修改

src/Obj/Base/BatchModel/index.js

@@ -74,7 +74,7 @@ class BatchModel extends Base {
       Draw && Draw.start((a, positions) => {
         this.options.positions = positions;
         //判断范围是否过大
-        if (positions) {
+        if (positions.length != 0 || positions.lng) {
           if (options.type == '面') {
             let posi = positions.map(v => {
               return Cesium.Cartesian3.fromDegrees(v.lng, v.lat)