我认为这是一个出口问题。试图弄清楚如何重现这个问题——有人经历过吗？也欢迎解决方案。将尝试从Illustrator重新导出。
这里有一些麻烦的SVG(材料图标(：
<?xml version="1.0" encoding="UTF-8"?>
<svg width="18px" height="19px" viewBox="0 0 18 19" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs></defs>
<g id="R02" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" font-family="material" font-size="24" font-weight="normal">
<g id="Live-Event-03---Account-Menu" transform="translate(-1160.000000, -158.000000)" fill="#98A4AE">
<g id="menu" transform="translate(1124.000000, 56.000000)">
<g id="item" transform="translate(33.000000, 100.000000)">
<text id="exit_to_app---material">
<tspan x="0" y="20"></tspan>
</text>
</g>
</g>
</g>
</g>
<?xml version="1.0" encoding="UTF-8"?>
<svg width="27px" height="23px" viewBox="0 0 27 23" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<!-- Generator: Sketch 50.2 (55047) - http://www.bohemiancoding.com/sketch -->
<title>send - material</title>
<desc>Created with Sketch.</desc>
<defs></defs>
<g id="R02" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" font-family="material" font-size="30" font-weight="normal">
<g id="Modal-05---Share" transform="translate(-477.000000, -395.000000)" fill="#98A4AE">
<g id="modal" transform="translate(435.000000, 376.000000)">
<g id="header">
<text id="send---material">
<tspan x="40" y="41"></tspan>
</text>
</g>
</g>
</g>
</g>
以下是正确查看的SVG(自定义(：
<?xml version="1.0" encoding="UTF-8"?>
<svg width="56px" height="56px" viewBox="0 0 56 56" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="icon/account-white" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
<path d="M28,45.256 C30.8373475,45.256 33.5066542,44.5466738 36.008,43.128 C38.4346788,41.8213268 40.4319922,40.0106782 42,37.696 C41.9626665,36.2773262 41.0853419,34.9706726 39.368,33.776 C37.8746592,32.767995 35.9706782,31.9466698 33.656,31.312 C31.5653229,30.7519972 29.6706752,30.472 27.972,30.472 C26.2733248,30.472 24.3786771,30.7519972 22.288,31.312 C19.9733218,31.9466698 18.0880073,32.767995 16.632,33.776 C14.9146581,34.9706726 14.0373335,36.2773262 14,37.696 C15.5680078,40.0106782 17.5653212,41.8213268 19.992,43.128 C22.5306794,44.5466738 25.199986,45.256 28,45.256 Z M28,12.104 C26.7679938,12.104 25.6106721,12.4213302 24.528,13.056 C23.4453279,13.6906698 22.5866698,14.5493279 21.952,15.632 C21.3173302,16.7146721 21,17.8719938 21,19.104 C21,20.3360062 21.3173302,21.4933279 21.952,22.576 C22.5866698,23.6586721 23.4453279,24.5173302 24.528,25.152 C25.6106721,25.7866698 26.7679938,26.104 28,26.104 C29.2320062,26.104 30.3893279,25.7866698 31.472,25.152 C32.5546721,24.5173302 33.4133302,23.6586721 34.048,22.576 C34.6826698,21.4933279 35,20.3360062 35,19.104 C35,17.8719938 34.6826698,16.7146721 34.048,15.632 C33.4133302,14.5493279 32.5546721,13.6906698 31.472,13.056 C30.3893279,12.4213302 29.2320062,12.104 28,12.104 Z M28,5.104 C32.2560213,5.104 36.1946486,6.16798936 39.816,8.296 C43.3253509,10.3120101 46.0879899,13.0746491 48.104,16.584 C50.2320106,20.2053514 51.296,24.1439787 51.296,28.4 C51.296,32.6560213 50.2320106,36.5946486 48.104,40.216 C46.0879899,43.7253509 43.3253509,46.4879899 39.816,48.504 C36.1946486,50.6320106 32.2560213,51.696 28,51.696 C23.7439787,51.696 19.8053514,50.6320106 16.184,48.504 C12.6746491,46.4506564 9.91201008,43.6693509 7.896,40.16 C5.76798936,36.5386486 4.704,32.6186878 4.704,28.4 C4.704,24.1813122 5.76798936,20.2613514 7.896,16.64 C9.9493436,13.1306491 12.7306491,10.3493436 16.24,8.296 C19.8613514,6.16798936 23.7813122,5.104 28,5.104 Z" id="account_circle---material" fill="#FFFFFF"></path>
</g>
svg有很多来回转换，我删除了这些转换。此外，我本可以消除一些嵌套的<g>元素，但也许您出于某种原因将它们放在那里。此外，在CSS中，我为SVG添加了一个边框，这样您就可以看到图标和SVG画布的边框之间有一个空白。如果是我，我会消除这个空间，但再说一遍：你可能需要它。我希望这能有所帮助。
svg{border:1px solid}<svg width="18px" height="19px" viewBox="0 2 18 19" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs></defs>
<g id="R02" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" font-family="material" font-size="24" font-weight="normal">
<g id="Live-Event-03---Account-Menu" fill="#98A4AE">
<g id="menu">
<g id="item">
<text id="exit_to_app---material">
<tspan y="20"></tspan>
</text>
</g>
</g>
</g>
</g>
</svg>
<svg width="27px" height="23px" viewBox="0 20 27 23" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<!-- Generator: Sketch 50.2 (55047) - http://www.bohemiancoding.com/sketch -->
<title>send - material</title>
<desc>Created with Sketch.</desc>
<defs></defs>
<g id="R02" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" font-family="material" font-size="30" font-weight="normal">
<g id="Modal-05---Share" fill="#98A4AE">
<g id="modal" >
<g id="header">
<text id="send---material">
<tspan y="41"></tspan>
</text>
</g>
</g>
</g>
</g>
</svg>
<svg width="56px" height="56px" viewBox="0 0 56 56" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="icon" stroke="black" stroke-width="1" fill="none" fill-rule="evenodd">
<path d="M28,45.256 C30.8373475,45.256 33.5066542,44.5466738 36.008,43.128 C38.4346788,41.8213268 40.4319922,40.0106782 42,37.696 C41.9626665,36.2773262 41.0853419,34.9706726 39.368,33.776 C37.8746592,32.767995 35.9706782,31.9466698 33.656,31.312 C31.5653229,30.7519972 29.6706752,30.472 27.972,30.472 C26.2733248,30.472 24.3786771,30.7519972 22.288,31.312 C19.9733218,31.9466698 18.0880073,32.767995 16.632,33.776 C14.9146581,34.9706726 14.0373335,36.2773262 14,37.696 C15.5680078,40.0106782 17.5653212,41.8213268 19.992,43.128 C22.5306794,44.5466738 25.199986,45.256 28,45.256 Z M28,12.104 C26.7679938,12.104 25.6106721,12.4213302 24.528,13.056 C23.4453279,13.6906698 22.5866698,14.5493279 21.952,15.632 C21.3173302,16.7146721 21,17.8719938 21,19.104 C21,20.3360062 21.3173302,21.4933279 21.952,22.576 C22.5866698,23.6586721 23.4453279,24.5173302 24.528,25.152 C25.6106721,25.7866698 26.7679938,26.104 28,26.104 C29.2320062,26.104 30.3893279,25.7866698 31.472,25.152 C32.5546721,24.5173302 33.4133302,23.6586721 34.048,22.576 C34.6826698,21.4933279 35,20.3360062 35,19.104 C35,17.8719938 34.6826698,16.7146721 34.048,15.632 C33.4133302,14.5493279 32.5546721,13.6906698 31.472,13.056 C30.3893279,12.4213302 29.2320062,12.104 28,12.104 Z M28,5.104 C32.2560213,5.104 36.1946486,6.16798936 39.816,8.296 C43.3253509,10.3120101 46.0879899,13.0746491 48.104,16.584 C50.2320106,20.2053514 51.296,24.1439787 51.296,28.4 C51.296,32.6560213 50.2320106,36.5946486 48.104,40.216 C46.0879899,43.7253509 43.3253509,46.4879899 39.816,48.504 C36.1946486,50.6320106 32.2560213,51.696 28,51.696 C23.7439787,51.696 19.8053514,50.6320106 16.184,48.504 C12.6746491,46.4506564 9.91201008,43.6693509 7.896,40.16 C5.76798936,36.5386486 4.704,32.6186878 4.704,28.4 C4.704,24.1813122 5.76798936,20.2613514 7.896,16.64 C9.9493436,13.1306491 12.7306491,10.3493436 16.24,8.296 C19.8613514,6.16798936 23.7813122,5.104 28,5.104 Z" id="account_circle---material" fill="#FFFFFF"></path>
</g>
</svg>最终，我们通过Illustrator导出解决了这个问题。以下是新导出的SVG代码的外观：
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 56 56"><defs><style>.a{fill:#98a4ae;}</style></defs><title>sign-out-gray</title><path class="a" d="M44.2964,7a4.5218,4.5218,0,0,1,3.3027,1.4A4.52,4.52,0,0,1,49,11.7036V44.2964a4.7835,4.7835,0,0,1-4.7031,4.7041H11.7041a4.4923,4.4923,0,0,1-3.332-1.4A4.5585,4.5585,0,0,1,7,44.2964V35h4.7041v9.2969H44.2964V11.7036H11.7041V21H7V11.7036A4.5629,4.5629,0,0,1,8.3721,8.3994,4.4919,4.4919,0,0,1,11.7041,7ZM23.52,36.4l5.9922-6.1045H7V25.7036H29.5122L23.52,19.6l3.3042-3.3042L38.5278,28,26.8242,39.7036Z"/></svg>