diff --git a/envar-base-basic.js b/envar-base-basic.js
index 43cfd2c..fddcc18 100644
--- a/envar-base-basic.js
+++ b/envar-base-basic.js
@@ -1,17 +1,12 @@
-module.exports={
-  protocol: 'http',
-  host: 'localhost',
+const inDev = global.inDev || global.envar?.inDev || process.env.NODE_ENV === 'development'
+
+module.exports = {
+  protocol: inDev ? 'http' : 'httpall',
+  host: inDev ? 'localhost' : 'vic-user.bittic.org',
   port: undefined,
-
-  ENV_PRODUCTION: {
-    protocol: 'httpall',
-    host: 'vic-user.bittic.org',
-    // 如果使用 https 协议，必须填写以下内容，或在命令行参数中设置：
-    sslType: 'file', // greenlock or file
-    sslDomainList: ['vic-user.bittic.org'],
-    sslKey: '/etc/letsencrypt/live/vic-server.bittic.org/privkey.pem', // ssl key file,
-    sslCert: '/etc/letsencrypt/live/vic-server.bittic.org/fullchain.pem', // ssl cert file,
-    sslCA: '/etc/letsencrypt/live/vic-server.bittic.org/bundle.pem', // ssl ca file,    
-  },
-
-}
\ No newline at end of file
+  sslType: 'file', // greenlock or file
+  sslDomainList: ['vic-user.bittic.org'],
+  sslKey: '/etc/letsencrypt/live/vic-server.bittic.org/privkey.pem', // ssl key file,
+  sslCert: '/etc/letsencrypt/live/vic-server.bittic.org/fullchain.pem', // ssl cert file,
+  sslCA: '/etc/letsencrypt/live/vic-server.bittic.org/bundle.pem', // ssl ca file,
+}