修改

src/views/inventorys/stocktaking.vue

@@ -988,9 +988,9 @@ export default {
             // 如果是第一次加载，初始化选中状态
             if (this.materialModal.selectedMaterialIds.size === 0) {
               this.materialList.forEach(item => {
-                if (item.material_infos_plan && 
-                    item.material_infos_plan.length > 0 && 
-                    item.material_infos_plan[0].material_infos_plan_id === planId) {
+                if (item.material_infos_plan_link && 
+                    item.material_infos_plan_link.length > 0 && 
+                    item.material_infos_plan_link[0].material_infos_plan_id === planId) {
                   console.log('item.id', item.id)
                   this.materialModal.selectedMaterialIds.add(item.id);
                 }