gitbook serve does not work

[nice guy]

gitbook not work when Summary.md

# Summary

* [Introduction](README.md)
    * [Beginning Game Programming with C#](dir/C# demo.md)

[Manaswini Das]

@newpost The same happened to me as well, I guess there's a problem when there are special characters or spaces in the file names. Try renaming those files by replacing spaces with hyphens or underscores(It worked for me).

[friday]

遇到相同的问题 ，运行环境 mac monterey 12.6.1、 nodejs 12