diff --git a/library/think/Model.php b/library/think/Model.php
index d31efc33..c5b97bc4 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -590,6 +590,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
      * 更新数据
      * @access public
      * @param array $data 数据数组
+     * @param array $where 更新条件
      * @return integer
      */
     public static function update($data = [], $where = [])
@@ -702,7 +703,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
      * @param string|array $relations 关联名
      * @return Model
      */
-    public function relation($relations)
+    public function relationQuery($relations)
     {
         if (is_string($relations)) {
             $relations = explode(',', $relations);
diff --git a/library/think/db/Driver.php b/library/think/db/Driver.php
index 58368b98..97c57f8e 100644
--- a/library/think/db/Driver.php
+++ b/library/think/db/Driver.php
@@ -1947,7 +1947,7 @@ abstract class Driver
                         $result->isUpdate(true);
                         // 关联查询
                         if (!empty($options['relation'])) {
-                            $result->relation($options['relation']);
+                            $result->relationQuery($options['relation']);
                         }
                     }
                     $resultSet[$key] = $result;
@@ -2054,7 +2054,7 @@ abstract class Driver
                 $data->isUpdate(true);
                 // 关联查询
                 if (!empty($options['relation'])) {
-                    $data->relation($options['relation']);
+                    $data->relationQuery($options['relation']);
                 }
             }
         } else {