diff --git a/Megumin.UnityPackage/Packages/megumin.explosion4unity/Runtime/Scripts/NewClass/Attribute/NewButtonAttribute.cs b/Megumin.UnityPackage/Packages/megumin.explosion4unity/Runtime/Scripts/NewClass/Attribute/NewButtonAttribute.cs
index d44e85e..03096c8 100644
--- a/Megumin.UnityPackage/Packages/megumin.explosion4unity/Runtime/Scripts/NewClass/Attribute/NewButtonAttribute.cs
+++ b/Megumin.UnityPackage/Packages/megumin.explosion4unity/Runtime/Scripts/NewClass/Attribute/NewButtonAttribute.cs
@@ -229,8 +229,16 @@ protected void DrawReference(SerializedProperty property, GUIContent label, Rect
                     SelectedIndex.TryGetValue(indexCacheKey, out var index);
 
                     var oldSelectedIndex = index;
+
+                    var oldIndentLevel = EditorGUI.indentLevel;
+                    EditorGUI.indentLevel = 0;
+
+                    ///EditorGUI会自动应用缩进，导致Popup每个层级向右偏移15个单位
+                    ///这里Popup默认不出来缩进
                     index = EditorGUI.Popup(popPosition, index, SupportNames);
 
+                    EditorGUI.indentLevel = oldIndentLevel;
+
                     SelectedIndex[indexCacheKey] = index;
 
                     var targetType = SupportTypes[index];