From 7b7a0f9aa7d0d13e8bd2662d70a6751c51133055 Mon Sep 17 00:00:00 2001
From: Alireza Ahmadi <alireza7@gmail.com>
Date: Tue, 25 Apr 2023 10:44:39 +0200
Subject: [PATCH] [sub] fix bug in http link without host

---
 web/service/sub.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/web/service/sub.go b/web/service/sub.go
index 3a2bba23..6de6cfcf 100644
--- a/web/service/sub.go
+++ b/web/service/sub.go
@@ -532,7 +532,11 @@ func searchHost(headers interface{}) string {
 			switch v.(type) {
 			case []interface{}:
 				hosts, _ := v.([]interface{})
-				return hosts[0].(string)
+				if len(hosts) > 0 {
+					return hosts[0].(string)
+				} else {
+					return ""
+				}
 			case interface{}:
 				return v.(string)
 			}