diff --git a/README.md b/README.md
index a7661a6..7f8dab8 100644
--- a/README.md
+++ b/README.md
@@ -146,7 +146,7 @@ android:
 
 huawei:
   enabled: true
-  appsecret: "YOUR_APP_SECRET"
+  appsecret: "YOUR_APP_SECRET" # use 'apikey' instead if you use v1.13.0 or below
   appid: "YOUR_APP_ID"
   max_retry: 0 # resend fail notification, default value zero is disabled