diff --git a/examples/cesiumEx/8.1.1、叠加分析.html b/examples/cesiumEx/8.1.1、叠加分析.html
new file mode 100644
index 00000000..6f4c9288
--- /dev/null
+++ b/examples/cesiumEx/8.1.1、叠加分析.html
@@ -0,0 +1,94 @@
+<!--********************************************************************
+* by jiawanlong
+*********************************************************************-->
+<!DOCTYPE html>
+<html>
+
+<head>
+    <meta charset="UTF-8" />
+    <link rel="stylesheet" href="./../../cesium/Cesium1.98/Widgets/widgets.css">
+    <script type="text/javascript" src="./../../cesium/Cesium1.98/Cesium.js"></script>
+    <script src="./turf.min.js"></script>
+</head>
+
+<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
+    <div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
+    <script type="text/javascript">
+
+        Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
+        const viewer = new Cesium.Viewer('map', {});
+
+        // Cesium地形
+        viewer.terrainProvider = Cesium.createWorldTerrain({
+            requestWaterMask: true, // 请求水体效果所需要的海岸线数据
+            requestVertexNormals: true// 请求地形照明数据
+        });
+        // 深度监测
+        viewer.scene.globe.depthTestAgainstTerrain = true;
+
+        let arr1 = [
+            [117.182288, 31.854164],
+            [117.210254, 31.878324],
+            [117.238229, 31.855796],
+            [117.242307, 31.826109],
+            [117.177277, 31.821475],
+            [117.182288, 31.854164]
+        ]
+
+        let arr2 = [
+            [117.267046, 31.842971],
+            [117.20963, 31.840323],
+            [117.230646, 31.787122],
+            [117.28833, 31.799624],
+            [117.267046, 31.842971]
+        ]
+
+        let redPolygon = viewer.entities.add({
+            polygon: {
+                hierarchy: Cesium.Cartesian3.fromDegreesArray(arr1.flat()),
+                material: Cesium.Color.RED.withAlpha(0.5),
+            }
+        });
+
+        let redPolygon2 = viewer.entities.add({
+            polygon: {
+                hierarchy: Cesium.Cartesian3.fromDegreesArray(arr2.flat()),
+                material: Cesium.Color.GREEN.withAlpha(0.5),
+            }
+        });
+
+        var poly1 = turf.polygon([arr1]);
+        var poly2 = turf.polygon([arr2]);
+
+        var intersection = turf.intersect(poly1, poly2);
+
+        var promise = Cesium.GeoJsonDataSource.load(intersection, {
+            clampToGround: true,
+            fill: Cesium.Color.BLUE
+        });
+        promise.then(function (dataSource) {
+            viewer.dataSources.add(dataSource);
+        });
+
+        var area = turf.area(intersection);
+
+
+        var hello = viewer.entities.add({
+            position: Cesium.Cartesian3.fromDegrees(117.225959, 31.835235),
+            label: {
+                color: Cesium.Color.WHITE,
+                font: '18px',
+                outlineColor: Cesium.Color.WHITE,
+                text: '相交部分\n'+area+'M²',
+                verticalOrigin: Cesium.VerticalOrigin.TOP,
+                heightReference: Cesium.HeightReference.CLAMP_TO_GROUND,
+                disableDepthTestDistance: Number.POSITIVE_INFINITY,
+                outlineWidth: 2,
+            }
+        });
+
+        viewer.flyTo(promise);
+    </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git a/examples/cesiumEx/config.js b/examples/cesiumEx/config.js
index 41946678..6901d64d 100644
--- a/examples/cesiumEx/config.js
+++ b/examples/cesiumEx/config.js
@@ -1033,37 +1033,49 @@ var exampleConfig = {
         name: "8、可视化",
         name_en: "8、可视化",
         content: {
-            "map11cddd3233231": {
-                name: "8.1、可视化1",
-                name_en: "8.1、可视化1",
+            "map11cddd3111233231": {
+                name: "8.1、GIS客户端",
+                name_en: "8.1、GIS客户端",
                 content: [
                     {
-                        name: "8.1.1、kriging",
-                        name_en: "8.1.1、kriging",
+                        name: "8.1.1、叠加分析",
+                        name_en: "8.1.1、叠加分析",
+                        thumbnail: "8.1.1、叠加分析.jpg",
+                        fileName: "8.1.1、叠加分析"
+                    },
+                ]
+            },
+            "map11cddd3233231": {
+                name: "8.2、可视化1",
+                name_en: "8.2、可视化1",
+                content: [
+                    {
+                        name: "8.2.1、kriging",
+                        name_en: "8.2.1、kriging",
                         thumbnail: "8.1.1、kriging.jpg",
                         fileName: "8.1.1、kriging"
                     },
                     {
-                        name: "8.1.2、海流",
-                        name_en: "8.1.2、海流",
+                        name: "8.2.2、海流",
+                        name_en: "8.2.2、海流",
                         thumbnail: "8.1.2、海流.jpg",
                         fileName: "8.1.2、海流"
                     },
                     {
-                        name: "8.1.3、3d热力图",
-                        name_en: "8.1.3、3d热力图",
+                        name: "8.2.3、3d热力图",
+                        name_en: "8.2.3、3d热力图",
                         thumbnail: "8.1.3、3d热力图.jpg",
                         fileName: "8.1.3、3d热力图"
                     },
                     {
-                        name: "8.1.4、风场",
-                        name_en: "8.1.4、风场",
+                        name: "8.2.4、风场",
+                        name_en: "8.2.4、风场",
                         thumbnail: "8.1.4、风场.jpg",
                         fileName: "8.1.4、风场"
                     },
                     {
-                        name: "8.1.5、等值面",
-                        name_en: "8.1.5、等值面",
+                        name: "8.2.5、等值面",
+                        name_en: "8.2.5、等值面",
                         thumbnail: "8.1.5、等值面.jpg",
                         fileName: "8.1.5、等值面"
                     },
diff --git a/examples/cesiumEx/img/8.1.1、叠加分析.jpg b/examples/cesiumEx/img/8.1.1、叠加分析.jpg
new file mode 100644
index 00000000..084c84e8
Binary files /dev/null and b/examples/cesiumEx/img/8.1.1、叠加分析.jpg differ
