diff --git a/vnt/src/core/mod.rs b/vnt/src/core/mod.rs
index 0beba1d..d789be7 100644
--- a/vnt/src/core/mod.rs
+++ b/vnt/src/core/mod.rs
@@ -1,3 +1,4 @@
+use std::collections::HashSet;
 use std::io;
 use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4};
 use std::sync::Arc;
@@ -183,7 +184,7 @@ impl VntUtil {
         // NAT检测
         let nat_test = NatTest::new(config.nat_test_server.clone(), response.public_ip, response.public_port, local_ip, local_port);
 
-        let out_ips = config.out_ips.iter().map(|(_, _, ip)| *ip).collect::<Vec<Ipv4Addr>>();
+        let out_ips = config.out_ips.iter().map(|(_, _, ip)| *ip).collect::<HashSet<Ipv4Addr>>();
         let out_external_route = ExternalRoute::new(config.out_ips);
         let in_external_route = if config.in_ips.is_empty() {
             None
diff --git a/vnt/src/ip_proxy/mod.rs b/vnt/src/ip_proxy/mod.rs
index d4a59a0..4f25dc2 100644
--- a/vnt/src/ip_proxy/mod.rs
+++ b/vnt/src/ip_proxy/mod.rs
@@ -1,5 +1,5 @@
 use std::{io, thread};
-use std::collections::HashMap;
+use std::collections::{HashMap, HashSet};
 use std::net::{Ipv4Addr, SocketAddrV4};
 use std::sync::Arc;
 use crossbeam_utils::atomic::AtomicCell;
@@ -45,7 +45,7 @@ impl IpProxyMap {
     }
 }
 
-pub async fn init_proxy(sender: ChannelSender, bind_ips: Vec<Ipv4Addr>, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) -> io::Result<(TcpProxy, UdpProxy, IpProxyMap)> {
+pub async fn init_proxy(sender: ChannelSender, bind_ips: HashSet<Ipv4Addr>, current_device: Arc<AtomicCell<CurrentDeviceInfo>>) -> io::Result<(TcpProxy, UdpProxy, IpProxyMap)> {
     let mut icmp_sockets = HashMap::new();
     let tcp_proxy_map: Arc<SkipMap<SocketAddrV4, (SocketAddrV4, SocketAddrV4)>> = Arc::new(SkipMap::new());
     let udp_proxy_map: Arc<SkipMap<SocketAddrV4, (SocketAddrV4, SocketAddrV4)>> = Arc::new(SkipMap::new());