Update README.md

Author: wanzhenchn

README.md

@@ -4,9 +4,10 @@
 <img src="./resource/picture/EndNote_X9_Logo.png" height=20% width=50% >
 </div>
 
-Update: 5 Mar. 2019
-- 国标GB/T 7714-2015 《信息与文献 参考文献著录规则》带书签可复制版: [GB/T 7714-2015 《信息与文献 参考文献著录规则》](https://github.com/wanzhenchn/EndNote_Tutorial_Hand_by_Hand/blob/master/resource/%E3%80%90GBT7714-2015%E3%80%91%E3%80%8A%E4%BF%A1%E6%81%AF%E4%B8%8E%E6%96%87%E7%8C%AE%20%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE%E8%91%97%E5%BD%95%E8%A7%84%E5%88%99%E3%80%8B%E5%B8%A6%E4%B9%A6%E7%AD%BE%E5%8F%AF%E5%A4%8D%E5%88%B6%E7%89%88.pdf)
-Update: 23 Dec. 2018
+- Update: 5 Mar. 2019
+  - 国标GB/T 7714-2015 《信息与文献 参考文献著录规则》带书签可复制版: [GB/T 7714-2015 《信息与文献 参考文献著录规则》](https://github.com/wanzhenchn/EndNote_Tutorial_Hand_by_Hand/blob/master/resource/%E3%80%90GBT7714-2015%E3%80%91%E3%80%8A%E4%BF%A1%E6%81%AF%E4%B8%8E%E6%96%87%E7%8C%AE%20%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE%E8%91%97%E5%BD%95%E8%A7%84%E5%88%99%E3%80%8B%E5%B8%A6%E4%B9%A6%E7%AD%BE%E5%8F%AF%E5%A4%8D%E5%88%B6%E7%89%88.pdf)
+
+- Update: 23 Dec. 2018
 
 文献管理软件EndNote X9史上最全实用教程，提供全方位文献管理与写作技能总结