如下图所示，更新之后最上面的文件夹和文件都不显示图标了，图标是通过下面css代码实现的，大佬们帮我看看如何改
CSS代码
/* 设置文件夹图标 */
.nav-folder-children .nav-folder-title-content::before {
content: '';
background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 1024 1024' class='icon' version='1.1' xmlns='http://www.w3.org/2000/svg' fill='%23000000'%3E%3Cg id='SVGRepo_bgCarrier' stroke-width='0'%3E%3C/g%3E%3Cg id='SVGRepo_tracerCarrier' stroke-linecap='round' stroke-linejoin='round'%3E%3C/g%3E%3Cg id='SVGRepo_iconCarrier'%3E%3Cpath d='M853.333333 256H469.333333l-85.333333-85.333333H170.666667c-46.933333 0-85.333333 38.4-85.333334 85.333333v170.666667h853.333334v-85.333334c0-46.933333-38.4-85.333333-85.333334-85.333333z' fill='%23FFA000'%3E%3C/path%3E%3Cpath d='M853.333333 256H170.666667c-46.933333 0-85.333333 38.4-85.333334 85.333333v426.666667c0 46.933333 38.4 85.333333 85.333334 85.333333h682.666666c46.933333 0 85.333333-38.4 85.333334-85.333333V341.333333c0-46.933333-38.4-85.333333-85.333334-85.333333z' fill='%23FFCA28'%3E%3C/path%3E%3C/g%3E%3C/svg%3E");
background-size: 20px 20px;
transform: translate(0, 4px);
background-repeat: no-repeat;
display: inline-block;
height: 20px;
width: 20px;
margin-right: 4px;
}
/* 设置 文件图标 */
.nav-folder-children .nav-file-title-content:first-child::before {
content: '';
background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg' stroke='%23000000'%3E%3Cg id='SVGRepo_bgCarrier' stroke-width='0'%3E%3C/g%3E%3Cg id='SVGRepo_tracerCarrier' stroke-linecap='round' stroke-linejoin='round'%3E%3C/g%3E%3Cg id='SVGRepo_iconCarrier'%3E%3Cpath d='M8 13H14M8 17H16M13 3H5V5M13 3H14L19 8V9M13 3V7C13 8 14 9 15 9H19M19 9V12M5 10V21H19V16' stroke='%235c5c5c' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3C/path%3E%3C/g%3E%3C/svg%3E");
background-size: 20px 20px;
transform: translate(0, 4px);
background-repeat: no-repeat;
display: inline-block;
height: 20px;
width: 20px;
margin-right: 4px;
}
