refactor user find

app/models/user.rb

@@ -1066,14 +1066,13 @@ class User < Principal
 
   # refactor User model find function,
   # return anonymous user when can not find user id = user_id
-  def self.find user_id
+  def self.find (*args, &block)
-    user = User.new
     begin
-      user = super
+      super
     rescue
-      user = self.anonymous
+      self.anonymous
     end
-    user
+    # super
   end
   # Salts all existing unsalted passwords
   # It changes password storage scheme from SHA1(password) to SHA1(salt + SHA1(password))