修改底图

@@ -41,10 +41,9 @@ require([
     "esri/symbols/SimpleMarkerSymbol",
     "esri/symbols/PictureMarkerSymbol",
     "dojo/domReady!",
-
 ], function (declare, BaseWidget, html, url, on, query, topic, lang, array, Deferred,
              cache, DrawTool, EventUtils, Map, Basemap, MapView, FeatureLayer, TileLayer, Point, Graphic, Circle, GraphicsLayer, MapImageLayer, ScaleBar, Extent,
-             Query, PrintTask, PrintTemplate, PrintParameters, LegendLayer, SimpleLineSymbol, SimpleFillSymbol, SimpleMarkerSymbol, PictureMarkerSymbol,) {
+             Query, PrintTask, PrintTemplate, PrintParameters, LegendLayer, SimpleLineSymbol, SimpleFillSymbol, SimpleMarkerSymbol, PictureMarkerSymbol) {
     print = cache(new url("print/Widget.html"), {sanitize: true});
     const _self = new Vue({
         el: '#mapDiv',
@@ -2006,7 +2005,7 @@ require([
     let switchButton = document.getElementById("switch_btn");   // 切换地图按钮
     let regionSwitch = document.getElementById("region_select");   // 下拉切换区县区域
     let resetMap = document.getElementById("resetMap");   // 重置地图
-
+    
     let layer_imageMap = new TileLayer({
         url: 'http://10.6.144.134:6080/arcgis/rest/services/影像底图2000/2018GF影像/MapServer'   // 影像地图
     });
@@ -2032,12 +2031,12 @@ require([
 
     // 创建地图实例
     let ext = new Extent({
-            xmin:1.1332182150213555E7,
-            ymin:4379415.470661429,
-            xmax:1.1339935515720293E7,
-            ymax:4383168.328167147,
-            spatialReference: 3857
-        })
+        xmin:1.1332182150213555E7,
+        ymin:4379415.470661429,
+        xmax:1.1339935515720293E7,
+        ymax:4383168.328167147,
+        spatialReference: 3857
+})
     ;
     _self.myMap = new Map()
     // _self.myMap = new Map({
@@ -2061,7 +2060,7 @@ require([
         //url: 'http://10.6.144.88:6080/arcgis/rest/services/实施监督系统/地图灰化2/MapServer'   // 电子地图
         url: 'https://192.168.5.164:6443/arcgis/rest/services/xzsj/ygyx/MapServer',   // 电子地图
         sublayers: [
-            {
+           {
                 id: 0,
                 visible: true
             }