.van-button.van-button--info{
  border-radius: 6px;
  line-height: inherit;
}
.tab-bar-common .van-tabbar-item .van-tabbar-item__icon .van-icon.van-icon-nav-person{
  background-image: url(../img/nav/icon_cap.png);
}
.tab-bar-common .van-tabbar-item.van-tabbar-item--active .van-tabbar-item__icon .van-icon.van-icon-nav-person{
  background-image: url(../img/nav/icon_cap_on.png);
}