diff --git a/frontend/src/utils/time.ts b/frontend/src/utils/time.ts
new file mode 100644
index 0000000..cf1b804
--- /dev/null
+++ b/frontend/src/utils/time.ts
@@ -0,0 +1,23 @@
+type DateInput = string | number | Date | null | undefined
+
+export function formatDateTime(value: DateInput, fallback = '-') {
+  if (!value) return fallback
+  const date = value instanceof Date ? value : new Date(value)
+  if (Number.isNaN(date.getTime())) {
+    return typeof value === 'string' && value.trim() ? value.replace('T', ' ') : fallback
+  }
+  return [
+    date.getFullYear(),
+    pad(date.getMonth() + 1),
+    pad(date.getDate()),
+  ].join('-') + ` ${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`
+}
+
+export function formatDateMinute(value: DateInput, fallback = '-') {
+  const formatted = formatDateTime(value, fallback)
+  return formatted === fallback ? fallback : formatted.slice(0, 16)
+}
+
+function pad(value: number) {
+  return String(value).padStart(2, '0')
+}
diff --git a/frontend/src/views/account/NotificationsView.vue b/frontend/src/views/account/NotificationsView.vue
index 068c0b5..1890ebe 100644
--- a/frontend/src/views/account/NotificationsView.vue
+++ b/frontend/src/views/account/NotificationsView.vue
@@ -3,6 +3,7 @@ import { ElMessage } from 'element-plus'
 import { onMounted, ref } from 'vue'
 
 import { fetchNotifications, markNotificationRead, type NotificationItem } from '@/api/notifications'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const notifications = ref<NotificationItem[]>([])
@@ -40,7 +41,7 @@ async function markRead(id: number) {
           <span>{{ item.type }}</span>
           <h2>{{ item.title }}</h2>
           <p>{{ item.content }}</p>
-          <small>{{ item.created_at }}</small>
+          <small>{{ formatDateTime(item.created_at) }}</small>
         </div>
         <div class="notification-actions">
           <RouterLink v-if="item.biz_type === 'order' && item.biz_id" :to="`/orders/${item.biz_id}`">
diff --git a/frontend/src/views/account/OrderDetailView.vue b/frontend/src/views/account/OrderDetailView.vue
index 89f1dde..7045ad0 100644
--- a/frontend/src/views/account/OrderDetailView.vue
+++ b/frontend/src/views/account/OrderDetailView.vue
@@ -17,6 +17,7 @@ import {
   type Order,
 } from '@/api/orders'
 import { useSessionStore } from '@/stores/session'
+import { formatDateTime } from '@/utils/time'
 
 const route = useRoute()
 const router = useRouter()
@@ -207,8 +208,8 @@ function readError(error: unknown, fallback: string) {
 
     <div v-if="order" class="order-panel">
       <p>租期：{{ order.rent_hours }} 小时</p>
-      <p>开始：{{ order.rent_start_at || '未开始' }}</p>
-      <p>结束：{{ order.rent_end_at || '未设置' }}</p>
+      <p>开始：{{ formatDateTime(order.rent_start_at, '未开始') }}</p>
+      <p>结束：{{ formatDateTime(order.rent_end_at, '未设置') }}</p>
       <el-button v-if="order.status === 'pending_handoff'" type="danger" :loading="cancelling" @click="handleCancel">
         取消订单并释放账号
       </el-button>
@@ -220,7 +221,7 @@ function readError(error: unknown, fallback: string) {
       <div v-for="record in handoffRecords" :key="record.id" class="timeline-item">
         <strong>{{ record.type }}</strong>
         <p>{{ record.content }}</p>
-        <span>{{ record.created_at }}</span>
+        <span>{{ formatDateTime(record.created_at) }}</span>
       </div>
     </div>
 
diff --git a/frontend/src/views/account/RealnameView.vue b/frontend/src/views/account/RealnameView.vue
index fce3ad8..3c8319e 100644
--- a/frontend/src/views/account/RealnameView.vue
+++ b/frontend/src/views/account/RealnameView.vue
@@ -4,6 +4,7 @@ import { onMounted, reactive, ref } from 'vue'
 
 import { getRealnameStatus, startRealname, type RealnameStatus } from '@/api/realname'
 import { useSessionStore } from '@/stores/session'
+import { formatDateTime } from '@/utils/time'
 
 const session = useSessionStore()
 const loading = ref(false)
@@ -61,7 +62,7 @@ function readError(error: unknown, fallback: string) {
       <strong>{{ status.status }}</strong>
       <p v-if="status.masked_name">姓名：{{ status.masked_name }}</p>
       <p v-if="status.masked_id_no">证件号：{{ status.masked_id_no }}</p>
-      <p v-if="status.verified_at">通过时间：{{ status.verified_at }}</p>
+      <p v-if="status.verified_at">通过时间：{{ formatDateTime(status.verified_at) }}</p>
     </div>
 
     <el-form class="login-form" label-position="top">
diff --git a/frontend/src/views/account/WalletView.vue b/frontend/src/views/account/WalletView.vue
index 7d125ca..593e29e 100644
--- a/frontend/src/views/account/WalletView.vue
+++ b/frontend/src/views/account/WalletView.vue
@@ -2,6 +2,7 @@
 import { onMounted, ref } from 'vue'
 
 import { fetchWalletBalance, fetchWalletLedger, type WalletAccount, type WalletLedger } from '@/api/wallet'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const account = ref<WalletAccount | null>(null)
@@ -52,7 +53,9 @@ async function loadWallet() {
       <el-table-column prop="balance_type" label="余额类型" width="110" />
       <el-table-column prop="balance_after" label="变化后余额" width="130" />
       <el-table-column prop="remark" label="备注" min-width="220" />
-      <el-table-column prop="created_at" label="时间" width="180" />
+      <el-table-column label="时间" width="180">
+        <template #default="{ row }">{{ formatDateTime(row.created_at) }}</template>
+      </el-table-column>
     </el-table>
   </section>
 </template>
diff --git a/frontend/src/views/admin/AdminAuditLogsView.vue b/frontend/src/views/admin/AdminAuditLogsView.vue
index 62edd2e..3af6f29 100644
--- a/frontend/src/views/admin/AdminAuditLogsView.vue
+++ b/frontend/src/views/admin/AdminAuditLogsView.vue
@@ -3,6 +3,7 @@ import { Search } from '@element-plus/icons-vue'
 import { computed, onMounted, reactive, ref } from 'vue'
 
 import { fetchAdminAuditLogs, type AdminAuditLog } from '@/api/adminAudit'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const logs = ref<AdminAuditLog[]>([])
@@ -133,7 +134,9 @@ function actionType(action: string) {
       <el-table-column prop="biz_id" label="业务 ID" width="100" />
       <el-table-column prop="ip" label="IP" min-width="130" />
       <el-table-column prop="user_agent" label="User-Agent" min-width="240" show-overflow-tooltip />
-      <el-table-column prop="created_at" label="时间" min-width="180" />
+      <el-table-column label="时间" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.created_at) }}</template>
+      </el-table-column>
       <el-table-column label="操作" width="100">
         <template #default="{ row }">
           <el-button size="small" @click="activeLog = row">明细</el-button>
diff --git a/frontend/src/views/admin/AdminDashboardView.vue b/frontend/src/views/admin/AdminDashboardView.vue
index 7631a1a..455d3ee 100644
--- a/frontend/src/views/admin/AdminDashboardView.vue
+++ b/frontend/src/views/admin/AdminDashboardView.vue
@@ -2,6 +2,7 @@
 import { onMounted, ref } from 'vue'
 
 import { fetchAdminDashboard, type AdminDashboard } from '@/api/adminDashboard'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const dashboard = ref<AdminDashboard | null>(null)
@@ -120,7 +121,9 @@ function money(value?: number) {
       <el-table-column prop="status" label="状态" width="140" />
       <el-table-column prop="rent_amount" label="租金" width="100" />
       <el-table-column prop="deposit_amount" label="押金" width="100" />
-      <el-table-column prop="created_at" label="创建时间" min-width="180" />
+      <el-table-column label="创建时间" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.created_at) }}</template>
+      </el-table-column>
     </el-table>
 
     <el-table v-if="dashboard" class="table-panel" :data="dashboard.recent_disputes">
@@ -128,7 +131,9 @@ function money(value?: number) {
       <el-table-column prop="title" label="账号" min-width="170" />
       <el-table-column prop="type" label="类型" width="160" />
       <el-table-column prop="status" label="状态" width="120" />
-      <el-table-column prop="created_at" label="创建时间" min-width="180" />
+      <el-table-column label="创建时间" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.created_at) }}</template>
+      </el-table-column>
       <el-table-column label="操作" width="100">
         <template #default>
           <RouterLink to="/admin/disputes">
diff --git a/frontend/src/views/admin/AdminListingDetailView.vue b/frontend/src/views/admin/AdminListingDetailView.vue
index 7d873cf..6591951 100644
--- a/frontend/src/views/admin/AdminListingDetailView.vue
+++ b/frontend/src/views/admin/AdminListingDetailView.vue
@@ -5,6 +5,7 @@ import { useRoute } from 'vue-router'
 
 import { fetchAdminFileBlob } from '@/api/files'
 import { adminMarkListingAbnormal, adminOfflineListing, fetchAdminListing, type Listing } from '@/api/listings'
+import { formatDateTime } from '@/utils/time'
 
 const route = useRoute()
 const loading = ref(false)
@@ -145,8 +146,8 @@ function readError(error: unknown, fallback: string) {
       <h2>说明与审核原因</h2>
       <p>{{ listing.description || '暂无商品说明' }}</p>
       <p>审核/后台原因：{{ listing.review_reason || '-' }}</p>
-      <p>上架时间：{{ listing.published_at || '-' }}</p>
-      <p>更新时间：{{ listing.updated_at }}</p>
+      <p>上架时间：{{ formatDateTime(listing.published_at) }}</p>
+      <p>更新时间：{{ formatDateTime(listing.updated_at) }}</p>
     </div>
 
     <div v-if="listing" class="order-panel dashboard-panel">
diff --git a/frontend/src/views/admin/AdminListingReviewView.vue b/frontend/src/views/admin/AdminListingReviewView.vue
index a3cea94..653bc80 100644
--- a/frontend/src/views/admin/AdminListingReviewView.vue
+++ b/frontend/src/views/admin/AdminListingReviewView.vue
@@ -4,6 +4,7 @@ import { onMounted, ref } from 'vue'
 
 import { fetchAdminFileBlob } from '@/api/files'
 import { approveListing, fetchPendingReviewListings, rejectListing, type Listing } from '@/api/listings'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const submitting = ref(false)
@@ -115,7 +116,9 @@ function readError(error: unknown, fallback: string) {
           </el-button>
         </template>
       </el-table-column>
-      <el-table-column prop="updated_at" label="提交时间" min-width="180" />
+      <el-table-column label="提交时间" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.updated_at) }}</template>
+      </el-table-column>
       <el-table-column label="操作" width="170">
         <template #default="{ row }">
           <el-button size="small" type="primary" :loading="submitting" @click="handleApprove(row)">通过</el-button>
diff --git a/frontend/src/views/admin/AdminListingsView.vue b/frontend/src/views/admin/AdminListingsView.vue
index 9f36538..737cc85 100644
--- a/frontend/src/views/admin/AdminListingsView.vue
+++ b/frontend/src/views/admin/AdminListingsView.vue
@@ -3,6 +3,7 @@ import { Search } from '@element-plus/icons-vue'
 import { computed, onMounted, reactive, ref } from 'vue'
 
 import { fetchAdminListings, type Listing } from '@/api/listings'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const listings = ref<Listing[]>([])
@@ -152,8 +153,12 @@ function reviewType(status: string) {
           <el-tag :type="reviewType(row.review_status)">{{ row.review_status }}</el-tag>
         </template>
       </el-table-column>
-      <el-table-column prop="published_at" label="上架时间" min-width="180" />
-      <el-table-column prop="updated_at" label="更新时间" min-width="180" />
+      <el-table-column label="上架时间" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.published_at) }}</template>
+      </el-table-column>
+      <el-table-column label="更新时间" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.updated_at) }}</template>
+      </el-table-column>
       <el-table-column label="操作" width="110">
         <template #default="{ row }">
           <RouterLink :to="`/admin/listings/${row.id}`">
diff --git a/frontend/src/views/admin/AdminOrderDetailView.vue b/frontend/src/views/admin/AdminOrderDetailView.vue
index 652db69..077fa53 100644
--- a/frontend/src/views/admin/AdminOrderDetailView.vue
+++ b/frontend/src/views/admin/AdminOrderDetailView.vue
@@ -4,6 +4,7 @@ import { computed, onMounted, ref } from 'vue'
 import { useRoute } from 'vue-router'
 
 import { adminCloseOrder, adminMarkOrderAbnormal, fetchAdminHandoffRecords, fetchAdminOrder, type HandoffRecord, type Order } from '@/api/orders'
+import { formatDateTime } from '@/utils/time'
 
 const route = useRoute()
 const loading = ref(false)
@@ -105,8 +106,8 @@ function readError(error: unknown, fallback: string) {
         <p>租客：{{ order.renter_phone || order.renter_id }}</p>
         <p>号主：{{ order.owner_phone || order.owner_id }}</p>
         <p>租期：{{ order.rent_hours }} 小时</p>
-        <p>开始：{{ order.rent_start_at || '未开始' }}</p>
-        <p>结束：{{ order.rent_end_at || '未设置' }}</p>
+        <p>开始：{{ formatDateTime(order.rent_start_at, '未开始') }}</p>
+        <p>结束：{{ formatDateTime(order.rent_end_at, '未设置') }}</p>
       </div>
 
       <div class="order-panel dashboard-panel">
@@ -115,7 +116,7 @@ function readError(error: unknown, fallback: string) {
         <div v-for="record in handoffRecords" :key="record.id" class="timeline-item">
           <strong>{{ record.type }}</strong>
           <p>{{ record.content }}</p>
-          <span>{{ record.created_at }}</span>
+          <span>{{ formatDateTime(record.created_at) }}</span>
         </div>
       </div>
     </div>
diff --git a/frontend/src/views/admin/AdminOrdersView.vue b/frontend/src/views/admin/AdminOrdersView.vue
index 73dec19..d2a76fc 100644
--- a/frontend/src/views/admin/AdminOrdersView.vue
+++ b/frontend/src/views/admin/AdminOrdersView.vue
@@ -2,6 +2,7 @@
 import { computed, onMounted, ref } from 'vue'
 
 import { fetchAdminOrders, type Order } from '@/api/orders'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const orders = ref<Order[]>([])
@@ -58,7 +59,9 @@ async function loadOrders() {
       <el-table-column prop="settlement_status" label="结算" width="120" />
       <el-table-column prop="rent_amount" label="租金" width="100" />
       <el-table-column prop="deposit_amount" label="押金" width="100" />
-      <el-table-column prop="created_at" label="创建时间" min-width="180" />
+      <el-table-column label="创建时间" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.created_at) }}</template>
+      </el-table-column>
       <el-table-column label="操作" width="100">
         <template #default="{ row }">
           <RouterLink :to="`/admin/orders/${row.id}`">
diff --git a/frontend/src/views/admin/AdminSystemConfigsView.vue b/frontend/src/views/admin/AdminSystemConfigsView.vue
index a1606b9..512a418 100644
--- a/frontend/src/views/admin/AdminSystemConfigsView.vue
+++ b/frontend/src/views/admin/AdminSystemConfigsView.vue
@@ -15,6 +15,7 @@ import {
 } from '@/api/homeConfig'
 import { uploadAdminFile } from '@/api/files'
 import { fetchSystemConfigs, updateSystemConfig, type SystemConfig } from '@/api/systemConfigs'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const submitting = ref(false)
@@ -296,7 +297,7 @@ async function handleHomeBannerUpload(event: Event, index: number) {
 
 function formatHomeConfigStatus(row: SystemConfig | null, fallback: string) {
   if (!row) return fallback
-  return row.updated_at || fallback
+  return formatDateTime(row.updated_at, fallback)
 }
 
 function formatConfigValue(row: SystemConfig) {
@@ -403,7 +404,9 @@ function readError(error: unknown, fallback: string) {
       </el-table-column>
       <el-table-column prop="description" label="说明" min-width="260" show-overflow-tooltip />
       <el-table-column prop="updated_by" label="更新人" width="100" />
-      <el-table-column prop="updated_at" label="更新时间" min-width="180" />
+      <el-table-column label="更新时间" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.updated_at) }}</template>
+      </el-table-column>
       <el-table-column label="操作" width="100">
         <template #default="{ row }">
           <el-button size="small" @click="openEdit(row)">编辑</el-button>
diff --git a/frontend/src/views/admin/AdminUsersView.vue b/frontend/src/views/admin/AdminUsersView.vue
index f10635d..7fd7a04 100644
--- a/frontend/src/views/admin/AdminUsersView.vue
+++ b/frontend/src/views/admin/AdminUsersView.vue
@@ -3,6 +3,7 @@ import { ElMessage } from 'element-plus'
 import { onMounted, ref } from 'vue'
 
 import { fetchAdminUsers, freezeAdminUser, unfreezeAdminUser, type AdminUserItem } from '@/api/adminUsers'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const submitting = ref(false)
@@ -85,7 +86,9 @@ function readError(error: unknown, fallback: string) {
       <el-table-column prop="order_count" label="订单" width="90" />
       <el-table-column prop="listing_count" label="发布" width="90" />
       <el-table-column prop="dispute_count" label="申诉" width="90" />
-      <el-table-column prop="last_login_at" label="最近登录" min-width="180" />
+      <el-table-column label="最近登录" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.last_login_at) }}</template>
+      </el-table-column>
       <el-table-column label="操作" width="150">
         <template #default="{ row }">
           <el-button v-if="row.status === 'active'" size="small" type="danger" :loading="submitting" @click="openFreeze(row)">
diff --git a/frontend/src/views/admin/AdminWalletLedgerView.vue b/frontend/src/views/admin/AdminWalletLedgerView.vue
index 95c8728..1233624 100644
--- a/frontend/src/views/admin/AdminWalletLedgerView.vue
+++ b/frontend/src/views/admin/AdminWalletLedgerView.vue
@@ -3,6 +3,7 @@ import { Search } from '@element-plus/icons-vue'
 import { computed, onMounted, reactive, ref } from 'vue'
 
 import { fetchAdminWalletLedger, type AdminWalletLedger } from '@/api/adminWallet'
+import { formatDateTime } from '@/utils/time'
 
 const loading = ref(false)
 const ledger = ref<AdminWalletLedger[]>([])
@@ -136,7 +137,9 @@ function directionLabel(direction: string) {
         <template #default="{ row }">{{ money(Number(row.balance_after)) }}</template>
       </el-table-column>
       <el-table-column prop="remark" label="备注" min-width="220" />
-      <el-table-column prop="created_at" label="创建时间" min-width="180" />
+      <el-table-column label="创建时间" min-width="180">
+        <template #default="{ row }">{{ formatDateTime(row.created_at) }}</template>
+      </el-table-column>
     </el-table>
   </section>
 </template>
diff --git a/frontend/src/views/mobile/MobileOrdersView.vue b/frontend/src/views/mobile/MobileOrdersView.vue
index bb5ce0a..318d3de 100644
--- a/frontend/src/views/mobile/MobileOrdersView.vue
+++ b/frontend/src/views/mobile/MobileOrdersView.vue
@@ -4,6 +4,7 @@ import { useRouter, useRoute } from "vue-router";
 import { showToast } from "vant";
 
 import { fetchOrders, type Order } from "@/api/orders";
+import { formatDateMinute } from "@/utils/time";
 
 const router = useRouter();
 const route = useRoute();
@@ -157,7 +158,7 @@ function goDetail(id: number) {
 
         <!-- 卡片底：时间 + 操作 -->
         <div class="card-footer">
-          <span class="order-time">{{ order.created_at?.slice(0, 16) }}</span>
+          <span class="order-time">{{ formatDateMinute(order.created_at) }}</span>
           <span class="detail-link">查看详情 ›</span>
         </div>
       </div>
diff --git a/frontend/src/views/mobile/MobileRealnameView.vue b/frontend/src/views/mobile/MobileRealnameView.vue
index 1a46ca2..8ffebe1 100644
--- a/frontend/src/views/mobile/MobileRealnameView.vue
+++ b/frontend/src/views/mobile/MobileRealnameView.vue
@@ -8,6 +8,7 @@ import {
   type RealnameStatus,
 } from "@/api/realname";
 import { useSessionStore } from "@/stores/session";
+import { formatDateTime } from "@/utils/time";
 
 const session = useSessionStore();
 const router = useRouter();
@@ -115,7 +116,7 @@ async function handleSubmit() {
           证件号：{{ status.masked_id_no }}
         </p>
         <p v-if="status.verified_at" class="status-detail">
-          通过时间：{{ status.verified_at }}
+          通过时间：{{ formatDateTime(status.verified_at) }}
         </p>
       </section>