update 修改列表搜索面板组件类型

src/views/demo/demo/index.vue

@@ -28,7 +28,7 @@
       </div>
     </transition>
 
-    <el-card shadow="never">
+    <el-card shadow="hover">
       <template #header>
         <el-row :gutter="10" class="mb8">
           <el-col :span="1.5">

src/views/demo/tree/index.vue

@@ -16,7 +16,7 @@
       </div>
     </transition>
 
-    <el-card shadow="never">
+    <el-card shadow="hover">
       <template #header>
         <el-row :gutter="10" class="mb8">
           <el-col :span="1.5">