diff --git a/src/components/CustomerProfileCard.vue b/src/components/CustomerProfileCard.vue
index 40fa05a..6836275 100644
--- a/src/components/CustomerProfileCard.vue
+++ b/src/components/CustomerProfileCard.vue
@@ -48,8 +48,9 @@ const customerName = computed(() => customer.value?.name || customer.value?.code
 const avatarText = computed(() => customerName.value.slice(0, 1));
 const customerCode = computed(() => customer.value?.code || "");
 const customerTelephone = computed(() => customer.value?.telephone || "");
-const photoURL = computed(() => customer.value ? getCustomerPhotoURL(customer.value) : "");
-const photoViewerImages = computed(() => photoURL.value ? [photoURL.value] : []);
+const photoURL = computed(() => customer.value ? getCustomerPhotoURL(customer.value, 64) : "");
+const originalPhotoURL = computed(() => customer.value ? getCustomerPhotoURL(customer.value) : "");
+const photoViewerImages = computed(() => originalPhotoURL.value ? [originalPhotoURL.value] : []);
 
 function handlePhotoClick(event: MouseEvent): void {
 	event.stopPropagation();
diff --git a/src/components/PhotoScroller.vue b/src/components/PhotoScroller.vue
index 9ac6488..ee409ec 100644
--- a/src/components/PhotoScroller.vue
+++ b/src/components/PhotoScroller.vue
@@ -114,6 +114,7 @@ type AddAction = {
 
 type PhotoItem = {
 	attachType?: string;
+	previewUrl?: string;
 	url: string;
 };
 
@@ -182,7 +183,7 @@ function removePhoto(index: number): void {
 
 function openPhotoViewer(index: number): void {
 	const photoList = [...displayPhotoList.value.slice(index), ...displayPhotoList.value.slice(0, index)];
-	photoViewerImages.value = photoList.map(item => item.url);
+	photoViewerImages.value = photoList.map(item => item.previewUrl || item.url);
 	photoViewerVisible.value = true;
 }
 </script>
diff --git a/src/pages/customer/CustomerDetail.vue b/src/pages/customer/CustomerDetail.vue
index 1bcdc80..1c72562 100644
--- a/src/pages/customer/CustomerDetail.vue
+++ b/src/pages/customer/CustomerDetail.vue
@@ -144,7 +144,7 @@
 
 <script setup lang="ts">
 import { Message } from "@/utils/message";
-import { AttachmentAPI, PassTimeLabel, Text, useUserStore } from "timi-web";
+import { PassTimeLabel, Text, useUserStore } from "timi-web";
 import CustomerAPI from "@/api/CustomerAPI";
 import PointAPI from "@/api/PointAPI";
 import TagAPI from "@/api/TagAPI";
@@ -158,6 +158,7 @@ import type { BodyAreaValue, Customer } from "@/types/Customer";
 import type { PointAccount } from "@/types/Point";
 import type { Tag } from "@/types/Tag";
 import { bodyAreaLabelMap } from "@/utils/bodyArea";
+import { getAttachmentReadURL } from "@/utils/attachment";
 import { normalizeBodyAreaValue } from "@/utils/customer";
 import { corePermissionCodes, permissionCodes } from "@/utils/permission";
 import { LunarCalendar } from "@/utils/LunarCalendar";
@@ -192,15 +193,14 @@ const solarBirthdateText = computed(() => formatSolarBirthdate(customer.value));
 const birthdateText = computed(() => showSolarBirthdate.value && isLunarBirthdate.value ? solarBirthdateText.value : formatBirthdate(customer.value));
 const ageText = computed(() => customer.value?.age === undefined || customer.value?.age === null ? "" : `${customer.value.age} 岁`);
 const inviteeCountText = computed(() => `${customer.value?.invitedCount ?? 0} 人`);
-const photoList = computed(() => (customer.value?.attachmentList || [])
-	.filter(item => !!item.id)
-	.map(item => AttachmentAPI.getReadURL(item.id || "")));
 const photoItemList = computed(() => (customer.value?.attachmentList || [])
 	.filter(item => !!item.id)
 	.map(item => ({
 		attachType: item.attachType || "PHOTO",
-		url: AttachmentAPI.getReadURL(item.id || "")
+		previewUrl: getAttachmentReadURL(item.id || ""),
+		url: getAttachmentReadURL(item.id || "", 64)
 	})));
+const photoList = computed(() => photoItemList.value.map(item => item.url));
 const selectedAreas = computed<BodyAreaValue>({
 	get() {
 		return normalizeBodyAreaValue(customer.value?.conditioningPart);
diff --git a/src/pages/customer/CustomerEdit.vue b/src/pages/customer/CustomerEdit.vue
index 49904fe..5ac1753 100644
--- a/src/pages/customer/CustomerEdit.vue
+++ b/src/pages/customer/CustomerEdit.vue
@@ -187,6 +187,7 @@ import { useSettingStore } from "@/store/settingStore";
 import type { BodyAreaValue, Customer, CustomerAttachmentType, EditableCustomerPhoto } from "@/types/Customer";
 import type { Tag } from "@/types/Tag";
 import { bodyAreaLabelMap } from "@/utils/bodyArea";
+import { getAttachmentReadURL } from "@/utils/attachment";
 import { normalizeBodyAreaValue } from "@/utils/customer";
 import { corePermissionCodes, gaoRoleCodes, permissionCodes } from "@/utils/permission";
 import { compressUploadImage } from "@/utils/imageCompression";
@@ -388,7 +389,8 @@ async function loadDetail() {
 			.map(item => ({
 				attachment: item,
 				attachType: normalizeAttachmentType(item.attachType),
-				url: AttachmentAPI.getReadURL(item.id || "")
+				previewUrl: getAttachmentReadURL(item.id || ""),
+				url: getAttachmentReadURL(item.id || "", 64)
 			}));
 		selectedAreas.value = normalizeBodyAreaValue(customer.conditioningPart);
 		introducerCustomerId.value = customer.introducerCustomerId || customer.introducerCustomer?.id || "";
diff --git a/src/pages/customer/CustomerInviteeList.vue b/src/pages/customer/CustomerInviteeList.vue
index a00067c..d0ac587 100644
--- a/src/pages/customer/CustomerInviteeList.vue
+++ b/src/pages/customer/CustomerInviteeList.vue
@@ -42,9 +42,9 @@
 						</template>
 						<template #leftIcon>
 							<t-image
-								v-if="getCustomerPhotoURL(item)"
+								v-if="getCustomerPhotoURL(item, 64)"
 								class="avatar"
-								:src="getCustomerPhotoURL(item)"
+								:src="getCustomerPhotoURL(item, 64)"
 								:alt="item.name"
 								fit="cover"
 							/>
diff --git a/src/pages/event/EventRecordDetail.vue b/src/pages/event/EventRecordDetail.vue
index 4bea401..eb154d4 100644
--- a/src/pages/event/EventRecordDetail.vue
+++ b/src/pages/event/EventRecordDetail.vue
@@ -19,6 +19,7 @@
 		<section v-if="record" class="photo-panel">
 			<photo-scroller
 				:model-value="recordPhotoList"
+				:photo-items="recordPhotoItemList"
 				:show-add="false"
 				:show-remove="false"
 				title="登记照片"
@@ -54,10 +55,12 @@ const record = ref<EventRecord>();
 const isLoading = ref(false);
 
 const canUpdateRecord = computed(() => userStore.hasPermissions(permissionCodes.eventRecord.update));
-const recordPhotoList = computed(() => {
+const recordPhotoItemList = computed(() => {
 	const url = getEventRecordPhotoURL(record.value);
-	return url ? [url] : [];
+	const thumbnailURL = getEventRecordPhotoURL(record.value, 64);
+	return thumbnailURL ? [{ url: thumbnailURL, previewUrl: url }] : [];
 });
+const recordPhotoList = computed(() => recordPhotoItemList.value.map(item => item.url));
 
 function getNumberValueText(value: EventRecord): string {
 	return formatEventNumberValue(value.event, value.numberValue);
diff --git a/src/pages/event/EventRecordEdit.vue b/src/pages/event/EventRecordEdit.vue
index c1be4cd..feec41f 100644
--- a/src/pages/event/EventRecordEdit.vue
+++ b/src/pages/event/EventRecordEdit.vue
@@ -112,7 +112,12 @@
 			</t-form-item>
 
 			<div class="photo-part">
-				<photo-scroller v-model="photoList" :loading="isPhotoUploading" @add="capturePhoto" />
+				<photo-scroller
+					v-model="photoList"
+					:photo-items="photoItemList"
+					:loading="isPhotoUploading"
+					@add="capturePhoto"
+				/>
 			</div>
 		</t-form>
 		<t-cell-group
@@ -200,6 +205,7 @@ import type { Customer } from "@/types/Customer";
 import type { EventItem } from "@/types/EventItem";
 import type { EventRecord } from "@/types/EventRecord";
 import type { PointAction } from "@/types/Point";
+import { getAttachmentReadURL } from "@/utils/attachment";
 import { getEventRecordPhotoURL } from "@/utils/eventRecord";
 import { getEventNumberValuePlaceholder, resolveEventNumberValue } from "@/utils/eventValue";
 import { permissionCodes } from "@/utils/permission";
@@ -218,6 +224,7 @@ const navBarStore = useNavBarStore();
 
 type EditablePhoto = {
 	attachment?: Partial<Attachment>;
+	previewUrl?: string;
 	tempFileId?: string;
 	url: string;
 };
@@ -344,7 +351,7 @@ function getRecordEventName(record: EventRecord): string {
 }
 
 function getRecordPhotoURL(record: EventRecord): string {
-	return getEventRecordPhotoURL(record);
+	return getEventRecordPhotoURL(record, 64);
 }
 
 // ---------- 扫码 ----------
@@ -724,7 +731,8 @@ async function loadRecordForEdit(): Promise<void> {
 		.filter(item => !!item.id)
 		.map(item => ({
 			attachment: item,
-			url: AttachmentAPI.getReadURL(item.id || "")
+			previewUrl: getAttachmentReadURL(item.id || ""),
+			url: getAttachmentReadURL(item.id || "", 64)
 		}));
 	await loadRecentRecordList();
 }
diff --git a/src/pages/event/EventRecordList.vue b/src/pages/event/EventRecordList.vue
index b59defd..6e0e588 100644
--- a/src/pages/event/EventRecordList.vue
+++ b/src/pages/event/EventRecordList.vue
@@ -450,7 +450,7 @@ function getRecordCustomerName(record: EventRecordListItemView): string {
 }
 
 function getRecordPhotoURL(record: EventRecordListItemView): string {
-	return getCustomerPhotoURL(record.customer);
+	return getCustomerPhotoURL(record.customer, 64);
 }
 
 function getRecordCustomerInitial(record: EventRecordListItemView): string {
diff --git a/src/pages/event/EventRecordRank.vue b/src/pages/event/EventRecordRank.vue
index 67a3366..590aae9 100644
--- a/src/pages/event/EventRecordRank.vue
+++ b/src/pages/event/EventRecordRank.vue
@@ -57,8 +57,8 @@
 				>
 					<template #left-icon>
 						<t-image
-							v-if="getCustomerPhotoURL(item.customer)"
-							:src="getCustomerPhotoURL(item.customer)"
+							v-if="getCustomerPhotoURL(item.customer, 64)"
+							:src="getCustomerPhotoURL(item.customer, 64)"
 							:alt="getCustomerName(item)"
 							fit="cover"
 							class="avatar"
diff --git a/src/pages/home/QuickEntryPage.vue b/src/pages/home/QuickEntryPage.vue
index d15e137..749f9ed 100644
--- a/src/pages/home/QuickEntryPage.vue
+++ b/src/pages/home/QuickEntryPage.vue
@@ -151,6 +151,7 @@ import type { Customer } from "@/types/Customer";
 import type { EventItem } from "@/types/EventItem";
 import type { PointAction } from "@/types/Point";
 import { getEventNumberValuePlaceholder, resolveEventNumberValue } from "@/utils/eventValue";
+import { getAttachmentReadURL } from "@/utils/attachment";
 import { permissionCodes } from "@/utils/permission";
 import { loadSourceValueConfig, type SourceValueConfig } from "@/utils/point";
 import { compressUploadImage, compressUploadImageList } from "@/utils/imageCompression";
@@ -261,6 +262,7 @@ type CustomerAttachmentType = "PHOTO" | "POINT_CARD" | "OTHER";
 type QuickCustomerPhoto = {
 	attachment?: Attachment;
 	attachType: CustomerAttachmentType;
+	previewUrl?: string;
 	tempFileId?: string;
 	url: string;
 };
@@ -530,7 +532,8 @@ function syncCustomerPhoto(customer?: Customer): void {
 		.map(item => ({
 			attachment: item,
 			attachType: normalizeCustomerAttachmentType(item.attachType),
-			url: AttachmentAPI.getReadURL(item.id || "")
+			previewUrl: getAttachmentReadURL(item.id || ""),
+			url: getAttachmentReadURL(item.id || "", 64)
 		}));
 }
 
diff --git a/src/pages/home/QuickSignInPage.vue b/src/pages/home/QuickSignInPage.vue
index c567fae..26e6df0 100644
--- a/src/pages/home/QuickSignInPage.vue
+++ b/src/pages/home/QuickSignInPage.vue
@@ -54,8 +54,8 @@
 			>
 				<template #leftIcon>
 					<t-image
-						v-if="getEventRecordPhotoURL(item)"
-						:src="getEventRecordPhotoURL(item)"
+						v-if="getEventRecordPhotoURL(item, 64)"
+						:src="getEventRecordPhotoURL(item, 64)"
 						:alt="item.event?.name || '未知事件'"
 						fit="cover"
 						class="record-photo"
diff --git a/src/pages/point/PointLedgerList.vue b/src/pages/point/PointLedgerList.vue
index 6066020..196c02a 100644
--- a/src/pages/point/PointLedgerList.vue
+++ b/src/pages/point/PointLedgerList.vue
@@ -82,8 +82,8 @@
 				>
 					<template #leftIcon>
 						<t-image
-							v-if="getCustomerPhotoURL(item.customer!)"
-							:src="getCustomerPhotoURL(item.customer!)"
+							v-if="getCustomerPhotoURL(item.customer!, 64)"
+							:src="getCustomerPhotoURL(item.customer!, 64)"
 							fit="cover"
 							class="avatar"
 						/>
diff --git a/src/types/Customer.ts b/src/types/Customer.ts
index 0c56fc5..79d07e0 100644
--- a/src/types/Customer.ts
+++ b/src/types/Customer.ts
@@ -39,6 +39,7 @@ export type CustomerAttachmentType = "PHOTO" | "POINT_CARD" | "OTHER";
 export type EditableCustomerPhoto = {
 	attachment?: Attachment;
 	attachType: CustomerAttachmentType;
+	previewUrl?: string;
 	tempFileId?: string;
 	url: string;
 };
diff --git a/src/utils/attachment.ts b/src/utils/attachment.ts
new file mode 100644
index 0000000..1f95cd2
--- /dev/null
+++ b/src/utils/attachment.ts
@@ -0,0 +1,21 @@
+import { AttachmentAPI } from "timi-web";
+
+/**
+ * 获取附件读取地址。
+ *
+ * @param id 附件 ID
+ * @param thumbnailSize 缩略图尺寸，不传时返回原图地址
+ */
+export function getAttachmentReadURL(id: string, thumbnailSize?: number): string {
+	const url = AttachmentAPI.getReadURL(id);
+	if (thumbnailSize === undefined) {
+		return url;
+	}
+
+	const params = new URLSearchParams({
+		thumbWidth: String(thumbnailSize),
+		thumbHeight: String(thumbnailSize)
+	});
+	const separator = url.includes("?") ? "&" : "?";
+	return `${url}${separator}${params.toString()}`;
+}
diff --git a/src/utils/customer.ts b/src/utils/customer.ts
index 8a75b36..bed6dd6 100644
--- a/src/utils/customer.ts
+++ b/src/utils/customer.ts
@@ -1,5 +1,5 @@
-import { AttachmentAPI } from "timi-web";
 import type { BodyAreaValue, Customer } from "@/types/Customer";
+import { getAttachmentReadURL } from "@/utils/attachment";
 
 export function getCustomerPhotoURL(customer?: Customer, thumbnailSize?: number): string {
 	return getCustomerAttachmentURL(customer, "PHOTO", thumbnailSize);
@@ -14,16 +14,7 @@ function getCustomerAttachmentURL(customer: Customer | undefined, attachType: st
 	if (!attachment?.id) {
 		return "";
 	}
-	const url = AttachmentAPI.getReadURL(attachment.id);
-	if (thumbnailSize === undefined) {
-		return url;
-	}
-
-	const params = new URLSearchParams({
-		thumbWidth: String(thumbnailSize),
-		thumbHeight: String(thumbnailSize)
-	});
-	return `${url}?${params.toString()}`;
+	return getAttachmentReadURL(attachment.id, thumbnailSize);
 }
 
 export function normalizeBodyAreaValue(value: unknown): BodyAreaValue {
diff --git a/src/utils/eventRecord.ts b/src/utils/eventRecord.ts
index 24d69d7..c21e879 100644
--- a/src/utils/eventRecord.ts
+++ b/src/utils/eventRecord.ts
@@ -1,10 +1,10 @@
-import { AttachmentAPI } from "timi-web";
 import type { EventRecord } from "@/types/EventRecord";
+import { getAttachmentReadURL } from "@/utils/attachment";
 
-export function getEventRecordPhotoURL(record?: EventRecord): string {
+export function getEventRecordPhotoURL(record?: EventRecord, thumbnailSize?: number): string {
 	const attachment = record?.attachmentList?.find(item => item.attachType === "PHOTO") || record?.attachmentList?.[0];
 	if (!attachment?.id) {
 		return "";
 	}
-	return AttachmentAPI.getReadURL(attachment.id);
+	return getAttachmentReadURL(attachment.id, thumbnailSize);
 }