Changes for NTU General Affairs

app/models/user/role.rb

@@ -10,7 +10,7 @@ class Role < Attribute
   field :title, localize: true
   
   has_many :sub_roles, :autosave => true, :dependent => :destroy
-  has_many :users
+  has_and_belongs_to_many :users
   # has_many :statuses, :autosave => true, :dependent => :destroy
   # has_many :attribute_fields, :autosave => true, :dependent => :destroy
   has_many :role_statuses, :autosave => true, :dependent => :destroy