diff --git a/server/src/db/index.ts b/server/src/db/index.ts
index 81135fe..da3dbe3 100644
--- a/server/src/db/index.ts
+++ b/server/src/db/index.ts
@@ -31,8 +31,20 @@ function wrapStmt(db: Database & any, sql: string): StmtCompat {
       try {
         stmt.bind(bindArray(params));
         stmt.step();
-        const changes = db.getRowsModified();
-        const lastInsertRowid = (db as any).lastInsertRowid?.() ?? 0;
+        const changes = Number(db.getRowsModified?.() ?? db.rowsModified ?? 0);
+        let lastInsertRowid = 0;
+        try {
+          const prop = db.lastInsertRowid;
+          if (typeof prop === 'number') lastInsertRowid = prop;
+          else if (typeof prop === 'bigint') lastInsertRowid = Number(prop);
+          else if (typeof prop === 'function') lastInsertRowid = Number(prop() ?? 0);
+        } catch {}
+        if (lastInsertRowid === 0 && changes > 0) {
+          try {
+            const tmp = db.exec('SELECT last_insert_rowid() AS id');
+            if (tmp && tmp[0] && tmp[0].values && tmp[0].values[0]) lastInsertRowid = Number(tmp[0].values[0][0]);
+          } catch {}
+        }
         return { changes, lastInsertRowid };
       } finally {
         stmt.free();
@@ -88,10 +100,7 @@ export async function initDb() {
   extended.prepareCompat = function (sql: string) { return wrapStmt(extended, sql); };
   extended.execCompat = function (sql: string) { extended.exec(sql); };
   extended.pragmaCompat = function (expr: string) {
-    if (/foreign_keys\s*=\s*ON/i.test(expr)) {
-      // sql.js 默认开启 FK？尝试显式设置
-      try { extended.exec('PRAGMA foreign_keys = ON;'); } catch {}
-    }
+    try { extended.exec(`PRAGMA ${expr};`); } catch {}
   };
   extended.save = function () {
     const data = extended.export();
@@ -101,6 +110,8 @@ export async function initDb() {
   db = extended;
   const d = extended;
 
+  try { d.pragmaCompat('foreign_keys = ON'); } catch {}
+
   const schemaPath = path.join(__dirname, 'schema.sql');
   const schema = fs.readFileSync(schemaPath, 'utf-8');
   try { d.execCompat(schema); d.save(); } catch (e) { console.error('Schema init error', e); }