添加图片标题

src/components/Header/index.vue

@@ -20,7 +20,7 @@
       </div>
       <div class="logoBox" v-else>
         <template v-if="userInfo?.logo_url">
-          <img v-if="userInfo?.logo_url" :src="userInfo.logo_url" />
+          <img v-if="userInfo?.logo_url" :src="userInfo.logo_url" :alt="userInfo.school_name"/>
           <div class="schoolName">{{ userInfo.school_name }}</div>
         </template>
         <template v-else>