diff --git a/build.bat b/build.bat
index 46f926a..55b4bab 100644
--- a/build.bat
+++ b/build.bat
@@ -10,4 +10,6 @@ rmdir /s /q MCSJ-x86\publish
 7z a -tzip MCSJ-x64.zip MCSJ-x64
 7z a -tzip MCSJ-x86.zip MCSJ-x86
 7z a -ttar MCSJ-x64.tar MCSJ-x64
-7z a -ttar MCSJ-x86.tar MCSJ-x86
\ No newline at end of file
+7z a -ttar MCSJ-x86.tar MCSJ-x86
+rmdir /s /q MCSJ-x64
+rmdir /s /q MCSJ-x86
\ No newline at end of file