请教大神

仿真时出现错误：
Simulation  4 Clear
06:16 PM Elapsed: 0.887 sec
The current directory 'd:\program files\polyspace\r2019a\bin' is reserved for MATLAB files.

Please change your current directory to a writable directory outside of the MATLAB installation area.
Component:Stateflow | Category:General error
The current directory 'd:\program files\polyspace\r2019a\bin' is reserved for MATLAB files.

Please change your current directory to a writable directory outside of the MATLAB installation area.
Component:Stateflow | Category:General error
The current directory 'd:\program files\polyspace\r2019a\bin' is reserved for MATLAB files.

Please change your current directory to a writable directory outside of the MATLAB installation area.
Component:Stateflow | Category:General error
The current directory 'd:\program files\polyspace\r2019a\bin' is reserved for MATLAB files.

Please change your current directory to a writable directory outside of the MATLAB installation area.

怎么修改文件夹？MATLAB R2019