@@ -1174,7 +1174,7 @@ void CMainFrame::InitDevicePanel()
// MenuTree;
CMFCRibbonComboBox* pChipCombo = DYNAMIC_DOWNCAST(CMFCRibbonComboBox, pRibbon->FindByID(ID_COMBO_PRODUCT));
- if (pChipCombo)
+ if (pChipCombo && m_map_tree.size())
{
for (auto it : m_map_tree)