diff --git a/frontend/components/dashboard/widgets/MapTestWidgetV2.tsx b/frontend/components/dashboard/widgets/MapTestWidgetV2.tsx
index e23d32c1..694cba79 100644
--- a/frontend/components/dashboard/widgets/MapTestWidgetV2.tsx
+++ b/frontend/components/dashboard/widgets/MapTestWidgetV2.tsx
@@ -498,7 +498,10 @@ export default function MapTestWidgetV2({ element }: MapTestWidgetV2Props) {
       // 위도/경도가 있고 polygon 모드가 아니면 마커로 처리
       if (lat !== undefined && lng !== undefined && (mapDisplayType as string) !== "polygon") {
         markers.push({
-          id: `${sourceName}-marker-${index}-${row.code || row.id || Date.now()}`, // 고유 ID 생성
+          // 진행 방향(heading) 계산을 위해 ID는 새로고침마다 바뀌지 않도록 고정값 사용
+          // - row.id / row.code가 있으면 그 값을 사용
+          // - 없으면 sourceName과 index 조합으로 고정 ID 생성
+          id: row.id || row.code || `${sourceName}-marker-${index}`,
           lat: Number(lat),
           lng: Number(lng),
           latitude: Number(lat),
@@ -987,7 +990,7 @@ export default function MapTestWidgetV2({ element }: MapTestWidgetV2Props) {
           markers.reduce((sum, m) => sum + m.lat, 0) / markers.length,
           markers.reduce((sum, m) => sum + m.lng, 0) / markers.length,
         ]
-      : [20, 0]; // 🌍 세계 지도 중심 (ISS 테스트용)
+      : [36.5, 127.5]; // 한국 중심
 
   return (
     <div className="bg-background flex h-full w-full flex-col">
@@ -1027,17 +1030,22 @@ export default function MapTestWidgetV2({ element }: MapTestWidgetV2Props) {
           <MapContainer
             key={`map-widget-${element.id}`}
             center={center}
-            zoom={element.chartConfig?.initialZoom || 8}
-            minZoom={8}
-            maxZoom={18}
-            scrollWheelZoom={true}
-            doubleClickZoom={true}
-            touchZoom={true}
-            zoomControl={true}
+            zoom={element.chartConfig?.initialZoom ?? 8}
+            minZoom={element.chartConfig?.minZoom ?? 8}
+            maxZoom={element.chartConfig?.maxZoom ?? 18}
+            scrollWheelZoom
+            doubleClickZoom
+            touchZoom
+            zoomControl
             style={{ width: "100%", height: "100%" }}
             className="z-0"
           >
-            <TileLayer url={tileMapUrl} attribution="&copy; VWorld" minZoom={8} maxZoom={18} />
+            <TileLayer
+              url={tileMapUrl}
+              attribution="&copy; VWorld"
+              minZoom={element.chartConfig?.minZoom ?? 8}
+              maxZoom={element.chartConfig?.maxZoom ?? 18}
+            />
 
             {/* 폴리곤 렌더링 */}
             {/* GeoJSON 렌더링 (육지 지역 경계선) */}