将问题补充里的一段中文摘要翻译成英文摘要，请一定不要使用翻译软件，最好是专业人士帮忙。非常感谢。

Summary : It is of great significance for agencies, enterprises and institutions to improve efficiency, strengthen internal management that the official documents of effective functioning.OAK is to accelerate the documents circulation, improve the working efficiency of the administrative department office systems,many units are in use, but in the process of running, often long turnaround time, signed do not timely phenomenon, contrary to the original intention of using the OAK system.What are the documents signed to do the behind?How to improve OAK signed to do rate, thus improving the efficiency of the administrative departments, office managers need to think about.
Keyword ：OAK system document signed to do rate improve
弱弱的问一句，是要写论文吧？祝顺利