diff --git a/docs/README.md b/docs/README.md
index cc2dafe1..e72d0a9c 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,3 +1,5 @@
+[🎁 面试专栏限时优惠，更能加入知识星球](https://xiaozhuanlan.com/CyC2018)
+
 ##  ✏️ 算法
 
 > [剑指 Offer 题解](notes/剑指%20offer%20题解.md) </br>
@@ -54,4 +56,4 @@
 
 ## ✒️ 专栏
 
-> [后端技术面试进阶指南](https://xiaozhuanlan.com/CyC2018)
+> [后端面试进阶指南](https://xiaozhuanlan.com/CyC2018)