diff --git a/property-uniapp-project/App.vue b/property-uniapp-project/App.vue
index 08bf570..2c04afb 100644
--- a/property-uniapp-project/App.vue
+++ b/property-uniapp-project/App.vue
@@ -1,6 +1,6 @@
 <script setup>
 	import { onLaunch,onShow,onHide } from '@dcloudio/uni-app'
-	import { isPublicPath } from '@/common/checkLogin.js'
+	import { isPublicPath, requireLogin } from '@/common/checkLogin.js'
 
 	let cidRetryTimer = null
 	let cidRetryCount = 0
@@ -27,10 +27,8 @@
 			invoke(args) {
 				const t = uni.getStorageSync('token')
 				if (!t && !isPublicPath(args.url)) {
-					uni.showToast({ title: '请先登录', icon: 'none' })
-					setTimeout(() => {
-						uni.navigateTo({ url: '/pageSubPack/loginSub/login?mode=pwd' })
-					}, 1000)
+					// 使用 requireLogin 统一处理，自带防重复锁
+					requireLogin({ message: '请先登录', redirect: true })
 					return false
 				}
 			}
diff --git a/property-uniapp-project/common/checkLogin.js b/property-uniapp-project/common/checkLogin.js
index b5f5b2a..caeb577 100644
--- a/property-uniapp-project/common/checkLogin.js
+++ b/property-uniapp-project/common/checkLogin.js
@@ -6,6 +6,10 @@
  *   if (!requireLogin()) return
  *
  * 页面级调用即可，全局 navigateTo 拦截器（App.vue onLaunch 中注册）作为兜底。
+ *
+ * 防重复机制：
+ *   _loginPending    — requireLogin 立即设置，阻止在 setTimeout 等待期内重复调度
+ *   _loginNavigating — navigateToLogin 设置，阻止实际跳转重复
  */
 
 /** 无需登录即可访问的页面路径白名单（全局拦截器使用） */
@@ -18,6 +22,73 @@ export const PUBLIC_PATHS = [
 	'/pages/navigation/navigation'
 ]
 
+// ==================== 登录页跳转防重复锁 ====================
+// 使用 getApp().globalData 存储，避免模块被分包/异步 chunk 多次实例化导致锁失效
+
+function getLock() {
+	const app = getApp()
+	if (!app.globalData) app.globalData = {}
+	return app.globalData
+}
+
+/**
+ * 判断当前是否已在登录页
+ */
+function isOnLoginPage() {
+	const pages = getCurrentPages()
+	if (!pages || pages.length === 0) return false
+	const route = pages[pages.length - 1].route || ''
+	return route.includes('loginSub/login')
+}
+
+/**
+ * 跳转到登录页（统一入口，带防重复锁）
+ * 所有需要跳转登录页的地方都应调用此函数，不要直接调用 uni.navigateTo / uni.reLaunch
+ *
+ * @param {object} [options]
+ * @param {string} [options.method='navigateTo'] - 跳转方式：'navigateTo' | 'reLaunch' | 'redirectTo'
+ * @param {string} [options.url='/pageSubPack/loginSub/login?mode=pwd'] - 目标 url
+ */
+export function navigateToLogin(options = {}) {
+	const {
+		method = 'navigateTo',
+		url = '/pageSubPack/loginSub/login?mode=pwd'
+	} = options
+
+	// 已经在登录页，跳过
+	if (isOnLoginPage()) return
+
+	const lock = getLock()
+
+	// reLaunch 优先级最高，强制放行（用于 token 过期、退出登录等场景）
+	if (method !== 'reLaunch' && lock._loginNavigating) return
+
+	lock._loginNavigating = true
+
+	const navFn = uni[method]
+	if (!navFn) {
+		lock._loginNavigating = false
+		return
+	}
+
+	navFn({
+		url,
+		fail() {
+			// 跳转失败时重置锁，允许后续重试
+			lock._loginNavigating = false
+		}
+	})
+}
+
+/**
+ * 重置登录跳转锁（登录页 onLoad 时调用）
+ */
+export function resetLoginLock() {
+	const lock = getLock()
+	lock._loginPending = false
+	lock._loginNavigating = false
+}
+
 /**
  * 判断指定路径是否为公开页面（无需登录）
  * @param {string} url - navigateTo 的目标 url
@@ -40,15 +111,21 @@ export function isPublicPath(url) {
 export function requireLogin(options = {}) {
 	const {
 		message = '请先登录',
-			redirect = true
+		redirect = true
 	} = options
 	const token = uni.getStorageSync('token')
 	if (token) return true
 
 	uni.showToast({ title: message, icon: 'none' })
 	if (redirect) {
+		// 立即加锁，防止在 setTimeout 等待期内重复调度
+		const lock = getLock()
+		if (lock._loginPending) return false
+		lock._loginPending = true
+
 		setTimeout(() => {
-			uni.navigateTo({ url: '/pageSubPack/loginSub/login?mode=pwd' })
+			lock._loginPending = false
+			navigateToLogin({ method: 'navigateTo' })
 		}, 1000)
 	}
 	return false
diff --git a/property-uniapp-project/pageSubPack/api/request.js b/property-uniapp-project/pageSubPack/api/request.js
index 1555ac9..30ef96e 100644
--- a/property-uniapp-project/pageSubPack/api/request.js
+++ b/property-uniapp-project/pageSubPack/api/request.js
@@ -1,3 +1,5 @@
+import { navigateToLogin } from '@/common/checkLogin.js'
+
 let baseUrl = '';
 if (process.env.NODE_ENV === 'development') {
 	baseUrl = 'http://192.168.1.222:8080'; // 开发环境
@@ -42,7 +44,7 @@ export default function request(url, data = {}, method = "GET") {
 				if (resData.code === 401) {
 					if (token) {
 						uni.clearStorageSync('token');
-						uni.reLaunch({ url: '/pageSubPack/loginSub/login?mode=pwd' });
+						navigateToLogin({ method: 'reLaunch' });
 					}
 					reject({ msg: '登录过期', code: 401 });
 					return;
diff --git a/property-uniapp-project/pageSubPack/loginSub/login.vue b/property-uniapp-project/pageSubPack/loginSub/login.vue
index 0a0ebc5..666f6d7 100644
--- a/property-uniapp-project/pageSubPack/loginSub/login.vue
+++ b/property-uniapp-project/pageSubPack/loginSub/login.vue
@@ -90,6 +90,7 @@ import { ref, computed, onUnmounted } from 'vue';
 import { onLoad } from '@dcloudio/uni-app'
 import { getLoginBySms, getLoginPassword, getSendCode } from '../api/api.js'
 import PrivacyPopup from '@/components/privacy-popup/privacy-popup.vue'
+import { resetLoginLock } from '@/common/checkLogin.js'
 
 // ========== 模式切换 ==========
 // 'sms' = 手机验证码登录, 'pwd' = 账号密码登录
@@ -113,6 +114,8 @@ const pendingAction = ref('')
 
 // ========== onLoad: 读取 mode 参数 ==========
 onLoad((options) => {
+  // 重置登录跳转锁，允许下次未登录时再次跳转
+  resetLoginLock()
   if (options && options.mode === 'sms') {
     loginMode.value = 'sms'
   } else if (options && options.mode === 'pwd') {
diff --git a/property-uniapp-project/pageSubPack/my/addCar.vue b/property-uniapp-project/pageSubPack/my/addCar.vue
index a882445..462e624 100644
--- a/property-uniapp-project/pageSubPack/my/addCar.vue
+++ b/property-uniapp-project/pageSubPack/my/addCar.vue
@@ -83,6 +83,7 @@
 
 	const id = ref(undefined)
 	const type = ref('')
+	const isSubmitting = ref(false)
 	const formData = ref({
 		// carNum: uni.getStorageSync('carNum'),
 		// carBrand: uni.getStorageSync('carBrand'),
@@ -202,14 +203,25 @@
 		}
 	}
 
+	// 车牌号正则：省份简称 + 城市代码字母 + 5位(蓝牌)或6位(新能源绿牌)字母数字
+	const CAR_NUM_REGEX = /^[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤川青藏琼宁][A-Z][A-Z0-9]{5,6}$/
+
 	const saveCar = async () => {
+		if (isSubmitting.value) return
 		if (!formData.value.carNum) {
 			return uni.showToast({
 				title: "请输入车牌号",
 				icon: "none"
 			})
 		}
+		if (!CAR_NUM_REGEX.test(formData.value.carNum)) {
+			return uni.showToast({
+				title: "请输入正确的车牌号",
+				icon: "none"
+			})
+		}
 
+		isSubmitting.value = true
 		uni.showLoading({
 			title: '提交中...',
 			mask: true
@@ -232,6 +244,7 @@
 
 			submitCarData(carImageUrl)
 		} catch (err) {
+			isSubmitting.value = false
 			uni.hideLoading()
 			uni.showToast({
 				title: err.msg || '网络异常',
@@ -260,6 +273,7 @@
 			params.id = id.value
 			putCar(params).then(res => {
 				console.log(res);
+					isSubmitting.value = false
 				uni.hideLoading()
 				if (res.code === 200) {
 					uni.showToast({
@@ -274,9 +288,10 @@
 							uni.removeStorageSync("carImageUrl")
 							uni.removeStorageSync("carBrandId")
 							uni.removeStorageSync("checkType")
-							uni.redirectTo({ url: "/pageSubPack/my/myCarIndex" })
+							uni.navigateBack()
 					}, 1500)
 				} else {
+						isSubmitting.value = false
 					uni.showToast({
 						title: res.msg || '提交失败',
 						icon: 'none'
@@ -285,6 +300,7 @@
 			})
 		}else{
 			postCar(params).then(res => {
+				isSubmitting.value = false
 				uni.hideLoading()
 				if (res.code === 200) {
 					uni.showToast({
@@ -299,9 +315,10 @@
 							uni.removeStorageSync("carImageUrl")
 							uni.removeStorageSync("carBrandId")
 							uni.removeStorageSync("checkType")
-							uni.redirectTo({ url: "/pageSubPack/my/myCarIndex" })
+							uni.navigateBack()
 					}, 1500)
 				} else {
+						isSubmitting.value = false
 					uni.showToast({
 						title: res.msg || '提交失败',
 						icon: 'none'
@@ -467,4 +484,4 @@
 		color: #999 !important;
 		font-size: 28rpx !important;
 	}
-</style>
\ No newline at end of file
+</style>
diff --git a/property-uniapp-project/pageSubPack/my/carDetail.vue b/property-uniapp-project/pageSubPack/my/carDetail.vue
index 98ba203..d5aba19 100644
--- a/property-uniapp-project/pageSubPack/my/carDetail.vue
+++ b/property-uniapp-project/pageSubPack/my/carDetail.vue
@@ -63,6 +63,7 @@
 
 	const statusBarHeight = ref(20)
 	const currentStatus = ref('')
+	const isDeleting = ref(false)
 	const id = ref(undefined)
 	const form = ref({
 		plateNo: '',
@@ -110,11 +111,13 @@
 	}
 
 	const onDelete = () => {
+		if (isDeleting.value) return
 		uni.showModal({
 			title: "确认删除",
 			content: "确认删除此车辆信息吗?",
 			success: (res) => {
 				if (res.confirm) {
+					isDeleting.value = true
 					uni.showLoading({
 						title: '删除中...',
 						mask: true
@@ -122,6 +125,7 @@
 					deleteCar({
 						carId: id.value
 					}).then(deleteRes => {
+						isDeleting.value = false
 						uni.hideLoading()
 						if (deleteRes.code === 200) {
 							uni.showToast({
@@ -129,7 +133,7 @@
 								icon: 'success'
 							})
 							setTimeout(() => {
-									uni.redirectTo({ url: "/pageSubPack/my/myCarIndex" })
+									uni.navigateBack()
 							}, 1500)
 						} else {
 							uni.showToast({
diff --git a/property-uniapp-project/pageSubPack/my/myCarIndex.vue b/property-uniapp-project/pageSubPack/my/myCarIndex.vue
index 077a035..649b774 100644
--- a/property-uniapp-project/pageSubPack/my/myCarIndex.vue
+++ b/property-uniapp-project/pageSubPack/my/myCarIndex.vue
@@ -40,6 +40,9 @@
 	import {
 		getMyCarList
 	} from '@/pageSubPack/api/apiSub.js'
+	import {
+		onShow
+	} from '@dcloudio/uni-app'
 	const statusBarHeight = ref(20)
 	const defaultCarImg = "http://47.104.199.163:9090/images/propertyImgs/defaultCarImg.png"
 	const carList = ref([])
@@ -61,9 +64,17 @@
 	}
 
 	// 页面加载时请求第一页
-	onMounted(() => {
-		getList()
-	})
+		onMounted(() => {
+			getList()
+		})
+		// 从子页面返回时刷新列表（如新增/编辑/删除车辆后）
+		onShow(() => {
+			pageNum.value = 1
+			noMoreData.value = false
+			loadingMore.value = false
+			carList.value = []
+			getList()
+		})
 	const getList = async () => {
 		// 防重复请求
 		if (loadingMore.value || noMoreData.value) return
@@ -268,4 +279,4 @@
 		width: 100vw;
 		height: 46px;
 	}
-</style>
\ No newline at end of file
+</style>