diff --git a/dnsapi2.md b/dnsapi2.md
index 2c9d940..4e518c2 100644
--- a/dnsapi2.md
+++ b/dnsapi2.md
@@ -2081,11 +2081,11 @@ Report any bugs or issues [here](https://github.com/acmesh-official/acme.sh/issu
 
 ## 162. Use West.cn API
 
-Please visit https://www.west.cn/manager/API/APIconfig.asp to obtain the API key.
-
+Please visit https://www.west.cn/manager/API/APIconfig.asp to obtain the Plaint API key.
+<Your Encryption APIKey> = md5(<Your Plaint APIKey>)
 ```sh
 export WEST_Username="<Your Username>"
-export WEST_Key="<Your APIKey>"
+export WEST_Key="<Your Encryption APIKey>"
 ```
 
 To issue a cert, run the following: