diff --git a/src/bin/rs-proxy.rs b/src/bin/rs-proxy.rs
index 8e4390d..30bc27f 100644
--- a/src/bin/rs-proxy.rs
+++ b/src/bin/rs-proxy.rs
@@ -8,7 +8,8 @@ use clap::Parser;
 use std::fs::File;
 use std::io::{Read, Write};
 use std::path::Path;
-use anyhow::{ Result};
+use std::rc::Rc;
+use anyhow::{Context, Result};
 
 use log::LevelFilter;
 use rs_proxy::{ProxyService, RsProxyArgs, RsProxyConfig};
@@ -20,27 +21,34 @@ listen = 21883
 target = "127.0.0.1:1883"
 "#;
 
-fn main() {
+fn main() -> Result<()> {
     env_logger::builder().filter_level(LevelFilter::Debug).init();
 
     let args: RsProxyArgs = RsProxyArgs::parse();
-    let config_value = read_config(args.config).unwrap();
+    let config_value = read_config(args.config)
+        .context("read config file failed.")?;
     debug!("rs-proxy config: \n{}", config_value);
     info!("rs-proxy starting... ");
-    let rs_proxy_config: RsProxyConfig = toml::from_str(&config_value).unwrap();
+    let rs_proxy_config: RsProxyConfig = toml::from_str(&config_value)
+        .context("invalid config file.")?;
     let mut handles = Vec::new();
     match rs_proxy_config.proxy {
         Some(proxy_vec) => {
             for proxy in proxy_vec {
-                let service = ProxyService::new(proxy.name, proxy.listen, proxy.target).unwrap();
-                handles.push(service.run());
+                let proxy_rf = Rc::new(proxy);
+                if proxy_rf.enable != Some(false) {
+                    let service = ProxyService::new(proxy_rf.clone())
+                        .context(format!("invalid value in {:?}", proxy_rf))?;
+                    handles.push(service.run());
+                }
             }
         }
         None => info!("rs-proxy exit with empty config.")
     };
     for handle in handles {
-        handle.join().expect("exit.");
+        let _ = handle.join().expect("exit.");
     }
+    Ok(())
 }
 
 fn read_config(config_path: Option<String>) -> Result<String> {
diff --git a/src/config.rs b/src/config.rs
index 9dbc472..903af9c 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -20,8 +20,9 @@ pub struct RsProxyConfig
 }
 
 #[derive(Deserialize)]
-#[derive(Debug)]
+#[derive(Debug, )]
 pub struct ProxyConfig {
+    pub enable: Option<bool>,
     pub name: String,
     pub listen: u16,
     pub target: String,
diff --git a/src/proxy_service.rs b/src/proxy_service.rs
index 8f3c721..647f1e4 100644
--- a/src/proxy_service.rs
+++ b/src/proxy_service.rs
@@ -1,12 +1,14 @@
 use std::net::{Ipv4Addr, Shutdown, SocketAddrV4, TcpListener, TcpStream};
 use std::str::FromStr;
 use std::{io, thread};
+use std::rc::Rc;
 use std::sync::Arc;
 use std::thread::JoinHandle;
 
 use anyhow::{Result};
 use thread::spawn;
 use log::{error, info};
+use crate::ProxyConfig;
 
 pub struct ProxyService {
     name: Arc<String>,
@@ -16,11 +18,11 @@ pub struct ProxyService {
 
 
 impl ProxyService {
-    pub fn new(name: String, listen: u16, target: String) -> Result<ProxyService> {
-        let listen_socket = SocketAddrV4::new(Ipv4Addr::from_str("0.0.0.0")?, listen);
-        let target_socket = SocketAddrV4::from_str(target.as_str())?;
+    pub fn new(config: Rc<ProxyConfig>) -> Result<ProxyService> {
+        let listen_socket = SocketAddrV4::new(Ipv4Addr::from_str("0.0.0.0")?, config.listen);
+        let target_socket = SocketAddrV4::from_str(config.target.as_str())?;
         Ok(ProxyService {
-            name: Arc::new(name),
+            name: Arc::new(config.name.clone()),
             listen: Arc::new(listen_socket),
             target: Arc::new(target_socket),
         })