diff --git a/README.md b/README.md
index f83d20f..b7429ef 100644
--- a/README.md
+++ b/README.md
@@ -58,5 +58,6 @@ CC BY-SA 4.0
 支付宝：![](https://github.com/firmianay/CTF-All-In-One/blob/master/myAlipay.jpg)
 微信(加好友请标注“github”)：![](https://github.com/firmianay/CTF-All-In-One/blob/master/myWechat.jpg)
 
-- 2018-12-04 微信 长点心吧* 10
-- 2018-12-17 微信 tjw 10
+- 2018-12-04 微信 长点心吧 ¥10
+- 2018-12-17 微信 tjw ¥10
+- 2019-01-27 微信 Yimin Zhang ¥99
diff --git a/catalog.pdf b/catalog.pdf
index 5b0a1de..7e45227 100644
Binary files a/catalog.pdf and b/catalog.pdf differ