diff --git a/apps/terminal/models/applet/applet.py b/apps/terminal/models/applet/applet.py
index 86c21f7e5..3193b5ea5 100644
--- a/apps/terminal/models/applet/applet.py
+++ b/apps/terminal/models/applet/applet.py
@@ -138,7 +138,7 @@ class Applet(JMSBaseModel):
         name = manifest['name']
         instance = cls.objects.filter(name=name).first()
         serializer = AppletSerializer(instance=instance, data=manifest)
-        serializer.is_valid()
+        serializer.is_valid(raise_exception=True)
         instance = serializer.save(builtin=builtin)
         instance.load_platform_if_need(path)
 
diff --git a/apps/terminal/serializers/applet.py b/apps/terminal/serializers/applet.py
index 79427b4b6..aa3623436 100644
--- a/apps/terminal/serializers/applet.py
+++ b/apps/terminal/serializers/applet.py
@@ -27,7 +27,8 @@ class AppletPublicationSerializer(serializers.ModelSerializer):
 class AppletSerializer(serializers.ModelSerializer):
     icon = serializers.ReadOnlyField(label=_("Icon"))
     type = LabeledChoiceField(choices=Applet.Type.choices, label=_("Type"))
-    edition = LabeledChoiceField(choices=Applet.Edition.choices, label=_("Edition"))
+    edition = LabeledChoiceField(choices=Applet.Edition.choices, label=_("Edition"), required=False,
+                                 default=Applet.Edition.community)
 
     class Meta:
         model = Applet