diff --git a/MCA/MainFrm.cpp b/MCA/MainFrm.cpp
index 16ad0b6..2c6776a 100644
--- a/MCA/MainFrm.cpp
+++ b/MCA/MainFrm.cpp
@@ -263,33 +263,24 @@ void CMainFrame::OnTimer(UINT_PTR nIDEvent)
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 	pDoc->SetModifiedFlag(TRUE);
 
-	// 生成随机信号
-	int n = rand() % 50 + 25;
-	pDoc->RandomPeak(pView->m_sSource, n);
-
-	// 更新
-	UpdateValue();
-
 	// 判断终止
 	CString tmp;
 	pView->m_ComboMode.GetWindowText(tmp);
-	if (tmp == "时间" && pView->m_nTime >= pView->m_nCond)   OnStaStop();
-	if (tmp == "计数" && pView->m_nTotalCount >= pView->m_nCond)   OnStaStop();
+	if ((tmp == "时间" && pView->m_nTime >= pView->m_nCond) || (tmp == "计数" && pView->m_nTotalCount >= pView->m_nCond))
+		OnStaStop();
+	else {
+		// 生成随机信号
+		int n = rand() % 10 + 5;
+		pDoc->RandomPeak(pView->m_sSource, n);
+
+		// 更新
+		UpdateValue();
+	}
 
 	// 修改坐标轴
 	pView->m_ComboAxis.GetWindowText(tmp);
-	if (tmp == "对数") {
-		m_bAutoFlag = FALSE;
-		pView->m_sAxisMode = "Log";
-		pView->m_sRangeMode = "Auto";
-		m_bLinearFlag = TRUE;
-		m_bLogFlag = FALSE;
-	}
-	else {
-		pView->m_sAxisMode = "Linear";
-		m_bLinearFlag = FALSE;
-		m_bLogFlag = TRUE;
-	}
+	if (tmp == "对数")   OnAxisLog();
+	else   OnAxisLinear();
 
 	pDoc->UpdateAllViews(NULL);
 	CFrameWnd::OnTimer(nIDEvent);
@@ -324,29 +315,6 @@ BOOL CMainFrame::PreTranslateMessage(MSG* pMsg)
 	return CFrameWnd::PreTranslateMessage(pMsg);
 }
 
-void CMainFrame::OnStaStart()
-{
-	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
-	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
-
-	// 重置结束条件
-	pView->m_nT0 = GetMilliTime();
-	// 设置状态
-	m_bStartFlag = FALSE;
-	m_bStopFlag = TRUE;
-	m_bClearFlag = FALSE;
-	pView->SetCond(FALSE);
-	// 获取屏幕值至变量
-	pView->UpdateData(TRUE);
-	// 设置更新
-	SetTimer(1, 100, NULL);
-}
-
-void CMainFrame::OnUpdateStaStart(CCmdUI* pCmdUI)
-{
-	pCmdUI->Enable(m_bStartFlag);
-}
-
 void CMainFrame::OnOptOpen()
 {
 	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
@@ -366,11 +334,19 @@ void CMainFrame::OnOptOpen()
 
 	try
 	{
+		// 获取时间
 		std::getline(ifs, line);
 		pView->m_nTime = 0;
 		pView->m_nT0 = GetMilliTime() - std::stof(line);
+
+		// 获取源
 		std::getline(ifs, line);
 		pView->m_sSource = line.c_str();
+		if (pView->m_sSource == "Cs137")   OnSimuCs();
+		else if (pView->m_sSource == "Co60")   OnSimuCo();
+		else   OnSimuNa();
+
+		// 获取计数
 		while (std::getline(ifs, line))
 		{
 			std::stringstream ss(line);
@@ -381,8 +357,11 @@ void CMainFrame::OnOptOpen()
 			cnt += 1;
 		}
 		for (int i = 1; i < 1024; i++)   pDoc->m_nChannelCount[i] = count[i];
+
+		// 其他设置
 		m_bClearFlag = TRUE;
 		pView->m_sRangeMode = "Auto";
+		pView->m_sSmoothType = "Origin";
 		UpdateValue();
 		pDoc->UpdateAllViews(NULL);
 	}
@@ -414,6 +393,29 @@ void CMainFrame::OnOptSave()
 	pDoc->SetModifiedFlag(FALSE);
 }
 
+void CMainFrame::OnStaStart()
+{
+	if (pDoc == nullptr)   pDoc = (CMCADoc*)GetActiveDocument();
+	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
+
+	// 重置结束条件
+	pView->m_nT0 = GetMilliTime();
+	// 设置状态
+	m_bStartFlag = FALSE;
+	m_bStopFlag = TRUE;
+	m_bClearFlag = FALSE;
+	pView->SetCond(FALSE);
+	// 获取屏幕值至变量
+	pView->UpdateData(TRUE);
+	// 设置更新
+	SetTimer(1, 20, NULL);
+}
+
+void CMainFrame::OnUpdateStaStart(CCmdUI* pCmdUI)
+{
+	pCmdUI->Enable(m_bStartFlag);
+}
+
 void CMainFrame::OnStaStop()
 {
 	// 设置状态
@@ -532,6 +534,8 @@ void CMainFrame::OnAxisLog()
 	if (pView == nullptr)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
 
 	pView->m_sAxisMode = (CString)"Log";
+	pView->m_sRangeMode = "Auto";
+	m_bAutoFlag = FALSE;
 	m_bLinearFlag = TRUE;
 	m_bLogFlag = FALSE;
 }