去掉没有用的属性

@@ -24,11 +24,6 @@ class Table
 
     public $options = array();
 
-    /**
-     * @var array
-     */
-    private $attributes = array();
-
     private $whereList = array();
 
     private $orderByList = array();
@@ -274,11 +269,19 @@ class Table
         return $this->db()->fetchRow($this->_getSql($_columns), $this->parameterMap);
     }
 
+    /**
+     * @param $name
+     * @param $value
+     */
     public function __set($name, $value)
     {
         $this->parameterMap[$name] = $value;
     }
 
+    /**
+     * @param $name
+     * @return mixed|null
+     */
     public function __get($name)
     {
         if (isset($this->parameterMap[$name])) {