添加css

public/index.html

@@ -10,6 +10,7 @@
     <!-- 强制查询特定主机名 -->
     <link rel="dns-prefetch" href="<%= process.env.VUE_APP_SERVICE_URL %>">
     <link rel="icon" type="image/x-icon" href="<%= VUE_APP_OSS_URL %>static/img/logo.png">
+    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
     <title>云鹊医-赋能基层医生</title>
     <style>
         ._ {