diff --git a/src/components/index.vue b/src/components/index.vue
index 52105e5..3873be8 100644
--- a/src/components/index.vue
+++ b/src/components/index.vue
@@ -335,7 +335,7 @@
     ChangeBGC() {
       // 给予gis的方法调用demo  A
       // this.$refs.PathView;
-      this.$refs["PathView"].REFSFunctionToGis();
+      this.$refs["PathView"].REFSFunctionToGis(this.flag);
       // 给予gis的方法调用demo  E
 
       console.log(9999);

diff --git a/src/components/index.vue b/src/components/index.vue
index 52105e5..3873be8 100644
--- a/src/components/index.vue
+++ b/src/components/index.vue
@@ -335,7 +335,7 @@
     ChangeBGC() {
       // 给予gis的方法调用demo  A
       // this.$refs.PathView;
-      this.$refs["PathView"].REFSFunctionToGis();
+      this.$refs["PathView"].REFSFunctionToGis(this.flag);
       // 给予gis的方法调用demo  E
 
       console.log(9999);
diff --git a/src/components/site/previewOfSiteStatus.vue b/src/components/site/previewOfSiteStatus.vue
index 57c361c..be5e5ae 100644
--- a/src/components/site/previewOfSiteStatus.vue
+++ b/src/components/site/previewOfSiteStatus.vue
@@ -1000,12 +1000,20 @@
               logo: false,
               slider: false,
             });
-            let Main_Map = new ArcGISTiledMapServiceLayer(
+            
+             this.arcgiswhiteMap = new ArcGISTiledMapServiceLayer(
+              //"http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer"
+              "http://cache1.arcgisonline.cn/arcgis/rest/services/ChinaOnlineCommunity_Mobile/MapServer"
+            );
+             _this.map.addLayer(this.arcgiswhiteMap);
+             this.arcgiswhiteMap.hide()
+             this.arcgisMap = new ArcGISTiledMapServiceLayer(
               "http://map.geoq.cn/arcgis/rest/services/ChinaOnlineStreetPurplishBlue/MapServer"
             );
-            _this.map.addLayer(Main_Map);
+            _this.map.addLayer(this.arcgisMap);
             /* _this.map.on("zoom-end", function() {
             });
+            
 
             _this.map.on("click", function(e) {
             }); */
@@ -1152,10 +1160,21 @@
         });
     },
     // 给与gis的方法调动dome
-    REFSFunctionToGis() {
-      console.log(
-        "在index调用到了previewOfSiteStatus中的REFSFunctionToGis方法"
-      );
+    REFSFunctionToGis(type) {
+ 
+      if (!type) {
+        //加载黑色arcgis午夜蓝图
+            this.arcgiswhiteMap.hide()
+             this.arcgisMap.show()
+      }
+      else
+      {   
+        //加载蓝色底图
+             this.arcgisMap.hide()
+             this.arcgiswhiteMap.show()
+
+      }
+    
     },
   },
   mounted: function () {