设置图标

entry/src/main/ets/viewmodel/MainPageData.ets

@@ -41,8 +41,8 @@ const buttonInfo: ButtonInfoModel[] = [
   },
   {
     index: 3,
-    img: $rawfile("tabbar/saomiao.png"),
-    selectImg: $rawfile("tabbar/saomiao.png"),
+    img: $rawfile("tabbar/xitong.png"),
+    selectImg: $rawfile("tabbar/houqiweihuweihuweihuguanli.png"),
     title: $r('app.string.system_maintenance')
   }
 ]