diff --git a/easytier/src/dns/utils/addr.rs b/easytier/src/dns/utils/addr.rs
index 055c14ff..7cb73186 100644
--- a/easytier/src/dns/utils/addr.rs
+++ b/easytier/src/dns/utils/addr.rs
@@ -23,8 +23,8 @@ impl From<NameServerAddr> for NameServerConfig {
     }
 }
 
-impl From<NameServerConfig> for NameServerAddr {
-    fn from(value: NameServerConfig) -> Self {
+impl From<&NameServerConfig> for NameServerAddr {
+    fn from(value: &NameServerConfig) -> Self {
         Self {
             protocol: value.protocol,
             addr: value.socket_addr,
@@ -32,6 +32,12 @@ impl From<NameServerConfig> for NameServerAddr {
     }
 }
 
+impl From<NameServerConfig> for NameServerAddr {
+    fn from(value: NameServerConfig) -> Self {
+        (&value).into()
+    }
+}
+
 impl From<SocketAddr> for NameServerAddr {
     fn from(value: SocketAddr) -> Self {
         Self {