diff --git a/server/routes/assets.js b/server/routes/assets.js
index 60d7365..f8793bf 100644
--- a/server/routes/assets.js
+++ b/server/routes/assets.js
@@ -8,6 +8,7 @@ const router = express.Router();
 
 const ASSETS_DIR = path.join(__dirname, '../../Assets');
 const MANIFEST_PATH = path.join(ASSETS_DIR, 'manifest.json');
+const ROUTE_MAP_LICENSE = 'CC BY 4.0';
 
 const getIp = (req) => (req.headers['x-forwarded-for'] || '').toString().split(',')[0].trim() || req.ip || req.connection?.remoteAddress || '';
 
@@ -48,6 +49,8 @@ const writeManifest = (m) => {
   fs.writeFileSync(MANIFEST_PATH, JSON.stringify(out, null, 2), 'utf8');
 };
 
+const normalizeCredit = (value) => String(value || '').trim().slice(0, 200);
+
 const removeByPrefix = (prefix) => {
   ensureDir(ASSETS_DIR);
   const list = fs.readdirSync(ASSETS_DIR);
@@ -97,6 +100,8 @@ router.get('/manifest', (req, res) => {
   res.json({
     ok: true,
     routeMap,
+    routeMapCredit: normalizeCredit(m.routeMapCredit || ''),
+    routeMapLicense: ROUTE_MAP_LICENSE,
     fareTable,
     updatedAt: m.updatedAt || null
   });
@@ -106,10 +111,24 @@ router.post('/route-map', uploadRouteMap.single('file'), (req, res) => {
   if (!req.file) return res.status(400).json({ ok: false, error: '缺少文件' });
   const m = readManifest();
   m.routeMap = path.basename(req.file.filename);
+  if (req.body && Object.prototype.hasOwnProperty.call(req.body, 'credit')) {
+    m.routeMapCredit = normalizeCredit(req.body.credit);
+  } else if (typeof m.routeMapCredit !== 'string') {
+    m.routeMapCredit = '';
+  }
   m.updatedAt = Date.now();
   writeManifest(m);
-  appendReqLog(req, { category: 'admin', type: 'asset_upload_route_map', detail: { file: m.routeMap } });
-  res.json({ ok: true, routeMap: m.routeMap, updatedAt: m.updatedAt });
+  appendReqLog(req, { category: 'admin', type: 'asset_upload_route_map', detail: { file: m.routeMap, credit: m.routeMapCredit || '' } });
+  res.json({ ok: true, routeMap: m.routeMap, routeMapCredit: m.routeMapCredit || '', routeMapLicense: ROUTE_MAP_LICENSE, updatedAt: m.updatedAt });
+});
+
+router.post('/route-map/credit', (req, res) => {
+  const m = readManifest();
+  m.routeMapCredit = normalizeCredit(req.body?.credit);
+  m.updatedAt = Date.now();
+  writeManifest(m);
+  appendReqLog(req, { category: 'admin', type: 'asset_update_route_map_credit', detail: { credit: m.routeMapCredit || '' } });
+  res.json({ ok: true, routeMapCredit: m.routeMapCredit || '', routeMapLicense: ROUTE_MAP_LICENSE, updatedAt: m.updatedAt });
 });
 
 router.post('/fare-table', uploadFareTable.single('file'), (req, res) => {
@@ -129,6 +148,7 @@ router.delete('/route-map', (req, res) => {
   }
   removeByPrefix('route-map');
   m.routeMap = null;
+  m.routeMapCredit = '';
   m.updatedAt = Date.now();
   writeManifest(m);
   appendReqLog(req, { category: 'admin', type: 'asset_delete_route_map', detail: { ok: true } });
diff --git a/web/home.html b/web/home.html
index 8b4bb90..6010292 100644
--- a/web/home.html
+++ b/web/home.html
@@ -184,6 +184,26 @@
     <script src="/custom-dialog.js?v=11"></script>
     <script src="/public-status.js?v=14"></script>
     <script>
+        const createRouteMapCredit = (credit, license) => {
+            const wrap = document.createElement('div');
+            wrap.className = 'jr-asset-credit';
+
+            const creditText = document.createElement('span');
+            creditText.textContent = `线路图署名：${credit || '未填写'}`;
+            wrap.appendChild(creditText);
+
+            wrap.appendChild(document.createTextNode(' 许可协议：'));
+
+            const licenseLink = document.createElement('a');
+            licenseLink.href = 'https://creativecommons.org/licenses/by/4.0/';
+            licenseLink.target = '_blank';
+            licenseLink.rel = 'noopener noreferrer';
+            licenseLink.textContent = license || 'CC BY 4.0';
+            wrap.appendChild(licenseLink);
+
+            return wrap;
+        };
+
         const loadPublicAssets = async () => {
             const fareMapBox = document.getElementById('fareMapBox');
             const routeMapBox = document.getElementById('routeMapBox');
@@ -207,8 +227,9 @@
                     const img = document.createElement('img');
                     img.alt = '线路图';
                     img.src = `/assets/${encodeURIComponent(m.routeMap)}?v=${encodeURIComponent(mv)}`;
-                    routeMapBox.innerHTML = '<div class="jr-asset-frame"></div><div class="jr-asset-credit">线路图署名：CC-BY 4.0</div>';
+                    routeMapBox.innerHTML = '<div class="jr-asset-frame"></div>';
                     routeMapBox.firstElementChild.appendChild(img);
+                    routeMapBox.appendChild(createRouteMapCredit(m.routeMapCredit, m.routeMapLicense));
                 } else {
                     routeMapBox.innerHTML = '<div class="text-muted">暂无线路图</div>';
                 }
@@ -245,4 +266,3 @@
 </html>
 
 
-
diff --git a/web/index.html b/web/index.html
index 481a929..106d23e 100644
--- a/web/index.html
+++ b/web/index.html
@@ -820,8 +820,22 @@
                                     <div>建议上传横向长图，便于首页和购票页展示。</div>
                                     <div>再次上传会自动替换旧文件。</div>
                                 </div>
+                                <div style="margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); display: grid; gap: 10px;">
+                                    <label style="display: grid; gap: 6px;">
+                                        <span style="font-weight: 700;">线路图署名</span>
+                                        <input v-model="assetsForm.routeMapCredit" class="input" type="text" maxlength="200" placeholder="例如：OpenStreetMap contributors / 作者名 / 来源名">
+                                    </label>
+                                    <div class="text-muted">许可协议固定为 <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener noreferrer">CC BY 4.0</a></div>
+                                    <div class="flex" style="gap: 8px; flex-wrap: wrap;">
+                                        <button class="btn" @click="saveRouteMapCredit" :disabled="mutationBusy">
+                                            <i class="fas fa-pen"></i> 保存署名
+                                        </button>
+                                    </div>
+                                </div>
                                 <div style="margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); display: grid; gap: 8px;">
                                     <div><strong>当前文件：</strong> {{ assetsManifest.routeMap || '未上传' }}</div>
+                                    <div><strong>当前署名：</strong> {{ assetsManifest.routeMapCredit || '未填写' }}</div>
+                                    <div><strong>许可协议：</strong> <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener noreferrer">{{ assetsManifest.routeMapLicense }}</a></div>
                                     <div><strong>更新时间：</strong> {{ assetsManifest.updatedAt ? formatTime(assetsManifest.updatedAt) : '暂无' }}</div>
                                 </div>
                             </div>
@@ -830,7 +844,11 @@
                                 <div style="width: 100%;">
                                     <template v-if="assetsRouteMapUrl">
                                         <img :src="assetsRouteMapUrl" alt="线路图预览" style="display: block; max-width: 100%; height: auto; background: #ffffff; margin: 0 auto;">
-                                        <div class="jr-asset-credit" style="color: #cbd5e1;">线路图署名：CC-BY 4.0</div>
+                                        <div class="jr-asset-credit" style="color: #cbd5e1;">
+                                            <span>线路图署名：{{ assetsManifest.routeMapCredit || '未填写' }}</span>
+                                            <span>许可协议：</span>
+                                            <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener noreferrer" style="color: #93c5fd;">{{ assetsManifest.routeMapLicense }}</a>
+                                        </div>
                                     </template>
                                     <div v-else class="text-muted" style="padding: 24px; text-align: center;">
                                         暂无线路图，请先上传一张线路图。
@@ -966,4 +984,3 @@
 </body>
 
 </html>
-
diff --git a/web/index.js b/web/index.js
index bed3532..e5e1691 100644
--- a/web/index.js
+++ b/web/index.js
@@ -56,10 +56,11 @@ createApp({
         const logMax = ref(200);
         const logLoading = ref(false);
         const orders = ref([]);
-        const assetsManifest = reactive({ routeMap: null, fareTable: null, updatedAt: null });
+        const assetsManifest = reactive({ routeMap: null, routeMapCredit: '', routeMapLicense: 'CC BY 4.0', fareTable: null, updatedAt: null });
         const assetsFarePreview = reactive({ headers: [], rows: [] });
         const assetsRouteMapUrl = ref('');
         const assetsFareTableUrl = ref('');
+        const assetsForm = reactive({ routeMapCredit: '' });
         const icCards = ref([]);
         const icCardSearch = ref('');
         const icSelectedId = ref('');
@@ -577,8 +578,11 @@ createApp({
         const fetchAssetsManifest = async () => {
             const data = await requestJson('/api/assets/manifest');
             assetsManifest.routeMap = data ? (data.routeMap || null) : null;
+            assetsManifest.routeMapCredit = data ? String(data.routeMapCredit || '') : '';
+            assetsManifest.routeMapLicense = data ? String(data.routeMapLicense || 'CC BY 4.0') : 'CC BY 4.0';
             assetsManifest.fareTable = data ? (data.fareTable || null) : null;
             assetsManifest.updatedAt = data ? (data.updatedAt || null) : null;
+            assetsForm.routeMapCredit = assetsManifest.routeMapCredit;
             assetsRouteMapUrl.value = buildAssetUrl(assetsManifest.routeMap);
             assetsFareTableUrl.value = buildAssetUrl(assetsManifest.fareTable);
             assetsLoaded = true;
@@ -622,9 +626,12 @@ createApp({
             markSynced();
         };
 
-        const uploadAssetFile = async (url, file) => {
+        const uploadAssetFile = async (url, file, extraFields = {}) => {
             const fd = new FormData();
             fd.append('file', file);
+            for (const [key, value] of Object.entries(extraFields || {})) {
+                fd.append(key, value == null ? '' : String(value));
+            }
             await requestJson(url, { method: 'POST', body: fd }, { expectOk: true });
             await fetchAssetsManifest();
         };
@@ -633,7 +640,7 @@ createApp({
             const f = ev && ev.target && ev.target.files && ev.target.files[0];
             if (!f) return;
             ev.target.value = '';
-            await uploadAssetFile('/api/assets/route-map', f);
+            await uploadAssetFile('/api/assets/route-map', f, { credit: assetsForm.routeMapCredit });
         };
 
         const uploadFareTable = async (ev) => {
@@ -648,6 +655,15 @@ createApp({
             await fetchAssetsManifest();
         };
 
+        const saveRouteMapCredit = async () => {
+            await requestJson('/api/assets/route-map/credit', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ credit: assetsForm.routeMapCredit })
+            }, { expectOk: true });
+            await fetchAssetsManifest();
+        };
+
         const deleteFareTable = async () => {
             await requestJson('/api/assets/fare-table', { method: 'DELETE' }, { expectOk: true });
             await fetchAssetsManifest();
@@ -2000,8 +2016,8 @@ createApp({
             icCards, icCardSearch, icSelectedId, icSelectedCard, icSelectedEvents, icCreateForm, icDetailForm, icCardStats,
             createIcCard, loadIcCard, saveIcCard, topupIcCard, deleteIcCard, icStatusInfo, icStatusColor, icEventTitle, formatIcEventDetail, cardOrderCode, displayIcCardId, formatMoney,
             showAddLine, showAddStation, newLine, newStation, fareMapSvg, ticketSearch,
-            assetsManifest, assetsFarePreview, assetsRouteMapUrl, assetsFareTableUrl,
-            uploadRouteMap, uploadFareTable, deleteRouteMap, deleteFareTable,
+            assetsManifest, assetsForm, assetsFarePreview, assetsRouteMapUrl, assetsFareTableUrl,
+            uploadRouteMap, uploadFareTable, deleteRouteMap, deleteFareTable, saveRouteMapCredit,
             
             // Management
             selectedLine, fareMode, stationEditMode, fareSelection, showFareModal, currentFare, availableStations,
diff --git a/web/style.css b/web/style.css
index 2a3baf4..384e3ba 100644
--- a/web/style.css
+++ b/web/style.css
@@ -2746,6 +2746,9 @@ body.jr-public-page {
 
 .jr-asset-credit {
     margin-top: 8px;
+    display: flex;
+    flex-wrap: wrap;
+    gap: 4px;
     font-size: 0.82rem;
     line-height: 1.5;
     color: #6a786d;
diff --git a/web/ticket-order.js b/web/ticket-order.js
index 0b50104..9e320d4 100644
--- a/web/ticket-order.js
+++ b/web/ticket-order.js
@@ -43,6 +43,8 @@
   let lineIdxsByCanonical = {};
   let activeLineIdx = -1;
   let routeMapUrl = '';
+  let routeMapCredit = '';
+  let routeMapLicense = 'CC BY 4.0';
   
   const piePath = (cx, cy, r, a0, a1) => {
       const x0 = cx + r * Math.cos(a0);
@@ -84,6 +86,20 @@
       return `/assets/${encodeURIComponent(name)}?v=${encodeURIComponent(version)}`;
   };
 
+  const escapeHtml = (value) => String(value || '')
+      .replace(/&/g, '&amp;')
+      .replace(/</g, '&lt;')
+      .replace(/>/g, '&gt;')
+      .replace(/"/g, '&quot;')
+      .replace(/'/g, '&#39;');
+
+  const buildCreditHtml = (credit, license, linkColor = '') => {
+      const safeCredit = escapeHtml(credit || '未填写');
+      const safeLicense = escapeHtml(license || 'CC BY 4.0');
+      const colorStyle = linkColor ? ` style="color: ${linkColor};"` : '';
+      return `<div class="jr-asset-credit"><span>线路图署名：${safeCredit}</span><span>许可协议：</span><a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener noreferrer"${colorStyle}>${safeLicense}</a></div>`;
+  };
+
   function renderStationNode(x, y, code, i, forceColor = null) {
       const canonical = stationCanonicalByCode[code] || code;
       const codes = stationCodesByCanonical[canonical] || [canonical];
@@ -183,7 +199,7 @@
       const li = lineStops[activeLineIdx];
       if (!li) {
           if (routeMapUrl) {
-              container.innerHTML = `<div class="tvm-overview tvm-animate"><div class="tvm-overview-frame"><img src="${routeMapUrl}" alt="线路图总览"><div class="jr-asset-credit">线路图署名：CC-BY 4.0</div></div></div>`;
+              container.innerHTML = `<div class="tvm-overview tvm-animate"><div class="tvm-overview-frame"><img src="${routeMapUrl}" alt="线路图总览">${buildCreditHtml(routeMapCredit, routeMapLicense)}</div></div>`;
           } else {
               container.innerHTML = '<div class="tvm-overview-empty">暂未选择线路，且暂无已上传线路图。</div>';
           }
@@ -388,6 +404,8 @@
           }
 
           routeMapUrl = (assetsData && assetsData.routeMap) ? buildAssetUrl(assetsData.routeMap, assetsData.updatedAt) : '';
+          routeMapCredit = assetsData ? String(assetsData.routeMapCredit || '') : '';
+          routeMapLicense = assetsData ? String(assetsData.routeMapLicense || 'CC BY 4.0') : 'CC BY 4.0';
           
           const fadeStyle = `<style>
             @keyframes tvmFadeIn {