diff --git a/network/src/network.rs b/network/src/network.rs
index 5b0d33a2c5..142523345c 100644
--- a/network/src/network.rs
+++ b/network/src/network.rs
@@ -123,9 +123,8 @@ impl NetworkState {
             config.peer_store_path(),
         ));
         info!("Loaded the peer store.");
-        if config.proxy_config.enable {
-            proxy::check_proxy_url(&config.proxy_config.proxy_url)
-                .map_err(|reason| Error::Config(reason))?;
+        if let Some(ref proxy_url) = config.proxy_config.proxy_url {
+            proxy::check_proxy_url(proxy_url).map_err(|reason| Error::Config(reason))?;
         }
 
         let bootnodes = config.bootnodes();
@@ -998,14 +997,13 @@ impl NetworkService {
                     if init.is_ready() {
                         break;
                     }
-                    let proxy_config_enable = config.proxy_config.enable;
-
-                    if proxy_config_enable {
-                        let proxy_config = ProxyConfig {
-                            proxy_url: config.proxy_config.proxy_url.clone(),
-                        };
-                        service_builder = service_builder.tcp_proxy_config(Some(proxy_config));
-                    }
+                    let proxy_config_enable = config.proxy_config.proxy_url.is_some();
+                    service_builder = service_builder.tcp_proxy_config(
+                        config
+                            .proxy_config
+                            .proxy_url
+                            .map(|proxy_url| ProxyConfig { proxy_url }),
+                    );
 
                     match find_type(multi_addr) {
                         TransportType::Tcp => {
diff --git a/util/app-config/src/configs/network.rs b/util/app-config/src/configs/network.rs
index 3df0459117..f1965c1f9d 100644
--- a/util/app-config/src/configs/network.rs
+++ b/util/app-config/src/configs/network.rs
@@ -103,9 +103,8 @@ pub struct Config {
 /// Proxy related config options
 #[derive(Clone, Debug, Serialize, Deserialize, Default)]
 pub struct ProxyConfig {
-    pub enable: bool,
     // like: socks5://username:password@127.0.0.1:1080
-    pub proxy_url: String,
+    pub proxy_url: Option<String>,
 }
 
 /// Chain synchronization config options.