app.vue文件中
/*底部導航欄圖大小*/
uni-tabbar .uni-tabbar__icon {
width: 18px !important;
height: 18px !important;
}
uni-tabbar .uni-tabbar__item:nth-child(4) .uni-tabbar__icon {
margin-top: 5upx;
width: 30px !important;
height: 30px !important;
}