diff --git a/pharmq-setup.sh b/pharmq-setup.sh
index 99e461f..5ecf4b5 100644
--- a/pharmq-setup.sh
+++ b/pharmq-setup.sh
@@ -596,7 +596,7 @@ phase5_create_ct() {
             ct_hostname=$(pct config "$vmid" 2>/dev/null | grep "^hostname:" | awk '{print $2}')
             if [ "$ct_hostname" = "ubuntu-api" ]; then
                 CT_VMID="$vmid"
-                CT_LAN_IP=$(pct config "$vmid" 2>/dev/null | grep "^net0:" | grep -oP 'ip=\K[^/]+')
+                CT_LAN_IP=$(pct config "$vmid" 2>/dev/null | grep "^net0:" | sed 's/.*ip=\([^/]*\).*/\1/' || true)
                 print_ok "CT $CT_VMID (ubuntu-api) 이미 존재 — 생성 스킵"
                 # CT가 꺼져있으면 시작
                 if pct status "$vmid" 2>/dev/null | grep -q "stopped"; then
@@ -693,8 +693,8 @@ phase6_setup_ct() {
     }
 
     # 이미 CT에 Tailscale이 등록되어있고 API 코드가 있으면 스킵
-    local existing_vpn
-    existing_vpn=$(ct_exec "tailscale ip -4 2>/dev/null" 2>/dev/null | tr -d '[:space:]')
+    local existing_vpn=""
+    existing_vpn=$(ct_exec "tailscale ip -4 2>/dev/null" 2>/dev/null | tr -d '[:space:]' || true)
     if [ -n "$existing_vpn" ] && ct_exec "test -d /srv/person-lookup-web-local" 2>/dev/null; then
         CT_VPN_IP="$existing_vpn"
         print_ok "CT 환경 이미 구축됨 (VPN: $CT_VPN_IP) — 스킵"