问题描述 今天调试flutter程序时报错。程序运行时报如下错误：type'Future<int>'isnotasubtypeoftype'int'intypecast 错误源码 intorder=DatabaseHelper.dbhelper.getTaskGroupRelationOrder()asint; TaskGroupRelationrelation=TaskGroupRelation( id:0, taskId:snapshot.data?[index].id, groupId:widget.groupId, taskOrder:order, ); Database...