Cannot compute head model

Hello,

I want to compute a head model at the Cortex surface,but I fail.I have no idea.Do you have any suggestion? thank you
The message returned by MATLAB is as follows:

  Error: OpenMEEG call: om_assemble -HM
**       "C:\Users\羅喨\.brainstorm\tmp\openmeeg.geom"
**       "C:\Users\羅喨\.brainstorm\tmp\openmeeg.cond"
**       "C:\Users\羅喨\.brainstorm\tmp\openmeeg_hm.mat"
** OpenMEEG error #1: 
** om_assemble version 2.4.1 compiled at Aug 22 2018 19:47:28 using OpenMP
**  Executing using 4 threads.
** 
** | ------ om_assemble
** | -HM
** | C:\Users\羅喨\.brainstorm\tmp\openmeeg.geom
** | C:\Users\羅喨\.brainstorm\tmp\openmeeg.cond
** | C:\Users\羅喨\.brainstorm\tmp\openmeeg_hm.mat
** | -----------------------
** (DEPRECATED) Please consider updating your geometry file to the new format 1.1 (see data/README.rst): C:\Users\羅喨\.brainstorm\tmp\openmeeg.geom
** Could not read the geometry file: C:\Users\羅喨\.brainstorm\tmp\openmeeg.geom
** 
** For help with OpenMEEG errors, please refer to the online tutorial:
** https://neuroimage.usc.edu/brainstorm/Tutorials/TutBem#Errors

This is the folder: C:\Users\羅喨\.brainstorm\tmp

I think the problem comes from special characters in your username.
Check this solution: