diff --git a/miniprogram/src/pages/comprehensive/bookings/private-detail.vue b/miniprogram/src/pages/comprehensive/bookings/private-detail.vue
index ed39994..92a3c79 100644
--- a/miniprogram/src/pages/comprehensive/bookings/private-detail.vue
+++ b/miniprogram/src/pages/comprehensive/bookings/private-detail.vue
@@ -82,7 +82,7 @@
               <text>说明</text>
             </view>
             <view v-for="(rule, idx) in refundQuote.rules" :key="idx" class="refund-rule-row" :class="{ active: rule.description === refundQuote.applicable_tier_description }">
-              <text>{{ formatHoursBefore(rule.hours_before_start) }}</text>
+              <text>{{ formatHoursBefore(rule.hours_before_start, idx) }}</text>
               <text>{{ rule.refund_percentage }}%</text>
               <text>{{ rule.description }}</text>
             </view>
@@ -165,12 +165,12 @@ const confirmCancelBooking = async () => {
   }
 }
 
-const formatHoursBefore = (hours) => {
+const formatHoursBefore = (hours, idx) => {
   const h = Number(hours)
-  if (h >= 24) return '>24小时'
-  if (h >= 12) return '12-24小时'
-  if (h >= 0) return '0-12小时'
-  return `${h}小时`
+  const rules = refundQuote.value?.rules || []
+  if (idx === 0 || h >= 24) return `>${h}小时`
+  const prev = Number(rules[idx - 1]?.hours_before_start ?? h)
+  return `${h}-${prev}小时`
 }
 </script>