diff --git a/src/utils/tools.rs b/src/utils/tools.rs
index 8a7afc5..17bae50 100644
--- a/src/utils/tools.rs
+++ b/src/utils/tools.rs
@@ -250,8 +250,8 @@ pub fn drop_priv(user: String, group: String, http_addr: String, tls_addr: Optio
     }
 }
 
-pub fn check_priv(addr: String) {
-    let port = SocketAddr::from_str(&addr).map(|sa| sa.port()).unwrap();
+pub fn check_priv(addr: &str) {
+    let port = SocketAddr::from_str(addr).map(|sa| sa.port()).unwrap();
     match port < 1024 {
         true => {
             let meta = std::fs::metadata("/proc/self").map(|m| m.uid()).unwrap();
diff --git a/src/web/start.rs b/src/web/start.rs
index 51b58e3..71e9ada 100644
--- a/src/web/start.rs
+++ b/src/web/start.rs
@@ -55,11 +55,11 @@ pub fn run() {
     let bind_address_http = cfg.proxy_address_http.clone();
     let bind_address_tls = cfg.proxy_address_tls.clone();
 
-    check_priv(bind_address_http.clone());
+    check_priv(bind_address_http.as_str());
 
     match bind_address_tls {
         Some(bind_address_tls) => {
-            check_priv(bind_address_tls.clone());
+            check_priv(bind_address_tls.as_str());
             let (tx, rx): (Sender<Vec<CertificateConfig>>, Receiver<Vec<CertificateConfig>>) = channel();
             let certs_path = cfg.proxy_certificates.clone().unwrap();
             thread::spawn(move || {