diff --git a/clash_lib/src/proxy/utils/socket_helpers.rs b/clash_lib/src/proxy/utils/socket_helpers.rs
index 3ace92d5a..00578fa08 100644
--- a/clash_lib/src/proxy/utils/socket_helpers.rs
+++ b/clash_lib/src/proxy/utils/socket_helpers.rs
@@ -9,7 +9,6 @@ use tokio::{
     net::{TcpSocket, TcpStream, UdpSocket},
     time::timeout,
 };
-use tracing::warn;
 
 use super::Interface;
 use crate::{app::dns::ThreadSafeDNSResolver, proxy::AnyStream};
diff --git a/scripts/build.sh b/scripts/build.sh
index 0aeac7797..368c31dc8 100644
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -5,6 +5,7 @@ set -xe
 [ ! -d "target/artifacts" ] && mkdir -p target/artifacts
 
 for TARGET in $1; do
+  TARGET = $TARGET | tr -d '[:space:]' | tr -d '\n' | tr -d '\r'
   echo "building for $TARGET"
   rustup target add $TARGET
   cargo build -p clash --target $TARGET --release