update

src/components/learnSysLayout/sidebar.vue

@@ -4,7 +4,7 @@
       <el-menu-item index="0" class="my-account">
         <div class="pic" @click="goUpdatePic">
           <div class="set-pic">{{ $t('components.learnSysLayout.sideBar.updatePic') }}</div>
-          <template v-if="!UserInfo.avatar">
+          <template v-if="UserInfo.avatar">
             <img :src="UserInfo.avatar" :alt="$t('components.learnSysLayout.sideBar.updateAvatar')" />
           </template>
           <template v-else>