diff --git a/GUI/extenwindow.cpp b/GUI/extenwindow.cpp
index 156a9a8..07e8d40 100644
--- a/GUI/extenwindow.cpp
+++ b/GUI/extenwindow.cpp
@@ -54,28 +54,27 @@ namespace
 	}
 }
 
-bool DispatchSentenceToExtensions(std::wstring& sentence, std::unordered_map<std::string, int64_t> miscInfo)
+bool DispatchSentenceToExtensions(std::wstring& sentence, std::unordered_map<const char*, int64_t> miscInfo)
 {
-	bool success = true;
 	wchar_t* sentenceBuffer = (wchar_t*)HeapAlloc(GetProcessHeap(), 0, (sentence.size() + 1) * sizeof(wchar_t));
 	wcscpy_s(sentenceBuffer, sentence.size() + 1, sentence.c_str());
 
 	InfoForExtension miscInfoLinkedList{ "", 0, nullptr };
 	InfoForExtension* miscInfoTraverser = &miscInfoLinkedList;
-	for (auto& i : miscInfo) miscInfoTraverser = miscInfoTraverser->next = new InfoForExtension{ i.first.c_str(), i.second, nullptr };
+	for (auto[name, value] : miscInfo) miscInfoTraverser = miscInfoTraverser->next = new InfoForExtension{ name, value, nullptr };
 
 	std::shared_lock sharedLock(extenMutex);
 	for (auto extenName : extenNames)
 	{
 		wchar_t* nextBuffer = extensions[extenName](sentenceBuffer, &miscInfoLinkedList);
-		if (nextBuffer == nullptr) { success = false; break; }
 		if (nextBuffer != sentenceBuffer) HeapFree(GetProcessHeap(), 0, sentenceBuffer);
+		if (nextBuffer == nullptr) return false;
 		sentenceBuffer = nextBuffer;
 	}
 	sentence = sentenceBuffer;
 
 	HeapFree(GetProcessHeap(), 0, sentenceBuffer);
-	return success;
+	return true;
 }
 
 ExtenWindow::ExtenWindow(QWidget* parent) :
diff --git a/GUI/extenwindow.h b/GUI/extenwindow.h
index bc06ca6..f6fa898 100644
--- a/GUI/extenwindow.h
+++ b/GUI/extenwindow.h
@@ -7,7 +7,7 @@ namespace Ui
 	class ExtenWindow;
 }
 
-bool DispatchSentenceToExtensions(std::wstring& sentence, std::unordered_map<std::string, int64_t> miscInfo);
+bool DispatchSentenceToExtensions(std::wstring& sentence, std::unordered_map<const char*, int64_t> miscInfo);
 
 class ExtenWindow : public QMainWindow
 {
diff --git a/GUI/mainwindow.cpp b/GUI/mainwindow.cpp
index c08ec2d..ff8f59e 100644
--- a/GUI/mainwindow.cpp
+++ b/GUI/mainwindow.cpp
@@ -169,7 +169,7 @@ DWORD MainWindow::GetSelectedProcessId()
 	return ui->processCombo->currentText().split(":")[0].toULong(nullptr, 16);
 }
 
-std::unordered_map<std::string, int64_t> MainWindow::GetMiscInfo(TextThread* thread)
+std::unordered_map<const char*, int64_t> MainWindow::GetMiscInfo(TextThread* thread)
 {
 	return
 	{
diff --git a/GUI/mainwindow.h b/GUI/mainwindow.h
index 00f42f4..87a3017 100644
--- a/GUI/mainwindow.h
+++ b/GUI/mainwindow.h
@@ -24,7 +24,7 @@ private:
 	QString TextThreadString(TextThread* thread);
 	ThreadParam ParseTextThreadString(QString ttString);
 	DWORD GetSelectedProcessId();
-	std::unordered_map<std::string, int64_t> GetMiscInfo(TextThread* thread);
+	std::unordered_map<const char*, int64_t> GetMiscInfo(TextThread* thread);
 	void AttachProcess();
 	void DetachProcess();
 	void AddHook();