diff --git a/crates/shadowsocks-service/src/local/mod.rs b/crates/shadowsocks-service/src/local/mod.rs
index 8bc709e60fcb..98f38f1dc1d9 100644
--- a/crates/shadowsocks-service/src/local/mod.rs
+++ b/crates/shadowsocks-service/src/local/mod.rs
@@ -232,8 +232,8 @@ impl Server {
                 balancer_builder.check_best_interval(intv);
             }
 
-            for server in &config.server {
-                balancer_builder.add_server(server.clone());
+            for server in config.server {
+                balancer_builder.add_server(server);
             }
 
             balancer_builder.build().await?