diff --git a/src/modules/scheduling/NotificationHistory.tsx b/src/modules/scheduling/NotificationHistory.tsx
index 69d8b2d..e1bd56a 100644
--- a/src/modules/scheduling/NotificationHistory.tsx
+++ b/src/modules/scheduling/NotificationHistory.tsx
@@ -81,7 +81,7 @@ export default function NotificationHistory({ onClose, onChange }: Props) {
   };
 
   const handleCancel = async (rec: NotificationRecord) => {
-    if (!confirm(`确定取消 ${rec.currentPlate} → ${rec.candidatePlate} 的替换通知？`)) return;
+    if (!confirm(`确定取消 ${rec.currentPlate} → ${rec.candidatePlate} 的干预？`)) return;
     setMutatingId(rec.id);
     try {
       await updateNotification(rec.id, { status: 'cancelled' });
diff --git a/src/modules/scheduling/SchedulingModule.tsx b/src/modules/scheduling/SchedulingModule.tsx
index edc19df..7ee6b87 100644
--- a/src/modules/scheduling/SchedulingModule.tsx
+++ b/src/modules/scheduling/SchedulingModule.tsx
@@ -177,11 +177,13 @@ export default function SchedulingModule() {
   useEffect(() => { loadData(); }, [loadData]);
   const handleNotifySuccess = useCallback(() => { loadData(); }, [loadData]);
 
-  // Close detail modal if selected suggestion is filtered out or no longer exists
+  // Keep selectedSuggestion synced with latest data so candidate notification
+  // status changes (登记 / 取消干预) propagate into the open detail modal.
   useEffect(() => {
     if (!selectedSuggestion || !data) return;
-    const stillExists = data.suggestions.some(s => s.id === selectedSuggestion.id);
-    if (!stillExists) setSelectedSuggestion(null);
+    const fresh = data.suggestions.find(s => s.id === selectedSuggestion.id);
+    if (!fresh) setSelectedSuggestion(null);
+    else if (fresh !== selectedSuggestion) setSelectedSuggestion(fresh);
   }, [data, selectedSuggestion]);
 
   const toggleSelect = useCallback((id: string) => {
@@ -227,7 +229,7 @@ export default function SchedulingModule() {
       exitSelectMode();
     } catch (e) {
       console.error('batch notify failed:', e);
-      setBatchResultMsg('批量通知失败，请重试');
+      setBatchResultMsg('批量干预失败，请重试');
     } finally {
       setBatchInFlight(false);
     }
@@ -534,7 +536,7 @@ export default function SchedulingModule() {
                   disabled={selectedIds.size === 0}
                   className="flex items-center gap-1.5 text-xs font-bold bg-blue-600 hover:bg-blue-500 disabled:bg-slate-700 disabled:text-slate-400 text-white px-3 py-1.5 rounded-lg cursor-pointer disabled:cursor-not-allowed transition-colors"
                 >
-                  <Send size={12} /> 批量通知
+                  <Send size={12} /> 批量干预
                 </button>
               </div>
             </motion.div>
@@ -551,7 +553,7 @@ export default function SchedulingModule() {
               className="bg-white rounded-t-2xl sm:rounded-2xl shadow-2xl w-full sm:max-w-md overflow-hidden flex flex-col max-h-[80vh] sm:mx-4"
             >
               <div className="bg-slate-800 px-4 py-3 flex items-center justify-between flex-shrink-0">
-                <span className="text-white font-bold text-sm">确认批量通知</span>
+                <span className="text-white font-bold text-sm">确认批量干预</span>
                 <button
                   onClick={() => !batchInFlight && setShowBatchConfirm(false)}
                   disabled={batchInFlight}
@@ -562,7 +564,7 @@ export default function SchedulingModule() {
               </div>
               <div className="px-4 py-3 overflow-y-auto flex-1">
                 <p className="text-xs text-slate-500 mb-3">
-                  将发送 <span className="font-bold text-slate-800">{batchItems.length}</span> 条替换通知，已排除无可用候选车的建议。
+                  将登记 <span className="font-bold text-slate-800">{batchItems.length}</span> 条干预，已排除无可用候选车的建议。
                 </p>
                 <div className="space-y-2">
                   {batchItems.map(({ suggestion, candidate }) => (
@@ -597,7 +599,7 @@ export default function SchedulingModule() {
                   disabled={batchInFlight || batchItems.length === 0}
                   className="flex-1 py-2 text-xs font-bold text-white bg-blue-600 hover:bg-blue-500 rounded-lg cursor-pointer disabled:opacity-50 transition-colors"
                 >
-                  {batchInFlight ? '发送中...' : `确认发送 ${batchItems.length} 条`}
+                  {batchInFlight ? '登记中...' : `确认登记 ${batchItems.length} 条`}
                 </button>
               </div>
             </motion.div>
diff --git a/src/modules/scheduling/SuggestionDetail.tsx b/src/modules/scheduling/SuggestionDetail.tsx
index 71e922f..2d23d57 100644
--- a/src/modules/scheduling/SuggestionDetail.tsx
+++ b/src/modules/scheduling/SuggestionDetail.tsx
@@ -113,14 +113,13 @@ export default function SuggestionDetail({ suggestion: s, onClose, onNotifySucce
         <div className="px-3 pb-2.5">
           <button
             onClick={() => setPreviewCandidate(c)}
-            disabled={sent}
             className={`w-full flex items-center justify-center gap-1.5 text-[11px] font-bold py-2 rounded-lg transition-all cursor-pointer ${
               sent
-                ? 'bg-emerald-50 text-emerald-600'
+                ? 'bg-emerald-50 hover:bg-emerald-100 text-emerald-700 border border-emerald-200'
                 : 'bg-slate-800 hover:bg-slate-900 text-white active:scale-[0.98] shadow-sm'
             }`}
           >
-            {sent ? <><CheckCircle size={12} /> 已通知</> : <>查看替换方案 <ArrowRight size={12} /></>}
+            {sent ? <><CheckCircle size={12} /> 已干预 · 查看 <ArrowRight size={12} /></> : <>查看替换方案 <ArrowRight size={12} /></>}
           </button>
         </div>
       </div>
diff --git a/src/modules/scheduling/SuggestionList.tsx b/src/modules/scheduling/SuggestionList.tsx
index 9fa62cd..9d467a0 100644
--- a/src/modules/scheduling/SuggestionList.tsx
+++ b/src/modules/scheduling/SuggestionList.tsx
@@ -133,7 +133,7 @@ export default function SuggestionList({ suggestions, onSelect, selectMode = fal
                     <span className="text-[9px] text-slate-400">{v.region}</span>
                     {notified && (
                       <span className="text-[9px] font-bold text-emerald-600 bg-emerald-50 px-1.5 py-0.5 rounded flex items-center gap-0.5">
-                        <CheckCircle size={9} /> 已通知
+                        <CheckCircle size={9} /> 已干预
                       </span>
                     )}
                   </div>
diff --git a/src/modules/scheduling/SwapPreview.tsx b/src/modules/scheduling/SwapPreview.tsx
index 28874ea..470d4cb 100644
--- a/src/modules/scheduling/SwapPreview.tsx
+++ b/src/modules/scheduling/SwapPreview.tsx
@@ -1,6 +1,6 @@
 import { useState } from 'react';
-import { ArrowDownUp, CheckCircle, Send, X } from 'lucide-react';
-import { sendNotify } from './api';
+import { ArrowDownUp, CheckCircle, Send, X, Ban } from 'lucide-react';
+import { sendNotify, updateNotification } from './api';
 import type { SchedulingSuggestion, CandidateVehicle } from './types';
 import Blur from '../../components/Blur';
 
@@ -23,10 +23,15 @@ function fmtRate(rate: number): string {
 export default function SwapPreview({ suggestion: s, candidate: c, onClose, onSuccess }: Props) {
   const [sending, setSending] = useState(false);
   const [sent, setSent] = useState(false);
+  const [cancelling, setCancelling] = useState(false);
   const v = s.currentVehicle;
 
+  const alreadyIntervened =
+    !sent && (c.notificationStatus === 'sent' || c.notificationStatus === 'executed');
+  const isExecuted = c.notificationStatus === 'executed';
+
   const handleSend = async () => {
-    if (sending || sent) return;
+    if (sending || sent || alreadyIntervened) return;
     setSending(true);
     try {
       const result = await sendNotify({ suggestionId: s.id, currentPlate: v.plateNumber, candidatePlate: c.plateNumber });
@@ -34,6 +39,21 @@ export default function SwapPreview({ suggestion: s, candidate: c, onClose, onSu
     } catch { alert('网络错误'); } finally { setSending(false); }
   };
 
+  const handleCancel = async () => {
+    if (!c.notificationId || cancelling) return;
+    if (isExecuted) {
+      if (!confirm('此干预已标记为执行。确定要取消吗？')) return;
+    } else {
+      if (!confirm(`确定取消 ${v.plateNumber} → ${c.plateNumber} 的干预？`)) return;
+    }
+    setCancelling(true);
+    try {
+      const result = await updateNotification(c.notificationId, { status: 'cancelled' });
+      if (result.success) { onSuccess(); onClose(); }
+      else { alert(result.message || '取消失败'); }
+    } catch { alert('网络错误'); } finally { setCancelling(false); }
+  };
+
   return (
     <div className="fixed inset-0 z-[80] bg-[#F0F4F8] flex flex-col">
       {/* Header */}
@@ -115,16 +135,32 @@ export default function SwapPreview({ suggestion: s, candidate: c, onClose, onSu
 
       {/* Bottom */}
       <div className="px-5 pb-6 pt-2 flex-shrink-0 bg-[#F0F4F8]">
-        <div className="max-w-sm mx-auto">
-          <button
-            onClick={handleSend}
-            disabled={sending || sent}
-            className={`w-full flex items-center justify-center gap-2 py-3.5 rounded-xl text-sm font-bold transition-all cursor-pointer ${
-              sent ? 'bg-emerald-100 text-emerald-600' : 'bg-slate-800 hover:bg-slate-900 text-white active:scale-[0.98] shadow-lg'
-            }`}
-          >
-            {sent ? <><CheckCircle size={16} /> 已发送</> : <><Send size={16} /> 发送替换通知</>}
-          </button>
+        <div className="max-w-sm mx-auto space-y-2">
+          {alreadyIntervened && (
+            <div className="rounded-xl bg-emerald-50 border border-emerald-200 px-3 py-2 text-[11px] text-emerald-700 flex items-center gap-2">
+              <CheckCircle size={13} />
+              <span>此车已{isExecuted ? '执行干预' : '登记干预'}，如需重新干预请先取消。</span>
+            </div>
+          )}
+          {alreadyIntervened ? (
+            <button
+              onClick={handleCancel}
+              disabled={cancelling}
+              className="w-full flex items-center justify-center gap-2 py-3.5 rounded-xl text-sm font-bold bg-white text-rose-600 border border-rose-200 hover:bg-rose-50 active:scale-[0.98] transition-all cursor-pointer disabled:opacity-50 disabled:cursor-not-allowed"
+            >
+              <Ban size={16} /> {cancelling ? '取消中...' : '取消干预'}
+            </button>
+          ) : (
+            <button
+              onClick={handleSend}
+              disabled={sending || sent}
+              className={`w-full flex items-center justify-center gap-2 py-3.5 rounded-xl text-sm font-bold transition-all cursor-pointer ${
+                sent ? 'bg-emerald-100 text-emerald-600' : 'bg-slate-800 hover:bg-slate-900 text-white active:scale-[0.98] shadow-lg'
+              }`}
+            >
+              {sent ? <><CheckCircle size={16} /> 已登记</> : <><Send size={16} /> 登记干预</>}
+            </button>
+          )}
         </div>
       </div>
     </div>
diff --git a/src/modules/scheduling/csv-export.ts b/src/modules/scheduling/csv-export.ts
index 223d3c4..d6454e0 100644
--- a/src/modules/scheduling/csv-export.ts
+++ b/src/modules/scheduling/csv-export.ts
@@ -41,7 +41,7 @@ const HEADERS = [
   '候选替换后预估(km)',
   '候选可达标',
   '候选区域',
-  '通知状态',
+  '干预状态',
 ] as const;
 
 export function buildSuggestionsCsv(suggestions: SchedulingSuggestion[]): string {
diff --git a/src/server/routes/scheduling/db-schema.ts b/src/server/routes/scheduling/db-schema.ts
index e92c19f..0e046e8 100644
--- a/src/server/routes/scheduling/db-schema.ts
+++ b/src/server/routes/scheduling/db-schema.ts
@@ -20,7 +20,7 @@ CREATE TABLE IF NOT EXISTS tab_scheduling_notifications (
   INDEX idx_candidate_plate (candidate_plate),
   INDEX idx_status (status),
   INDEX idx_created_at (created_at)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='智能调度通知/执行记录'
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='智能调度干预/执行记录'
 `;
 
 export async function ensureSchedulingTables(): Promise<void> {
diff --git a/src/server/routes/scheduling/notify.ts b/src/server/routes/scheduling/notify.ts
index 6b74641..50e6e62 100644
--- a/src/server/routes/scheduling/notify.ts
+++ b/src/server/routes/scheduling/notify.ts
@@ -119,12 +119,12 @@ app.post('/', async (c) => {
 
     return c.json({
       success: true,
-      message: `替换通知已发送：${currentPlate} → ${candidatePlate}`,
+      message: `干预已登记：${currentPlate} → ${candidatePlate}`,
       record: result,
     });
   } catch (e: unknown) {
     console.error('scheduling notify error:', e);
-    return c.json({ success: false, message: '发送通知失败' }, 500);
+    return c.json({ success: false, message: '登记干预失败' }, 500);
   }
 });
 
@@ -166,12 +166,12 @@ app.post('/batch', async (c) => {
 
     return c.json({
       success: true,
-      message: `批量通知：成功 ${result.success}，跳过 ${result.skipped}，失败 ${result.failed}`,
+      message: `批量干预：成功 ${result.success}，跳过 ${result.skipped}，失败 ${result.failed}`,
       result,
     });
   } catch (e: unknown) {
     console.error('scheduling batch notify error:', e);
-    return c.json({ success: false, message: '批量通知失败' }, 500);
+    return c.json({ success: false, message: '批量干预失败' }, 500);
   }
 });