fix:

server/routes.js

@@ -105,12 +105,12 @@ function getClientIp(req) {
   return req.ip || req.socket?.remoteAddress || 'unknown'
 }
 
+// 优先用前端传来的 viewer-id 去重（每设备一个），否则用 IP，这样多设备同 WiFi 也能正确统计「在看」
 function getVisitKey(req) {
   const vid = req.headers['x-viewer-id']
   const ip = getClientIp(req)
-  const isLocal = ip === '127.0.0.1' || ip === '::1' || ip === '::ffff:127.0.0.1'
-  if (typeof vid === 'string' && vid.trim().length > 0 && (process.env.NODE_ENV === 'development' || isLocal)) {
-    return 'vid:' + vid.trim()
+  if (typeof vid === 'string' && vid.trim().length > 0) {
+    return 'vid:' + vid.trim().slice(0, 64)
   }
   return ip
 }
@@ -129,7 +129,7 @@ router.post('/visit', (req, res) => {
     res.json(getStats())
   } catch (err) {
     console.error(err)
-    res.status(500).json({ viewers: 0, cumulative: 0, feedbackCount: 0, shareCount: 0 })
+    res.status(500).json({ viewers: 0, cumulative: 0, feedbackCount: 0, shareCount: 0, likeCount: 0 })
   }
 })
 
@@ -168,7 +168,7 @@ router.get('/stats', (req, res) => {
     res.json(getStats())
   } catch (err) {
     console.error(err)
-    res.status(500).json({ viewers: 0, cumulative: 0, feedbackCount: 0, shareCount: 0 })
+    res.status(500).json({ viewers: 0, cumulative: 0, feedbackCount: 0, shareCount: 0, likeCount: 0 })
   }
 })
 
@@ -205,11 +205,28 @@ router.get('/edit/raw', (req, res) => {
     const updates = db.prepare('SELECT id, timestamp, category, summary, severity FROM situation_update ORDER BY timestamp DESC LIMIT 80').all()
     const summaryUs = db.prepare('SELECT * FROM force_summary WHERE side = ?').get('us')
     const summaryIr = db.prepare('SELECT * FROM force_summary WHERE side = ?').get('iran')
+    let displayStats = null
+    try {
+      displayStats = db.prepare('SELECT viewers, cumulative, share_count, like_count, feedback_count FROM display_stats WHERE id = 1').get()
+    } catch (_) {}
+    const realCumulative = db.prepare('SELECT total FROM visitor_count WHERE id = 1').get()?.total ?? 0
+    const realShare = db.prepare('SELECT total FROM share_count WHERE id = 1').get()?.total ?? 0
+    const liveViewers = db.prepare(
+      "SELECT COUNT(*) as n FROM visits WHERE last_seen > datetime('now', '-2 minutes')"
+    ).get()?.n ?? 0
+    const realFeedback = db.prepare('SELECT COUNT(*) as n FROM feedback').get()?.n ?? 0
     res.json({
       combatLosses: { us: lossesUs || null, iran: lossesIr || null },
       keyLocations: { us: locUs || [], iran: locIr || [] },
       situationUpdates: updates || [],
       forceSummary: { us: summaryUs || null, iran: summaryIr || null },
+      displayStats: {
+        viewers: displayStats?.viewers ?? liveViewers,
+        cumulative: displayStats?.cumulative ?? realCumulative,
+        shareCount: displayStats?.share_count ?? realShare,
+        likeCount: displayStats?.like_count ?? 0,
+        feedbackCount: displayStats?.feedback_count ?? realFeedback,
+      },
     })
   } catch (err) {
     console.error(err)
@@ -343,4 +360,39 @@ router.put('/edit/force-summary', (req, res) => {
   }
 })
 
+/** PUT 更新展示统计（看过、在看、分享、点赞、留言）。传 null 表示清除覆盖、改用实时统计 */
+router.put('/edit/display-stats', (req, res) => {
+  try {
+    db.prepare('INSERT OR IGNORE INTO display_stats (id) VALUES (1)').run()
+    const updates = []
+    const values = []
+    const setField = (key, bodyKey) => {
+      const v = req.body?.[bodyKey ?? key]
+      if (v === undefined) return
+      if (v === null) {
+        updates.push(`${key} = ?`)
+        values.push(null)
+        return
+      }
+      const n = Math.max(0, parseInt(v, 10))
+      if (!Number.isFinite(n)) throw new Error(`${bodyKey ?? key} must be number`)
+      updates.push(`${key} = ?`)
+      values.push(n)
+    }
+    setField('viewers')
+    setField('cumulative')
+    setField('share_count', 'shareCount')
+    setField('like_count', 'likeCount')
+    setField('feedback_count', 'feedbackCount')
+    if (updates.length === 0) return res.status(400).json({ error: 'no fields to update' })
+    values.push(1)
+    db.prepare(`UPDATE display_stats SET ${updates.join(', ')} WHERE id = ?`).run(...values)
+    broadcastAfterEdit(req)
+    res.json({ ok: true })
+  } catch (err) {
+    console.error(err)
+    res.status(400).json({ error: err.message })
+  }
+})
+
 module.exports = router