auto commit

src/views/Home.vue

@@ -2,7 +2,7 @@
   <div class="home">
     <van-search
       v-model="param.className"
-      placeholder="请输入搜索关键词"
+      placeholder="搜索班级"
       background="#3D5D4C"
       @search="onSearch"
       @cancel="onCancelSearch"