diff --git a/frontend/src/i18n/locales/en/misc.ts b/frontend/src/i18n/locales/en/misc.ts
index d0f35b36db..eae9d237d0 100644
--- a/frontend/src/i18n/locales/en/misc.ts
+++ b/frontend/src/i18n/locales/en/misc.ts
@@ -550,7 +550,7 @@ export default {
       currencyHint: 'Display-only 3-letter ISO currency code shown next to the price; leave empty to hide, does not affect billing',
       subscriptionCnyPayPreview: 'CNY channel charge preview: {amount}',
       subscriptionCnyPayPreviewWithFee: '({feeRate}% fee included: {total})',
-      validityDays: 'Validity (days)',
+      validity: 'Validity',
       validityUnit: 'Validity Unit',
       sortOrder: 'Sort Order',
       forSale: 'For Sale',
@@ -588,7 +588,7 @@ export default {
       selectGroup: 'Select a group',
       groupRequired: 'Please select a subscription group',
       priceRequired: 'Price must be greater than 0',
-      validityDaysRequired: 'Validity days must be greater than 0',
+      validityRequired: 'Validity must be greater than 0',
       groupMissing: 'Missing',
       groupInfo: 'Group Info',
       platform: 'Platform',
diff --git a/frontend/src/i18n/locales/zh/misc.ts b/frontend/src/i18n/locales/zh/misc.ts
index f9b975974d..31247608d7 100644
--- a/frontend/src/i18n/locales/zh/misc.ts
+++ b/frontend/src/i18n/locales/zh/misc.ts
@@ -574,7 +574,7 @@ export default {
       currencyHint: '仅用于价格展示的 ISO 三字母币种码，留空不展示，不影响实际扣款',
       subscriptionCnyPayPreview: 'CNY 通道实扣预览：{amount}',
       subscriptionCnyPayPreviewWithFee: '（含 {feeRate}% 手续费：{total}）',
-      validityDays: '有效期（天）',
+      validity: '有效期',
       validityUnit: '有效期单位',
       sortOrder: '排序',
       forSale: '上架状态',
@@ -612,7 +612,7 @@ export default {
       selectGroup: '请选择分组',
       groupRequired: '请选择订阅分组',
       priceRequired: '价格必须大于 0',
-      validityDaysRequired: '有效期天数必须大于 0',
+      validityRequired: '有效期必须大于 0',
       groupMissing: '缺失',
       groupInfo: '分组信息',
       platform: '平台',
diff --git a/frontend/src/views/admin/orders/AdminPaymentPlansView.vue b/frontend/src/views/admin/orders/AdminPaymentPlansView.vue
index eb4f39a312..17a17a5f18 100644
--- a/frontend/src/views/admin/orders/AdminPaymentPlansView.vue
+++ b/frontend/src/views/admin/orders/AdminPaymentPlansView.vue
@@ -142,7 +142,7 @@ const planColumns = computed((): Column[] => [
   { key: 'name', label: t('payment.admin.planName') },
   { key: 'group_id', label: t('payment.admin.group') },
   { key: 'price', label: t('payment.admin.price') },
-  { key: 'validity_days', label: t('payment.admin.validityDays') },
+  { key: 'validity_days', label: t('payment.admin.validity') },
   { key: 'for_sale', label: t('payment.admin.forSale') },
   { key: 'sort_order', label: t('payment.admin.sortOrder') },
   { key: 'actions', label: t('common.actions') },
diff --git a/frontend/src/views/admin/orders/PlanEditDialog.vue b/frontend/src/views/admin/orders/PlanEditDialog.vue
index 0ddc4cab6a..7535ebc560 100644
--- a/frontend/src/views/admin/orders/PlanEditDialog.vue
+++ b/frontend/src/views/admin/orders/PlanEditDialog.vue
@@ -48,7 +48,7 @@
         <div><label class="input-label">{{ t('payment.admin.originalPrice') }}</label><input v-model.number="planForm.original_price" type="number" step="0.01" min="0" class="input" /></div>
       </div>
       <div class="grid grid-cols-2 gap-4">
-        <div><label class="input-label">{{ t('payment.admin.validityDays') }} <span class="text-red-500">*</span></label><input v-model.number="planForm.validity_days" type="number" min="1" class="input" required /></div>
+        <div><label class="input-label">{{ t('payment.admin.validity') }} <span class="text-red-500">*</span></label><input v-model.number="planForm.validity_days" type="number" min="1" class="input" required /></div>
         <div><label class="input-label">{{ t('payment.admin.validityUnit') }} <span class="text-red-500">*</span></label><Select v-model="planForm.validity_unit" :options="validityUnitOptions" /></div>
       </div>
       <div class="grid grid-cols-2 gap-4">
@@ -211,7 +211,7 @@ async function handleSavePlan() {
     return
   }
   if (!planForm.validity_days || planForm.validity_days < 1) {
-    appStore.showError(t('payment.admin.validityDaysRequired'))
+    appStore.showError(t('payment.admin.validityRequired'))
     return
   }
   saving.value = true