diff --git a/README.md b/README.md
index bf4e9b8..4ad0c9f 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,11 @@ cp wallpaper ~/.config/maomao/ -r
 
 
 ```
+
+# config
+> [!NOTE]
+> The configuration file is located in `config.h`. This file is generated every time the `meson build` command is executed. If the file already exists, it will not be regenerated. If you encounter compilation issues after updating, please try to remove this file and the `build folder`, then rerun the `meson build` command.
+
 # thanks for some refer repo 
 https://github.com/dqrk0jeste/owl - for window animation implementation code
 https://github.com/djpohly/dwl - for base dwl code