fix: 背景图切换未刷新

src/views/map-config/mini-map/MapBase/KonvaMap.vue

@@ -109,6 +109,7 @@
   const resizeContainer = (width, height) => {
     stageConfig.value.width = width;
     stageConfig.value.height = height;
+    layer.value.getNode().draw();
   };
 
   const defaultIconConfig = ref({
@@ -272,6 +273,7 @@
 
   const clearBg = () => {
     bgImg.src = null as any as string;
+    layer.value.getNode().draw();
   };
 
   //添加背景