diff --git a/tcp_relay_client/src/lib.rs b/tcp_relay_client/src/lib.rs
index e69de29..dfc2cc9 100644
--- a/tcp_relay_client/src/lib.rs
+++ b/tcp_relay_client/src/lib.rs
@@ -0,0 +1 @@
+pub mod relay_client;
\ No newline at end of file
diff --git a/tcp_relay_client/src/main.rs b/tcp_relay_client/src/main.rs
index 97357c6..e963693 100644
--- a/tcp_relay_client/src/main.rs
+++ b/tcp_relay_client/src/main.rs
@@ -3,6 +3,7 @@ use std::sync::Arc;
 use clap::Parser;
 
 use base::RemoteConfig;
+use tcp_relay_client::relay_client::relay_client;
 
 /// TCP relay client
 #[derive(Parser, Debug, Clone)]
@@ -41,7 +42,23 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     }
     let conf = req.json::<RemoteConfig>()
         .await?;
-    println!("{:#?}", conf);
+
+    // Start to listen port
+    let mut handles = vec![];
+    for port in conf {
+        let listen_address = format!("{}:{}", args.listen_address, port.port);
+
+        let args_clone = args.clone();
+        let handle = std::thread::spawn(move || {
+            relay_client(&args_clone.token, port.id,
+                         &args_clone.listen_address, &listen_address);
+        });
+        handles.push(handle);
+    }
+
+    for h in handles {
+        h.join().unwrap();
+    }
 
     Ok(())
 }
\ No newline at end of file
diff --git a/tcp_relay_client/src/relay_client.rs b/tcp_relay_client/src/relay_client.rs
new file mode 100644
index 0000000..94581c9
--- /dev/null
+++ b/tcp_relay_client/src/relay_client.rs
@@ -0,0 +1,14 @@
+use std::future::Future;
+use std::net::TcpListener;
+
+pub fn relay_client(token: &str, port_id: usize, server: &str, listen_address: &str) {
+    log::info!("({}) Start to listen on {}", port_id, listen_address);
+    let listener = match TcpListener::bind(&listen_address) {
+        Ok(l) => l,
+        Err(e) => {
+            log::error!("Failed to start to listen on {}!", listen_address);
+            std::process::exit(3);
+        }
+    };
+
+}
\ No newline at end of file