From 168ef4585a66ff1a716562f5ba31c958d3d3652c Mon Sep 17 00:00:00 2001
From: Timothy <yexiaozhou2003@gmail.com>
Date: Thu, 6 Feb 2020 15:21:13 +0800
Subject: [PATCH] fix issue

---
 utils.go | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/utils.go b/utils.go
index ae80539..c229ac1 100644
--- a/utils.go
+++ b/utils.go
@@ -93,15 +93,11 @@ func GetIPFromInterface(configuration *Settings) (string, error) {
 				continue
 			}
 		} else {
-			if configuration.IPType != IPV6 {
+			if strings.ToUpper(configuration.IPType) != IPV6 {
 				continue
 			}
 		}
 
-		if !isIPv4(ip.String()) {
-			continue
-		}
-
 		return ip.String(), nil
 
 	}