update

controller/statisticsController.js

@@ -267,9 +267,11 @@ async function getAreaDistribution(req, res, next) {
         }
         //往下取一层
         let len = zonePre.parentIds && zonePre.parentIds.length || 0;
-        let zones = await DB.Zone.find({ "parentIds": { $size: len + 1, $elemMatch: { $eq: zonePre._id } } }).lean().exec(); //查找所有子区域
+        // let zones = await DB.Zone.find({ "parentIds": { $size: len + 1, $elemMatch: { $eq: zonePre._id } } }).lean().exec(); //查找所有子区域
+        let zones = await DB.Zone.find({ "parentIds": { $elemMatch: { $eq: zonePre._id } } }).lean().exec(); //查找所有子区域
         let zoneIds = zones.map(o => { return o._id });
         zoneIds.push(zonePre._id);
+        console.log(zones)
         let lands = await DB.Land.aggregate([
             { $match: { zone: { $in: zoneIds } } },
             {