if (listtag.length > 0) {
          return showDialog<Null>(
            context: context,
            builder: (BuildContext context) {
              var listtag2 = result['data']['list'];
              return StatefulBuilder(
                builder: (context, state) {
                  return SimpleDialog(
                    children: <Widget>[
                      Container(
                        alignment: Alignment.centerRight,
                        child: Padding(
                          padding: EdgeInsets.only(
                              top: 0.0, left: 0.0, right: 10.0, bottom: 0.0),
                          child: GestureDetector(
                            behavior: HitTestBehavior.opaque,
                            onTap: () {
                              Navigator.of(context).pop();
                            },
                            child: Icon(
                              Icons.close,
                              color: Color(0xFFC6C6C6),
                              size: 20.0,
                            ),
                          ),
                        ),
                        width: ScreenUtil.getInstance().setWidth(300),
                      ),
                      Padding(
                        padding: EdgeInsets.only(
                            top: 0.0,
                            left: 0.0,
                            right: 0.0,
                            bottom: ScreenUtil.getInstance().setWidth(70)),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.center,
                          children: <Widget>[
                            Text(
                              '選擇或刪除咨詢類型',
                              style: new TextStyle(
                                  fontSize: ScreenUtil.getInstance().setSp(30),
                                  color: Color(0xFF333333)),
                            ),
                          ],
                        ),
                      ),
                      Container(
                        alignment: Alignment.topCenter,
                        width: MediaQuery.of(context).size.width,
                        height: 100,
                        color: Color(0xFFffffff),
                        margin: EdgeInsets.only(
                            top: 0.0, left: 10.0, right: 10.0, bottom: 0.0),
                        child: GridView.builder(
                          physics: NeverScrollableScrollPhysics(),
                          gridDelegate:
                              SliverGridDelegateWithFixedCrossAxisCount(
                            mainAxisSpacing: 0,
                            // 竖向间距
                            crossAxisCount: 2,
                            childAspectRatio: 10 / 3,
                            // 横向 Item 的个数
                            crossAxisSpacing: 10.0,
//              childAspectRatio: 1,
                          ),
                          scrollDirection: Axis.vertical,
                          itemCount: listtag2.length,
                          itemBuilder: (BuildContext context, int index) {
                            return GestureDetector(
                              behavior: HitTestBehavior.opaque,
                              onTap: () {
                                listtag2[index]['isCheck'] =
                                listtag2[index]['isCheck']==0 ? 1 : 0;
                                state(() {
                                  listtag2 = listtag2;
                                });
                              },
                              child: tagitem(listtag[index], index),
                            );
                          },
                        ),
                      ),
                      GestureDetector(
                        behavior: HitTestBehavior.opaque,
                        onTap: () {
                          Navigator.of(context).pop();
                        },
                        child: Container(
                          height: ScreenUtil.getInstance().setWidth(60),
                          alignment: Alignment.center,
                          margin: EdgeInsets.only(
                              top: 0.0,
                              left: ScreenUtil.getInstance().setWidth(150),
                              right: ScreenUtil.getInstance().setWidth(150),
                              bottom: 0.0),
                          decoration: new BoxDecoration(
                            color: Color(0xFF1BB3B2),
                            borderRadius: BorderRadius.circular(
                                ScreenUtil.getInstance().setWidth(30)),
                          ),
                          child: Text(
                            '確認',
                            style: new TextStyle(
                                fontSize: ScreenUtil.getInstance().setSp(32),
                                color: Color(0xFFffffff)),
                          ),
                        ),
                      ),
                    ],
                  );
                },
              );
            },
          ).then((val) {
            print(val);
          });
        } else {
          Fluttertoast.showToast(
            msg: '没有可选标签',
            toastLength: Toast.LENGTH_SHORT,
            gravity: ToastGravity.CENTER,
          );
        }