resEnumId 作为主键，如果不存在必须传递null

 that.used.data = JSON.parse(JSON.stringify(this.used.data));
      let dataT = {
        groupId: that.used.data[rowI].groupId||that.used.data[rowI].schemaGroupId,
        resEnumId: that.used.data[rowI].resEnumId||null,
      };