     ~Ebyroid();
 
     static Ebyroid *Create(const std::string &base_dir, const std::string &dllpath, const std::string &voice, float volume, float speed);
-    int Hiragana(const unsigned char *inbytes, unsigned char **outbytes, size_t *outsize);
-    int Speech(const unsigned char *inbytes, int16_t **outbytes, size_t *outsize, uint32_t mode = 0u);
+    int Hiragana(const char *inbytes, std::vector<char> &);
+    int Speech(const char *inbytes, std::vector<int16_t> &, uint32_t mode = 0u);
     int Convert(const ConvertParams &params,
                 const unsigned char *inbytes,
                 int16_t **outbytes,
@@ -36,20 +35,27 @@ namespace ebyroid
     ApiAdapter *api_adapter_;
   };
 
+  template <typename T>
   class Response
   {
   public:
-    Response(ApiAdapter *adapter) : api_adapter_(adapter) {}
-    void Write(char *bytes, uint32_t size);
-    void Write16(int16_t *shorts, uint32_t size);
-    std::vector<unsigned char> End();
-    std::vector<int16_t> End16();
+    Response(ApiAdapter *adapter) : api_adapter_(adapter)
+    {
+      event.Create(NULL, FALSE, FALSE, NULL);
+    }
+    void Write(T *bytes, size_t size)
+    {
+      buffer_.insert(std::end(buffer_), bytes, bytes + size);
+    }
+    std::vector<T> End()
+    {
+      return std::move(buffer_);
+    }
     ApiAdapter *api_adapter() { return api_adapter_; };
-
+    CEvent event;
   private:
     ApiAdapter *api_adapter_;
-    std::vector<unsigned char> buffer_;
-    std::vector<int16_t> buffer_16_;
+    std::vector<T> buffer_;
   };
 
 } // namespace ebyroid
diff --git a/cpp/shareddllproxy/voiceroid2/voice2.cpp b/cpp/shareddllproxy/voiceroid2/voice2.cpp
index 23afc89b..7261e193 100644
--- a/cpp/shareddllproxy/voiceroid2/voice2.cpp
+++ b/cpp/shareddllproxy/voiceroid2/voice2.cpp
@@ -28,14 +28,11 @@ int voiceroid2wmain(int argc, wchar_t *wargv[])
     SetEvent(CreateEventA(&allAccess, FALSE, FALSE, argv[4]));
     ConnectNamedPipe(hPipe, NULL);
     int freq1;
-    unsigned char input_j[4096] = {0};
+    char input_j[4096] = {0};
     DWORD _;
     while (true)
     {
         ZeroMemory(input_j, sizeof(input_j));
-        unsigned char *out;
-        size_t output_size;
-        int16_t *out2;
 
         if (!ReadFile(hPipe, input_j, 4096, &_, NULL))
             break;
@@ -51,8 +48,8 @@ int voiceroid2wmain(int argc, wchar_t *wargv[])
             {
                 delete ebyroid;
             }
-            ebyroid = Ebyroid::Create((const char *)argv[1], //"C:\\dataH\\Yukari2",
-                                      (const char *)argv[2],
+            ebyroid = Ebyroid::Create(argv[1], //"C:\\dataH\\Yukari2",
+                                      argv[2],
                                       voice.c_str(),
                                       2,
                                       rate); // 1); //0.1-2,0.5-4
@@ -65,10 +62,12 @@ int voiceroid2wmain(int argc, wchar_t *wargv[])
             freq1 = 44100;
         else
             freq1 = 22050;
-        // int result = ebyroid->Hiragana((const unsigned char*)UnicodeToShift_jis(input), &out, &output_size);
-        int result = ebyroid->Hiragana((const unsigned char *)input_j, &out, &output_size);
-
-        result = ebyroid->Speech(out, &out2, &output_size);
+        std::vector<char> output;
+        int result = ebyroid->Hiragana(input_j, output);
+        output.push_back(0);
+        std::vector<int16_t> binary;
+        result = ebyroid->Speech(output.data(), binary);
+        size_t output_size = binary.size() * 2;
         int fsize = output_size + 44;
         if (fsize > 1024 * 1024 * 10)
         {
@@ -98,12 +97,9 @@ int voiceroid2wmain(int argc, wchar_t *wargv[])
             ptr += 4;
             memcpy(mapview + ptr, &output_size, 4);
             ptr += 4;
-            memcpy(mapview + ptr, out2, output_size);
+            memcpy(mapview + ptr, binary.data(), output_size);
         }
         WriteFile(hPipe, &fsize, 4, &_, NULL);
-
-        free(out);
-        free(out2);
     }
     return 0;
 }
diff --git a/cpp/winsharedutils/hwnd.cpp b/cpp/winsharedutils/hwnd.cpp
index 477626aa..0c81b3f1 100644
--- a/cpp/winsharedutils/hwnd.cpp
+++ b/cpp/winsharedutils/hwnd.cpp
@@ -26,18 +26,20 @@ DECLARE_API void showintab(HWND hwnd, bool show, bool tool)
 
 DECLARE_API bool pid_running(DWORD pid)
 {
-    DWORD code;
+    CHandle hprocess{OpenProcess(
 #ifndef WINXP
-    GetExitCodeProcess(AutoHandle(OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, pid)), &code);
+        PROCESS_QUERY_LIMITED_INFORMATION,
 #else
-    GetExitCodeProcess(AutoHandle(OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid)), &code);
+        PROCESS_QUERY_INFORMATION,
 #endif
+        FALSE, pid)};
+    if (!hprocess)
+        return false;
+    DWORD code;
+    GetExitCodeProcess(hprocess, &code);
     // 句柄必須具有 PROCESS_QUERY_INFORMATION 或 PROCESS_QUERY_LIMITED_INFORMATION 訪問許可權。 如需詳細資訊，請參閱 處理安全性和訪問許可權。
     // Windows Server 2003 和 Windows XP： 句柄必須具有 PROCESS_QUERY_INFORMATION 訪問許可權。
     return code == STILL_ACTIVE;
-    // auto process = AutoHandle(OpenProcess(SYNCHRONIZE, FALSE, pid));
-    // DWORD ret = WaitForSingleObject(process, 0);
-    // return ret == WAIT_TIMEOUT;
 }
 
 struct __EnumWindowsProc
@@ -79,11 +81,13 @@ DECLARE_API bool Is64bit(DWORD pid)
 {
     if (!Is64BitOS())
         return false;
+    CHandle hprocess{OpenProcess(
 #ifndef WINXP
-    auto hprocess = AutoHandle(OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, pid));
+        PROCESS_QUERY_LIMITED_INFORMATION,
 #else
-    auto hprocess = AutoHandle(OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid));
+        PROCESS_QUERY_INFORMATION,
 #endif
+        FALSE, pid)};
     // 進程的控制碼。 控制碼必須具有PROCESS_QUERY_INFORMATION或PROCESS_QUERY_LIMITED_INFORMATION存取權限。 如需詳細資訊，請參閱 處理安全性和存取權限。
     // Windows Server 2003 和 Windows XP： 控制碼必須具有PROCESS_QUERY_INFORMATION存取權限。
     BOOL f64bitProc = false;
@@ -94,7 +98,7 @@ DECLARE_API bool Is64bit(DWORD pid)
 DECLARE_API void getprocesses(void (*cb)(DWORD, const wchar_t *))
 {
     std::unordered_map<std::wstring, std::vector<int>> exe_pid;
-    AutoHandle hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+    CHandle hSnapshot{CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)};
     if (hSnapshot == INVALID_HANDLE_VALUE)
         return;