diff --git a/dns.yaml b/dns.yaml
new file mode 100644
index 0000000..16dfcac
--- /dev/null
+++ b/dns.yaml
@@ -0,0 +1,28 @@
+Servers: {}
+Fallbacks:
+    cdn-lfs.huggingface.co:
+        - 3.163.218.77
+        - 3.163.218.75
+        - 3.163.218.60
+        - 3.163.218.88
+        - 2600:9000:26a9:6e00:11:f807:5180:93a1
+        - 2600:9000:26a9:8400:11:f807:5180:93a1
+        - 2600:9000:26a9:e400:11:f807:5180:93a1
+        - 2600:9000:26a9:6400:11:f807:5180:93a1
+        - 2600:9000:26a9:f400:11:f807:5180:93a1
+        - 2600:9000:26a9:ec00:11:f807:5180:93a1
+        - 2600:9000:26a9:6600:11:f807:5180:93a1
+        - 2600:9000:26a9:fa00:11:f807:5180:93a1
+    huggingface.co:
+        - 18.65.159.75
+        - 18.65.159.63
+        - 18.65.159.2
+        - 18.65.159.20
+        - 2600:9000:2218:9200:17:b174:6d00:93a1
+        - 2600:9000:2218:e00:17:b174:6d00:93a1
+        - 2600:9000:2218:4800:17:b174:6d00:93a1
+        - 2600:9000:2218:6c00:17:b174:6d00:93a1
+        - 2600:9000:2218:b200:17:b174:6d00:93a1
+        - 2600:9000:2218:6800:17:b174:6d00:93a1
+        - 2600:9000:2218:c800:17:b174:6d00:93a1
+        - 2600:9000:2218:2e00:17:b174:6d00:93a1
diff --git a/go.mod b/go.mod
index 511e6b4..25dd89a 100644
--- a/go.mod
+++ b/go.mod
@@ -3,17 +3,14 @@ module rvcmd
 go 1.22.1
 
 require (
+	github.com/fumiama/terasu v0.0.0-20240420161109-c8c0088d72cd
+	github.com/gizak/termui/v3 v3.1.0
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.9.3
 	golang.org/x/sys v0.19.0
 	gopkg.in/yaml.v3 v3.0.1
 )
 
-require (
-	github.com/fumiama/terasu v0.0.0-20240418161858-1c3273a78268
-	github.com/gizak/termui/v3 v3.1.0
-)
-
 require (
 	github.com/FloatTech/ttl v0.0.0-20230307105452-d6f7b2b647d1 // indirect
 	github.com/RomiChan/syncx v0.0.0-20240418144900-b7402ffdebc7 // indirect
diff --git a/go.sum b/go.sum
index 3615ff9..ea9437d 100644
--- a/go.sum
+++ b/go.sum
@@ -5,8 +5,8 @@ github.com/RomiChan/syncx v0.0.0-20240418144900-b7402ffdebc7/go.mod h1:vD7Ra3Q9o
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/fumiama/terasu v0.0.0-20240418161858-1c3273a78268 h1:6R8kSGVSIoR3xm2NG8Z4ivkTpAET783RFsJOVKrI7n8=
-github.com/fumiama/terasu v0.0.0-20240418161858-1c3273a78268/go.mod h1:afchyfKAb7J/zvaENtYzjIEPVbwiEjJaow05zzT4usM=
+github.com/fumiama/terasu v0.0.0-20240420161109-c8c0088d72cd h1:cEUaAUdb1uVyOfEenCMtU3lUMELTVwepn/g7UL/CK54=
+github.com/fumiama/terasu v0.0.0-20240420161109-c8c0088d72cd/go.mod h1:afchyfKAb7J/zvaENtYzjIEPVbwiEjJaow05zzT4usM=
 github.com/gizak/termui/v3 v3.1.0 h1:ZZmVDgwHl7gR7elfKf1xc4IudXZ5qqfDh4wExk4Iajc=
 github.com/gizak/termui/v3 v3.1.0/go.mod h1:bXQEBkJpzxUAKf0+xq9MSWAvWZlE7c+aidmyFlkYTrY=
 github.com/mattn/go-runewidth v0.0.2 h1:UnlwIPBGaTZfPQ6T1IGzPI0EkYAQmT9fAEJ/poFC63o=
diff --git a/main.go b/main.go
index b8b281c..a59bb71 100644
--- a/main.go
+++ b/main.go
@@ -68,7 +68,7 @@ func main() {
 				errorln("open custom dns file", *dnsf, "err:", err)
 				return
 			}
-			m := map[string][]string{}
+			m := dns.DNSConfig{}
 			err = yaml.NewDecoder(f).Decode(&m)
 			if err != nil {
 				errorln("decode custom dns file", *dnsf, "err:", err)
@@ -76,9 +76,9 @@ func main() {
 			}
 			_ = f.Close()
 			if ip.IsIPv6Available.Get() {
-				dns.IPv6Servers.Add(m)
+				dns.IPv6Servers.Add(&m)
 			} else {
-				dns.IPv4Servers.Add(m)
+				dns.IPv4Servers.Add(&m)
 			}
 			infoln("custom dns file added")
 		}