.custom-file-control::after {
    content: '浏览...';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    display: block;
    color: #666;
    border: 0 solid #d6d9d9;
    border-left-width: 1px;
    border-top-right-radius: 1px;
    border-bottom-right-radius: 1px;
    background-color: #e8e8e8;
    padding: 4px 12px;
    line-height: 1.8;
}