diff --git a/apps/frontend/src/layouts/AdminLayout.tsx b/apps/frontend/src/layouts/AdminLayout.tsx
index 4c929c16..d202203f 100644
--- a/apps/frontend/src/layouts/AdminLayout.tsx
+++ b/apps/frontend/src/layouts/AdminLayout.tsx
@@ -527,6 +527,28 @@ function patchAdminOrderCaches(
   }
 }
 
+function getOrderSortTimestamp(item: unknown): number {
+  if (!item || typeof item !== 'object') return 0
+  const record = item as Record<string, unknown>
+  const timeStr = String(record.paidAt || record.createdAt || '').trim()
+  if (!timeStr) return 0
+  const t = dayjs(timeStr).valueOf()
+  return Number.isFinite(t) ? t : 0
+}
+
+function sortAdminOrdersDesc(items: unknown[]): unknown[] {
+  return [...items].sort((a, b) => {
+    const timeA = getOrderSortTimestamp(a)
+    const timeB = getOrderSortTimestamp(b)
+    if (timeB !== timeA) {
+      return timeB - timeA
+    }
+    const idA = Number((a as Record<string, unknown>)?.orderId || 0)
+    const idB = Number((b as Record<string, unknown>)?.orderId || 0)
+    return idB - idA
+  })
+}
+
 function patchAdminOrderListEnvelope(
   current: unknown,
   event: RealtimeEvent,
@@ -544,6 +566,9 @@ function patchAdminOrderListEnvelope(
       ? items.filter((entry) => Number((entry as { orderId?: unknown })?.orderId) !== id)
       : upsertById(items, event.data, 'orderId', insert)
 
+  // 严格保持按支付/创建时间倒序排列，避免后台同步历史单（如 15/16 号）时盲目插在第 1 行
+  nextItems = sortAdminOrdersDesc(nextItems)
+
   if (insert && nextItems.length > pageSize) {
     nextItems = nextItems.slice(0, pageSize)
   }