anchor.diff:                  child: new Column(
                     mainAxisSize: MainAxisSize.min,
                     children: <Widget>[
  -                    new Row(
  -                      children: <Widget>[
  -                        ///用户名
  -                        new RawMaterialButton(
  -                          constraints:
  -                              new BoxConstraints(minWidth: 0.0, minHeight: 0.0),
  -                          padding: new EdgeInsets.all(0.0),
  -                          onPressed: () {
  -                            NavigatorUtils.goPerson(
  -                                context, widget.reposHeaderViewModel.ownerName);
  -                          },
  -                          child: new Text(widget.reposHeaderViewModel.ownerName,
  -                              style: GSYConstant.normalTextActionWhiteBold
  -                                  .copyWith(shadows: [
  -                                BoxShadow(
  -                                    color: Colors.black,
  -                                    offset: Offset(0.5, 0.5))
  -                              ])),
  -                        ),
  -                        new Text(" / ",
  -                            style: GSYConstant.normalTextMitWhiteBold.copyWith(
  -                                shadows: [
  -                                  BoxShadow(
  -                                      color: Colors.black,
  -                                      offset: Offset(0.5, 0.5))
  -                                ])),
  -
  -                        ///仓库名,
  -                        new Expanded(
  -                            child: new Text(
  -                                widget.reposHeaderViewModel.repositoryName,
  -                                maxLines: 1,
  -                                overflow: TextOverflow.ellipsis,
  -                                style: GSYConstant.normalTextMitWhiteBold
  -                                    .copyWith(shadows: [
  -                                  BoxShadow(
  -                                      color: Colors.black,
  -                                      offset: Offset(0.5, 0.5))
  -                                ])))
  -                      ],
  -                    ),
  -                    new Row(
  -                      children: <Widget>[
  -                        ///仓库语言
  -                        new Text(
  -                            widget.reposHeaderViewModel.repositoryType ?? "--",
  -                            style: GSYConstant.smallSubLightText.copyWith(
  -                                shadows: [
  -                                  BoxShadow(
  -                                      color: Colors.grey,
  -                                      offset: Offset(0.5, 0.5))
  -                                ])),
  -                        new Container(width: 5.3, height: 1.0),
  -
  -                        ///仓库大小
  -                        new Text(
  -                            widget.reposHeaderViewModel.repositorySize ?? "--",
  -                            style: GSYConstant.smallSubLightText.copyWith(
  -                                shadows: [
  -                                  BoxShadow(
  -                                      color: Colors.grey,
  -                                      offset: Offset(0.5, 0.5))
  -                                ])),
  -                        new Container(width: 5.3, height: 1.0),
  -
  -                        ///仓库协议
  -                        new Expanded(
  -                            child: new Text(
  -                                widget.reposHeaderViewModel.license ?? "--",
  -                                maxLines: 1,
  -                                overflow: TextOverflow.ellipsis,
  -                                style: GSYConstant.smallSubLightText.copyWith(
  -                                    shadows: [
  -                                      BoxShadow(
  -                                          color: Colors.grey,
  -                                          offset: Offset(0.5, 0.5))
  -                                    ]))),
  -                      ],
  -                    ),
  +                    _renderTopNameInfo(),
  +                    _renderSubInfo(),
   
                       ///仓库描述
  -                    new Container(
  -                        child: new Text(
  -                          CommonUtils.removeTextTag(
  -                                  widget.reposHeaderViewModel.repositoryDes) ??
  -                              "---",
  -                          style: GSYConstant.smallSubLightText.copyWith(
  -                              shadows: [
  -                                BoxShadow(
  -                                    color: Colors.grey,
  -                                    offset: Offset(0.5, 0.5))
  -                              ]),
  -                          maxLines: 3,
  -                          overflow: TextOverflow.ellipsis,
  -                        ),
  -                        margin: new EdgeInsets.only(top: 6.0, bottom: 2.0),
  -                        alignment: Alignment.topLeft),
  +                    renderDes(),
   
                       ///创建状态
  -                    new Container(
  -                      margin: new EdgeInsets.only(
  -                          top: 6.0, bottom: 2.0, right: 5.0),
  -                      alignment: Alignment.topRight,
  -                      child: new RawMaterialButton(
  -                        onPressed: () {
  -                          if (widget.reposHeaderViewModel.repositoryIsFork) {
  -                            NavigatorUtils.goReposDetail(
  -                                context,
  -                                widget
  -                                    .reposHeaderViewModel.repositoryParentUser,
  -                                widget.reposHeaderViewModel.repositoryName);
  -                          }
  -                        },
  -                        materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
  -                        padding: const EdgeInsets.all(0.0),
  -                        constraints:
  -                            const BoxConstraints(minWidth: 0.0, minHeight: 0.0),
  -                        child: new Text(_getInfoText(context),
  -                            style: widget.reposHeaderViewModel.repositoryIsFork
  -                                ? GSYConstant.smallActionLightText.copyWith(
  -                                    shadows: [
  -                                        BoxShadow(
  -                                            color: Colors.grey,
  -                                            offset: Offset(0.5, 0.5))
  -                                      ])
  -                                : GSYConstant.smallSubLightText.copyWith(
  -                                    shadows: [
  -                                        BoxShadow(
  -                                            color: Colors.grey,
  -                                            offset: Offset(0.5, 0.5))
  -                                      ])),
  -                      ),
  -                    ),
  +                    renderRepoStatus(),
                       new Divider(
                         color: GSYColors.subTextColor,
                       ),
  -                    new Padding(
  -                        padding: new EdgeInsets.all(0.0),
  -
  -                        ///创建数值状态
  -                        child: new Row(
  -                          crossAxisAlignment: CrossAxisAlignment.center,
  -                          mainAxisAlignment: MainAxisAlignment.center,
  -                          children: <Widget>[
  -                            ///star状态
  -                            _getBottomItem(
  -                              GSYICons.REPOS_ITEM_STAR,
  -                              widget.reposHeaderViewModel.repositoryStar,
  -                              () {
  -                                NavigatorUtils.gotoCommonList(
  -                                    context,
  -                                    widget.reposHeaderViewModel.repositoryName,
  -                                    "user",
  -                                    "repo_star",
  -                                    userName:
  -                                        widget.reposHeaderViewModel.ownerName,
  -                                    reposName: widget
  -                                        .reposHeaderViewModel.repositoryName);
  -                              },
  -                            ),
  -
  -                            new Container(
  -                              width: 0.3,
  -                              height: 25.0,
  -                              decoration: BoxDecoration(
  -                                  color: GSYColors.subLightTextColor,
  -                                  boxShadow: [
  -                                    BoxShadow(
  -                                        color: Colors.grey,
  -                                        offset: Offset(0.5, 0.5))
  -                                  ]),
  -                            ),
  -
  -                            ///fork状态
  -                            _getBottomItem(
  -                              GSYICons.REPOS_ITEM_FORK,
  -                              widget.reposHeaderViewModel.repositoryFork,
  -                              () {
  -                                NavigatorUtils.gotoCommonList(
  -                                    context,
  -                                    widget.reposHeaderViewModel.repositoryName,
  -                                    "repository",
  -                                    "repo_fork",
  -                                    userName:
  -                                        widget.reposHeaderViewModel.ownerName,
  -                                    reposName: widget
  -                                        .reposHeaderViewModel.repositoryName);
  -                              },
  -                            ),
  -
  -                            new Container(
  -                              width: 0.3,
  -                              height: 25.0,
  -                              decoration: BoxDecoration(
  -                                  color: GSYColors.subLightTextColor,
  -                                  boxShadow: [
  -                                    BoxShadow(
  -                                        color: Colors.grey,
  -                                        offset: Offset(0.5, 0.5))
  -                                  ]),
  -                            ),
  -
  -                            ///订阅状态
  -                            _getBottomItem(
  -                              GSYICons.REPOS_ITEM_WATCH,
  -                              widget.reposHeaderViewModel.repositoryWatch,
  -                              () {
  -                                NavigatorUtils.gotoCommonList(
  -                                    context,
  -                                    widget.reposHeaderViewModel.repositoryName,
  -                                    "user",
  -                                    "repo_watcher",
  -                                    userName:
  -                                        widget.reposHeaderViewModel.ownerName,
  -                                    reposName: widget
  -                                        .reposHeaderViewModel.repositoryName);
  -                              },
  -                            ),
  -
  -                            new Container(
  -                              width: 0.3,
  -                              height: 25.0,
  -                              decoration: BoxDecoration(
  -                                  color: GSYColors.subLightTextColor,
  -                                  boxShadow: [
  -                                    BoxShadow(
  -                                        color: Colors.grey,
  -                                        offset: Offset(0.5, 0.5))
  -                                  ]),
  -                            ),
  -
  -                            ///issue状态
  -                            _getBottomItem(
  -                              GSYICons.REPOS_ITEM_ISSUE,
  -                              widget.reposHeaderViewModel.repositoryIssue,
  -                              () {
  -                                if (widget.reposHeaderViewModel.allIssueCount ==
  -                                        null ||
  -                                    widget.reposHeaderViewModel.allIssueCount <=
  -                                        0) {
  -                                  return;
  -                                }
  -                                List<String> list = [
  -                                  GSYLocalizations.i18n(context)
  -                                          .repos_all_issue_count +
  -                                      widget.reposHeaderViewModel.allIssueCount
  -                                          .toString(),
  -                                  GSYLocalizations.i18n(context)
  -                                          .repos_open_issue_count +
  -                                      widget
  -                                          .reposHeaderViewModel.openIssuesCount
  -                                          .toString(),
  -                                  GSYLocalizations.i18n(context)
  -                                          .repos_close_issue_count +
  -                                      (widget.reposHeaderViewModel
  -                                                  .allIssueCount -
  -                                              widget.reposHeaderViewModel
  -                                                  .openIssuesCount)
  -                                          .toString(),
  -                                ];
  -                                CommonUtils.showCommitOptionDialog(
  -                                    context, list, (index) {},
  -                                    height: 150.0);
  -                              },
  -                            ),
  -                          ],
  -                        )),
  +
  +                    ///底部信息
  +                    renderBottomInfo(),
  +
  +                    ///底部tag
                       _renderTopicGroup(context),
                     ],
                   ),
  
positive.code:               ?.call(Size(layoutKey.currentContext.size.width, widgetHeight));
          }
        }
  
  
      });
    }
  
  
negative.code: import 'dart:ui';
  
  import 'package:flutter/material.dart';
  import 'package:gsy_github_app_flutter/common/localization/default_localizations.dart';
  import 'package:gsy_github_app_flutter/common/style/gsy_style.dart';
  import 'package:gsy_github_app_flutter/common/utils/common_utils.dart';
  