允许市场看板筛选可以清除课长

src/views/AppMarketBoardFilter.vue

@@ -37,7 +37,7 @@ export default {
 <template>
   <el-form class="AppMarketBoardFilter flex" size="small" label-width="60px">
     <el-form-item label="课长" class="fill">
-      <el-select v-model="form.groupCodeList" @change="v=>$marketBoard.search.groupCodeList=v?[v]:[]" placeholder="全部">
+      <el-select v-model="form.groupCodeList" @change="v=>$marketBoard.search.groupCodeList=v?[v]:[]" placeholder="全部" clearable>
         <el-option v-for="item in options" :key="item.value" :label="item.label" :value="item.value"/>
       </el-select>
     </el-form-item>