😍 !534 修复查询栏下拉框清除内容后查询报错

Web/src/views/system/notice/index.vue

@@ -6,7 +6,7 @@
 					<el-input placeholder="标题" clearable @keyup.enter="handleQuery" v-model="queryParams.title" />
 				</el-form-item>
 				<el-form-item label="类型" prop="type">
-					<el-select v-model="queryParams.type" placeholder="类型" clearable  @clear="() => { queryParams.type=undefined }" style="width: 100%">
+					<el-select v-model="queryParams.type" placeholder="类型" style="width: 100%">
 						<el-option label="通知" :value="1" />
 						<el-option label="公告" :value="2" />
 					</el-select>