diff --git a/library/think/model/Relation.php b/library/think/model/Relation.php
index 4869e526..19a06c10 100644
--- a/library/think/model/Relation.php
+++ b/library/think/model/Relation.php
@@ -108,7 +108,8 @@ abstract class Relation
      * @access protected
      * @return void
      */
-    abstract protected function baseQuery();
+    protected function baseQuery()
+    {}
 
     public function __call($method, $args)
     {
diff --git a/library/think/model/relation/MorphTo.php b/library/think/model/relation/MorphTo.php
index df104a90..9136d78e 100644
--- a/library/think/model/relation/MorphTo.php
+++ b/library/think/model/relation/MorphTo.php
@@ -271,11 +271,4 @@ class MorphTo extends Relation
         return $this->parent->setRelation($this->relation, null);
     }
 
-    /**
-     * 执行基础查询（进执行一次）
-     * @access protected
-     * @return void
-     */
-    protected function baseQuery()
-    {}
 }
diff --git a/library/think/model/relation/OneToOne.php b/library/think/model/relation/OneToOne.php
index 7877eaaa..9cf307a5 100644
--- a/library/think/model/relation/OneToOne.php
+++ b/library/think/model/relation/OneToOne.php
@@ -311,11 +311,4 @@ abstract class OneToOne extends Relation
         return $data;
     }
 
-    /**
-     * 执行基础查询（进执行一次）
-     * @access protected
-     * @return void
-     */
-    protected function baseQuery()
-    {}
 }