diff --git a/src/api/baidu/mapQuote.ts b/src/api/baidu/mapQuote.ts
index ff33057..42b1335 100644
--- a/src/api/baidu/mapQuote.ts
+++ b/src/api/baidu/mapQuote.ts
@@ -67,9 +67,6 @@ export function mapBaiduQuotationToQuote(result: BaiduQuotationResult): QuoteDat
 
   const outside = toNum(op?.outside)
   const inside = toNum(op?.inside)
-  const total = outside + inside
-  const buyRatio = total > 0 ? Math.round((outside / total) * 100) : 50
-  const sellRatio = 100 - buyRatio
 
   const asksRaw = result.askinfos ?? []
   const bidsRaw = result.buyinfos ?? []
@@ -87,6 +84,13 @@ export function mapBaiduQuotationToQuote(result: BaiduQuotationResult): QuoteDat
     volume: toNum(b.bidvolume),
   }))
 
+  // 买卖力度条按五档挂单量汇总，而非外盘/内盘
+  const bidVol = bids.reduce((sum, b) => sum + b.volume, 0)
+  const askVol = asks.reduce((sum, a) => sum + a.volume, 0)
+  const bookTotal = bidVol + askVol
+  const buyRatio = bookTotal > 0 ? Math.round((bidVol / bookTotal) * 100) : 50
+  const sellRatio = 100 - buyRatio
+
   const amountYi = parseAmountYi(
     result.pankouinfos?.list?.find((i) => i.ename === 'amount')?.value,
     op?.amount,
diff --git a/src/mocks/quote.ts b/src/mocks/quote.ts
index 5593fa5..b368f96 100644
--- a/src/mocks/quote.ts
+++ b/src/mocks/quote.ts
@@ -71,8 +71,9 @@ export const quoteMock: QuoteData = {
   outerVol: 412331,
   innerVol: 413312,
   updatedAt: '11:30:00',
-  buyRatio: 48,
-  sellRatio: 52,
+  // 买档量 1503 / 卖档量 1365 → 约 52% / 48%
+  buyRatio: 52,
+  sellRatio: 48,
   intraday: buildIntraday(),
   candles: {
     day: buildCandles(60),