逛作者页面soridid参数增加默认值

@@ -9,6 +9,7 @@ const mRoot = '../models';
 const indexModel = require(`${mRoot}/index`);
 const headerModel = require('../../../doraemon/models/header'); // 头部model
 const guangProcess = require(`${global.utils}/guang-process`);
+const stringProcess = require(`${global.utils}/string-process`);
 const Promise = require('bluebird');
 const channels = {
     boys: 1,
@@ -78,7 +79,7 @@ const _page = (req, res, next) => {
 
     /* 判断参数是否有效 */
     let tag = req.query.tag,
-        sortId = req.query.type,
+        sortId = req.query.type || 0,
         page = req.query.page,
         gender = req.query.gender,
         authorId = req.query.authorId,
@@ -89,7 +90,7 @@ const _page = (req, res, next) => {
     let uid = req.user.uid,
         udid = req.sessionID;
 
-    if (sortId && !isNaN(sortId)) {
+    if (!stringProcess.isNumeric(sortId)) {
         res.json({ code: 400, message: '参数错误', data: '' });
         return;
     }