diff --git a/library/think/model/Collection.php b/library/think/model/Collection.php
index 08e11ad8..4e4bb4dc 100644
--- a/library/think/model/Collection.php
+++ b/library/think/model/Collection.php
@@ -16,6 +16,20 @@ use think\Model;
 
 class Collection extends BaseCollection
 {
+    /**
+     * 返回数组中指定的一列
+     * @param string        $column_key
+     * @param string|null   $index_key
+     * @return array
+     */
+    public function column($column_key, $index_key = null)
+    {
+        if (function_exists('array_column')) {
+            return array_column($this->toArray(), $column_key, $index_key);
+        }
+        return parent::column($column_key, $index_key);
+    }
+
     /**
      * 延迟预载入关联查询
      * @access public