fix domain check bug.

v2ray.sh

@@ -10,7 +10,7 @@ none='\e[0m'
 # Root
 [[ $(id -u) != 0 ]] && echo -e " 哎呀……请使用 ${red}root ${none}用户运行 ${yellow}~(^_^) ${none}" && exit 1
 
-_version="v3.21"
+_version="v3.22"
 
 cmd="apt-get"
 
@@ -1763,8 +1763,8 @@ change_proxy_site_config() {
 }
 domain_check() {
 	# test_domain=$(dig $new_domain +short)
-	# test_domain=$(ping $domain -c 1 -4 | grep -oE -m1 "([0-9]{1,3}\.){3}[0-9]{1,3}")
+	# test_domain=$(ping $new_domain -c 1 -4 | grep -oE -m1 "([0-9]{1,3}\.){3}[0-9]{1,3}")
-	# test_domain=$(wget -qO- --header='accept: application/dns-json' "https://cloudflare-dns.com/dns-query?name=$domain&type=A" | grep -oE "([0-9]{1,3}\.){3}[0-9]{1,3}" | head -1)
+	# test_domain=$(wget -qO- --header='accept: application/dns-json' "https://cloudflare-dns.com/dns-query?name=$new_domain&type=A" | grep -oE "([0-9]{1,3}\.){3}[0-9]{1,3}" | head -1)
 	test_domain=$(curl -sH 'accept: application/dns-json' "https://cloudflare-dns.com/dns-query?name=$new_domain&type=A" | grep -oE "([0-9]{1,3}\.){3}[0-9]{1,3}" | head -1)
 	if [[ $test_domain != $ip ]]; then
 		echo