fix: 优化docker 镜像

server/db.js

@@ -1,7 +1,7 @@
 const Database = require('better-sqlite3')
 const path = require('path')
 
-const dbPath = path.join(__dirname, 'data.db')
+const dbPath = process.env.DB_PATH || path.join(__dirname, 'data.db')
 const db = new Database(dbPath)
 
 // 启用外键
@@ -147,4 +147,19 @@ addUpdatedAt('force_asset')
 addUpdatedAt('key_location')
 addUpdatedAt('retaliation_current')
 
+// 来访统计：visits 用于在看（近期活跃 IP），visitor_count 用于累积人次（每次接入 +1）
+try {
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS visits (
+      ip TEXT PRIMARY KEY,
+      last_seen TEXT NOT NULL DEFAULT (datetime('now'))
+    );
+    CREATE TABLE IF NOT EXISTS visitor_count (
+      id INTEGER PRIMARY KEY CHECK (id = 1),
+      total INTEGER NOT NULL DEFAULT 0
+    );
+    INSERT OR IGNORE INTO visitor_count (id, total) VALUES (1, 0);
+  `)
+} catch (_) {}
+
 module.exports = db