We'll reply all your questions, including but not limited to how-tos, bug reports and feature
                suggestions.
                There will never be a situation that you couldn't get help from one when you have problem. Most of the
                bugs you
                mentioned can
                be quickly resolved, and we will seriously consider and respond to your suggestions.
                We do hope these tools could increase your efficiency in working or studying.
                email us ra@redisant.com.
            
