diff --git a/src/components/EventRecordCalendar.vue b/src/components/EventRecordCalendar.vue
index 36aa630..1d1f528 100644
--- a/src/components/EventRecordCalendar.vue
+++ b/src/components/EventRecordCalendar.vue
@@ -36,12 +36,15 @@
 				v-for="item in calendarDayList"
 				:key="item.key"
 				class="day-cell"
-				:class="{muted: !item.inMonth, today: item.isToday, marked: 0 < item.records.length}"
+				:class="{muted: !item.inMonth, today: item.isToday, marked: 0 < item.records.length, 'rest-day': item.isRestDay}"
 				type="button"
 				:disabled="!item.records.length"
 				@click="openDayRecords(item)"
 			>
-				<span class="date" v-text="item.day" />
+				<span class="date">
+					<span v-text="item.day" />
+					<span v-if="item.isRestDay" class="rest">休</span>
+				</span>
 				<span v-if="item.records.length" class="count" v-text="`${item.records.length} 条`" />
 			</button>
 		</div>
@@ -104,8 +107,11 @@
 </template>
 
 <script setup lang="ts">
+import StoreAPI from "@/api/StoreAPI";
 import type {EventItem} from "@/types/EventItem";
 import type {EventRecord} from "@/types/EventRecord";
+import type {StoreBusinessDay} from "@/types/Store";
+import {getCurrentStoreId} from "@/utils/store";
 import {Time} from "timi-web";
 
 interface CalendarDay {
@@ -114,6 +120,7 @@ interface CalendarDay {
 	dateText: string;
 	inMonth: boolean;
 	isToday: boolean;
+	isRestDay: boolean;
 	records: EventRecord[];
 }
 
@@ -131,11 +138,13 @@ const props = withDefaults(defineProps<{
 	records: EventRecord[];
 	selectedEventIdList: string[];
 	showEventFilter?: boolean;
+	storeId?: string;
 }>(), {
 	customerName: "",
 	emptyText: "当前月份暂无匹配登记",
 	loading: false,
-	showEventFilter: true
+	showEventFilter: true,
+	storeId: ""
 });
 
 const emit = defineEmits<{
@@ -151,6 +160,8 @@ const dayRecordVisible = ref(false);
 const eventFilterVisible = ref(false);
 const selectedDayTitle = ref("");
 const selectedDayRecords = ref<EventRecord[]>([]);
+const businessDayList = ref<StoreBusinessDay[]>([]);
+let businessDayRequestId = 0;
 
 const selectedEventIdListProxy = computed({
 	get: () => props.selectedEventIdList,
@@ -166,6 +177,12 @@ const eventNameMap = computed(() => {
 	return map;
 });
 const selectedEventIdSet = computed(() => new Set(props.selectedEventIdList));
+const resolvedStoreId = computed(() => props.storeId || getCurrentStoreId());
+const restDaySet = computed(() => new Set(
+	businessDayList.value
+		.filter(item => item.status === "CLOSED" && item.dateValue)
+		.map(item => item.dateValue as number)
+));
 const filteredRecords = computed(() => {
 	if (!props.showEventFilter || !props.selectedEventIdList.length) {
 		return props.records;
@@ -188,12 +205,42 @@ const calendarDayList = computed<CalendarDay[]>(() => {
 			dateText,
 			inMonth: date.getMonth() === props.modelValue.getMonth(),
 			isToday: dateText === todayText,
+			isRestDay: restDaySet.value.has(toDateValue(date)),
 			records: filteredRecords.value.filter(item => getRecordDateText(item) === dateText)
 		});
 	}
 	return list;
 });
 
+watch([() => props.modelValue, resolvedStoreId], async () => {
+	await loadBusinessDays();
+}, {
+	deep: true,
+	immediate: true
+});
+
+async function loadBusinessDays(): Promise<void> {
+	const storeId = resolvedStoreId.value;
+	if (!storeId) {
+		businessDayList.value = [];
+		return;
+	}
+
+	const requestId = ++businessDayRequestId;
+	const beginDate = getCalendarBeginDate(props.modelValue);
+	const endDate = addDays(beginDate, 41);
+	try {
+		const result = await StoreAPI.businessDayCalendar(storeId, toDateValue(beginDate), toDateValue(endDate));
+		if (requestId === businessDayRequestId) {
+			businessDayList.value = result || [];
+		}
+	} catch {
+		if (requestId === businessDayRequestId) {
+			businessDayList.value = [];
+		}
+	}
+}
+
 function shiftMonth(offset: number): void {
 	emit("update:modelValue", addMonths(props.modelValue, offset));
 }
@@ -286,6 +333,10 @@ function addMonths(date: Date, months: number): Date {
 	return new Date(date.getFullYear(), date.getMonth() + months, 1, 0, 0, 0, 0);
 }
 
+function toDateValue(date: Date): number {
+	return Number(Time.formatDate(date).replaceAll("-", ""));
+}
+
 </script>
 
 <style scoped lang="less">
@@ -353,13 +404,22 @@ function addMonths(date: Date, months: number): Date {
 			flex-direction: column;
 
 			.date {
+				display: flex;
 				font-size: .875rem;
+				align-items: center;
+				font-weight: 700;
+			}
+
+			.rest {
+				color: #dc2626;
+				margin-left: .125rem;
+				font-size: .625rem;
 				font-weight: 700;
 			}
 
 			.count {
 				width: 100%;
-				color: #2563eb;
+				color: var(--td-brand-color);
 				overflow: hidden;
 				font-size: .625rem;
 				font-weight: 700;
@@ -373,11 +433,15 @@ function addMonths(date: Date, months: number): Date {
 			}
 
 			&.today {
-				border-color: #2563eb;
+				color: var(--td-brand-color);
 			}
 
 			&.marked {
-				background: #eff6ff;
+				background: var(--td-brand-color-1);
+			}
+
+			&.rest-day {
+				background: #fef2f2;
 			}
 
 			&:disabled {
@@ -479,6 +543,10 @@ function addMonths(date: Date, months: number): Date {
 				&.marked {
 					background: rgba(37, 99, 235, .2);
 				}
+
+				&.rest-day {
+					background: rgba(220, 38, 38, .12);
+				}
 			}
 		}
 
diff --git a/src/pages/customer/CustomerDataCharts.vue b/src/pages/customer/CustomerDataCharts.vue
index 146b7df..6d048ca 100644
--- a/src/pages/customer/CustomerDataCharts.vue
+++ b/src/pages/customer/CustomerDataCharts.vue
@@ -39,6 +39,7 @@
 				v-model:selected-event-id-list="selectedEventIdList"
 				:customer-id="selectedCustomer.id || ''"
 				:customer-name="selectedCustomer.name"
+				:store-id="selectedCustomer.storeId"
 				@list="toEventRecordList"
 			/>
 			<customer-record-trend-chart
diff --git a/src/pages/customer/component/CustomerEventRecordCalendarSection.vue b/src/pages/customer/component/CustomerEventRecordCalendarSection.vue
index ea5d3f4..5fd4ff4 100644
--- a/src/pages/customer/component/CustomerEventRecordCalendarSection.vue
+++ b/src/pages/customer/component/CustomerEventRecordCalendarSection.vue
@@ -5,6 +5,7 @@
 		class="calendar-section"
 		:event-list="eventList"
 		:customer-name="customerName"
+		:store-id="storeId"
 		:loading="isCalendarLoading"
 		:records="records"
 		@list="value => emit('list', value)"
@@ -23,6 +24,7 @@ import type { StoreEventRecordCalendarView } from "@/types/Store";
 const props = defineProps<{
 	customerId: string;
 	customerName?: string;
+	storeId?: string;
 	modelValue: Date;
 	selectedEventIdList: string[];
 }>();
diff --git a/src/pages/store/component/StoreEventRecordCalendarSection.vue b/src/pages/store/component/StoreEventRecordCalendarSection.vue
index 7226525..84bbe64 100644
--- a/src/pages/store/component/StoreEventRecordCalendarSection.vue
+++ b/src/pages/store/component/StoreEventRecordCalendarSection.vue
@@ -6,6 +6,7 @@
 		empty-text="当前月份暂无登记事件记录"
 		:loading="isCalendarLoading"
 		:records="monthRecords"
+		:store-id="storeId"
 		@list="value => emit('list', value)"
 	/>
 </template>
@@ -17,6 +18,7 @@ import EventRecordCalendar, { type EventRecordCalendarListPayload } from "@/comp
 import type { EventItem } from "@/types/EventItem";
 import type { EventRecord } from "@/types/EventRecord";
 import type { StoreEventRecordCalendarView } from "@/types/Store";
+import { useCurrentStoreStore } from "@/store/currentStoreStore";
 import { Time } from "timi-web";
 
 const emit = defineEmits<{
@@ -28,6 +30,8 @@ const selectedEventIdList = ref<string[]>([]);
 const monthRecords = ref<EventRecord[]>([]);
 const isCalendarLoading = ref(false);
 const monthCursor = ref(getMonthStart(new Date()));
+const currentStoreStore = useCurrentStoreStore();
+const storeId = computed(() => currentStoreStore.currentStoreId);
 let calendarRequestId = 0;
 
 watch(monthCursor, async () => {
diff --git a/src/utils/avatar.ts b/src/utils/avatar.ts
index 7c2d787..2fa43aa 100644
--- a/src/utils/avatar.ts
+++ b/src/utils/avatar.ts
@@ -5,7 +5,7 @@
  * @param backgroundColor 头像背景色
  */
 export function buildFallbackAvatar(name?: string, backgroundColor = "#2563eb"): string {
-	const text = encodeURIComponent((name?.trim() || "用户").slice(0, 2));
+	const text = encodeURIComponent((name?.trim() || "用户").slice(0, 1));
 	const fill = encodeURIComponent(backgroundColor);
 	return [
 		"data:image/svg+xml;charset=UTF-8,",