优化丑陋的代码

hydro/script/register.js

@@ -5,7 +5,7 @@ async function run({
     uname, password, mail, uid,
 }) {
     if (!uid) uid = await system.inc('user');
-    else uid = parseInt(uid);
+    else uid = parseInt(uid, 10);
     if (Number.isNaN(uid)) throw new Error('uid');
     await user.create({
         uid, uname, password, mail, regip: '127.0.0.1',