【采购订单】复选框上下错位问题

mes-ui/mes-ui-admin-vue3/src/views/heli/purchaseorder/index.vue

@@ -64,8 +64,8 @@
     <ContentWrap>
       <el-table v-loading="loading" :data="list" :stripe="true" :show-overflow-tooltip="true" class="hl-table"
         @selection-change="handleSelectionChange" @row-click="clickRow" selection>
-        <el-table-column type="selection" align="center" fixed width="70" />
-        <el-table-column fixed label="序号" type="index" width="60" />
+        <el-table-column type="selection"  fixed width="60" />
+        <el-table-column fixed label="序号" type="index" align="center" width="60" />
         <el-table-column label="采购单号" align="center" prop="purchaseNo" fixed min-width="190">
           <template #default="scope">
             <el-button link type="primary" @click="openForm('detail', scope.row.id)">