diff --git a/library/think/Collection.php b/library/think/Collection.php
index d88c3183..3fcba5cd 100644
--- a/library/think/Collection.php
+++ b/library/think/Collection.php
@@ -167,9 +167,9 @@ class Collection implements ArrayAccess, Countable, IteratorAggregate, JsonSeria
 
     /**
      * 在数组开头插入一个元素
-     * @param mixed $value
-     * @param null  $key
-     * @return int
+     * @param mixed     $value
+     * @param miexed    $key
+     * @return void
      */
     public function unshift($value, $key = null)
     {
@@ -180,6 +180,21 @@ class Collection implements ArrayAccess, Countable, IteratorAggregate, JsonSeria
         }
     }
 
+    /**
+     * 在数组结尾插入一个元素
+     * @param mixed  $value
+     * @param mixed  $key
+     * @return void
+     */
+    public function push($value, $key = null)
+    {
+        if (is_null($key)) {
+            $this->items[] = $value;
+        } else {
+            $this->items[$key] = $value;
+        }
+    }
+
     /**
      * 给每个元素执行个回调
      *