修改产值

src/views/materials/materialsEquipment/materialReceive/index.vue

@@ -485,13 +485,15 @@ const addItem = () => {
 // 监听条目数据变化，自动计算缺件数量
 const watchItemChanges = (index: number) => {
   watch(
-    () => [form.value.itemList[index].quantity, form.value.itemList[index].acceptedQuantity],
+    () => [form.value.itemList[index]?.quantity, form.value.itemList[index]?.acceptedQuantity],
     ([quantity, acceptedQuantity]) => {
       // 确保数量和验收数量都是数字
       const qty = Number(quantity) || 0;
       const acceptedQty = Number(acceptedQuantity) || 0;
       // 计算缺件数量（数量 - 验收数量）
-      form.value.itemList[index].shortageQuantity = qty - acceptedQty;
+      if (form.value.itemList[index]) {
+        form.value.itemList[index].shortageQuantity = qty - acceptedQty;
+      }
     },
     { immediate: true }
   );