diff --git a/ss-rust.sh b/ss-rust.sh
index 2ad2d0b..32f427d 100644
--- a/ss-rust.sh
+++ b/ss-rust.sh
@@ -149,6 +149,7 @@ gen_config() {
 }
 EOF
             NODE_MODE="ss2022"
+            PORT_RAW="" ; KEY_RAW="" ; METHOD_RAW=""
             ;;
         2)
             cat > /etc/shadowsocks-rust/config.json << EOF
@@ -166,6 +167,7 @@ EOF
 }
 EOF
             NODE_MODE="ss128"
+            PORT_2022="" ; KEY_2022="" ; METHOD_2022=""
             ;;
         3|*)
             cat > /etc/shadowsocks-rust/config.json << EOF