路由改进，精简代码。

modules/users/routes/users_route.js

@@ -6,16 +6,11 @@ var uc = require('../controllers/users_controller');
 var htmlPath = path.join(__dirname,'../../../','web/users/');
 
 router.get('/', function(req, res) {
-    if(!req.session.userAccount){
-        res.redirect('/login');
-    }
-    else{
-        res.redirect('/project-management');
-    }
+    res.redirect('/project-management');
 });
 
 router.get('/login', function(req, res) {
-  res.render('users/login', {});
+    res.render('users/login', {});
 });
 
 router.post('/login', uc.userLogin);