fix page cache middleware bug on windows

@@ -16,8 +16,8 @@ module.exports = {
     siteUrl: '//m.yohobuy.com',
     assetUrl: '//localhost:5001',
     domains: {
-        api: 'http://api-test3.yohops.com:9999/',
-        service: 'http://service-test3.yohops.com:9999/',
+        api: 'http://api.yoho.cn/',
+        service: 'http://service.yoho.cn/',
         liveApi: 'http://testapi.live.yohops.com:9999/',
         singleApi: 'http://api-test3.yohops.com:9999/'
 
@@ -67,7 +67,7 @@ module.exports = {
             port: '4444' // influxdb port
         },
         console: {
-            level: 'debug',
+            level: 'error',
             colorize: 'all',
             prettyPrint: true
         }

 
 'use strict';
 
-const path = require('path');
 const cachePage = require('../../config/cache');
 const logger = global.yoho.logger;
+const _ = require('lodash');
+
+function urlJoin(a, b) {
+    if (_.endsWith(a, '/') && _.startsWith(b, '/')) {
+        return a + b.substring(1, b.length);
+    } else if (!_.endsWith(a, '/') && !_.startsWith(b, '/')) {
+        return a + '/' + b;
+    } else {
+        return a + b;
+    }
+}
 
 module.exports = () => {
     return (req, res, next) => {
@@ -11,7 +21,7 @@ module.exports = () => {
         function onRender() {
             let route = req.route ? req.route.path : '';
             let appPath = req.app.mountpath;
-            let key = path.join(appPath, route.toString()); // route may be a regexp
+            let key = urlJoin(appPath, route.toString()); // route may be a regexp
 
             req.app.set('etag', false);