diff --git a/How-to-issue-a-cert.md b/How-to-issue-a-cert.md
index 7d639e7..b747867 100644
--- a/How-to-issue-a-cert.md
+++ b/How-to-issue-a-cert.md
@@ -49,15 +49,15 @@ export CF_Email="xxxx@sss.com"
 acme.sh  --issue  -d example.com  --dns dns_cf
 ```
 
-How to use dns api:  https://github.com/Neilpang/acme.sh/tree/master/dnsapi
+How to use dns api:  https://github.com/acmesh-official/acme.sh/wiki/dnsapi
 
 #### 5) DNS manual mode:
 
-See: https://github.com/Neilpang/acme.sh/wiki/DNS-manual-mode
+See: https://github.com/acmesh-official/acme.sh/wiki/DNS-manual-mode
 
 #### 6) DNS alias mode:
 
-See: https://github.com/Neilpang/acme.sh/wiki/DNS-alias-mode
+See: https://github.com/acmesh-official/acme.sh/wiki/DNS-alias-mode
 
 #### 7) Apache mode: