Flutter 背景剧中显示,两层背景文字剧中显示

Container(
                        margin: EdgeInsets.symmetric(horizontal: 30),
                        decoration: BoxDecoration(
                          image: DecorationImage(
                            image: ImageUtil.getAssetImage('mall/mall_bg_timebg@3x',),
                            fit: BoxFit.fill,
                          ),
                        ),
                        child: Container(
                          height: 65,
                          padding: EdgeInsets.symmetric(vertical: 9),
                          child: Column(
                            children: <Widget>[
                               Container(
                                child: Text(
                                  '${widget.entity.name}',
                                  style: TextStyle(
                                    color: Color(0XFF2B95E9),
                                    fontSize: 14.0,
                                    fontWeight: FontWeight.bold,
                                  ),
                                  // overflow: TextOverflow.ellipsis,
                                ),
                              ),
                              Row(
                                crossAxisAlignment: CrossAxisAlignment.center,
                                mainAxisAlignment: MainAxisAlignment.center,
                                children: <Widget>[
                                  SizedBox(
                                    width: 4.0,
                                  ),
                                  Container(
                                    padding: EdgeInsets.all(2),
                                    margin: EdgeInsets.symmetric(horizontal: 2),
                                    decoration: BoxDecoration(
                                      color: Color(0XFF2B95E9),
                                      borderRadius: BorderRadius.all(Radius.circular(5.0)),
                                    ),
                                    child: Text('$hourString',
                                        style: TextStyle(color: Colors.white, fontSize: 12)),
                                  ),
                                  Text(':',
                                      style:
                                          TextStyle(color: Color(0XFF2B95E9), fontSize: 16)),
                                  Container(
                                    padding: EdgeInsets.all(2),
                                    margin: EdgeInsets.symmetric(horizontal: 2),
                                    decoration: BoxDecoration(
                                      color: Color(0XFF2B95E9),
                                      borderRadius: BorderRadius.all(Radius.circular(5.0)),
                                    ),
                                    child: Text('$minuteString',
                                        style: TextStyle(color: Colors.white, fontSize: 12)),
                                  ),
                                  Text(':',
                                      style:
                                          TextStyle(color: Color(0XFF2B95E9), fontSize: 16)),
                                  Container(
                                    padding: EdgeInsets.all(2),
                                    margin: EdgeInsets.symmetric(horizontal: 2),
                                    decoration: BoxDecoration(
                                      color: Color(0XFF2B95E9),
                                      borderRadius:
                                          new BorderRadius.all(new Radius.circular(5.0)),
                                    ),
                                    child: Text('$secondString',
                                        style: TextStyle(color: Colors.white, fontSize: 12)),
                                  ),
                                ],
                              )
                            ],
                          ),
                          
                        ),
                      );