Element and simple head navigation bar problems?

Click the home page, jump to the home page
Click the management navigation, display the corresponding management message column, click the column to display the management list

< template >
< el-container direction= "horizontal" >

<el-aside width="200px">
  <h1 class="logo"></h1>
  <el-menu ref="navmenu" mode="vertical" class="navmenu" @select="onSelectMenu" default-active="M0">

    <template v-for="(item,index) in activeModule" @click.native="railing">
      <el-menu-item v-if="item.type=="TAB"" :index=""TAB,"+index"  >
        <i :class="item.icon"></i> {{item.key_name}}
      </el-menu-item>
      <el-submenu v-else :index=""M"+index">
        <template slot="title">
          <i :class="item.icon"></i>
          <span>{{item.key_name}}</span>
        </template>
        <template v-for="(feature, findex) in item.items">
          <el-menu-item :index="index+","+findex">
            {{feature.key_name}}
          </el-menu-item>
        </template>
      </el-submenu>
    </template>
  </el-menu>
</el-aside>
<el-container direction="vertical">
  <el-header>
    <el-row>
      <el-col :span="15">
        <div>
          <ul class="usermenu-list">
            <li v-for="(item,index) in items" @click="addClass(index)" >
              <p v-bind:class="{ blue:index==current}">
                <i :class="item.icon"></i>
                {{item.key_name}}
              

</li> </ul> </div> </el-col> <el-col :span="9"> <el-menu class="usermenu" mode="horizontal" @select="onTopSelect" background-color="-sharp02ABFF" text-color="white" active-text-color="white"> <el-menu-item index="desktop"></el-menu-item> <el-submenu index="module"> <template slot="title"></template> <el-menu-item v-for="(module, index) in navmenu" :index="module.code">{{module.key_name}}</el-menu-item> </el-submenu> <el-submenu index="user"> <template slot="title">{{user.key_name}}</template> <el-menu-item index="password"></el-menu-item> <el-menu-item index="logout"></el-menu-item> </el-submenu> </el-menu> </el-col> </el-row> </el-header> <el-main class="router"><router-view /></el-main> </el-container>

< / el-container >
< / template >

Mar.24,2021

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3757d-2b803.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3757d-2b803.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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