活动：添加新任务类型

shared/domain/activityField/treasureHuntField.ts

@@ -63,7 +63,7 @@ export class TreasureHuntShopData {
             return;
         }
         for (let item of this.list) {
-            let buyRecords = record.records.filter(obj => { obj.id === item.cellIndex });
+            let buyRecords = record.records.filter(obj => { return obj.id === item.cellIndex });
             item.buyCount = buyRecords.length;
         }
     }