diff --git a/src/lib.rs b/src/lib.rs
index a13716b..996ef3c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,7 +6,7 @@ mod utils;
 
 use std::{sync::atomic::AtomicU8, time::Duration};
 
-use std::net::SocketAddr;
+use std::net::{SocketAddr, ToSocketAddrs};
 
 pub use network::get_edge;
 use network::{async_main, init_edge, NodeConfig};
@@ -52,11 +52,18 @@ async fn parse_config(uuid: String, args: &CommandLine) -> Result<NodeConfig> {
     }
     // node_conf.allow_p2p = args.allow_p2p;
 
-    let Ok(nat1) = args.nat_server1.parse::<SocketAddr>() else {
-        return Err(SDLanError::NormalError("failed to parse nat server1"));
+    let Ok(addr1) = args.nat_server1.to_socket_addrs() else {
+        return Err(SDLanError::NormalError("nat_server1 format error"));
     };
-    let Ok(nat2) = args.nat_server2.parse::<SocketAddr>() else {
-        return Err(SDLanError::NormalError("failed to parse nat server2"));
+    let Some(nat1) = addr1.into_iter().next() else {
+        return Err(SDLanError::NormalError("get nat_server1 failed"));
+    };
+
+    let Ok(addr2) = args.nat_server2.to_socket_addrs() else {
+        return Err(SDLanError::NormalError("nat_server2 format error"));
+    };
+    let Some(nat2) = addr2.into_iter().next() else {
+        return Err(SDLanError::NormalError("get nat_server2 failed"));
     };
 
     let sns: Vec<&str> = args.sn.split(",").collect();