diff --git a/library/think/Model.php b/library/think/Model.php
index 6f74d388..726110b5 100644
--- a/library/think/Model.php
+++ b/library/think/Model.php
@@ -1998,7 +1998,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
             $trace = debug_backtrace(false, 2);
             $morph = Loader::parseName($trace[1]['function']);
         }
-        $type = $type ?: Loader::parseName($this->name);
+        $type = $type ?: get_class($this);
         if (is_array($morph)) {
             list($morphType, $foreignKey) = $morph;
         } else {
@@ -2024,7 +2024,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
             $trace = debug_backtrace(false, 2);
             $morph = Loader::parseName($trace[1]['function']);
         }
-        $type = $type ?: Loader::parseName($this->name);
+        $type = $type ?: get_class($this);
         if (is_array($morph)) {
             list($morphType, $foreignKey) = $morph;
         } else {
diff --git a/library/think/model/relation/MorphTo.php b/library/think/model/relation/MorphTo.php
index c8ef1a49..9136d78e 100644
--- a/library/think/model/relation/MorphTo.php
+++ b/library/think/model/relation/MorphTo.php
@@ -248,7 +248,7 @@ class MorphTo extends Relation
         $pk        = $model->getPk();
 
         $this->parent->setAttr($morphKey, $model->$pk);
-        $this->parent->setAttr($morphType, basename(get_class($model)));
+        $this->parent->setAttr($morphType, get_class($model));
         $this->parent->save();
 
         return $this->parent->setRelation($this->relation, $model);