diff --git a/README.md b/README.md
index 3f1c36b..5a51ebd 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 <!--
  * @Author: your name
  * @Date: 2022-04-17 00:54:11
- * @LastEditTime: 2022-05-06 10:43:10
+ * @LastEditTime: 2022-05-23 09:31:56
  * @LastEditors: hugo2046 shen.lan123@gmail.com
  * @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
  * @FilePath: \undefinedd:\WrokSpace\Quantitative-analysis\README.md
@@ -39,6 +39,7 @@
 14. [技术指标形态识别](https://www.joinquant.com/view/community/detail/1636a1cadab86dc65c65355fe431380c)
     - 复现《Foundations of Technical Analysis》
     - Technical Pattern Recognition文件：申万行业日度跟踪(Technical Pattern Recognition)
+15. [C-VIX中国版VIX编制手册](https://www.joinquant.com/view/community/detail/787f5bf7ba5add2d5bc68e154046c10e)
 
 
 **因子**
@@ -56,7 +57,7 @@
 11. [高质量动量因子选股](https://www.joinquant.com/view/community/detail/f72c599da7d4ca155b25bff4b281e2e6)
 12. [APM因子改进模型](https://www.joinquant.com/view/community/detail/992fe40cc06c0bde50aa4aaf93fa042c)
 13. [高频价量相关性，意想不到的选股因子](https://www.joinquant.com/view/community/detail/539e74507dbf571f2be21d8fa4ebb8e6)
-14. ["因时制宜"系列研究之二：基于企业生命周期的因子有效性分析]()
+14. ["因时制宜"系列研究之二：基于企业生命周期的因子有效性分析](https://www.joinquant.com/view/community/detail/6740756eee3287ae66cbb239a9c53479)
     1.  composition_factor算法来源于:《20190104-华泰证券-因子合成方法实证分析》
     2.  [IPCA](https://github.com/bkelly-lab/ipca)来源于[《Instrumented Principal Component Analysis》](https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2983919)
 15. [因子择时](https://www.joinquant.com/view/community/detail/a873b8ba2b510a228eac411eafb93bea)