fix: 修复更新数据可能有skudata不存在报错

src/store/modules/carts.ts

@@ -341,7 +341,8 @@ export const useCartsStore = defineStore("carts", () => {
     sendMessage('edit', { ...data, pack_number });
   }
   function updateTag(key: string, val: any, cart: CartsState = selCart.value) {
-    if (cart.number * 1 < cart.skuData.suitNum * 1) {
+    const skuData = cart.skuData || { suitNum: 1 }
+    if (cart.number * 1 < skuData.suitNum * 1) {
       return sendMessage('del', cart);
     }
     console.log(key, val)
@@ -578,32 +579,28 @@ export const useCartsStore = defineStore("carts", () => {
         const giftIndex = giftList.value.findIndex((item) => item.id === newCart.id)
         const cartItem = list.value[index] || { is_gift: false };
         const giftItem = giftList.value[giftIndex];
-        if (isSelGift.value) {
+
+        if (giftItem) {
           //操作赠菜
-          if (newCart.is_gift != giftItem.is_gift) {
-            //修改了赠菜状态
+          if (!newCart.is_gift) {
             giftList.value.splice(giftIndex, 1)
             list.value.push({ ...giftItem, ...newCart })
             selListIndex.value = -1
           } else {
             giftList.value[giftIndex] = { ...giftItem, ...newCart }
           }
-          ElMessage.success(msg.message || '修改成功')
-          return
         }
-        if (!isSelGift.value) {
+        if (cartItem) {
           //操作非赠菜
-          if (newCart.is_gift != cartItem.is_gift) {
+          if (newCart.is_gift) {
             list.value.splice(index, 1)
             giftList.value.push({ ...cartItem, ...newCart })
             selListIndex.value = -1
           } else {
             list.value[index] = { ...cartItem, ...newCart }
           }
-          ElMessage.success(msg.message || '修改成功')
-          return
         }
-
+        ElMessage.success(msg.message || '修改成功')
       }
       if (msg.operate_type === "manage_del") {
         const cartId = Array.isArray(msg.data) ? msg.data[0].id : msg.data.id