字体图标在ie8下，无法显示

asp.net web.config add node
<staticContent>
<mimeMap fileExtension=".svg" mimeType="image/svg+xml" />
<mimeMap fileExtension=".woff" mimeType="application/x-font-woff" />
<mimeMap fileExtension=".woff2" mimeType="application/x-font-woff" />
</staticContent>