diff --git a/src/client.rs b/src/client.rs
index aa6ba19..448fe3a 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -245,8 +245,8 @@ pub(crate) async fn create_ws_stream<S: AsyncRead + AsyncWrite + Unpin>(
     mut stream: S,
 ) -> Result<WebSocketStream<S>> {
     let client = config.client.as_ref().ok_or("client not exist")?;
-    let tunnel_path = config.tunnel_path.extract().first().ok_or("tunnel path not exist")?.clone();
-    let tunnel_path = tunnel_path.as_str().trim_matches('/');
+    let err = "tunnel path not exist";
+    let tunnel_path = config.tunnel_path.extract().first().ok_or(err)?.trim_matches('/');
 
     let b64_dst = dst_addr.as_ref().map(|dst_addr| addess_to_b64str(dst_addr, false));
 
diff --git a/src/config.rs b/src/config.rs
index bed1d09..ace82dc 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -73,10 +73,10 @@ impl TunnelPath {
         }
     }
 
-    pub fn extract(&self) -> Vec<String> {
+    pub fn extract(&self) -> Vec<&str> {
         match self {
-            TunnelPath::Single(s) => vec![s.clone()],
-            TunnelPath::Multiple(v) => v.clone(),
+            TunnelPath::Single(s) => vec![s],
+            TunnelPath::Multiple(v) => v.iter().map(|s| s.as_str()).collect(),
         }
     }
 }
diff --git a/src/server.rs b/src/server.rs
index 18df18a..5f8094e 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -158,7 +158,7 @@ where
     Ok(())
 }
 
-fn check_uri_path(buf: &[u8], path: &[String]) -> Result<bool> {
+fn check_uri_path(buf: &[u8], path: &[&str]) -> Result<bool> {
     let mut headers = [httparse::EMPTY_HEADER; 512];
     let mut req = httparse::Request::new(&mut headers);
     req.parse(buf)?;