修复导致崩溃的bug

mobile/control/member_address.php

@@ -240,7 +240,7 @@ class member_addressControl extends mbMemberControl
             $model_area = Model('area');
 
             if ($from === 'app') {
-                $area_list = $this->get_area_list($model_area,$area_id);
+                $area_list = $this->get_area_list($area_id);
             }
             else
             {
@@ -261,8 +261,9 @@ class member_addressControl extends mbMemberControl
         self::outsuccess(array('area_list' => $area_list));
     }
 
-    private function get_area_list($model_area,$area_id)
+    private function get_area_list($area_id)
     {
+        $model_area = Model('area');
         $condition = array();
         if ($area_id > 0) {
             $condition['area_parent_id'] = $area_id;