diff --git a/src/pages/home/QuickSignInPage.vue b/src/pages/home/QuickSignInPage.vue
index 35df740..0a80769 100644
--- a/src/pages/home/QuickSignInPage.vue
+++ b/src/pages/home/QuickSignInPage.vue
@@ -30,6 +30,16 @@
 				@status-change="handleScanStatusChange"
 			/>
 		</space>
+		<t-cell-group class="auto-register-setting" theme="card" v-entrance-transition="55">
+			<t-cell title="识别成功自动登记">
+				<template #right-icon>
+					<t-switch v-model="autoRegisterEnabled" />
+				</template>
+				<template #description>
+					<div class="red">扫码匹配客户后自动提交登记，请注意已选登记事件</div>
+				</template>
+			</t-cell>
+		</t-cell-group>
 		<t-button
 			class="cell-button"
 			theme="primary"
@@ -147,6 +157,8 @@ const settingStore = useSettingStore();
 // ---------- 登记事件 ----------
 
 const EventItemStorageKey = "quick-scan-event-id";
+const AutoRegisterStorageKey = "quick-scan-auto-register";
+const autoRegisterEnabled = ref(Storage.getDefault(AutoRegisterStorageKey, true));
 const selectedEventIdList = ref<string[]>([]);
 const eventList = ref<EventItem[]>([]);
 const selectedOptionSelectionMap = reactive<EventOptionSelectionMap>({});
@@ -243,8 +255,13 @@ const scanCode = ref("");
 const scanStatus = ref("正在启动扫码预览");
 const scannerSessionKey = ref(0);
 const matchedCustomer = ref<Customer>();
+const registeredCustomerIdSet = new Set<string>();
 let latestDecodedText = "";
 
+watch(autoRegisterEnabled, value => {
+	Storage.setString(AutoRegisterStorageKey, value);
+});
+
 async function handleDecodedText(rawText: string): Promise<void> {
 	const normalizedText = rawText.trim();
 	if (!normalizedText || normalizedText === latestDecodedText) {
@@ -254,8 +271,16 @@ async function handleDecodedText(rawText: string): Promise<void> {
 	scanCode.value = normalizedText;
 	await settingStore.playScanSuccessSound();
 	await loadCustomer(normalizedText);
-	if (matchedCustomer.value) {
+	const customer = matchedCustomer.value;
+	if (customer) {
+		if (customer.id && registeredCustomerIdSet.has(customer.id)) {
+			scanStatus.value = `客户 ${customer.name || customer.code || normalizedText} 已在本页面登记`;
+			return;
+		}
 		scanStatus.value = `已识别 ${normalizedText}，可直接登记`;
+		if (autoRegisterEnabled.value) {
+			await doSubmit();
+		}
 		return;
 	}
 	scanStatus.value = `已识别 ${normalizedText}，但未匹配客户档案`;
@@ -404,6 +429,14 @@ async function doSubmit(): Promise<void> {
 	if (!customer) {
 		return;
 	}
+	const customerId = customer.id;
+	if (!customerId) {
+		return;
+	}
+	if (registeredCustomerIdSet.has(customerId)) {
+		Message.warning("该客户已在本页面登记，请勿重复登记");
+		return;
+	}
 	if (!selectedEventIdList.value.length) {
 		Message.warning("请至少选择一个登记事件");
 		return;
@@ -425,12 +458,13 @@ async function doSubmit(): Promise<void> {
 	try {
 		await EventRecordAPI.createBatch(selectedEventIdList.value.map(eventId => ({
 			eventId,
-			customerId: customer.id,
+			customerId,
 			selectedOptionGroupList: resolveRecordOptionGroupList(eventId),
 			numberValue: resolveNumberValue(eventId),
 			remark: "客户快速扫码登记",
 			attachmentList: buildPhotoAttachmentList()
 		})));
+		registeredCustomerIdSet.add(customerId);
 		scanStatus.value = `登记成功：${customer.name || customer.code || scanCode.value}。`;
 		scanCode.value = "";
 		matchedCustomer.value = undefined;