diff --git a/MCA/ControlView.cpp b/MCA/ControlView.cpp
index 337df01..34575a0 100644
--- a/MCA/ControlView.cpp
+++ b/MCA/ControlView.cpp
@@ -26,60 +26,57 @@ CControlView::CControlView()
     , m_nCursor1(0)
     , m_nCursor2(1023)
     , m_nCursorROI(0)
-    , m_nCursorROICount(0)
-{
+    , m_nCursorROICount(0) {
 }
 
-CControlView::~CControlView()
-{
+CControlView::~CControlView() {
 }
 
-void CControlView::DoDataExchange(CDataExchange* pDX)
-{
+void CControlView::DoDataExchange(CDataExchange* pDX) {
     CFormView::DoDataExchange(pDX);
     DDX_Text(pDX, IDC_COND, m_nCond);
     DDX_Text(pDX, IDC_TIME, m_nTimeStr);
     DDX_Text(pDX, IDC_TCOUNT, m_nTotalCount);
     DDX_Text(pDX, IDC_PCOUNT, m_nPartCount);
     DDX_Text(pDX, IDC_MCOUNT, m_nMaxCount);
-    DDX_Control(pDX, IDC_MODE, m_ComboMode);
-    DDX_Control(pDX, IDC_AXIS, m_ComboAxis);
     DDX_Text(pDX, IDC_RANGE, m_nLC);
     DDX_Text(pDX, IDC_WIDTH, m_nWidth);
     DDX_Text(pDX, IDC_CURSOR1, m_nCursor1);
     DDX_Text(pDX, IDC_CURSOR2, m_nCursor2);
     DDX_Text(pDX, IDC_CURSORROI, m_nCursorROI);
     DDX_Text(pDX, IDC_CURSORROI_COUNT, m_nCursorROICount);
+    DDX_Control(pDX, IDC_MODE, m_ComboMode);
+    DDX_Control(pDX, IDC_AXIS, m_ComboAxis);
+    DDX_Control(pDX, IDC_SOURCE, m_ComboSource);
 }
 
 BEGIN_MESSAGE_MAP(CControlView, CFormView)
 	ON_WM_SIZE()
+    ON_CBN_SELCHANGE(IDC_SOURCE, &CControlView::OnCbnSelchangeSource)
+    ON_CBN_SELCHANGE(IDC_MODE, &CControlView::OnCbnSelchangeMode)
+    ON_CBN_SELCHANGE(IDC_AXIS, &CControlView::OnCbnSelchangeAxis)
 END_MESSAGE_MAP()
 
 // CControlView 诊断
 
 #ifdef _DEBUG
-void CControlView::AssertValid() const
-{
+void CControlView::AssertValid() const {
 	CFormView::AssertValid();
 }
 
 #ifndef _WIN32_WCE
-void CControlView::Dump(CDumpContext& dc) const
-{
+void CControlView::Dump(CDumpContext& dc) const {
 	CFormView::Dump(dc);
 }
 #endif
 #endif //_DEBUG
 
-void CControlView::SetCond(BOOL flag)
-{
+void CControlView::SetCond(BOOL flag) {
     ((CEdit*)GetDlgItem(IDC_COND))->EnableWindow(flag);
 }
 
 // CControlView 消息处理程序
-void CControlView::OnSize(UINT nType, int cx, int cy)
-{
+void CControlView::OnSize(UINT nType, int cx, int cy) {
 	CFormView::OnSize(nType, cx, cy);
     CRect rect;
     GetClientRect(&rect); // 获取当前客户区view大小
@@ -90,8 +87,7 @@ void CControlView::OnSize(UINT nType, int cx, int cy)
     SetScrollSizes(MM_HIMETRIC, size); // 将CScrollView的大小设置为当前客户区大小
 }
 
-void CControlView::OnInitialUpdate()
-{
+void CControlView::OnInitialUpdate() {
     CFormView::OnInitialUpdate();
 
     // 添加运行模式
@@ -102,8 +98,47 @@ void CControlView::OnInitialUpdate()
     m_ComboAxis.AddString((CString)"线性");
     m_ComboAxis.AddString((CString)"对数");
     m_ComboAxis.SetCurSel(0);
+    // 添加模拟源
+    m_ComboSource.AddString((CString)"Co60");
+    m_ComboSource.AddString((CString)"Cs137");
+    m_ComboSource.AddString((CString)"Na22");
+    m_ComboSource.SetCurSel(1);
 }
 
-void CControlView::OnUpdate(CView* /*pSender*/, LPARAM /*lHint*/, CObject* /*pHint*/)
-{
+void CControlView::OnUpdate(CView* /*pSender*/, LPARAM /*lHint*/, CObject* /*pHint*/) {
+}
+
+void CControlView::OnCbnSelchangeSource() {
+    CString tmp;
+    CMainFrame* pFrame = (CMainFrame*)GetParentFrame();
+    m_ComboSource.GetWindowText(tmp);
+    OutputDebugString(tmp);
+
+	if (tmp != m_sSource) {
+        pFrame->OnStaStop();
+        pFrame->OnStaClear();
+	}
+	if (tmp == "Cs137")   pFrame->OnSimuCsOpt();
+	else if (tmp == "Co60")   pFrame->OnSimuCoOpt();
+	else   pFrame->OnSimuNaOpt();
+}
+
+void CControlView::OnCbnSelchangeMode() {
+    CString tmp;
+    CMainFrame* pFrame = (CMainFrame*)GetParentFrame();
+    m_ComboMode.GetWindowText(tmp);
+    OutputDebugString(tmp);
+
+    if (tmp == "时间")   m_sMode = "Time";
+    else   m_sMode = "Count";
+}
+
+void CControlView::OnCbnSelchangeAxis() {
+    CString tmp;
+    CMainFrame* pFrame = (CMainFrame*)GetParentFrame();
+    m_ComboAxis.GetWindowText(tmp);
+    OutputDebugString(tmp);
+
+    if (tmp == "对数")   pFrame->OnAxisLog();
+    else   pFrame->OnAxisLinear();
 }
diff --git a/MCA/ControlView.h b/MCA/ControlView.h
index 140083e..24555f0 100644
--- a/MCA/ControlView.h
+++ b/MCA/ControlView.h
@@ -1,7 +1,5 @@
 #pragma once
 
-#include "MCADoc.h"
-
 // CControlView 窗体视图
 
 class CControlView : public CFormView
@@ -36,6 +34,7 @@ public:
     virtual void OnUpdate(CView* /*pSender*/, LPARAM /*lHint*/, CObject* /*pHint*/);
 
     // 选择信息
+    CString m_sMode = (CString)"Time";
     CString m_sSource = (CString)"Cs137";
     CString m_sAxisMode = (CString)"Linear";
     CString m_sRangeMode = (CString)"Auto";
@@ -61,4 +60,10 @@ public:
     int m_nMaxCount; 
     CComboBox m_ComboMode;
     CComboBox m_ComboAxis;
+    CComboBox m_ComboSource;
+
+    // 下拉框选择
+    afx_msg void OnCbnSelchangeSource();
+    afx_msg void OnCbnSelchangeMode();
+    afx_msg void OnCbnSelchangeAxis();
 };
diff --git a/MCA/MCA.rc b/MCA/MCA.rc
index 2940abf..26e4cf2 100644
Binary files a/MCA/MCA.rc and b/MCA/MCA.rc differ
diff --git a/MCA/MainFrm.cpp b/MCA/MainFrm.cpp
index 31a6fe4..40248f3 100644
--- a/MCA/MainFrm.cpp
+++ b/MCA/MainFrm.cpp
@@ -65,8 +65,7 @@ BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
 	ON_UPDATE_COMMAND_UI(ID_DATA_5, &CMainFrame::OnUpdateData5)
 END_MESSAGE_MAP()
 
-static UINT indicators[] =
-{
+static UINT indicators[] = {
 	ID_SEPARATOR,           // 状态行指示器
 	ID_INDICATOR_CAPS,
 	ID_INDICATOR_NUM,
@@ -75,17 +74,14 @@ static UINT indicators[] =
 
 // CMainFrame 构造/析构
 
-CMainFrame::CMainFrame() noexcept
-{
+CMainFrame::CMainFrame() noexcept {
 	// TODO: 在此添加成员初始化代码
 }
 
-CMainFrame::~CMainFrame()
-{
+CMainFrame::~CMainFrame() {
 }
 
-int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
-{
+int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) {
 	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
 		return -1;
 
@@ -116,8 +112,7 @@ int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
 }
 
 BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT /*lpcs*/,
-	CCreateContext* pContext)
-{
+	CCreateContext* pContext) {
 	// 左右拆分窗口，1行2列
 	VERIFY(m_wndSplitter.CreateStatic(this, 1, 2,
 		WS_CHILD | WS_VISIBLE, AFX_IDW_PANE_FIRST));
@@ -137,8 +132,7 @@ BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT /*lpcs*/,
 	return TRUE;
 }
 
-BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
-{
+BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs) {
 	if( !CFrameWnd::PreCreateWindow(cs) )
 		return FALSE;
 	cs.style &= ~WS_THICKFRAME;
@@ -146,8 +140,7 @@ BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
 	return TRUE;
 }
 
-void CMainFrame::OnLoadToolBarIcon()
-{
+void CMainFrame::OnLoadToolBarIcon() {
 	HICON icon;
 	m_imgList.Create(50, 50, TRUE | ILC_COLOR32, 10, 0);
 
@@ -176,35 +169,30 @@ void CMainFrame::OnLoadToolBarIcon()
 // CMainFrame 诊断
 
 #ifdef _DEBUG
-void CMainFrame::AssertValid() const
-{
+void CMainFrame::AssertValid() const {
 	CFrameWnd::AssertValid();
 }
 
-void CMainFrame::Dump(CDumpContext& dc) const
-{
+void CMainFrame::Dump(CDumpContext& dc) const {
 	CFrameWnd::Dump(dc);
 }
 #endif //_DEBUG
 
-int CMainFrame::RoundupPowerof2(int val)
-{
+int RoundupPowerof2(int val) {
 	if ((val & (val - 1)) == 0)   return val;
 	int andv = 1 << 30;
 	while ((andv & val) == 0)   andv = andv >> 1;
 	return andv << 1;
 }
 
-double CMainFrame::GetMilliTime()
-{
+double GetMilliTime() {
 	std::chrono::milliseconds ms = std::chrono::duration_cast<std::chrono::milliseconds>(
 		std::chrono::system_clock::now().time_since_epoch()
 		);
 	return ms.count() / 1000.;
 }
 
-void CMainFrame::UpdateValue()
-{
+void CMainFrame::UpdateValue() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -230,14 +218,12 @@ void CMainFrame::UpdateValue()
 	pView->UpdateData(FALSE);
 }
 
-void CMainFrame::SaveFirst()
-{
+void CMainFrame::SaveFirst() {
 	int res = MessageBox(TEXT("打开前是否保存？"), TEXT("保存文件"), MB_YESNO | MB_ICONQUESTION);
 	if (res == IDYES)   OnOptSave();
 }
 
-void CMainFrame::SmoothThree()
-{
+void CMainFrame::SmoothThree() {
 	pDoc->m_nChannelSmooth[0] = (5 * pDoc->m_nChannelCount[0] + 2 * pDoc->m_nChannelCount[1] - pDoc->m_nChannelCount[2]) / 6;
 	for (int i = 1; i < 1023; i++)
 		pDoc->m_nChannelSmooth[i] = (pDoc->m_nChannelCount[i - 1] + pDoc->m_nChannelCount[i] + pDoc->m_nChannelCount[i + 1]) / 3;
@@ -245,8 +231,7 @@ void CMainFrame::SmoothThree()
 	for (int i = 0; i < 1024; i++)   pDoc->m_nChannelSmooth[i] = max(0, pDoc->m_nChannelSmooth[i]);
 }
 
-void CMainFrame::SmoothFive()
-{
+void CMainFrame::SmoothFive() {
 	pDoc->m_nChannelSmooth[0] = (3 * pDoc->m_nChannelCount[0] + 2 * pDoc->m_nChannelCount[1] + pDoc->m_nChannelCount[2] - pDoc->m_nChannelCount[4]) / 5;
 	pDoc->m_nChannelSmooth[1] = (4 * pDoc->m_nChannelCount[0] + 3 * pDoc->m_nChannelCount[1] + 2 * pDoc->m_nChannelCount[2] + pDoc->m_nChannelCount[3]) / 10;
 	for (int i = 2; i < 1022; i++)
@@ -256,17 +241,46 @@ void CMainFrame::SmoothFive()
 	for (int i = 0; i < 1024; i++)   pDoc->m_nChannelSmooth[i] = max(0, pDoc->m_nChannelSmooth[i]);
 }
 
+void CMainFrame::OnSimuCoOpt() {
+	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
+	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
+
+	pView->m_sSource = (CString)"Co60";
+	pView->m_ComboSource.SetCurSel(0);
+	m_bCoFlag = FALSE;
+	m_bCsFlag = TRUE;
+	m_bNaFlag = TRUE;
+}
+
+void CMainFrame::OnSimuCsOpt() {
+	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
+	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
+
+	pView->m_sSource = (CString)"Cs137";
+	pView->m_ComboSource.SetCurSel(1);
+	m_bCoFlag = TRUE;
+	m_bCsFlag = FALSE;
+	m_bNaFlag = TRUE;
+}
+
+void CMainFrame::OnSimuNaOpt() {
+	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
+	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
+	pView->m_sSource = (CString)"Na22";
+	pView->m_ComboSource.SetCurSel(2);
+	m_bCoFlag = TRUE;
+	m_bCsFlag = TRUE;
+	m_bNaFlag = FALSE;
+}
+
 // CMainFrame 消息处理程序
-void CMainFrame::OnTimer(UINT_PTR nIDEvent)
-{
+void CMainFrame::OnTimer(UINT_PTR nIDEvent) {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 	pDoc->SetModifiedFlag(TRUE);
 
 	// 判断终止
-	CString tmp;
-	pView->m_ComboMode.GetWindowText(tmp);
-	if ((tmp == "时间" && pView->m_nTime >= pView->m_nCond) || (tmp == "计数" && pView->m_nTotalCount >= pView->m_nCond))
+	if ((pView->m_sMode == "Time" && pView->m_nTime >= pView->m_nCond) || (pView->m_sMode == "Count" && pView->m_nTotalCount >= pView->m_nCond))
 		OnStaStop();
 	else {
 		// 生成随机信号
@@ -277,17 +291,11 @@ void CMainFrame::OnTimer(UINT_PTR nIDEvent)
 		UpdateValue();
 	}
 
-	// 修改坐标轴
-	pView->m_ComboAxis.GetWindowText(tmp);
-	if (tmp == "对数")   OnAxisLog();
-	else   OnAxisLinear();
-
 	pDoc->UpdateAllViews(NULL);
 	CFrameWnd::OnTimer(nIDEvent);
 }
 
-void CMainFrame::OnClose()
-{
+void CMainFrame::OnClose() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pDoc->IsModified()) {
 		int res = MessageBox(TEXT("退出前是否保存？"), TEXT("保存文件"), MB_YESNO | MB_ICONQUESTION);
@@ -297,8 +305,7 @@ void CMainFrame::OnClose()
 	CFrameWnd::OnClose();
 }
 
-BOOL CMainFrame::PreTranslateMessage(MSG* pMsg)
-{
+BOOL CMainFrame::PreTranslateMessage(MSG* pMsg) {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 	if (pMsg->message == WM_KEYDOWN && pMsg->wParam >= 0x25 && pMsg->wParam <= 0x28) {
@@ -315,8 +322,7 @@ BOOL CMainFrame::PreTranslateMessage(MSG* pMsg)
 	return CFrameWnd::PreTranslateMessage(pMsg);
 }
 
-void CMainFrame::OnOptOpen()
-{
+void CMainFrame::OnOptOpen() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -371,8 +377,7 @@ void CMainFrame::OnOptOpen()
 	}
 }
 
-void CMainFrame::OnOptSave()
-{
+void CMainFrame::OnOptSave() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -394,8 +399,7 @@ void CMainFrame::OnOptSave()
 	pDoc->SetModifiedFlag(FALSE);
 }
 
-void CMainFrame::OnStaStart()
-{
+void CMainFrame::OnStaStart() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -412,13 +416,11 @@ void CMainFrame::OnStaStart()
 	SetTimer(1, 20, NULL);
 }
 
-void CMainFrame::OnUpdateStaStart(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateStaStart(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bStartFlag);
 }
 
-void CMainFrame::OnStaStop()
-{
+void CMainFrame::OnStaStop() {
 	// 设置状态
 	m_bStartFlag = TRUE;
 	m_bStopFlag = FALSE;
@@ -428,13 +430,11 @@ void CMainFrame::OnStaStop()
 	KillTimer(1);
 }
 
-void CMainFrame::OnUpdateStaStop(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateStaStop(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bStopFlag);
 }
 
-void CMainFrame::OnStaClear()
-{
+void CMainFrame::OnStaClear() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -455,67 +455,47 @@ void CMainFrame::OnStaClear()
 	pDoc->SetModifiedFlag(FALSE);
 }
 
-void CMainFrame::OnUpdateStaClear(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateStaClear(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bClearFlag);
 }
 
-void CMainFrame::OnSimuCo()
-{
+void CMainFrame::OnSimuCo() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
-
-	pView->m_sSource = (CString)"Co60";
-	m_bCoFlag = FALSE;
-	m_bCsFlag = TRUE;
-	m_bNaFlag = TRUE;
+	OnSimuCoOpt();
 	OnStaStop();
 	OnStaClear();
 }
 
-void CMainFrame::OnUpdateSimuCo(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateSimuCo(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bCoFlag);
 }
 
-void CMainFrame::OnSimuCs()
-{
+void CMainFrame::OnSimuCs() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
-
-	pView->m_sSource = (CString)"Cs137";
-	m_bCoFlag = TRUE;
-	m_bCsFlag = FALSE;
-	m_bNaFlag = TRUE;
+	OnSimuCoOpt();
 	OnStaStop();
 	OnStaClear();
 }
 
-void CMainFrame::OnUpdateSimuCs(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateSimuCs(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bCsFlag);
 }
 
-void CMainFrame::OnSimuNa()
-{
+void CMainFrame::OnSimuNa() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
-
-	pView->m_sSource = (CString)"Na22";
-	m_bCoFlag = TRUE;
-	m_bCsFlag = TRUE;
-	m_bNaFlag = FALSE;
+	OnSimuCoOpt();
 	OnStaStop();
 	OnStaClear();
 }
 
-void CMainFrame::OnUpdateSimuNa(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateSimuNa(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bNaFlag);
 }
 
-void CMainFrame::OnAxisLinear()
-{
+void CMainFrame::OnAxisLinear() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -525,13 +505,11 @@ void CMainFrame::OnAxisLinear()
 	m_bLogFlag = TRUE;
 }
 
-void CMainFrame::OnUpdateAxisLinear(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateAxisLinear(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bLinearFlag);
 }
 
-void CMainFrame::OnAxisLog()
-{
+void CMainFrame::OnAxisLog() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -543,13 +521,11 @@ void CMainFrame::OnAxisLog()
 	m_bLogFlag = FALSE;
 }
 
-void CMainFrame::OnUpdateAxisLog(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateAxisLog(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bLogFlag);
 }
 
-void CMainFrame::OnRangeAuto()
-{
+void CMainFrame::OnRangeAuto() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -559,13 +535,11 @@ void CMainFrame::OnRangeAuto()
 	pDoc->UpdateAllViews(NULL);
 }
 
-void CMainFrame::OnUpdateRangeAuto(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateRangeAuto(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bAutoFlag);
 }
 
-void CMainFrame::OnRangeD4()
-{
+void CMainFrame::OnRangeD4() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -576,8 +550,7 @@ void CMainFrame::OnRangeD4()
 	pDoc->UpdateAllViews(NULL);
 }
 
-void CMainFrame::OnRangeD2()
-{
+void CMainFrame::OnRangeD2() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -588,8 +561,7 @@ void CMainFrame::OnRangeD2()
 	pDoc->UpdateAllViews(NULL);
 }
 
-void CMainFrame::OnRangeM2()
-{
+void CMainFrame::OnRangeM2() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -600,8 +572,7 @@ void CMainFrame::OnRangeM2()
 	pDoc->UpdateAllViews(NULL);
 }
 
-void CMainFrame::OnRangeM4()
-{
+void CMainFrame::OnRangeM4() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -612,8 +583,7 @@ void CMainFrame::OnRangeM4()
 	pDoc->UpdateAllViews(NULL);
 }
 
-void CMainFrame::OnDataOrigin()
-{
+void CMainFrame::OnDataOrigin() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -625,13 +595,11 @@ void CMainFrame::OnDataOrigin()
 	pDoc->UpdateAllViews(NULL);
 }
 
-void CMainFrame::OnUpdateDataOrigin(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateDataOrigin(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bOriginFlag);
 }
 
-void CMainFrame::OnData3()
-{
+void CMainFrame::OnData3() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -643,13 +611,11 @@ void CMainFrame::OnData3()
 	pDoc->UpdateAllViews(NULL);
 }
 
-void CMainFrame::OnUpdateData3(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateData3(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bTSmoothFlag);
 }
 
-void CMainFrame::OnData5()
-{
+void CMainFrame::OnData5() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -661,13 +627,11 @@ void CMainFrame::OnData5()
 	pDoc->UpdateAllViews(NULL);
 }
 
-void CMainFrame::OnUpdateData5(CCmdUI* pCmdUI)
-{
+void CMainFrame::OnUpdateData5(CCmdUI* pCmdUI) {
 	pCmdUI->Enable(m_bFSmoothFlag);
 }
 
-void CMainFrame::OnDataPeak()
-{
+void CMainFrame::OnDataPeak() {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
@@ -742,4 +706,4 @@ void CMainFrame::OnDataPeak()
 	CString strText;
 	strText.Format(_T("幅值%.3f\n均值%.3f\n标准差%.3f"), amplitude, mean, sigma);
 	AfxMessageBox(strText);
-}
\ No newline at end of file
+}
diff --git a/MCA/MainFrm.h b/MCA/MainFrm.h
index 17a07e9..7a0563a 100644
--- a/MCA/MainFrm.h
+++ b/MCA/MainFrm.h
@@ -53,12 +53,13 @@ protected:
 public:
 	CMCADoc* pDoc = nullptr;
     CControlView* pView = nullptr;
-    int RoundupPowerof2(int val);
-    double GetMilliTime();
     void UpdateValue();
     void SaveFirst();
     void SmoothThree();
     void SmoothFive();
+    void OnSimuCoOpt();
+    void OnSimuCsOpt();
+    void OnSimuNaOpt();
 
     // 消息处理
     afx_msg void OnTimer(UINT_PTR nIDEvent);
diff --git a/MCA/Resource.h b/MCA/Resource.h
index 8a648f2..3ab5a50 100644
--- a/MCA/Resource.h
+++ b/MCA/Resource.h
@@ -22,7 +22,7 @@
 #define IDC_TIME                        1019
 #define IDC_TCOUNT                      1020
 #define IDC_BCHA                        1021
-#define IDC_ECHA                        1022
+#define IDC_SOURCE                      1021
 #define IDC_CURSOR1                     1023
 #define IDC_CURSORROI_COUNT             1024
 #define IDC_RANGE                       1025