提升extent变量状态；修改部分默认值

src/app/OlMap/MapComponent.tsx

@@ -96,12 +96,15 @@ export const useData = () => {
 };
 
 const MapComponent: React.FC<MapComponentProps> = ({ children }) => {
-  const MAP_EXTENT = config.MAP_EXTENT as [number, number, number, number];
-  const MAP_URL = config.MAP_URL;
-  
-  // Subscribe to project context for workspace changes
   const project = useProject();
   const MAP_WORKSPACE = project?.workspace || config.MAP_WORKSPACE;
+  const MAP_EXTENT = (project?.extent || config.MAP_EXTENT) as [
+    number,
+    number,
+    number,
+    number,
+  ];
+  const MAP_URL = config.MAP_URL;
   const MAP_VIEW_STORAGE_KEY = `${MAP_WORKSPACE}_map_view`; // 持久化 key
 
   const mapRef = useRef<HTMLDivElement | null>(null);
@@ -464,7 +467,7 @@ const MapComponent: React.FC<MapComponentProps> = ({ children }) => {
   const scadaLayer = new VectorLayer({
     source: scadaSource,
     style: scadaStyle,
-    // extent: extent, // 设置图层范围
+    extent: MAP_EXTENT, // 设置图层范围
     maxZoom: 24,
     minZoom: 11,
     properties: {