diff --git a/scripts/vuln01_regression.sh b/scripts/vuln01_regression.sh
index c6cd0a1..3e62c58 100755
--- a/scripts/vuln01_regression.sh
+++ b/scripts/vuln01_regression.sh
@@ -4,6 +4,7 @@ set -euo pipefail
 BASE_URL="${BASE_URL:-https://wx.sstbc.com}"
 COURSE_ID="${COURSE_ID:-}"
 CURL_TIMEOUT="${CURL_TIMEOUT:-20}"
+CURL_RESOLVE="${CURL_RESOLVE:-}"
 TMP_DIR="$(mktemp -d)"
 trap 'rm -rf "$TMP_DIR"' EXIT
 
@@ -16,6 +17,9 @@ CURL_ARGS=(-sS -L --max-time "$CURL_TIMEOUT")
 if [[ "${CURL_INSECURE:-0}" == "1" ]]; then
     CURL_ARGS+=(-k)
 fi
+if [[ -n "$CURL_RESOLVE" ]]; then
+    CURL_ARGS+=(--resolve "$CURL_RESOLVE")
+fi
 
 request() {
     local name="$1"