diff --git a/e2e/binance-orderbook/specs/control-flows.pw.js b/e2e/binance-orderbook/specs/control-flows.pw.js
index 10aabf8..cc23c7a 100644
--- a/e2e/binance-orderbook/specs/control-flows.pw.js
+++ b/e2e/binance-orderbook/specs/control-flows.pw.js
@@ -99,16 +99,24 @@ test('starting a ladder disables every start action and exposes one stop control
   const panel = page.locator(PANEL_SELECTOR);
   const startLong = panel.getByRole('button', { name: '阶梯开多' });
   const startShort = panel.getByRole('button', { name: '阶梯开空' });
+  const cancel = panel.getByRole('button', { name: '撤单' });
   const stop = panel.getByRole('button', { name: '停止阶梯挂单' });
 
   await expect(startLong).toBeEnabled();
   await expect(startShort).toBeEnabled();
   await expect(stop).toHaveCount(0);
+  const startLongRect = await readRect(startLong);
+  const startShortRect = await readRect(startShort);
+  const cancelRect = await readRect(cancel);
   await installInteractionProbe(page, '[data-ladder-action="OPEN_LONG"]');
   await startLong.click();
   await expect(startLong).toHaveCount(0);
   await expect(startShort).toHaveCount(0);
   await expect(stop).toBeEnabled();
+  const stopRect = await readRect(stop);
+  expect(stopRect.x).toBe(startLongRect.x);
+  expect(stopRect.x + stopRect.width).toBe(startShortRect.x + startShortRect.width);
+  expect(await readRect(cancel)).toEqual(cancelRect);
   const submissionsBeforeStop = (await readFixtureState(page)).events
     .filter((event) => event.type === 'order-submitted').length;
   await stop.click();
diff --git a/scripts/binance-orderbook-trade.user.js b/scripts/binance-orderbook-trade.user.js
index 5201afb..70e29dd 100644
--- a/scripts/binance-orderbook-trade.user.js
+++ b/scripts/binance-orderbook-trade.user.js
@@ -3,7 +3,7 @@
 // @namespace    binance.orderbook.trade
 // @icon         data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2064%2064%22%3E%3Crect%20width%3D%2264%22%20height%3D%2264%22%20rx%3D%2214%22%20fill%3D%22%23f0b90b%22%2F%3E%3Ctext%20x%3D%2232%22%20y%3D%2249%22%20text-anchor%3D%22middle%22%20font-family%3D%22Arial%2C%20sans-serif%22%20font-size%3D%2242%22%20font-weight%3D%22800%22%20fill%3D%22%23111827%22%3EJ%3C%2Ftext%3E%3C%2Fsvg%3E
 // @icon64       data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2064%2064%22%3E%3Crect%20width%3D%2264%22%20height%3D%2264%22%20rx%3D%2214%22%20fill%3D%22%23f0b90b%22%2F%3E%3Ctext%20x%3D%2232%22%20y%3D%2249%22%20text-anchor%3D%22middle%22%20font-family%3D%22Arial%2C%20sans-serif%22%20font-size%3D%2242%22%20font-weight%3D%22800%22%20fill%3D%22%23111827%22%3EJ%3C%2Ftext%3E%3C%2Fsvg%3E
-// @version      2.7.121
+// @version      2.7.122
 // @author       jackhai9
 // @description  单击订单簿价格，按当前开仓/平仓 tab 自动填数量并执行下单，内置数量倍率面板
 // @match        https://www.binance.com/*/futures/*
@@ -5649,12 +5649,11 @@
           noOrdersFeedback: cancelNoOrdersFeedbackActive
         });
         const controlSections = getLadderControlSections(mode, closeContext, symbol, precision);
-        const primaryActions = ladderRunning ? [`<button type="button" data-ladder-stop="true" style="height:${LADDER_CONTROL_BUTTON_HEIGHT}px;border:1px solid var(--color-PrimaryYellow);border-radius:6px;background:var(--color-BadgeBg);color:#9a6700;font-size:${LADDER_CONTROL_BUTTON_FONT_SIZE}px;font-weight:${CONTROL_FONT_WEIGHT};line-height:${LADDER_CONTROL_BUTTON_HEIGHT - 2}px;cursor:pointer;">${PANEL_COPY.action.stopLadder}</button>`] : controlSections.actionButtons;
-        const actionColumnCount = Math.max(1, primaryActions.length + 1);
+        const primaryActions = ladderRunning ? [`<button type="button" data-ladder-stop="true" style="grid-column:span 2;height:${LADDER_CONTROL_BUTTON_HEIGHT}px;border:1px solid var(--color-PrimaryYellow);border-radius:6px;background:var(--color-BadgeBg);color:#9a6700;font-size:${LADDER_CONTROL_BUTTON_FONT_SIZE}px;font-weight:${CONTROL_FONT_WEIGHT};line-height:${LADDER_CONTROL_BUTTON_HEIGHT - 2}px;cursor:pointer;">${PANEL_COPY.action.stopLadder}</button>`] : controlSections.actionButtons;
         const bodyHtml = [
           ...controlSections.optionRows,
           `<div id="${ORDERBOOK_PRECISION_RECOMMENDATION_ID}" data-panel-group="precision"></div>`,
-          `<div style="display:grid;grid-template-columns:repeat(${actionColumnCount},minmax(0,1fr));gap:4px;margin-top:12px;">`,
+          '<div style="display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;margin-top:12px;">',
           ...primaryActions,
           `<button type="button" data-ladder-cancel-symbol="true" style="height:${LADDER_CONTROL_BUTTON_HEIGHT}px;border:1px solid ${CONTROL_BORDER_COLOR};border-radius:6px;font-size:${LADDER_CONTROL_BUTTON_FONT_SIZE}px;line-height:${LADDER_CONTROL_BUTTON_HEIGHT - 2}px;${NEUTRAL_CONTROL_STYLE}">${PANEL_COPY.action.cancel}</button>`,
           "</div>"
diff --git a/src/binance-orderbook-trade/index.user.js b/src/binance-orderbook-trade/index.user.js
index 356cec2..18a7831 100644
--- a/src/binance-orderbook-trade/index.user.js
+++ b/src/binance-orderbook-trade/index.user.js
@@ -3,7 +3,7 @@
 // @namespace    binance.orderbook.trade
 // @icon         data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2064%2064%22%3E%3Crect%20width%3D%2264%22%20height%3D%2264%22%20rx%3D%2214%22%20fill%3D%22%23f0b90b%22%2F%3E%3Ctext%20x%3D%2232%22%20y%3D%2249%22%20text-anchor%3D%22middle%22%20font-family%3D%22Arial%2C%20sans-serif%22%20font-size%3D%2242%22%20font-weight%3D%22800%22%20fill%3D%22%23111827%22%3EJ%3C%2Ftext%3E%3C%2Fsvg%3E
 // @icon64       data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2064%2064%22%3E%3Crect%20width%3D%2264%22%20height%3D%2264%22%20rx%3D%2214%22%20fill%3D%22%23f0b90b%22%2F%3E%3Ctext%20x%3D%2232%22%20y%3D%2249%22%20text-anchor%3D%22middle%22%20font-family%3D%22Arial%2C%20sans-serif%22%20font-size%3D%2242%22%20font-weight%3D%22800%22%20fill%3D%22%23111827%22%3EJ%3C%2Ftext%3E%3C%2Fsvg%3E
-// @version      2.7.121
+// @version      2.7.122
 // @author       jackhai9
 // @description  单击订单簿价格，按当前开仓/平仓 tab 自动填数量并执行下单，内置数量倍率面板
 // @match        https://www.binance.com/*/futures/*
@@ -4824,13 +4824,12 @@ import {
       });
       const controlSections = getLadderControlSections(mode, closeContext, symbol, precision);
       const primaryActions = ladderRunning
-        ? [`<button type="button" data-ladder-stop="true" style="height:${LADDER_CONTROL_BUTTON_HEIGHT}px;border:1px solid var(--color-PrimaryYellow);border-radius:6px;background:var(--color-BadgeBg);color:#9a6700;font-size:${LADDER_CONTROL_BUTTON_FONT_SIZE}px;font-weight:${CONTROL_FONT_WEIGHT};line-height:${LADDER_CONTROL_BUTTON_HEIGHT - 2}px;cursor:pointer;">${PANEL_COPY.action.stopLadder}</button>`]
+        ? [`<button type="button" data-ladder-stop="true" style="grid-column:span 2;height:${LADDER_CONTROL_BUTTON_HEIGHT}px;border:1px solid var(--color-PrimaryYellow);border-radius:6px;background:var(--color-BadgeBg);color:#9a6700;font-size:${LADDER_CONTROL_BUTTON_FONT_SIZE}px;font-weight:${CONTROL_FONT_WEIGHT};line-height:${LADDER_CONTROL_BUTTON_HEIGHT - 2}px;cursor:pointer;">${PANEL_COPY.action.stopLadder}</button>`]
         : controlSections.actionButtons;
-      const actionColumnCount = Math.max(1, primaryActions.length + 1);
       const bodyHtml = [
         ...controlSections.optionRows,
         `<div id="${ORDERBOOK_PRECISION_RECOMMENDATION_ID}" data-panel-group="precision"></div>`,
-        `<div style="display:grid;grid-template-columns:repeat(${actionColumnCount},minmax(0,1fr));gap:4px;margin-top:12px;">`,
+        '<div style="display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;margin-top:12px;">',
         ...primaryActions,
         `<button type="button" data-ladder-cancel-symbol="true" style="height:${LADDER_CONTROL_BUTTON_HEIGHT}px;border:1px solid ${CONTROL_BORDER_COLOR};border-radius:6px;font-size:${LADDER_CONTROL_BUTTON_FONT_SIZE}px;line-height:${LADDER_CONTROL_BUTTON_HEIGHT - 2}px;${NEUTRAL_CONTROL_STYLE}">${PANEL_COPY.action.cancel}</button>`,
         '</div>',
diff --git a/test/unit/binance-orderbook-trade/source-regressions.test.js b/test/unit/binance-orderbook-trade/source-regressions.test.js
index 075c62b..5343187 100644
--- a/test/unit/binance-orderbook-trade/source-regressions.test.js
+++ b/test/unit/binance-orderbook-trade/source-regressions.test.js
@@ -856,6 +856,9 @@ test('cancel current-symbol open orders are single-flight and follow the native
   assert.match(panelBody, /cancelCurrentSymbolOpenOrdersTask/);
   assert.match(panelBody, /resolveCancelSymbolButtonPresentation\(\{/);
   assert.match(panelBody, /noOrdersFeedback: cancelNoOrdersFeedbackActive/);
+  assert.match(panelBody, /data-ladder-stop="true"[^`]*grid-column:span 2/);
+  assert.match(panelBody, /grid-template-columns:repeat\(3,minmax\(0,1fr\)\)/);
+  assert.doesNotMatch(panelBody, /actionColumnCount/);
   assert.match(panelBody, /data-ladder-cancel-symbol="true"[^`]*>\$\{PANEL_COPY\.action\.cancel\}<\/button>/);
   assert.match(panelBody, /cancelButton\.textContent = cancelPresentation\.label/);