diff --git a/public/functions/api/card.js b/public/functions/api/card.js
index 6626bf7..1c0ec9a 100644
--- a/public/functions/api/card.js
+++ b/public/functions/api/card.js
@@ -2,6 +2,8 @@ export async function onRequest(event) {
     const url = new URL(event.request.url);
     const key = url.searchParams.get("key");
 
+    const CURRENT_VERSION = "0.30";
+
     // SVG Headers
     const headers = {
         "Content-Type": "image/svg+xml",
@@ -64,6 +66,8 @@ export async function onRequest(event) {
             .trip-dist { font-size: 9px; fill: ${labelColor}; font-family: monospace; }
             .line-path { fill: none; stroke: ${accentColor}; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
             .separator { stroke: ${glassBorder}; stroke-width: 1; }
+            .version-badge { fill: #39C5BB; }
+            .version-text { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 9px; font-weight: bold; fill: #ffffff; }
         `;
 
         // Icon SVG (Lucide Train Standard) placed at top right
@@ -88,6 +92,13 @@ export async function onRequest(event) {
 
             <!-- Header Section -->
             <text x="24" y="44" class="text" style="font-size: 18px; font-weight: 800; letter-spacing: -0.5px;">${esc(username)}'s RailLOOP</text>
+
+            <!-- Version Badge -->
+            <g transform="translate(${cardWidth - 95}, 22)">
+                <rect width="36" height="14" rx="4" class="version-badge"/>
+                <text x="18" y="10" text-anchor="middle" class="version-text">v${CURRENT_VERSION}</text>
+            </g>
+
             ${iconSvg}
 
             <!-- Stats Grid (Top Right, shifted left of icon) -->
diff --git a/src/RailRound.jsx b/src/RailRound.jsx
index 2d5fd1b..32ae439 100644
--- a/src/RailRound.jsx
+++ b/src/RailRound.jsx
@@ -17,6 +17,7 @@ import { api } from './services/api';
 import { db } from './utils/db';
 
 const CURRENT_VERSION = 0.30;
+const LAST_MODIFIED = "2024-05-22";
 const MIN_SUPPORTED_VERSION = 0.0;
 
 const GithubRegisterModal = ({ isOpen, onClose, regToken, onLoginSuccess }) => {
@@ -1231,7 +1232,7 @@ const RecordsView = ({ trips, railwayData, setTrips, onEdit, onDelete, onAdd, se
     <button onClick={onAdd} className="w-full py-4 border-2 border-dashed border-gray-300 text-gray-400 rounded-xl hover:bg-gray-50 font-bold transition">+ 记录新行程</button>
   </div>
 );
-const StatsView = ({ trips, railwayData ,geoData, user, userProfile, segmentGeometries, onOpenCard }) => {
+const StatsView = ({ trips, railwayData ,geoData, user, userProfile, segmentGeometries, onOpenCard, companyDB }) => {
     const totalTrips = trips.length;
     const allSegments = trips.flatMap(t => t.segments || [{ lineKey: t.lineKey, fromId: t.fromId, toId: t.toId }]);
     const uniqueLines = new Set(allSegments.map(s => s.lineKey)).size;
@@ -1300,6 +1301,23 @@ const StatsView = ({ trips, railwayData ,geoData, user, userProfile, segmentGeom
         <div className="bg-white rounded-xl border overflow-hidden"><div className="p-3 border-b bg-slate-50 font-bold text-sm text-slate-600">常乘路线排行</div>
           {Object.entries(allSegments.reduce((acc, s) => { acc[s.lineKey] = (acc[s.lineKey]||0)+1; return acc; }, {})).sort((a,b) => b[1]-a[1]).slice(0, 3).map(([line, count], idx) => { const icon = railwayData[line]?.meta?.icon; return ( <div key={line} className="p-3 border-b last:border-0 flex justify-between items-center"><div className="flex items-center gap-3"><span className={`w-5 h-5 rounded-full flex items-center justify-center text-xs font-bold ${idx===0?'bg-yellow-100 text-yellow-700':'bg-slate-100 text-slate-600'}`}>{idx+1}</span>{icon && <img src={icon} alt="" className="line-icon" />}<span>{line}</span></div><span className="font-bold text-slate-400 text-sm">{count}</span></div> )})}
         </div>
+
+        <div className="text-center text-xs text-gray-400 mt-8 pb-4">
+             加载了 {companyDB ? Object.keys(companyDB).length : 0} 家公司，
+             {railwayData ? Object.keys(railwayData).length : 0} 条线路，
+             {(() => {
+                 let count = 0;
+                 if (railwayData) {
+                    const uniqueStations = new Set();
+                    Object.values(railwayData).forEach(line => {
+                        if (line.stations) line.stations.forEach(s => uniqueStations.add(s.id));
+                    });
+                    count = uniqueStations.size;
+                 }
+                 return count;
+             })()} 个站点。<br/>
+             Last Updated: {LAST_MODIFIED}
+        </div>
       </div>
     );
   };
@@ -2382,7 +2400,11 @@ export default function RailLOOPApp() {
     <div className="flex flex-col h-screen bg-slate-100 font-sans text-slate-800 overflow-hidden">
       <style>{LEAFLET_CSS}</style>
       <header className="bg-slate-900 text-white p-4 shadow-md z-30 flex justify-between shrink-0">
-        <div className="flex items-center gap-2"><Train className="text-emerald-400"/> <span className="font-bold">RailLOOP</span></div>
+        <div className="flex items-center gap-2">
+            <Train className="text-emerald-400"/>
+            <span className="font-bold">RailLOOP</span>
+            <span className="bg-[#39C5BB] text-white rounded px-1.5 py-0.5 text-[10px] font-bold ml-2 shadow-sm">v{CURRENT_VERSION}</span>
+        </div>
         <div className="flex items-center gap-2">
             {user ? (
                <div className="flex items-center gap-2">
@@ -2421,7 +2443,7 @@ export default function RailLOOPApp() {
 
       <div className="flex-1 relative overflow-hidden flex flex-col">
         {activeTab === 'records' && <RecordsView trips={trips} railwayData={railwayData} setTrips={setTrips} onEdit={handleEditTrip} onDelete={handleDeleteTrip} segmentGeometries={segmentGeometries} onAdd={() => { setTripForm({ date: new Date().toISOString().split('T')[0], memo: '', segments: [{ id: Date.now().toString(), lineKey: '', fromId: '', toId: '' }] }); setIsTripEditing(true); }} />}
-        {activeTab === 'stats' && <StatsView trips={trips} railwayData={railwayData} geoData={geoData} user={user} userProfile={userProfile} segmentGeometries={segmentGeometries} onOpenCard={setCardModalUser} />}
+        {activeTab === 'stats' && <StatsView trips={trips} railwayData={railwayData} geoData={geoData} user={user} userProfile={userProfile} segmentGeometries={segmentGeometries} onOpenCard={setCardModalUser} companyDB={companyDB} />}
         <div className={`flex-1 relative ${activeTab === 'map' ? 'block' : 'hidden'}`}>
           <div ref={mapRef} style={{ width: '100%', height: '100%' }} />
           <FabButton activeTab={activeTab} pinMode={pinMode} togglePinMode={togglePinMode} />