diff --git a/client/src/pages/TimePage.tsx b/client/src/pages/TimePage.tsx
index e9f7cbe..98243a7 100644
--- a/client/src/pages/TimePage.tsx
+++ b/client/src/pages/TimePage.tsx
@@ -69,6 +69,11 @@ export function TimePage() {
     ? hourlyRows.reduce((best: any, r: any) => Number(r.bill_count || 0) > Number(best?.bill_count || 0) ? r : best, null)
     : null
 
+  const maxBillCount = hourlyRows.length > 0 ? Math.max(...hourlyRows.map((r: any) => Number(r.bill_count || 0))) : 0
+  const maxReceived = hourlyRows.length > 0 ? Math.max(...hourlyRows.map((r: any) => Number(r.received || 0))) : 0
+  const yLeftMax = Math.ceil(maxReceived * 1.15 / 10000) * 10000
+  const yRightMax = Math.ceil(maxBillCount * 1.15 / 10000) * 10000
+
   const channelTotals = channelRows.length > 0
     ? Object.keys(channelRows[0]).filter(k => k !== 'business_date' && k !== 'meituan_commission' && k !== 'taobao_commission' && k !== 'jd_commission')
         .map(k => ({
@@ -123,8 +128,8 @@ export function TimePage() {
           <AreaChart data={hourlyRows} margin={{ top: 20, right: 20, bottom: 20, left: 20 }}>
             <CartesianGrid strokeDasharray="3 3" />
             <XAxis dataKey="closing_hour" tickFormatter={(v) => `${v}:00`} tick={{ fontSize: 10 }} />
-            <YAxis yAxisId="left" tickFormatter={(v) => v >= 10000 ? `${(v / 10000).toFixed(0)}万` : v} tick={{ fontSize: 10 }} domain={[0, (max: number) => Math.ceil(max * 1.15 / 10000) * 10000]} />
-            <YAxis yAxisId="right" orientation="right" tickFormatter={(v) => v >= 10000 ? `${(v / 10000).toFixed(0)}万` : v} tick={{ fontSize: 10 }} domain={[0, (max: number) => Math.ceil(max * 1.15 / 10000) * 10000]} />
+            <YAxis yAxisId="left" tickFormatter={(v) => v >= 10000 ? `${(v / 10000).toFixed(0)}万` : v} tick={{ fontSize: 10 }} domain={[0, yLeftMax]} />
+            <YAxis yAxisId="right" orientation="right" tickFormatter={(v) => v >= 10000 ? `${(v / 10000).toFixed(0)}万` : v} tick={{ fontSize: 10 }} domain={[0, yRightMax]} />
             <Tooltip labelFormatter={(v) => `${v}:00`} formatter={(v: any, name: any) => name === '实收' ? formatCurrency(v) : formatNumber(v)} />
             <Legend />
             <Area yAxisId="left" type="monotone" dataKey="received" stroke="#3b82f6" fill="#3b82f680" name="实收" />