diff --git a/src/pages/fulfillment/OrderFulfillmentCreate.vue b/src/pages/fulfillment/OrderFulfillmentCreate.vue
index 4be68a4..7e7cd9f 100644
--- a/src/pages/fulfillment/OrderFulfillmentCreate.vue
+++ b/src/pages/fulfillment/OrderFulfillmentCreate.vue
@@ -48,22 +48,29 @@
 							</div>
 						</div>
 						<div class="input">
+							<t-button
+								size="extra-small"
+								variant="outline"
+								:content="getFulfillmentUnit(item)?.name || '选择实际单位'"
+								@click.stop="openUnitPicker(item)"
+							/>
 							<t-input
 								v-model.trim="quantityMap[item.id || '']"
 								class="quantity"
 								type="number"
 								borderless
 								align="right"
+								:disabled="!getFulfillmentUnit(item)"
 								placeholder="请输入履约数量"
 							>
 								<template #suffix-icon>
-									<span class="unit" v-text="item.unitSnapshot" />
+									<span class="unit" v-text="getFulfillmentUnit(item)?.name || ''" />
 								</template>
 							</t-input>
 							<t-button
 								size="extra-small"
 								variant="outline"
-								:disabled="getAvailableQuantity(item) === '0'"
+								:disabled="getAvailableBaseQuantity(item) === '0'"
 								@click.stop="fillAllQuantity(item)"
 							>全部履约</t-button>
 						</div>
@@ -100,24 +107,29 @@
 		<t-popup v-model="pickerVisible" placement="bottom">
 			<t-date-time-picker v-model="draftTime" format="YYYY-MM-DD HH:mm" :mode="['date', 'minute']" title="履约时间" @cancel="pickerVisible = false" @confirm="confirmTime" />
 		</t-popup>
+		<t-popup v-model="unitPickerVisible" placement="bottom">
+			<t-picker v-model="unitPickerDraft" :columns="unitPickerOptions" title="选择实际履约单位" @cancel="unitPickerVisible = false" @confirm="confirmUnitPicker" />
+		</t-popup>
 	</div>
 </template>
 
 <script setup lang="ts">
 import SalesOrderAPI from "@/api/SalesOrderAPI";
 import FulfillmentAPI from "@/api/FulfillmentAPI";
+import ProductAPI from "@/api/ProductAPI";
 import PhotoScroller from "@/components/PhotoScroller.vue";
 import ProductSkuSnapshotTags from "@/components/ProductSkuSnapshotTags.vue";
 import { useNavBarStore } from "@/store/navBarStore";
 import { useUserStore } from "timi-web-api";
 import type { GaoOrderFulfillmentItemRequest } from "@/types/Fulfillment";
 import type { GaoSalesOrderItem, SalesOrder } from "@/types/SalesOrder";
+import type { ProductSku, ProductSkuUnit } from "@/types/Product";
 import type { PhotoItem } from "@/types/Photo";
 import type { Attachment } from "timi-web-api";
-import { comparePackageQuantity, createPackageRequestNo, getPackageQuantityText, normalizePackageQuantity } from "@/utils/package";
+import { comparePackageQuantity, convertPackageQuantity, createPackageRequestNo, getPackageQuantityText, normalizePackageQuantity, toPackageBaseQuantity } from "@/utils/package";
 import { getErrorMessage } from "@/utils/error";
 import { Message } from "@/utils/message";
-import { permissionCodes } from "@/utils/permission";
+import { gaoRoleCodes, permissionCodes } from "@/utils/permission";
 import { uploadPhotoList } from "@/utils/photo";
 import { getProductPhotoURL } from "@/utils/product";
 
@@ -128,6 +140,8 @@ const navBarStore = useNavBarStore();
 const userStore = useUserStore();
 const order = ref<SalesOrder>();
 const quantityMap = reactive<Record<string, string>>({});
+const fulfillmentSkuMap = reactive<Record<string, ProductSku>>({});
+const fulfillmentUnitMap = reactive<Record<string, string>>({});
 const deliveredAtText = ref("");
 const draftTime = ref("");
 const pickerVisible = ref(false);
@@ -135,12 +149,19 @@ const remark = ref("");
 const requestNo = ref("");
 const isSaving = ref(false);
 const photoItems = ref<PhotoItem[]>([]);
+const unitPickerVisible = ref(false);
+const unitPickerSourceItemId = ref("");
+const unitPickerDraft = ref<Array<string | number>>([]);
 const photoUrlList = computed(() => photoItems.value.map(item => item.url));
 const isPackage = computed(() => order.value?.orderType === "PACKAGE");
 const expectedItemType = computed(() => isPackage.value ? "PACKAGE_ENTITLEMENT" : "DIRECT_PRODUCT");
-const sourceItems = computed<GaoSalesOrderItem[]>(() => (order.value?.itemList || []).filter(item => item.itemType === expectedItemType.value));
-const canOperateStock = computed(() => userStore.hasPermissions(permissionCodes.productStock.create));
-const canFulfillByPayment = computed(() => order.value?.paymentStatus === "PAID" || (order.value?.paymentStatus === "PARTIALLY_PAID" && canOperateStock.value));
+const sourceItems = computed<GaoSalesOrderItem[]>(() => (order.value?.itemList || []).filter(item => item.itemType === expectedItemType.value
+	&& 0 < comparePackageQuantity(item.availableBaseQuantity ?? "0", "0")));
+const unitPickerOptions = computed(() => {
+	const item = sourceItems.value.find(value => value.id === unitPickerSourceItemId.value);
+	return item ? getSellableUnitList(item).map(unit => ({ label: unit.name, value: unit.id || "" })) : [];
+});
+const canFulfillByPayment = computed(() => order.value?.paymentStatus === "PAID" || userStore.hasRoles(gaoRoleCodes.storeManager));
 
 async function loadData(): Promise<void> {
 	const salesOrderId = String(route.query.salesOrderId || "");
@@ -151,23 +172,86 @@ async function loadData(): Promise<void> {
 	}
 	try {
 		order.value = await SalesOrderAPI.detail(salesOrderId);
+		await loadFulfillmentSkuList();
 	} catch (error) {
 		Message.error(getErrorMessage(error, "履约来源加载失败"));
 	}
 }
 
-function getAvailableQuantity(item: GaoSalesOrderItem): string {
-	return getPackageQuantityText(item.availableQuantity);
+async function loadFulfillmentSkuList(): Promise<void> {
+	const skuIdList = [...new Set(sourceItems.value.map(item => item.skuId).filter((skuId): skuId is string => !!skuId))];
+	await Promise.all(skuIdList.map(async skuId => {
+		try {
+			fulfillmentSkuMap[skuId] = await ProductAPI.skuDetail(skuId);
+		} catch {
+			// 提交时仍由后端校验实际履约单位，单个 SKU 加载失败不影响其他明细
+		}
+	}));
+	for (const item of sourceItems.value) {
+		if (!item.id || fulfillmentUnitMap[item.id]) {
+			continue;
+		}
+		const originalUnit = getSellableUnitList(item).find(unit => unit.id === item.skuUnitId);
+		const defaultUnit = originalUnit || getSellableUnitList(item)[0];
+		if (defaultUnit?.id) {
+			fulfillmentUnitMap[item.id] = defaultUnit.id;
+		}
+	}
+}
+
+function getAvailableBaseQuantity(item: GaoSalesOrderItem): string {
+	return getPackageQuantityText(item.availableBaseQuantity);
 }
 
 function getItemDescription(item: GaoSalesOrderItem): string {
-	return `剩余 ${getAvailableQuantity(item)}`;
+	return `可履约 ${getAvailableBaseQuantity(item)} ${getBaseUnitName(item)}`;
+}
+
+function getBaseUnitName(item: GaoSalesOrderItem): string {
+	return item.skuId ? fulfillmentSkuMap[item.skuId]?.unitList?.find(unit => unit.isBase)?.name || "基础单位" : "基础单位";
 }
 
 function fillAllQuantity(item: GaoSalesOrderItem): void {
-	if (item.id) {
-		quantityMap[item.id] = getAvailableQuantity(item);
+	const unit = getFulfillmentUnit(item);
+	if (!item.id || !unit) {
+		Message.warning("请先选择实际履约单位");
+		return;
 	}
+	const quantity = convertPackageQuantity(getAvailableBaseQuantity(item), "1", unit.baseQuantityPerUnit);
+	if (!quantity) {
+		Message.warning("当前单位不能精确履约全部剩余权益，请填写可精确换算的数量");
+		return;
+	}
+	quantityMap[item.id] = quantity;
+}
+
+function getSellableUnitList(item: GaoSalesOrderItem): ProductSkuUnit[] {
+	return (item.skuId ? fulfillmentSkuMap[item.skuId]?.unitList : [])?.filter(unit => unit.allowSale !== false && !!unit.id) || [];
+}
+
+function getFulfillmentUnit(item: GaoSalesOrderItem): ProductSkuUnit | undefined {
+	return getSellableUnitList(item).find(unit => unit.id === fulfillmentUnitMap[item.id || ""]);
+}
+
+function openUnitPicker(item: GaoSalesOrderItem): void {
+	if (!item.id) {
+		return;
+	}
+	if (!getSellableUnitList(item).length) {
+		Message.warning("当前 SKU 没有可用于履约的销售单位");
+		return;
+	}
+	unitPickerSourceItemId.value = item.id;
+	unitPickerDraft.value = [fulfillmentUnitMap[item.id] || getSellableUnitList(item)[0]?.id || ""];
+	unitPickerVisible.value = true;
+}
+
+function confirmUnitPicker(value: Array<string | number>): void {
+	const skuUnitId = String(value[0] || "");
+	if (unitPickerSourceItemId.value && skuUnitId) {
+		fulfillmentUnitMap[unitPickerSourceItemId.value] = skuUnitId;
+	}
+	unitPickerVisible.value = false;
 }
 
 function confirmTime(value: string | number): void {
@@ -212,11 +296,17 @@ function validate(): boolean {
 	}
 	for (const item of selected) {
 		const quantity = normalizePackageQuantity(quantityMap[item.id || ""]);
-		if (!quantity) {
+		const unit = getFulfillmentUnit(item);
+		if (!quantity || !unit) {
 			Message.warning("履约数量必须是正数，最多三位小数");
 			return false;
 		}
-		if (0 < comparePackageQuantity(quantity, item.availableQuantity ?? "0")) {
+		const baseQuantity = toPackageBaseQuantity(quantity, unit.baseQuantityPerUnit);
+		if (!baseQuantity) {
+			Message.warning("履约数量换算基础单位后最多只能保留三位小数");
+			return false;
+		}
+		if (0 < comparePackageQuantity(baseQuantity, item.availableBaseQuantity ?? "0")) {
 			Message.warning(`${item.productNameSnapshot || "产品"} 的可履约数量不足`);
 			return false;
 		}
@@ -231,9 +321,10 @@ async function save(): Promise<void> {
 	try {
 		const itemList: GaoOrderFulfillmentItemRequest[] = sourceItems.value
 			.filter(item => !!item.id && quantityMap[item.id])
-			.map(item => ({
-				sourceOrderItemId: item.id!,
-				quantity: normalizePackageQuantity(quantityMap[item.id || ""])!
+		.map(item => ({
+			sourceOrderItemId: item.id!,
+			skuUnitId: fulfillmentUnitMap[item.id!]!,
+			quantity: normalizePackageQuantity(quantityMap[item.id || ""])!
 			}));
 		const result = await FulfillmentAPI.create({
 			salesOrderId: order.value!.id!,
@@ -333,6 +424,7 @@ onUnmounted(() => navBarStore.clearRight());
 					.input {
 						gap: 1rem;
 						display: flex;
+						margin-top: .5rem;
 
 						.unit {
 							font-size: .875rem;
diff --git a/src/pages/fulfillment/OrderFulfillmentDetail.vue b/src/pages/fulfillment/OrderFulfillmentDetail.vue
index e7f7443..f63e8df 100644
--- a/src/pages/fulfillment/OrderFulfillmentDetail.vue
+++ b/src/pages/fulfillment/OrderFulfillmentDetail.vue
@@ -31,7 +31,7 @@
 					v-for="item in fulfillment.itemList || []"
 					:key="item.id"
 					:title="item.productNameSnapshot || '未命名产品'"
-					:note="`待履约 ${item.reservedBefore || 0} → ${item.reservedAfter || 0}`"
+					:note="`待履约（基础单位）${item.reservedBaseBefore || 0} → ${item.reservedBaseAfter || 0}`"
 				>
 					<template #description>
 						<div class="item-description">
diff --git a/src/pages/package/PackagePurchase.vue b/src/pages/package/PackagePurchase.vue
index 26503a5..0d07fd4 100644
--- a/src/pages/package/PackagePurchase.vue
+++ b/src/pages/package/PackagePurchase.vue
@@ -80,7 +80,7 @@
 					<t-form class="items" label-width="2.5rem">
 						<div class="title">
 							<strong>购买权益明细</strong>
-							<span v-if="!canPriceOverride">当前账号无定制权限，明细不可修改</span>
+							<span v-if="!canPriceOverride">当前账号无定制权限，仅可等值转换单位</span>
 						</div>
 						<t-form-item
 							v-for="(item, index) in packagePurchaseItemList"
@@ -102,7 +102,15 @@
 								/>
 							</template>
 							<div class="content">
-								<span class="name" v-text="getItemLabel(item)" />
+								<div class="item-title">
+									<span class="name" v-text="getItemLabel(item)" />
+									<t-button
+										size="extra-small"
+										variant="outline"
+										:content="getItemUnit(item)?.name || '选择单位'"
+										@click="openItemUnitPicker(index)"
+									/>
+								</div>
 								<t-input
 									:model-value="item.totalQuantity"
 									type="number"
@@ -113,9 +121,18 @@
 									@update:model-value="updateItemQuantity(index, $event)"
 								>
 									<template #suffix-icon>
-										<span class="unit" v-text="getItemUnit(item)" />
+									<span class="unit" v-text="getItemUnit(item)?.name || ''" />
 									</template>
 								</t-input>
+								<t-button
+									v-if="canPriceOverride"
+									class="remove"
+									size="extra-small"
+									theme="danger"
+									variant="text"
+									content="移除"
+									@click="removePurchaseItem(index)"
+								/>
 							</div>
 						</t-form-item>
 						<div v-if="!packagePurchaseItemList.length" class="center-tips" v-text="'当前套餐暂无权益明细'" />
@@ -185,6 +202,9 @@
 				<div v-else class="center-tips" v-text="'暂无可购买套餐'" />
 			</div>
 		</t-popup>
+		<t-popup v-model="unitPickerVisible" placement="bottom">
+			<t-picker v-model="unitPickerDraft" :columns="unitPickerOptions" title="调整权益单位" @cancel="unitPickerVisible = false" @confirm="confirmItemUnitPicker" />
+		</t-popup>
 		<t-popup v-model="selectedCustomerListVisible" placement="bottom">
 			<div class="selected-customer-popup bg-white">
 				<div class="popup-header">
@@ -221,6 +241,7 @@ import { Time } from "timi-web";
 import { useUserStore } from "timi-web-api";
 import CustomerAPI from "@/api/CustomerAPI";
 import PackageAPI from "@/api/PackageAPI";
+import ProductAPI from "@/api/ProductAPI";
 import CodeScanner from "@/components/CodeScanner.vue";
 import CustomerList from "@/components/CustomerList.vue";
 import CustomerProfileCard from "@/components/CustomerProfileCard.vue";
@@ -232,8 +253,9 @@ import { useSettingStore } from "@/store/settingStore";
 import type { Customer } from "@/types/Customer";
 import type { PhotoItem } from "@/types/Photo";
 import type { GaoPackageConfig, PackageAttachment, PackagePurchaseItem } from "@/types/Package";
+import type { ProductSku, ProductSkuUnit } from "@/types/Product";
 import { getErrorMessage } from "@/utils/error";
-import { formatPackageAmount } from "@/utils/package";
+import { addPackageQuantity, convertPackageQuantity, formatPackageAmount, normalizePackageQuantity } from "@/utils/package";
 import { Message } from "@/utils/message";
 import { permissionCodes } from "@/utils/permission";
 import { uploadPhotoList } from "@/utils/photo";
@@ -256,6 +278,10 @@ const isCustomerPackageCreate = computed(() => route.name === "CustomerPackageCr
 const config = ref<GaoPackageConfig>();
 const configList = ref<GaoPackageConfig[]>([]);
 const configSelectorVisible = ref(false);
+const skuMap = reactive<Record<string, ProductSku>>({});
+const unitPickerVisible = ref(false);
+const unitPickerIndex = ref(-1);
+const unitPickerDraft = ref<Array<string | number>>([]);
 
 // ---------- 客户 ----------
 
@@ -405,8 +431,13 @@ const {
 	buildAttachments
 });
 
+const unitPickerOptions = computed(() => {
+	const item = packagePurchaseItemList.value[unitPickerIndex.value];
+	return item ? getSelectableUnitList(item).map(unit => ({ label: unit.name, value: unit.id || "" })) : [];
+});
+
 function getItemLabel(item: PackagePurchaseItem): string {
-	const configItem = config.value?.itemList?.find(configItem => configItem.skuId === item.skuId && configItem.skuUnitId === item.skuUnitId);
+	const configItem = config.value?.itemList?.find(configItem => configItem.skuId === item.skuId);
 	if (!configItem) {
 		return "产品权益";
 	}
@@ -416,16 +447,78 @@ function getItemLabel(item: PackagePurchaseItem): string {
 }
 
 function getItemName(item: PackagePurchaseItem): string {
-	return config.value?.itemList?.find(configItem => configItem.skuId === item.skuId && configItem.skuUnitId === item.skuUnitId)?.productNameSnapshot || "未命名产品";
+	return config.value?.itemList?.find(configItem => configItem.skuId === item.skuId)?.productNameSnapshot || "未命名产品";
 }
 
 function getItemPhotoURL(item: PackagePurchaseItem): string {
-	const configItem = config.value?.itemList?.find(configItem => configItem.skuId === item.skuId && configItem.skuUnitId === item.skuUnitId);
-	return getProductPhotoURL(configItem?.sku || {});
+	return getProductPhotoURL(getItemSku(item) || {});
 }
 
-function getItemUnit(item: PackagePurchaseItem): string {
-	return config.value?.itemList?.find(configItem => configItem.skuId === item.skuId && configItem.skuUnitId === item.skuUnitId)?.unitSnapshot || "";
+function getItemSku(item: PackagePurchaseItem): ProductSku | undefined {
+	return skuMap[item.skuId] || config.value?.itemList?.find(configItem => configItem.skuId === item.skuId)?.sku;
+}
+
+function getItemUnit(item: PackagePurchaseItem): ProductSkuUnit | undefined {
+	return getItemSku(item)?.unitList?.find(unit => unit.id === item.skuUnitId);
+}
+
+function getSelectableUnitList(item: PackagePurchaseItem): ProductSkuUnit[] {
+	const maxBaseQuantityPerUnit = Math.max(...(config.value?.itemList || [])
+		.filter(configItem => configItem.skuId === item.skuId)
+		.map(configItem => Number(configItem.baseQuantityPerUnitSnapshot || 0)));
+	return (getItemSku(item)?.unitList || []).filter(unit => unit.allowSale !== false && !!unit.id
+		&& Number(unit.baseQuantityPerUnit) <= maxBaseQuantityPerUnit);
+}
+
+function openItemUnitPicker(index: number): void {
+	const item = packagePurchaseItemList.value[index];
+	if (!item || !getSelectableUnitList(item).length) {
+		Message.warning("当前 SKU 没有可用于套餐权益的销售单位");
+		return;
+	}
+	unitPickerIndex.value = index;
+	unitPickerDraft.value = [item.skuUnitId];
+	unitPickerVisible.value = true;
+}
+
+function confirmItemUnitPicker(value: Array<string | number>): void {
+	const index = unitPickerIndex.value;
+	const item = packagePurchaseItemList.value[index];
+	const skuUnitId = String(value[0] || "");
+	const currentUnit = item && getItemUnit(item);
+	const targetUnit = item && getSelectableUnitList(item).find(unit => unit.id === skuUnitId);
+	if (!item || !currentUnit || !targetUnit || !skuUnitId || skuUnitId === item.skuUnitId) {
+		unitPickerVisible.value = false;
+		return;
+	}
+	const convertedQuantity = convertPackageQuantity(item.totalQuantity, currentUnit.baseQuantityPerUnit, targetUnit.baseQuantityPerUnit);
+	if (!convertedQuantity) {
+		Message.warning("调整单位后数量不能精确保留三位小数");
+		return;
+	}
+	const duplicateIndex = packagePurchaseItemList.value.findIndex((candidate, candidateIndex) => candidateIndex !== index
+		&& candidate.skuId === item.skuId && candidate.skuUnitId === skuUnitId);
+	if (duplicateIndex < 0) {
+		packagePurchaseItemList.value[index] = { ...item, skuUnitId, totalQuantity: convertedQuantity };
+	} else {
+		const duplicateItem = packagePurchaseItemList.value[duplicateIndex];
+		const totalQuantity = addPackageQuantity(duplicateItem.totalQuantity, convertedQuantity);
+		if (!totalQuantity) {
+			Message.warning("合并同单位权益后数量不能精确保留三位小数");
+			return;
+		}
+		packagePurchaseItemList.value = packagePurchaseItemList.value.flatMap((candidate, candidateIndex) => {
+			if (candidateIndex === index) {
+				return [];
+			}
+			if (candidateIndex === duplicateIndex) {
+				return [{ ...candidate, totalQuantity, sort: Math.min(candidate.sort ?? candidateIndex, item.sort ?? index) }];
+			}
+			return [candidate];
+		});
+	}
+	resetRequestNo();
+	unitPickerVisible.value = false;
 }
 
 function updateItemQuantity(index: number, value: string | number): void {
@@ -433,13 +526,33 @@ function updateItemQuantity(index: number, value: string | number): void {
 		...item,
 		totalQuantity: String(value)
 	} : item);
+	resetRequestNo();
+}
+
+function removePurchaseItem(index: number): void {
+	if (!canPriceOverride.value) {
+		return;
+	}
+	packagePurchaseItemList.value = packagePurchaseItemList.value.filter((_, itemIndex) => itemIndex !== index);
+	resetRequestNo();
+}
+
+function validateItemDecimalQuantity(): boolean {
+	for (const item of packagePurchaseItemList.value) {
+		const quantity = normalizePackageQuantity(item.totalQuantity);
+		if (quantity && quantity !== "0" && quantity.includes(".") && getItemSku(item)?.allowDecimalQuantity === false) {
+			Message.warning("该 SKU 不允许小数数量");
+			return false;
+		}
+	}
+	return true;
 }
 
 async function submitRecord(): Promise<void> {
 	if (isSaving.value) {
 		return;
 	}
-	if (!validatePurchaseForm()) {
+	if (!validatePurchaseForm() || !validateItemDecimalQuantity()) {
 		return;
 	}
 
@@ -473,6 +586,7 @@ async function loadPageData(): Promise<void> {
 	}
 	config.value = await PackageAPI.configDetail(configId.value);
 	applyConfig(config.value);
+	await loadConfigSkuList(config.value);
 }
 
 async function selectConfig(item: GaoPackageConfig): Promise<void> {
@@ -480,9 +594,21 @@ async function selectConfig(item: GaoPackageConfig): Promise<void> {
 		return;
 	}
 	config.value = await PackageAPI.configDetail(item.id);
+	await loadConfigSkuList(config.value);
 	configSelectorVisible.value = false;
 }
 
+async function loadConfigSkuList(value?: GaoPackageConfig): Promise<void> {
+	const skuIdList = [...new Set((value?.itemList || []).map(item => item.skuId).filter(Boolean))];
+	await Promise.all(skuIdList.map(async skuId => {
+		try {
+			skuMap[skuId] = await ProductAPI.skuDetail(skuId);
+		} catch {
+			// 后端会校验最终权益单位，单个 SKU 的单位加载失败不影响套餐查看
+		}
+	}));
+}
+
 onMounted(async () => {
 	navBarStore.clearRight();
 	if (userStore.hasPermissions(permissionCodes.customerPackage.create)) {
@@ -608,11 +734,27 @@ watch(config, value => {
 						display: none;
 					}
 
-					.content {
+						.content {
 						display: flex;
 						height: 2rem;
 						align-items: center;
-						justify-content: space-between;
+							justify-content: space-between;
+
+							.item-title {
+								gap: .375rem;
+								min-width: 0;
+								display: flex;
+								align-items: center;
+							}
+
+							.t-input {
+								min-width: 0;
+								flex: 1;
+							}
+
+							.remove {
+								flex: none;
+							}
 
 						.name {
 							min-width: 0;
diff --git a/src/pages/package/usePackagePurchase.ts b/src/pages/package/usePackagePurchase.ts
index bab5bc7..244022e 100644
--- a/src/pages/package/usePackagePurchase.ts
+++ b/src/pages/package/usePackagePurchase.ts
@@ -71,6 +71,16 @@ export function usePackagePurchase(options: UsePackagePurchaseOptions) {
 		if (!packageRequestNo.value) {
 			packageRequestNo.value = createPackageRequestNo();
 		}
+		const itemList = packagePurchaseItemList.value.flatMap((item, index) => {
+			const totalQuantity = normalizePackageQuantity(item.totalQuantity);
+			return totalQuantity && totalQuantity !== "0" ? [{
+				skuId: item.skuId,
+				skuUnitId: item.skuUnitId,
+				totalQuantity,
+				sort: item.sort ?? index,
+				remark: item.remark ?? null
+			}] : [];
+		});
 		return await PackageAPI.purchase({
 			requestNo: packageRequestNo.value,
 			packageConfigId: config.id,
@@ -78,13 +88,7 @@ export function usePackagePurchase(options: UsePackagePurchaseOptions) {
 			saleAmount,
 			purchasedAt: options.buildRegisteredAt(),
 			attachmentList: options.buildAttachments(),
-			itemList: packagePurchaseItemList.value.length ? packagePurchaseItemList.value.map((item, index) => ({
-				skuId: item.skuId,
-				skuUnitId: item.skuUnitId,
-				totalQuantity: normalizePackageQuantity(item.totalQuantity)!,
-				sort: item.sort ?? index,
-				remark: item.remark ?? null
-			})) : undefined,
+			itemList,
 			remark: options.note.value.trim() || null
 		});
 	}
@@ -110,18 +114,28 @@ export function usePackagePurchase(options: UsePackagePurchaseOptions) {
 			Message.warning("成交价必须是合法的元金额，最多两位小数");
 			return false;
 		}
+		const keySet = new Set<string>();
+		let hasPositiveQuantity = false;
 		for (const item of packagePurchaseItemList.value) {
 			const quantity = normalizePackageQuantity(item.totalQuantity);
-			if (!item.skuId || !item.skuUnitId || !quantity || quantity === "0") {
-				Message.warning("SKU 单位和正数量不能为空");
+			if (!item.skuId || !item.skuUnitId || !quantity) {
+				Message.warning("SKU 单位和数量不能为空，数量最多三位小数");
 				return false;
 			}
-			const configItem = options.config.value.itemList?.find(source => source.skuId === item.skuId && source.skuUnitId === item.skuUnitId);
-			if (configItem?.sku && !configItem.sku.allowDecimalQuantity && quantity.includes(".")) {
-				Message.warning("该 SKU 不允许小数数量");
-				return false;
+			if (quantity !== "0") {
+				hasPositiveQuantity = true;
+				const key = `${item.skuId}\u0000${item.skuUnitId}`;
+				if (keySet.has(key)) {
+					Message.warning("最终套餐权益不能重复相同 SKU 和单位");
+					return false;
+				}
+				keySet.add(key);
 			}
 		}
+		if (!hasPositiveQuantity) {
+			Message.warning("套餐至少需要保留一项正数量权益");
+			return false;
+		}
 		return true;
 	}
 
diff --git a/src/pages/salesOrder/SalesOrderDetail.vue b/src/pages/salesOrder/SalesOrderDetail.vue
index 881cb8e..0f93adb 100644
--- a/src/pages/salesOrder/SalesOrderDetail.vue
+++ b/src/pages/salesOrder/SalesOrderDetail.vue
@@ -129,23 +129,23 @@
 						<div class="content">
 							<div class="metric">
 								<strong v-text="getPackageQuantityText(item.quantity)" />
-								<span>总数</span>
+								<span>订单数量</span>
 							</div>
 							<div class="metric">
-								<strong :class="getAvailableQuantityClass(item)" v-text="getPackageQuantityText(item.availableQuantity)" />
-								<span>可履约</span>
+								<strong :class="getAvailableQuantityClass(item)" v-text="getPackageQuantityText(item.availableBaseQuantity)" />
+								<span>可履约（基础）</span>
 							</div>
 							<div class="metric">
-								<strong v-text="getPackageQuantityText(item.pendingQuantity)" />
-								<span>待核销</span>
+								<strong v-text="getPackageQuantityText(item.pendingBaseQuantity)" />
+								<span>待核销（基础）</span>
 							</div>
 							<div class="metric">
-								<strong :class="getFulfilledQuantityClass(item)" v-text="getPackageQuantityText(item.fulfilledQuantity)" />
-								<span>已履约</span>
+								<strong :class="getFulfilledQuantityClass(item)" v-text="getPackageQuantityText(item.fulfilledBaseQuantity)" />
+								<span>已履约（基础）</span>
 							</div>
 							<div class="metric">
-								<strong :class="getRemainingQuantityClass(item)" v-text="getPackageQuantityText(item.remainingQuantity)" />
-								<span>剩余</span>
+								<strong :class="getRemainingQuantityClass(item)" v-text="getPackageQuantityText(item.remainingBaseQuantity)" />
+								<span>剩余（基础）</span>
 							</div>
 						</div>
 					</div>
@@ -242,7 +242,7 @@ import {
 	getStatusTheme
 } from "@/utils/salesOrder";
 import { Message } from "@/utils/message";
-import { permissionCodes } from "@/utils/permission";
+import { gaoRoleCodes, permissionCodes } from "@/utils/permission";
 import { uploadPhotoList } from "@/utils/photo";
 
 defineOptions({ name: "SalesOrderDetail" });
@@ -261,12 +261,11 @@ const canReadFund = computed(() => userStore.hasPermissions(permissionCodes.fund
 const canReadMyReceive = computed(() => userStore.hasPermissions(permissionCodes.fundReceive.create));
 const canUpdate = computed(() => userStore.hasPermissions(permissionCodes.salesOrder.update));
 const canCreateFulfillment = computed(() => userStore.hasPermissions(permissionCodes.orderFulfillment.create));
-const canOperateStock = computed(() => userStore.hasPermissions(permissionCodes.productStock.create));
 const canReceive = computed(() => !!order.value && order.value.status !== "CANCELLED" && order.value.paymentStatus !== "PAID" && userStore.hasPermissions(permissionCodes.fundReceive.create));
 const canRefund = computed(() => !!order.value && order.value.status === "CANCELLED" && order.value.refundStatus === "PENDING" && userStore.hasPermissions(permissionCodes.fund.refund));
 const canConfirmNoRefund = computed(() => !!order.value && order.value.status === "CANCELLED" && order.value.refundStatus === "PENDING" && userStore.hasPermissions(permissionCodes.fund.refund));
 const canCancel = computed(() => !!order.value && order.value.status === "ACTIVE" && !hasPendingFulfillment.value && userStore.hasPermissions(permissionCodes.salesOrder.cancel));
-const canFulfillByPayment = computed(() => order.value?.paymentStatus === "PAID" || (order.value?.paymentStatus === "PARTIALLY_PAID" && canOperateStock.value));
+const canFulfillByPayment = computed(() => order.value?.paymentStatus === "PAID" || userStore.hasRoles(gaoRoleCodes.storeManager));
 const photoURLList = computed(() => photoItems.value.map(item => item.url));
 
 function toPhotoItems(attachmentList?: readonly Partial<Attachment>[]): PhotoItem[] {
@@ -312,20 +311,20 @@ function getRemainingAmountClass(amount?: number | null): "green" | "red" | "gra
 }
 
 function getAvailableQuantityClass(item: GaoSalesOrderItem): "green" | "orange" {
-	return Number(item.availableQuantity || 0) === 0 ? "green" : "orange";
+	return Number(item.availableBaseQuantity || 0) === 0 ? "green" : "orange";
 }
 
 function getFulfilledQuantityClass(item: GaoSalesOrderItem): "green" | "orange" {
-	return Number(item.remainingQuantity || 0) === 0 ? "green" : "orange";
+	return Number(item.remainingBaseQuantity || 0) === 0 ? "green" : "orange";
 }
 
 function getRemainingQuantityClass(item: GaoSalesOrderItem): "green" | "orange" {
-	return Number(item.remainingQuantity || 0) === 0 ? "green" : "orange";
+	return Number(item.remainingBaseQuantity || 0) === 0 ? "green" : "orange";
 }
 
 function getItemFulfillmentStatus(item: GaoSalesOrderItem): { text: string; theme: "success" | "warning" | "danger" } {
-	const fulfilledQuantity = Number(item.fulfilledQuantity || 0);
-	const remainingQuantity = Number(item.remainingQuantity || 0);
+	const fulfilledQuantity = Number(item.fulfilledBaseQuantity || 0);
+	const remainingQuantity = Number(item.remainingBaseQuantity || 0);
 	if (0 < fulfilledQuantity && remainingQuantity === 0) {
 		return { text: "已完成", theme: "success" };
 	}
diff --git a/src/pages/salesOrder/SalesOrderList.vue b/src/pages/salesOrder/SalesOrderList.vue
index ab54e3c..d7ee72a 100644
--- a/src/pages/salesOrder/SalesOrderList.vue
+++ b/src/pages/salesOrder/SalesOrderList.vue
@@ -48,7 +48,7 @@
 					:order="item"
 					:can-receive="canReceive"
 					:can-fulfill="canCreateFulfillment"
-					:can-operate-stock="canOperateStock"
+					:can-store-manager="canStoreManager"
 					v-entrance-transition="index * 30"
 					@click="toDetail(item)"
 					@receive="toPayment(item)"
@@ -73,7 +73,7 @@ import { useNavBarStore } from "@/store/navBarStore";
 import type { GaoSalesOrderStatus, GaoSalesOrderType, GaoSalesPaymentStatus, GaoSalesRefundStatus, SalesOrder, SalesOrderPage } from "@/types/SalesOrder";
 import { getErrorMessage } from "@/utils/error";
 import { Message } from "@/utils/message";
-import { permissionCodes } from "@/utils/permission";
+import { gaoRoleCodes, permissionCodes } from "@/utils/permission";
 
 defineOptions({ name: "SalesOrderList" });
 const route = useRoute();
@@ -84,7 +84,7 @@ const canCreate = computed(() => userStore.hasPermissions(permissionCodes.salesO
 const canCreatePackageOrder = computed(() => userStore.hasPermissions(permissionCodes.customerPackage.create));
 const canReceive = computed(() => userStore.hasPermissions(permissionCodes.fundReceive.create));
 const canCreateFulfillment = computed(() => userStore.hasPermissions(permissionCodes.orderFulfillment.create));
-const canOperateStock = computed(() => userStore.hasPermissions(permissionCodes.productStock.create));
+const canStoreManager = computed(() => userStore.hasRoles(gaoRoleCodes.storeManager));
 const actions = computed(() => [
 	...(canCreate.value ? [{
 		key: "create",
diff --git a/src/pages/salesOrder/components/SalesOrderListCell.vue b/src/pages/salesOrder/components/SalesOrderListCell.vue
index 523dc43..1bbba28 100644
--- a/src/pages/salesOrder/components/SalesOrderListCell.vue
+++ b/src/pages/salesOrder/components/SalesOrderListCell.vue
@@ -100,7 +100,7 @@ const props = defineProps<{
 	order: SalesOrder;
 	canReceive: boolean;
 	canFulfill: boolean;
-	canOperateStock: boolean;
+	canStoreManager: boolean;
 }>();
 const emit = defineEmits<{
 	click: [];
@@ -113,10 +113,10 @@ const avatarText = computed(() => customerName.value.slice(0, 1) || "客");
 const photoURL = computed(() => getCustomerPhotoURL(props.order.customer, 64));
 const orderNoText = computed(() => `订单号：${props.order.orderNo || props.order.id || "未知"}`);
 const totalProductQuantity = computed(() => sumProductQuantity("quantity"));
-const fulfilledProductQuantity = computed(() => sumProductQuantity("fulfilledQuantity"));
-const productSummaryText = computed(() => `共 ${itemList.value.length} 项 · 总数量 ${totalProductQuantity.value} · 已履约 ${fulfilledProductQuantity.value}`);
+const fulfilledProductQuantity = computed(() => sumProductQuantity("fulfilledBaseQuantity"));
+const productSummaryText = computed(() => `共 ${itemList.value.length} 项 · 订单数量 ${totalProductQuantity.value} · 已履约（基础）${fulfilledProductQuantity.value}`);
 const showReceiveAction = computed(() => props.canReceive && props.order.status !== "CANCELLED" && props.order.paymentStatus !== "PAID");
-const canFulfillByPayment = computed(() => props.order.paymentStatus === "PAID" || (props.order.paymentStatus === "PARTIALLY_PAID" && props.canOperateStock));
+const canFulfillByPayment = computed(() => props.order.paymentStatus === "PAID" || props.canStoreManager);
 const showFulfillAction = computed(() => props.canFulfill && canFulfillByPayment.value && props.order.status === "ACTIVE");
 
 function getPaymentStatusTheme(status?: GaoSalesPaymentStatus): "success" | "warning" | "danger" | "default" {
@@ -132,7 +132,7 @@ function getPaymentStatusTheme(status?: GaoSalesPaymentStatus): "success" | "war
 	return "default";
 }
 
-function sumProductQuantity(field: "quantity" | "fulfilledQuantity"): string {
+function sumProductQuantity(field: "quantity" | "fulfilledBaseQuantity"): string {
 	let total = 0;
 	for (const item of itemList.value) {
 		const quantity = Number(item[field] || 0);
diff --git a/src/types/Fulfillment.ts b/src/types/Fulfillment.ts
index 1fac9d2..f2f8785 100644
--- a/src/types/Fulfillment.ts
+++ b/src/types/Fulfillment.ts
@@ -12,10 +12,10 @@ export type OrderFulfillmentItem = {
 	sourceOrderItemId?: string;
 	quantity?: number | string;
 	baseQuantity?: number | string;
-	reservedBefore?: number | string;
-	reservedAfter?: number | string;
-	fulfilledBefore?: number | string;
-	fulfilledAfter?: number | string;
+	reservedBaseBefore?: number | string;
+	reservedBaseAfter?: number | string;
+	fulfilledBaseBefore?: number | string;
+	fulfilledBaseAfter?: number | string;
 	productNameSnapshot?: string;
 	productIdSnapshot?: string;
 	skuCodeSnapshot?: string;
@@ -70,6 +70,7 @@ export type OrderFulfillmentCreateRequest = {
 
 export type GaoOrderFulfillmentItemRequest = {
 	sourceOrderItemId: string;
+	skuUnitId: string;
 	quantity: number | string;
 };
 
diff --git a/src/types/SalesOrder.ts b/src/types/SalesOrder.ts
index 5bed45c..d0f6548 100644
--- a/src/types/SalesOrder.ts
+++ b/src/types/SalesOrder.ts
@@ -27,13 +27,14 @@ export type GaoSalesOrderItem = {
 	unitSnapshot?: string;
 	baseQuantityPerUnitSnapshot?: number | string;
 	quantity?: number | string;
-	reservedQuantity?: number | string;
-	fulfilledQuantity?: number | string;
+	baseQuantity?: number | string;
+	reservedBaseQuantity?: number | string;
+	fulfilledBaseQuantity?: number | string;
 	unitPrice?: number | null;
 	lineAmount?: number | null;
-	pendingQuantity?: number | string;
-	availableQuantity?: number | string;
-	remainingQuantity?: number | string;
+	pendingBaseQuantity?: number | string;
+	availableBaseQuantity?: number | string;
+	remainingBaseQuantity?: number | string;
 	sort?: number;
 	remark?: string | null;
 } & Model;
diff --git a/src/utils/package.ts b/src/utils/package.ts
index 70c556a..191cc65 100644
--- a/src/utils/package.ts
+++ b/src/utils/package.ts
@@ -59,6 +59,44 @@ export function comparePackageQuantity(left: number | string, right: number | st
 	return leftValue < rightValue ? -1 : rightValue < leftValue ? 1 : 0;
 }
 
+/** 将当前单位数量精确换算为最多三位小数的基础单位数量。 */
+export function toPackageBaseQuantity(quantity: number | string, baseQuantityPerUnit: number | string): string | undefined {
+	const quantityParts = toDecimalParts(quantity, 3);
+	const unitParts = toDecimalParts(baseQuantityPerUnit, 6);
+	if (!quantityParts || !unitParts) {
+		return undefined;
+	}
+	return formatDecimal(quantityParts.value * unitParts.value, quantityParts.scale + unitParts.scale, 3);
+}
+
+/** 将数量从一个单位精确换算到另一个单位，结果最多保留三位小数。 */
+export function convertPackageQuantity(quantity: number | string, fromBaseQuantityPerUnit: number | string, toBaseQuantityPerUnit: number | string): string | undefined {
+	const quantityParts = toDecimalParts(quantity, 3);
+	const fromParts = toDecimalParts(fromBaseQuantityPerUnit, 6);
+	const toParts = toDecimalParts(toBaseQuantityPerUnit, 6);
+	if (!quantityParts || !fromParts || !toParts || toParts.value === 0n) {
+		return undefined;
+	}
+	const numerator = quantityParts.value * fromParts.value * 10n ** BigInt(toParts.scale + 3);
+	const denominator = 10n ** BigInt(quantityParts.scale + fromParts.scale) * toParts.value;
+	if (numerator % denominator !== 0n) {
+		return undefined;
+	}
+	return formatDecimal(numerator / denominator, 3, 3);
+}
+
+/** 精确相加两个最多三位小数的数量。 */
+export function addPackageQuantity(left: number | string, right: number | string): string | undefined {
+	const leftParts = toQuantityParts(left);
+	const rightParts = toQuantityParts(right);
+	if (!leftParts || !rightParts) {
+		return undefined;
+	}
+	const scale = Math.max(leftParts.scale, rightParts.scale);
+	const value = leftParts.value * 10n ** BigInt(scale - leftParts.scale) + rightParts.value * 10n ** BigInt(scale - rightParts.scale);
+	return formatDecimal(value, scale, 3);
+}
+
 export function getPackageQuantityText(value?: number | string | null): string {
 	if (value === undefined || value === null || value === "") {
 		return "0";
@@ -79,13 +117,29 @@ export function getFundStatusText(status?: FundRecordStatus): string {
 }
 
 function toQuantityParts(value: number | string): { value: bigint; scale: number } | undefined {
-	const normalized = normalizePackageQuantity(value);
-	if (!normalized) {
+	return toDecimalParts(value, 3);
+}
+
+function toDecimalParts(value: number | string, maxScale: number): { value: bigint; scale: number } | undefined {
+	const text = String(value).trim();
+	if (!new RegExp(`^\\d+(?:\\.\\d{1,${maxScale}})?$`).test(text)) {
 		return undefined;
 	}
-	const [integerText, fractionText = ""] = normalized.split(".");
+	const [integerText, fractionText = ""] = text.split(".");
 	return {
 		value: BigInt(`${integerText}${fractionText}`),
 		scale: fractionText.length
 	};
 }
+
+function formatDecimal(value: bigint, scale: number, maxScale: number): string | undefined {
+	while (maxScale < scale && value % 10n === 0n) {
+		value /= 10n;
+		scale--;
+	}
+	if (maxScale < scale) {
+		return undefined;
+	}
+	const text = value.toString().padStart(scale + 1, "0");
+	return normalizePackageQuantity(scale ? `${text.slice(0, -scale)}.${text.slice(-scale)}` : text);
+}