diff --git a/Cargo.toml b/Cargo.toml
index f8b1d26..08f0d37 100755
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,6 +28,7 @@ structopt = "0.3.26"
 tokio = { version = "1.38.0", features = ["full"] }
 tokio-util = "0.7.11"
 tracing = "0.1.40"
+myactor = { git = "https://gitea.s5s8.com/rust/actor-rs.git" }
 # rolling-file = { path = "../rolling-file" }
 
 [target.'cfg(unix)'.dependencies]
diff --git a/src/bin/punchnet/main.rs b/src/bin/punchnet/main.rs
index 995128e..1055941 100755
--- a/src/bin/punchnet/main.rs
+++ b/src/bin/punchnet/main.rs
@@ -1,6 +1,5 @@
 use punchnet::get_base_dir;
 use punchnet::get_edge;
-use punchnet::get_my_networks;
 use punchnet::mod_hostname;
 use punchnet::restore_dns;
 use punchnet::run_sdlan;
@@ -9,11 +8,9 @@ use punchnet::CommandLine;
 use punchnet::CommandLineInput;
 use sdlan_sn_rs::log;
 
-use sdlan_sn_rs::utils::gen_uuid_u64;
 use tracing::error;
 
 use std::net::ToSocketAddrs;
-use std::time::Duration;
 use structopt::StructOpt;
 
 #[tokio::main]
diff --git a/src/utils/pid_recorder.rs b/src/utils/pid_recorder.rs
index 16e9de7..71616c3 100755
--- a/src/utils/pid_recorder.rs
+++ b/src/utils/pid_recorder.rs
@@ -7,6 +7,7 @@ use tracing::{error};
 #[allow(unused)]
 pub struct PidRecorder(String);
 
+#[allow(unused)]
 impl PidRecorder {
     pub fn new(pidfile: &str) -> Self {
         let pid = std::process::id();
diff --git a/src/utils/socks.rs b/src/utils/socks.rs
index 1297736..840f754 100755
--- a/src/utils/socks.rs
+++ b/src/utils/socks.rs
@@ -78,7 +78,7 @@ impl Socket {
             }
         }
         if tos != 0 {
-            if let Err(e) = udp.set_tos(tos) {
+            if let Err(e) = udp.set_tos_v4(tos) {
                 error!("failed to set tos: {}", e.to_string());
             }
         }