diff --git a/src/components/NodeCard.tsx b/src/components/NodeCard.tsx
index 35c2210..6273bcf 100644
--- a/src/components/NodeCard.tsx
+++ b/src/components/NodeCard.tsx
@@ -9,7 +9,7 @@ import { Badge } from "@/components/ui/badge"
 import { Card } from "@/components/ui/card"
 import { Meter } from "@/components/Meter"
 import type { Node } from "@/lib/api"
-import { bytes, CYCLES, daysUntil, FOREVER, money, osName, pair, percent, rate, uptime } from "@/lib/format"
+import { bytes, cycle, daysUntil, FOREVER, money, osName, pair, percent, rate, uptime } from "@/lib/format"
 import { cn } from "@/lib/utils"
 
 // Emitted as files and fetched on first use, so a page carries only the flags its
@@ -266,7 +266,7 @@ function Price({ node }: { node: Node }) {
     <span className="inline-flex items-center gap-1.5 text-xs text-muted-foreground">
       {icon}
       <span className="tnum truncate">
-        {money(node.price, node.currency)} / {CYCLES[node.billing_cycle] ?? node.billing_cycle}
+        {money(node.price, node.currency)} / {cycle(node.billing_cycle)}
       </span>
     </span>
   )
diff --git a/src/components/NodeDetail.tsx b/src/components/NodeDetail.tsx
index d8be1fc..68e7df4 100644
--- a/src/components/NodeDetail.tsx
+++ b/src/components/NodeDetail.tsx
@@ -15,7 +15,7 @@ import { ChartTooltip, Crosshair, Swatch } from "@/components/ChartTooltip"
 import { Country, Status } from "@/components/NodeCard"
 import { api, type Node } from "@/lib/api"
 import {
-  axisBytes, axisTop, bytes, clockFor, despike, quarters, cpuName, CYCLES, FOREVER, money, osName, rate,
+  axisBytes, axisTop, bytes, clockFor, despike, quarters, cpuName, cycle, FOREVER, money, osName, rate,
   stamp, timeTicks,
 } from "@/lib/format"
 import type { Availability } from "@/lib/uptime"
@@ -556,7 +556,7 @@ export function NodeDetail({ node, showPeak, onBack }: {
           label="续费"
           value={[
             node.price > 0
-              ? `${money(node.price, node.currency)} / ${CYCLES[node.billing_cycle] ?? node.billing_cycle}`
+              ? `${money(node.price, node.currency)} / ${cycle(node.billing_cycle)}`
               : "免费",
             node.expires_at ? `${node.expires_at} 到期` : FOREVER,
           ].join(" · ")}
diff --git a/src/components/NodeTable.tsx b/src/components/NodeTable.tsx
index 4950d69..d5e502c 100644
--- a/src/components/NodeTable.tsx
+++ b/src/components/NodeTable.tsx
@@ -3,7 +3,7 @@ import { ArrowDown, ArrowUp, ArrowUpDown } from "lucide-react"
 
 import { Country, StatusDot, monthUsage, statusLabel } from "@/components/NodeCard"
 import type { Node } from "@/lib/api"
-import { CYCLES, FOREVER, bytes, daysUntil, money, osName, pair, percent, rate } from "@/lib/format"
+import { cycle, FOREVER, bytes, daysUntil, money, osName, pair, percent, rate } from "@/lib/format"
 import { cn } from "@/lib/utils"
 
 type SortKey = "name" | "cpu" | "mem" | "disk" | "traffic" | "expiry"
@@ -107,7 +107,7 @@ const COLUMNS: {
     className: "hidden lg:table-cell",
     cell: (n) => (
       <span className="block truncate text-xs text-muted-foreground">
-        {n.price > 0 ? `${money(n.price, n.currency)} / ${CYCLES[n.billing_cycle] ?? n.billing_cycle}` : "免费"}
+        {n.price > 0 ? `${money(n.price, n.currency)} / ${cycle(n.billing_cycle)}` : "免费"}
       </span>
     ),
   },
diff --git a/src/lib/format.test.ts b/src/lib/format.test.ts
index 3ce3920..5510f1a 100644
--- a/src/lib/format.test.ts
+++ b/src/lib/format.test.ts
@@ -4,7 +4,7 @@
 //
 // Nothing imports it, so the bundle never includes it.
 import {
-  axisBytes, axisTop, bytes, cpuName, daysUntil, despike, osName, pair, quarters, timeTicks, uptime,
+  axisBytes, axisTop, bytes, cpuName, cycle, daysUntil, despike, osName, pair, quarters, timeTicks, uptime,
 } from "./format.ts"
 
 let failed = 0
@@ -121,6 +121,14 @@ eq(uptime(3 * 3600), "3 小时", "整小时的零头不写")
 eq(osName("Debian GNU/Linux 12 (bookworm)"), "Debian 12", "发行版名去掉代号")
 eq(cpuName("Intel(R) Xeon(R) CPU E5-2680 8-Core Processor"), "Intel Xeon E5-2680", "CPU 名去掉商标和核数")
 
+// 旧 hub 存名称，新 hub 把其余长度存成 `<n>m`；同一个长度两种写法读出来一样，
+// 而认不出的周期原样显示，不吞掉。
+eq(
+  ["monthly", "yearly", "12m", "60m", "18m", "biennial", "36m", "once", "weekly"].map(cycle),
+  ["月", "年", "年", "5 年", "18 个月", "两年", "三年", "一次性", "weekly"],
+  "付款周期",
+)
+
 if (failed) {
   console.error(`\n${failed} 项不通过`)
   throw new Error("format 校验未通过")
diff --git a/src/lib/format.ts b/src/lib/format.ts
index 8e3bc5a..b9f5407 100644
--- a/src/lib/format.ts
+++ b/src/lib/format.ts
@@ -94,15 +94,19 @@ export function money(amount: number, currency: string): string {
  * prints it after a slash -- `$39.90 / 年` is per year, and the "付" that used to
  * follow it was the difference between the price fitting its column and being cut
  * off with an ellipsis.
+ *
+ * Older hubs store only the named lengths below; later ones store any other
+ * length as `<n>m`, which reads as `5 年` or `18 个月` in the same style.
  */
-export const CYCLES: Record<string, string> = {
-  monthly: "月",
-  quarterly: "季",
-  semiannual: "半年",
-  yearly: "年",
-  biennial: "两年",
-  triennial: "三年",
-  once: "一次性",
+const NAMED_CYCLES: Record<string, number> = { monthly: 1, quarterly: 3, semiannual: 6, yearly: 12, biennial: 24, triennial: 36 }
+const CYCLE_WORDS: Record<number, string> = { 1: "月", 3: "季", 6: "半年", 12: "年", 24: "两年", 36: "三年" }
+
+/** How a billing cycle reads after the slash: 月, 年, 5 年, 18 个月, 一次性. */
+export function cycle(billing: string): string {
+  if (billing === "once") return "一次性"
+  const months = NAMED_CYCLES[billing] ?? Number(/^(\d+)m$/.exec(billing)?.[1])
+  if (!months) return billing
+  return CYCLE_WORDS[months] ?? (months % 12 ? `${months} 个月` : `${months / 12} 年`)
 }
 
 // Hoisted out of `clock`: recharts calls a tickFormatter for every sample when