modified: README.md

README.md

@@ -38,3 +38,21 @@ For the author's amdwprsct project, please visit the following address: https://
         Uninstall project files      ./uninstall.sh
 ```
 6. In the user-defined data area of the script file (lzvpns.sh), you can configure three basic operation parameters according to the instructions.
+
+```markdown
+#  ------------- User Defined Data --------------
+
+# The host port of the router, which is used by the VPN client when accessing the router 
+# from the WAN using the domain name or IP address. 
+# 0--Primary WAN (Default), 1--Secondary WAN
+WAN_ACCESS_PORT=0
+
+# The router host port used by VPN clients when accessing the WAN through the router.
+# 0--Primary WAN (Default), 1--Secondary WAN, Other--System Allocation
+VPN_WAN_PORT=0
+
+# Polling time for detecting and maintaining PPTP/IPSec VPN service status.
+# 1~10s (The default is 3 seconds)
+POLLING_TIME=3
+
+```