diff --git a/epmet-oper-web/.env.chengyang-prod b/epmet-oper-web/.env.chengyang-prod
new file mode 100644
index 0000000..e7dadfa
--- /dev/null
+++ b/epmet-oper-web/.env.chengyang-prod
@@ -0,0 +1,4 @@
+NODE_ENV=preview
+VUE_APP_API_SERVER =  http://10.60.156.4/api
+VUE_APP_NODE_ENV=preview
+VUE_APP_PUBLIC_PATH=epmet-oper
\ No newline at end of file