diff --git a/check-npm-sudo-config.sh b/check-npm-sudo-config.sh
index ca5f8c8..487ba9a 100755
--- a/check-npm-sudo-config.sh
+++ b/check-npm-sudo-config.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# check-npm-sudo-config.sh
+# check-npm-sudo-config.sh v1.0
 # Audits npm configuration on this VM for sudo-related issues and recommends fixes.
 
 set -euo pipefail
@@ -17,6 +17,8 @@ send_telegram() {
 
 HOSTNAME=$(hostname)
 DATE=$(date)
+LOGFILE="$SCRIPT_DIR/logs/npm-sudo-config-$(date +%Y%m%d).log"
+mkdir -p "$SCRIPT_DIR/logs"
 
 RED='\033[0;31m'
 YELLOW='\033[1;33m'
@@ -27,12 +29,12 @@ RESET='\033[0m'
 ISSUES=0
 WARNINGS=0
 
-log()    { echo "$*"; }
-ok()     { printf "${GREEN}✓${RESET} %s\n" "$*"; }
-warn()   { printf "${YELLOW}⚠${RESET} %s\n" "$*"; (( WARNINGS++ )) || true; }
-fail()   { printf "${RED}✗${RESET} %s\n" "$*"; (( ISSUES++ )) || true; }
-rec()    { printf "  ${YELLOW}→${RESET} %s\n" "$*"; }
-header() { echo ""; echo "=========================================="; echo "$*"; echo "=========================================="; }
+log()    { echo "$*" | tee -a "$LOGFILE"; }
+ok()     { log "$(printf "${GREEN}✓${RESET} %s" "$*")"; }
+warn()   { log "$(printf "${YELLOW}⚠${RESET} %s" "$*")"; (( WARNINGS++ )) || true; }
+fail()   { log "$(printf "${RED}✗${RESET} %s" "$*")"; (( ISSUES++ )) || true; }
+rec()    { log "$(printf "  ${YELLOW}→${RESET} %s" "$*")"; }
+header() { log ""; log "=========================================="; log "$*"; log "=========================================="; }
 
 log "=========================================="
 log "  npm sudo config audit"
@@ -179,6 +181,7 @@ fi
 # ── Summary ───────────────────────────────────────────────────────────────────
 header "SUMMARY"
 log "Scan completed at: $(date)"
+log "Log saved to     : $LOGFILE"
 log ""
 
 if [[ $ISSUES -gt 0 ]]; then