diff --git a/library/think/Collection.php b/library/think/Collection.php
index 7b57ee03..41b42759 100644
--- a/library/think/Collection.php
+++ b/library/think/Collection.php
@@ -352,21 +352,6 @@ class Collection implements ArrayAccess, Countable, IteratorAggregate, JsonSeria
         return json_encode($this->toArray(), $options);
     }
 
-    /**
-     * 延迟预载入关联查询
-     * @access public
-     * @param mixed $relation 关联
-     * @return $this
-     */
-    public function load($relation)
-    {
-        $item = current($this->items);
-        if ($item instanceof Model) {
-            $item->eagerlyResultSet($this->items, $relation);
-        }
-        return $this;
-    }
-
     public function __toString()
     {
         return $this->toJson();
diff --git a/library/think/Model.php b/library/think/Model.php
index 14deb300..1e1d4460 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -14,6 +14,7 @@ namespace think;
 use InvalidArgumentException;
 use think\db\Query;
 use think\Exception\ValidateException;
+use think\model\Collection;
 use think\model\Relation;
 use think\model\relation\BelongsTo;
 use think\model\relation\BelongsToMany;
diff --git a/library/think/model/Collection.php b/library/think/model/Collection.php
new file mode 100644
index 00000000..81ca17a9
--- /dev/null
+++ b/library/think/model/Collection.php
@@ -0,0 +1,32 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: zhangyajun <448901948@qq.com>
+// +----------------------------------------------------------------------
+
+namespace think\model;
+
+use think\Collection as BaseCollection;
+
+class Collection extends BaseCollection
+{
+    /**
+     * 延迟预载入关联查询
+     * @access public
+     * @param mixed $relation 关联
+     * @return $this
+     */
+    public function load($relation)
+    {
+        $item = current($this->items);
+        if ($item instanceof Model) {
+            $item->eagerlyResultSet($this->items, $relation);
+        }
+        return $this;
+    }
+}