Fix the dependency issue

Cargo.toml

@@ -16,19 +16,20 @@ tokio = { version = "1.36", features = [
     "time",
     "io-util",
     "macros",
+    "rt-multi-thread",
 ], default-features = false }
 etherparse = { version = "0.14", default-features = false, features = ["std"] }
 thiserror = { version = "1.0", default-features = false }
-log = { version = "0.4", default-features = false}
-rand = {version = "0.8.5", default-features = false, features = ["std","std_rng"] }
+log = { version = "0.4", default-features = false }
+rand = { version = "0.8.5", default-features = false, features = [
+    "std",
+    "std_rng",
+] }
 
 [dev-dependencies]
 clap = { version = "4.5", features = ["derive"] }
 env_logger = "0.11"
 udp-stream = { version = "0.0", default-features = false }
-tokio = { version = "1.36", features = [
-    "rt-multi-thread",
-], default-features = false }
 
 
 #tun2.rs example
@@ -52,6 +53,3 @@ incremental = false      # Disable incremental compilation.
 overflow-checks = false  # Disable overflow checks.
 strip = true             # Automatically strip symbols from the binary.
 
-[[example]]
-name = "tun2"
-required-features = ["log"]

examples/tun_wintun.rs

@@ -17,7 +17,7 @@ struct Args {
     server_addr: SocketAddr,
 }
 
-#[tokio::main(flavor = "current_thread")]
+#[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let args = Args::parse();
 

src/stream/tcp.rs

@@ -531,10 +531,6 @@ impl Drop for IpStackTcpStream {
         task::block_in_place(move || {
             Handle::current().block_on(async move {
                 _ = self.shutdown().await;
-                println!(
-                    "Shudown done, Drop for IpStackTcpStream {:?}",
-                    self.dst_addr
-                );
                 if let Ok(p) = self.create_rev_packet(NON, DROP_TTL, None, Vec::new()) {
                     _ = self.packet_sender.send(p);
                 }