diff --git a/paramecio/libraries/db/extrafields/colorfield.py b/paramecio/libraries/db/extrafields/colorfield.py
index f53e10a..0878822 100644
--- a/paramecio/libraries/db/extrafields/colorfield.py
+++ b/paramecio/libraries/db/extrafields/colorfield.py
@@ -32,6 +32,7 @@ class ColorField(IntegerField):
         
         self.name_form=ColorForm
         self.jtype='string'
+        self.jexample='#f0f0f0'
     
     def check(self, value):
         
diff --git a/paramecio/libraries/db/extrafields/urlfield.py b/paramecio/libraries/db/extrafields/urlfield.py
index 8eb93d8..442642b 100644
--- a/paramecio/libraries/db/extrafields/urlfield.py
+++ b/paramecio/libraries/db/extrafields/urlfield.py
@@ -11,11 +11,15 @@ check_url = re.compile(
 
 class UrlField(CharField):
     
+    def __init__(self, name, size=1024, required=False):
+        
+        super().__init__(name, size, required)
+        self.jformat='url'
+    
     def check(self, value):
         
         self.error=False
         self.txt_error=''
-        self.jformat='url'
         
         if not check_url.match(value):
             
diff --git a/paramecio/libraries/sessionplugin.py b/paramecio/libraries/sessionplugin.py
index 42e48cb..ee5479c 100644
--- a/paramecio/libraries/sessionplugin.py
+++ b/paramecio/libraries/sessionplugin.py
@@ -69,14 +69,14 @@ def get_session():
     
     """Function for get the session from request object from bottle"""
     
-    return Session(request.environ.get('session', {}))
+    return request.environ.get('session', Session())
 
 def session_plugin(callback):
     
     def wrapper(*args, **kwargs):
         
         cookie=request.get_cookie(config.cookie_name)
-            
+        
         safe=None
         
         if not cookie:
@@ -170,8 +170,8 @@ class SessionPlugin(object):
                 except:
                     session=Session()
             
-            #if 'session' in kwargs:
-            kwargs['session']=session
+            if 'session' in kwargs:
+                kwargs['session']=session
             
             #For compatibility with old sessions server-side style. 
             
diff --git a/paramecio/modules/admin2/app.py b/paramecio/modules/admin2/app.py
index 9a5a6b3..80f230e 100644
--- a/paramecio/modules/admin2/app.py
+++ b/paramecio/modules/admin2/app.py
@@ -287,7 +287,7 @@ def logout_admin(session={}):
         
     redirect(app.get_url('admin_app.login_admin'))
     
-@admin_app.get('/change_lang')
+@admin_app.get('/change_lang', name='admin_app.change_lang')
 def change_lang():
     
     db=WebModel.connection()
diff --git a/paramecio/modules/admin2/libraries/loginplugin.py b/paramecio/modules/admin2/libraries/loginplugin.py
index 72d9701..0eec22c 100644
--- a/paramecio/modules/admin2/libraries/loginplugin.py
+++ b/paramecio/modules/admin2/libraries/loginplugin.py
@@ -17,7 +17,7 @@ def check_login(callback):
                 
                     return result
                 else:
-                    abort(403)
+                    abort(403, 'You need a valid cookie for access')
             
             if request.environ['session'].get('verify_auth', False):
                 redirect(app.get_url('admin_app.need_auth'))