样式修改

 <template>
 <template>
-    <el-row class="container darkmenu">
+    <el-row class="container darkmenu" style="margin-top: 0px;">
         <el-col :span="24" class="header">
         <el-col :span="24" class="header">
             <el-col :span="10" class="logo" :class="collapsed?'logo-collapse-width':'logo-width'">
             <el-col :span="10" class="logo" :class="collapsed?'logo-collapse-width':'logo-width'">
                 {{collapsed?'':sysName}}
                 {{collapsed?'':sysName}}