diff --git a/src/pages/store/component/StoreCustomerGrowthChart.vue b/src/pages/store/component/StoreCustomerGrowthChart.vue
index 42e0761..df7ef39 100644
--- a/src/pages/store/component/StoreCustomerGrowthChart.vue
+++ b/src/pages/store/component/StoreCustomerGrowthChart.vue
@@ -15,16 +15,18 @@
 
 <script setup lang="ts">
 import { Time } from "timi-web";
-import type { EChartsOption } from "echarts";
+import type { DefaultLabelFormatterCallbackParams, EChartsOption } from "echarts";
 import StoreChartAPI from "@/api/StoreChartAPI";
 import ChartRangeSlider from "@/components/ChartRangeSlider.vue";
-import type { CustomerDailyStatView } from "@/types/Customer";
+import type { CustomerDailyStatCustomerView, CustomerDailyStatView } from "@/types/Customer";
 import { buildStoreBaseChartOption, useStoreChart, useStoreChartWindow } from "@/pages/store/component/useStoreChart";
 
 const props = defineProps<{
 	dateTextList: string[];
 }>();
 
+const MAX_TOOLTIP_CUSTOMER_COUNT = 24;
+
 // ---------- 图表数据 ----------
 
 const statList = ref<CustomerDailyStatView[]>([]);
@@ -82,7 +84,12 @@ const chartOption = computed<EChartsOption>(() => ({
 			yAxisIndex: 1,
 			data: visibleDateTextList.value.map(dateText => getDailyStat(dateText)?.newCustomerCount || 0)
 		}
-	]
+	],
+	tooltip: {
+		trigger: "axis",
+		formatter: params => formatGrowthTooltip(params),
+		extraCssText: "max-width: min(19rem, calc(100vw - 2rem));"
+	}
 }));
 
 const { chartElement } = useStoreChart(chartOption);
@@ -115,6 +122,45 @@ function getDailyStat(dateText: string): CustomerDailyStatView | undefined {
 	return statList.value.find(item => item.dateValue === dateValue);
 }
 
+function formatGrowthTooltip(params: DefaultLabelFormatterCallbackParams | DefaultLabelFormatterCallbackParams[]): string {
+	const firstParam = Array.isArray(params) ? params[0] : params;
+	const dateText = visibleDateTextList.value[firstParam?.dataIndex ?? -1];
+	const stat = dateText ? getDailyStat(dateText) : undefined;
+	if (!dateText || !stat) {
+		return "";
+	}
+
+	const customerList = stat.customerList || [];
+	const visibleCustomerList = customerList.slice(0, MAX_TOOLTIP_CUSTOMER_COUNT);
+	const customerHTML = visibleCustomerList.length
+		? visibleCustomerList.map(formatCustomerTooltipItem).join("")
+		: "";
+	const hiddenCustomerCount = Math.max(0, customerList.length - visibleCustomerList.length);
+	const hiddenCustomerHTML = hiddenCustomerCount
+		? `<div style="color:#94a3b8;margin-top:4px;">还有 ${hiddenCustomerCount} 人未显示</div>`
+		: "";
+	return [
+		`<div style="font-weight:700;margin-bottom:6px;">${escapeTooltipHTML(dateText)}</div>`,
+		`<div>客户总量：${stat.totalCustomerCount || 0} 人</div>`,
+		`<div>新客户量：${stat.newCustomerCount || 0} 人</div>`,
+		`<div style="display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px 10px;margin-top:6px;">${customerHTML}${hiddenCustomerHTML}</div>`
+	].join("");
+}
+
+function formatCustomerTooltipItem(customer: CustomerDailyStatCustomerView): string {
+	return `<div style="line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;">${escapeTooltipHTML(customer.name || "未命名客户")}</div>`;
+}
+
+function escapeTooltipHTML(value: string): string {
+	return value.replace(/[&<>"']/g, character => ({
+		"&": "&amp;",
+		"<": "&lt;",
+		">": "&gt;",
+		"\"": "&quot;",
+		"'": "&#39;"
+	}[character] || character));
+}
+
 // ---------- 日期 ----------
 
 function getDateStart(dateText: string): Date {
diff --git a/src/types/Customer.ts b/src/types/Customer.ts
index 9429ca0..ba6b56d 100644
--- a/src/types/Customer.ts
+++ b/src/types/Customer.ts
@@ -57,6 +57,11 @@ export type CustomerDailyStatView = {
 	dateValue?: number;
 	newCustomerCount?: number;
 	totalCustomerCount?: number;
+	customerList?: CustomerDailyStatCustomerView[];
+};
+
+export type CustomerDailyStatCustomerView = {
+	name?: string;
 };
 
 export type CustomerGenderStatView = {