更新提示；

TCL Copy Tool/TCL Copy Tool/OTA.cpp

@@ -1826,11 +1826,16 @@ void COTA::UpgradeCheck(std::string factoryNum)
 		return;
 	}
 
+	if (MessageBox(NULL, _T("found out lastest software version, you have to update."), _T("Tips"), MB_YESNO | MB_TOPMOST | MB_ICONINFORMATION) == IDNO)
+		return;
+
 	// 保存成文件;
 	if (!DownloadFile(upresult.upcontent.fileurl, szNewPath))
 	{
 		LOG4C((LOG_NOTICE, "下载升级文件失败"));
+		MessageBox(NULL, _T("Download failure."), _T("Tips"), MB_OK | MB_TOPMOST | MB_ICONINFORMATION);
 		ReportUpgrade(FALSE, szVersion, factoryNum);
+		return;
 	}
 	else
 	{
@@ -1839,7 +1844,7 @@ void COTA::UpgradeCheck(std::string factoryNum)
 
 	Sleep(500);
 
-	MessageBox(NULL, _T("found out lastest software version, you need restart apps."), _T("Tips"), MB_OK | MB_TOPMOST | MB_ICONINFORMATION);
+	MessageBox(NULL, _T("Complete the download, you need restart apps."), _T("Tips"), MB_OK | MB_TOPMOST | MB_ICONINFORMATION);
 
 	// 启动程序;
 	::CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE); //某些情况下要初始化COM才能使用ShellExecuteEx;
@@ -1857,7 +1862,8 @@ void COTA::UpgradeCheck(std::string factoryNum)
 	if (!ShellExecuteEx(&stuExecInfo))
 	{
 		DWORD dwError = GetLastError();
-		LOG4C((LOG_ERROR, "执行rename程序失败，错误码=%d", dwError))
+		LOG4C((LOG_ERROR, "执行rename程序失败，错误码=%d", dwError));
+		MessageBox(NULL, _T("Upgrade failure."), _T("Tips"), MB_OK | MB_TOPMOST | MB_ICONINFORMATION);
 		return;
 	}