diff --git a/beijing.geojson b/beijing.geojson
index cc07757..a193def 100644
--- a/beijing.geojson
+++ b/beijing.geojson
@@ -1,11 +1,35 @@
 {
-  "type": "Feature",
-  "geometry": {
-    "type": "Point",
-    "coordinates": [116.4074, 39.9042] // 经度, 纬度
-  },
-  "properties": {
-    "name": "北京天安门",
-    "category": "景点"
-  }
-}
\ No newline at end of file
+  "type": "FeatureCollection",
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "北京首都国际机场",
+        "category": "Airport"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [116.5873, 40.0779]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "示例区域",
+        "category": "Park"
+      },
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [116.38, 39.90],
+            [116.40, 39.90],
+            [116.40, 39.92],
+            [116.38, 39.92],
+            [116.38, 39.90]
+          ]
+        ]
+      }
+    }
+  ]
+}