diff --git a/Assets/DemoGame/GameScript/Editor/CustomBuildTool.cs b/Assets/DemoGame/GameScript/Editor/CustomBuildTool.cs
index 444a2eb..ebfc156 100644
--- a/Assets/DemoGame/GameScript/Editor/CustomBuildTool.cs
+++ b/Assets/DemoGame/GameScript/Editor/CustomBuildTool.cs
@@ -64,7 +64,8 @@ namespace ZEditor
         private static void Run(BuildTarget buildTarget, string outputFilePath)
         {
             // 清空一下文件夹的内容，避免某些重叠问题
-            Directory.Delete(outputFilePath, true);
+            if (Directory.Exists(outputFilePath))
+                Directory.Delete(outputFilePath, true);
 
             switch (buildTarget)
             {