diff --git a/library/think/model/relation/BelongsToMany.php b/library/think/model/relation/BelongsToMany.php
index ccb43be4..486f08d8 100644
--- a/library/think/model/relation/BelongsToMany.php
+++ b/library/think/model/relation/BelongsToMany.php
@@ -186,7 +186,7 @@ class BelongsToMany extends Relation
      * @param string    $foreignKey 关联模型关联键
      * @param string    $localKey 当前模型关联键
      * @param array     $condition 关联查询条件
-     * @return \think\db\Query|string
+     * @return Query
      */
     protected function belongsToManyQuery($table, $foreignKey, $localKey, $condition = [])
     {
diff --git a/library/think/model/relation/HasManyThrough.php b/library/think/model/relation/HasManyThrough.php
index 9f4c0431..9339d505 100644
--- a/library/think/model/relation/HasManyThrough.php
+++ b/library/think/model/relation/HasManyThrough.php
@@ -54,19 +54,6 @@ class HasManyThrough extends Relation
         return $this->select();
     }
 
-    /**
-     * 预载入关联查询
-     * @access public
-     * @param Query     $query 查询对象
-     * @param string    $relation 关联名
-     * @param bool      $first 是否需要使用基础表
-     * @return void
-     */
-    public function eagerly(Query $query, $relation, $subRelation, $closure, $first)
-    {
-
-    }
-
     /**
      * 预载入关联查询
      * @access public
@@ -79,7 +66,6 @@ class HasManyThrough extends Relation
      */
     public function eagerlyResultSet(&$resultSet, $relation, $subRelation, $closure, $class)
     {
-
     }
 
     /**
@@ -94,7 +80,6 @@ class HasManyThrough extends Relation
      */
     public function eagerlyResult(&$result, $relation, $subRelation, $closure, $class)
     {
-
     }
 
     /**
diff --git a/library/think/model/relation/MorphTo.php b/library/think/model/relation/MorphTo.php
index 2b370e08..6de1d4f4 100644
--- a/library/think/model/relation/MorphTo.php
+++ b/library/think/model/relation/MorphTo.php
@@ -73,12 +73,14 @@ class MorphTo extends Relation
     }
 
     /**
-     * 预载入关联查询 返回数据集
+     * 预载入关联查询
      * @access public
      * @param array     $resultSet 数据集
-     * @param string    $relation 关联名
+     * @param string    $relation 当前关联名
+     * @param string    $subRelation 子关联名
+     * @param \Closure  $closure 闭包
      * @param string    $class 数据集对象名 为空表示数组
-     * @return array
+     * @return void
      */
     public function eagerlyResultSet(&$resultSet, $relation, $subRelation, $closure, $class)
     {
@@ -116,12 +118,14 @@ class MorphTo extends Relation
     }
 
     /**
-     * 预载入关联查询 返回模型对象
+     * 预载入关联查询
      * @access public
      * @param Model     $result 数据对象
-     * @param string    $relation 关联名
+     * @param string    $relation 当前关联名
+     * @param string    $subRelation 子关联名
+     * @param \Closure  $closure 闭包
      * @param string    $class 数据集对象名 为空表示数组
-     * @return Model
+     * @return void
      */
     public function eagerlyResult(&$result, $relation, $subRelation, $closure, $class)
     {
@@ -139,7 +143,7 @@ class MorphTo extends Relation
      * @param array     $where 关联预查询条件
      * @param string    $relation 关联名
      * @param string    $subRelation 子关联
-     * @return array
+     * @return void
      */
     protected function eagerlyMorphToOne($model, $relation, &$result, $subRelation = '')
     {