diff --git a/middlewares/publicRoute.js b/middlewares/publicRoute.js
index 59b8943..498d449 100644
--- a/middlewares/publicRoute.js
+++ b/middlewares/publicRoute.js
@@ -2,7 +2,7 @@ const verifyAuth = require('./verifyAuth')
 
 const publicMiddleware = () => global._CC.config.wishlist.public
   ? (req, res, next) => {
-      if (!req.user) req.user = { _id: 'Unknown' }
+      if (!req.user) req.user = { _id: '_CCUNKNOWN' }
       next()
     }
   : verifyAuth()
diff --git a/middlewares/verifyAuth.js b/middlewares/verifyAuth.js
index bccd43e..aa823f3 100644
--- a/middlewares/verifyAuth.js
+++ b/middlewares/verifyAuth.js
@@ -9,7 +9,12 @@ module.exports = options => {
       return res.send('auth fail')
     }
     if (authed) return next()
-    if (_CC.config.guestPassword && req.query.pw === _CC.config.guestPassword) return next()
+    if (_CC.config.guestPassword && req.query.pw === _CC.config.guestPassword) {
+      req.user = {
+        _id: '_CCUNKNOWN'
+      }
+      return next()
+    }
     res.redirect(options.failureRedirect || config.defaultFailureRedirect)
   }
 }
diff --git a/views/includes/navbar.pug b/views/includes/navbar.pug
index 1a9f262..af148d5 100644
--- a/views/includes/navbar.pug
+++ b/views/includes/navbar.pug
@@ -21,7 +21,7 @@ nav.navbar.is-fixed-top(role='navigation', aria-label='main navigation',style='b
   .navbar-menu#navBarMenu
     .navbar-start
       if req.isAuthenticated()
-        if req.user._id === 'Unknown'
+        if req.user._id === '_CCUNKNOWN'
           .navbar-item
             a.button.is-primary(href='/login')= lang('NAVBAR_LOGIN')
         else
diff --git a/views/wishlists.pug b/views/wishlists.pug
index de246b6..87adb6f 100644
--- a/views/wishlists.pug
+++ b/views/wishlists.pug
@@ -2,7 +2,7 @@ extends layout.pug
 
 block content
   ul.noStyle.noLeftMargin
-    if req.user._id !== 'Unknown'
+    if req.user._id !== '_CCUNKNOWN'
       li
         a(href=`${_CC.config.base}wishlist/${req.user._id}`)
           .box