From 78b91ad3ceab3226bad4a067319bd78ff31b987b Mon Sep 17 00:00:00 2001
From: Shaun <mr.wrfly@gmail.com>
Date: Thu, 16 Nov 2023 03:31:29 +0000
Subject: [PATCH] fix: ignore unexported fields

---
 ecp.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ecp.go b/ecp.go
index 22d4c9a..b4427f5 100644
--- a/ecp.go
+++ b/ecp.go
@@ -58,6 +58,9 @@ func (e *ecp) List(config interface{}, prefix ...string) []string {
 	configValue := toValue(config)
 	configType := configValue.Type()
 	for index := 0; index < configValue.NumField(); index++ {
+		if !configType.Field(index).IsExported() {
+			continue
+		}
 		all := e.getAll(getAllOpt{configType, configValue, index, parentName})
 		if all.parent == "-" || all.key == "" {
 			continue