diff --git a/ShadowsocksX-NG/install_kcptun.sh b/ShadowsocksX-NG/install_kcptun.sh
index 6615fbb..8136b7f 100755
--- a/ShadowsocksX-NG/install_kcptun.sh
+++ b/ShadowsocksX-NG/install_kcptun.sh
@@ -15,10 +15,8 @@ cd `dirname "${BASH_SOURCE[0]}"`
 mkdir -p "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_$VERSION"
 cp -f kcptun_client "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_$VERSION/"
 
-rm -f "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_client"
-ln -s "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_$VERSION/kcptun_client" "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_client"
+ln -sfh "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_$VERSION/kcptun_client" "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_client"
 
-rm -f "$HOME/Library/Application Support/ShadowsocksX-NG/plugins/kcptun"
-ln -s "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_$VERSION/kcptun_client" "$HOME/Library/Application Support/ShadowsocksX-NG/plugins/kcptun"
+ln -sfh "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_$VERSION/kcptun_client" "$HOME/Library/Application Support/ShadowsocksX-NG/plugins/kcptun"
 
 echo "install kcptun done"