diff --git a/library/think/Model.php b/library/think/Model.php
index 019cb8dc..7777e231 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -1855,7 +1855,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
      * @access public
      * @param string $model      模型名
      * @param string $foreignKey 关联外键
-     * @param string $localKey   关联主键
+     * @param string $localKey   当前模型主键
      * @param array  $alias      别名定义（已经废弃）
      * @param string $joinType   JOIN类型
      * @return HasOne
@@ -1895,7 +1895,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
      * @access public
      * @param string $model      模型名
      * @param string $foreignKey 关联外键
-     * @param string $localKey   关联主键
+     * @param string $localKey   当前模型主键
      * @return HasMany
      */
     public function hasMany($model, $foreignKey = '', $localKey = '')
@@ -1914,7 +1914,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
      * @param string $through    中间模型名
      * @param string $foreignKey 关联外键
      * @param string $throughKey 关联外键
-     * @param string $localKey   关联主键
+     * @param string $localKey   当前模型主键
      * @return HasManyThrough
      */
     public function hasManyThrough($model, $through, $foreignKey = '', $throughKey = '', $localKey = '')
diff --git a/library/think/model/relation/HasMany.php b/library/think/model/relation/HasMany.php
index 9624fc67..ba307ec7 100644
--- a/library/think/model/relation/HasMany.php
+++ b/library/think/model/relation/HasMany.php
@@ -24,7 +24,7 @@ class HasMany extends Relation
      * @param Model  $parent     上级模型对象
      * @param string $model      模型名
      * @param string $foreignKey 关联外键
-     * @param string $localKey   关联主键
+     * @param string $localKey   当前模型主键
      */
     public function __construct(Model $parent, $model, $foreignKey, $localKey)
     {
diff --git a/library/think/model/relation/HasOne.php b/library/think/model/relation/HasOne.php
index 99327da2..bb95ef19 100644
--- a/library/think/model/relation/HasOne.php
+++ b/library/think/model/relation/HasOne.php
@@ -23,7 +23,7 @@ class HasOne extends OneToOne
      * @param Model  $parent     上级模型对象
      * @param string $model      模型名
      * @param string $foreignKey 关联外键
-     * @param string $localKey   关联主键
+     * @param string $localKey   当前模型主键
      * @param string $joinType   JOIN类型
      */
     public function __construct(Model $parent, $model, $foreignKey, $localKey, $joinType = 'INNER')