def get_system_dir(self) -> str:
        """ 
        system dir is dir for aios system
        /opt/aios
        """
        if self.is_dev_mode:
            return os.path.abspath(_file_dir + "/../../")
        else:
            return "/opt/aios/"
 
        system dir is dir for aios system
        /opt/aios
        
src/aios/storage/storage.py