diff --git a/etc/mix/mix-test-offline.yaml b/etc/mix/mix-test-offline.yaml
index f3c7dddf..c40006f5 100644
--- a/etc/mix/mix-test-offline.yaml
+++ b/etc/mix/mix-test-offline.yaml
@@ -46,6 +46,14 @@ wxpay_tfz:
   app_secret: "ebc325109b91087e22f046bc8ac5c940"
   apiv2_key: "mot5410nh69k87e22f046bc8anv5xds8"
 
+wxpay_tiefanzone:
+  mchid: "1679775327"
+  appid: "wx9ef291dbf4684ace"
+  serial_no: "64BB9C68FD441858D428D73182AB4D62D27A5DE2"
+  apiv3_key: "5QwY1XMK1HW3JQwGKbA3mfJ5cdsTQGjR"
+  private_key_path: "/app/wishpal-ironfan-offline/etc/mix/wxpaycert_tiefanzone/apiclient_key.pem"
+  notify_url: "https://testapi.tiefen.fun/ext/vas/wxpay_callback"
+
 crypto:
   aes:
     private_key: "Xbz1145141919810"