diff --git a/apps/common/models.py b/apps/common/models.py
index cb97b8988..012cd7351 100644
--- a/apps/common/models.py
+++ b/apps/common/models.py
@@ -45,10 +45,10 @@ class Setting(models.Model):
     def cleaned_value(self):
         try:
             value = self.value
-            if not isinstance(value, (str, bytes)):
-                return value
             if self.encrypted:
                 value = signer.unsign(value)
+            if not value:
+                return None
             value = json.loads(value)
             return value
         except json.JSONDecodeError:
diff --git a/apps/common/tree.py b/apps/common/tree.py
index 6b57a3db4..13756a35d 100644
--- a/apps/common/tree.py
+++ b/apps/common/tree.py
@@ -49,7 +49,9 @@ class TreeNode:
             return False
         elif not self.isParent and other.isParent:
             return True
-        return self.id > other.id
+        if self.pId != other.pId:
+            return self.pId > other.pId
+        return self.name > other.name
 
     def __eq__(self, other):
         return self.id == other.id