Hi Brahim and Jidan, 

Please edit the BrainNet.m, in line 1962:

change the code: 
text(0,surf.sphere(j,2),surf.sphere(j,3)+surf.sphere(j,7)*EC.nod.size_ratio+2,surf.label{j},'FontName',EC.lbl_font.FontName,'FontWeight',EC.lbl_font.FontWeight,'FontAngle',EC.lbl_font.FontAngle,'FontSize',EC.lbl_font.FontSize,'FontUnits',EC.lbl_font.FontUnits,'HorizontalAlignment','center');

to:
text(surf.sphere(j,1),surf.sphere(j,2),surf.sphere(j,3)+surf.sphere(j,7)*EC.nod.size_ratio+2,surf.label{j},'FontName',EC.lbl_font.FontName,'FontWeight',EC.lbl_font.FontWeight,'FontAngle',EC.lbl_font.FontAngle,'FontSize',EC.lbl_font.FontSize,'FontUnits',EC.lbl_font.FontUnits,'HorizontalAlignment','center');


Mingrui