diff --git a/src/modules/mileage/MonitoringView.tsx b/src/modules/mileage/MonitoringView.tsx
index f9e9e4d..52f6e82 100644
--- a/src/modules/mileage/MonitoringView.tsx
+++ b/src/modules/mileage/MonitoringView.tsx
@@ -104,6 +104,7 @@ export default function MonitoringView() {
   const [filterEntity, setFilterEntity] = useState('All');
   const [filterRegionCode, setFilterRegionCode] = useState('All');
   const [filterMileageRange, setFilterMileageRange] = useState({ min: '', max: '' });
+  const [appliedMileageRange, setAppliedMileageRange] = useState({ min: '', max: '' });
 
   const [vehicles, setVehicles] = useState<MonitoringVehicle[]>([]);
   const [stats, setStats] = useState<MonitoringStats>({ totalToday: 0, totalAll: 0, onlineCount: 0, vehicleCount: 0 });
@@ -132,6 +133,8 @@ export default function MonitoringView() {
       dept: filterDept !== 'All' ? filterDept : undefined,
       project: filterProject !== 'All' ? filterProject : undefined,
       entity: filterEntity !== 'All' ? filterEntity : undefined,
+      mileageMin: appliedMileageRange.min || undefined,
+      mileageMax: appliedMileageRange.max || undefined,
     }).then(d => {
       setVehicles(d.vehicles);
       setStats(d.stats);
@@ -140,7 +143,7 @@ export default function MonitoringView() {
       setPage(1);
       setHasMore(d.page < d.totalPages);
     }).catch(() => {});
-  }, [sortBy, sortOrder, searchTerm, filterDept, filterProject, filterEntity]);
+  }, [sortBy, sortOrder, searchTerm, filterDept, filterProject, filterEntity, appliedMileageRange]);
 
   // 加载更多
   const loadMore = useCallback(() => {
@@ -156,12 +159,14 @@ export default function MonitoringView() {
       dept: filterDept !== 'All' ? filterDept : undefined,
       project: filterProject !== 'All' ? filterProject : undefined,
       entity: filterEntity !== 'All' ? filterEntity : undefined,
+      mileageMin: appliedMileageRange.min || undefined,
+      mileageMax: appliedMileageRange.max || undefined,
     }).then(d => {
       setVehicles(prev => [...prev, ...d.vehicles]);
       setPage(nextPage);
       setHasMore(nextPage < d.totalPages);
     }).catch(() => {}).finally(() => setLoadingMore(false));
-  }, [sortBy, sortOrder, searchTerm, filterDept, filterProject, filterEntity, page, loadingMore, hasMore]);
+  }, [sortBy, sortOrder, searchTerm, filterDept, filterProject, filterEntity, appliedMileageRange, page, loadingMore, hasMore]);
 
   // 筛选/排序变化时重新加载
   useEffect(() => {
@@ -684,13 +689,17 @@ export default function MonitoringView() {
                     setFilterEntity('All');
                     setFilterRegionCode('All');
                     setFilterMileageRange({ min: '', max: '' });
+                    setAppliedMileageRange({ min: '', max: '' });
                   }}
                   className="text-[10px] font-bold text-slate-400 hover:text-slate-600"
                 >
                   重置所有
                 </button>
                 <button
-                  onClick={() => setIsFilterOpen(false)}
+                  onClick={() => {
+                    setAppliedMileageRange({ ...filterMileageRange });
+                    setIsFilterOpen(false);
+                  }}
                   className="bg-blue-600 text-white px-6 py-2 rounded-xl text-xs font-bold shadow-lg shadow-blue-100"
                 >
                   完成筛选
diff --git a/src/modules/mileage/api.ts b/src/modules/mileage/api.ts
index 2a0ef30..27a4709 100644
--- a/src/modules/mileage/api.ts
+++ b/src/modules/mileage/api.ts
@@ -18,6 +18,8 @@ export async function fetchMonitoring(params?: {
   customer?: string;
   project?: string;
   entity?: string;
+  mileageMin?: string;
+  mileageMax?: string;
 }): Promise<MonitoringData> {
   const query = new URLSearchParams();
   if (params?.sortBy) query.set('sortBy', params.sortBy);
@@ -29,6 +31,8 @@ export async function fetchMonitoring(params?: {
   if (params?.customer) query.set('customer', params.customer);
   if (params?.project) query.set('project', params.project);
   if (params?.entity) query.set('entity', params.entity);
+  if (params?.mileageMin) query.set('mileageMin', params.mileageMin);
+  if (params?.mileageMax) query.set('mileageMax', params.mileageMax);
   const qs = query.toString();
   return fetchJson<MonitoringData>(`${BASE}/monitoring${qs ? `?${qs}` : ''}`);
 }
diff --git a/src/server/routes/mileage.ts b/src/server/routes/mileage.ts
index 79a2e9d..b04a1a4 100644
--- a/src/server/routes/mileage.ts
+++ b/src/server/routes/mileage.ts
@@ -154,6 +154,8 @@ app.get('/monitoring', (c) => {
   const customer = c.req.query('customer') || '';
   const project = c.req.query('project') || '';
   const entity = c.req.query('entity') || '';
+  const mileageMin = c.req.query('mileageMin') || '';
+  const mileageMax = c.req.query('mileageMax') || '';
 
   let vehicles = monitoringCache.vehicles;
 
@@ -170,6 +172,8 @@ app.get('/monitoring', (c) => {
   if (customer) vehicles = vehicles.filter(v => v.customer === customer);
   if (project) vehicles = vehicles.filter(v => v.project === project);
   if (entity) vehicles = vehicles.filter(v => v.entity === entity);
+  if (mileageMin) vehicles = vehicles.filter(v => v.dailyKm >= Number(mileageMin));
+  if (mileageMax) vehicles = vehicles.filter(v => v.dailyKm <= Number(mileageMax));
 
   const total = vehicles.length;