diff --git a/scripts/src/box.iptables b/scripts/src/box.iptables
index f2a5a19..627bfd0 100755
--- a/scripts/src/box.iptables
+++ b/scripts/src/box.iptables
@@ -39,6 +39,7 @@ network_port() {
     /system/bin/netstat -tnulp | grep -q "${tproxy_port}" || log error "tproxy_port: ${tproxy_port} out of sync with config"
   fi
   if [ "${network_mode}" = "mixed" ] || [ "${proxy_mode}" = "tun" ]; then
+    sleep 1
     /system/bin/ifconfig | grep -q "${tun_device}" || log error "tun_device: '${tun_device}' not found"
   fi
 }
diff --git a/scripts/src/box.tool b/scripts/src/box.tool
index 751dea2..6544467 100755
--- a/scripts/src/box.tool
+++ b/scripts/src/box.tool
@@ -4,13 +4,10 @@ scripts=$(realpath $0)
 scripts_dir=$(dirname ${scripts})
 source /data/adb/box/settings.ini
 
-user_agent="${bin_name}"
-# set meta and dev flags
-meta=true
-# if meta flag is true, download clash.meta
-dev=false
-# option to download Singbox kernel beta or release
-singbox_releases=true
+user_agent="box_for_magisk"
+meta=true # option to download Clash kernel clash-premium{false} or clash-meta{true}
+dev=false # for clash-premium,
+singbox_releases=false # option to download Singbox kernel beta or release
 
 # log on terminal
 logs() {