修复部分问题

io.sc.platform.core.frontend/src/platform/components/grid/WGrid.vue

@@ -2,7 +2,6 @@
   <div>
     <q-table
       ref="tableRef"
-      v-bind="attrs"
       v-model:pagination="table.pagination"
       v-model:selected="table.selected"
       flat
@@ -11,6 +10,7 @@
       separator="cell"
       :no-data-label="table.noDataLabel"
       :loading-label="table.loadingLabel"
+      v-bind="attrs"
       :rows="table.rows"
       :columns="extractTableColumns"
       :rows-per-page-options="pagination.rowsPerPage && table.refHeightWidth.middleWidth > 600 ? table.pagination.rowsPerPageOptions : []"
@@ -57,10 +57,11 @@
         <template v-if="columnTitleState.columnTitleRowNum > 1">
           <q-tr v-for="(r, rIndex) in columnTitleState.columnTitleArr" :key="rIndex">
             <q-th
-              v-if="rIndex === 0 && (!attrs.selection || attrs.selection !== 'none')"
+              v-if="rIndex === 0 && (!attrs.selection || attrs.selection === 'multiple')"
               :rowspan="columnTitleState.columnTitleRowNum"
               :style="moreColumnTitleTableSelectionStyle"
             >
+              <q-checkbox v-model="scope.selected" flat />
             </q-th>
             <q-th v-if="rIndex === 0 && props.sortNo" :rowspan="columnTitleState.columnTitleRowNum" :style="moreColumnTitleTableSortNoStyle"> 序号 </q-th>
             <q-th