diff --git a/Blogs-and-tutorials.md b/Blogs-and-tutorials.md
index caae690..23efd8f 100644
--- a/Blogs-and-tutorials.md
+++ b/Blogs-and-tutorials.md
@@ -1,7 +1,7 @@
 Here are some blogs that may help you:
 
 ## 中文
-1. https://zhaochen.xyz/archives/5/
+1. https://zhaochen.xyz/2016/06/21/5.html
 1. https://liliang13.com/tag/acme-sh/
 1. https://meta.discoursecn.org/t/topic/1061
 1. https://mechanus.io/acme-sh-ji-li-tui-jian-de-lets-encrypt-gong-ju/
@@ -13,6 +13,7 @@ Here are some blogs that may help you:
 1. http://frankwei.xyz/kuai-su-ban-fa-ge-mian-fei-de-sslzheng-shu/
 1. http://www.yilan.io/article/5703d07dc41b4c012e973bcb
 1. https://yatesun.com/2016/04/lets-encrypt-certificate/
+1. 
 
 
 ## English
@@ -55,4 +56,3 @@ Here are some blogs that may help you:
 ## German
 1. https://hilfreiche-server.tips/index.php/blog/proxmox-4-absichern-mit-lets-encrypt-ssl-zertifikat
 1. http://adminforge.de/webserver/lets-encrypt-via-acme-sh-fuer-apache-und-nginx/
-