diff --git a/.env.preview b/.env.preview
index c170e2236..f0e0c6c05 100644
--- a/.env.preview
+++ b/.env.preview
@@ -1,5 +1,6 @@
 NODE_ENV=production
 # VUE_APP_API_SERVER =  http://120.27.18.76/api
 VUE_APP_API_SERVER =  https://epmet-preview.elinkservice.cn/api
+VUE_APP_BIPASS_API_SERVER = https://epmet-preview.elinkservice.cn/linkdata/linkdata-gateway/route
 VUE_APP_NODE_ENV=prod:uat
 VUE_APP_PUBLIC_PATH=epmet-oper
\ No newline at end of file