diff --git a/Tools/Editor/ToolsEditor.cs b/Tools/Editor/ToolsEditor.cs
index b28a17b..acadbd3 100644
--- a/Tools/Editor/ToolsEditor.cs
+++ b/Tools/Editor/ToolsEditor.cs
@@ -1,3 +1,4 @@
+#if UNITY_EDITOR
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
@@ -533,3 +534,4 @@ public class ToolsEditor{
     #endregion
 #endif
 }
+#endif