修改盘点计划bug

src/views/inventorys/stocktaking.vue

@@ -998,11 +998,15 @@ 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_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);
+                if (item.material_infos_plan_link && item.material_infos_plan_link.length > 0) {
+                  // 遍历物资绑定的所有盘点计划
+                  const hasMatchingPlan = item.material_infos_plan_link.some(link => 
+                    link.material_infos_plan_id === planId
+                  );
+                  if (hasMatchingPlan) {
+                    console.log('item.id', item.id);
+                    this.materialModal.selectedMaterialIds.add(item.id);
+                  }
                 }
               });
             }