diff --git a/src/client/components/contextView.tsx b/src/client/components/contextView.tsx
index 19ff961..5dfd513 100644
--- a/src/client/components/contextView.tsx
+++ b/src/client/components/contextView.tsx
@@ -380,7 +380,9 @@ export function makeContextView(
             <div className="lc-card">
               <div className="lc-card-title">
                 <span className="lc-card-title-text">{t('trend.title')}</span>
-                <span className="lc-card-sub">{focusCat !== null ? t('trend.focus', { cat: kit.catLabel(focusCat) }) : t('trend.hint')}</span>
+                {focusCat !== null
+                  ? <span className="lc-card-sub">{t('trend.focus', { cat: kit.catLabel(focusCat) })}</span>
+                  : null}
                 <div className="lc-trend-ctl">
                   <div className="lc-gran">
                     <button
diff --git a/src/client/i18n.ts b/src/client/i18n.ts
index 74305f5..55194ca 100644
--- a/src/client/i18n.ts
+++ b/src/client/i18n.ts
@@ -57,7 +57,6 @@ export const DICT_ZH: Record<string, string> = {
   'settings.readOnly': '当前环境的设置为只读',
   'gran.total': '全量', 'gran.delta': '增量',
   'gran.modeHint': '全量：累计构成；增量：相对上一条请求的变化量',
-  'trend.hint': '✂ 表示压缩/剪枝，步骤/轮次 切换粒度',
   'trend.focus': '仅展示 {cat}',
   'trend.empty': '发起一轮对话后，这里会展示每次模型请求的上下文构成',
   'detail.step': '第 {t} 轮 · 第 {s} 步',
@@ -282,7 +281,6 @@ export const DICT_EN: Record<string, string> = {
   'settings.readOnly': 'Settings are read-only in this environment',
   'gran.total': 'Total', 'gran.delta': 'Delta',
   'gran.modeHint': 'Total: cumulative makeup; Delta: change vs the previous request',
-  'trend.hint': '✂ marks compaction/prune, Step/Turn switches granularity',
   'trend.focus': 'Showing {cat} only',
   'trend.empty': 'Send a message and each model request’s context makeup shows up here',
   'detail.step': 'Turn {t} · Step {s}',
diff --git a/tests/client/components/contextView.spec.ts b/tests/client/components/contextView.spec.ts
index 54f8774..5339f81 100644
--- a/tests/client/components/contextView.spec.ts
+++ b/tests/client/components/contextView.spec.ts
@@ -401,11 +401,12 @@ describe('ContextView — interactions', () => {
     assert.ok(text(m.container).includes(DICT_EN['trend.focus'].replace('{cat}', DICT_EN['cat.assistant'])),
       'the card subtitle names the focused category')
 
-    // Collapsing the category restores the whole composition and the usage hint.
+    // Collapsing the category restores the whole composition and drops the subtitle.
     await click(queryAll(m.container, '.lc-br-cat-row')[4])
     assert.equal(text(query(m.container, '.lc-axis-top')), '420')
     assert.equal(queryAll(m.container, '.lc-bar[data-seq="4"] .lc-bar-stack > .lc-cat-seg').length, 5)
-    assert.ok(text(m.container).includes(DICT_EN['trend.hint']))
+    const trendCard = queryAll(m.container, '.lc-card').find(c => text(c).includes(DICT_EN['trend.title']))
+    assert.ok(trendCard !== undefined && trendCard.querySelector('.lc-card-sub') === null, 'unfocused: no subtitle')
     await m.unmount()
   })