diff --git a/SampleSrc/Upload.bat b/SampleSrc/Upload.bat
index bfab95a..a187e2e 100644
--- a/SampleSrc/Upload.bat
+++ b/SampleSrc/Upload.bat
@@ -2,6 +2,8 @@
 cd TestBuild
 
 %homedrive%%homepath%\bin\arduino-cli compile --fqbn esp32:esp32:m5stick-c --export-binaries TestBuild.ino
-%homedrive%%homepath%\bin\arduino-cli upload --fqbn esp32:esp32:m5stick-c -p %2 .
+if defined %2 %homedrive%%homepath%\bin\arduino-cli upload --fqbn esp32:esp32:m5stick-c -p %2 .
 
 cd ..
+
+echo ���̃E�B���h�E��‚���ƁA�V���A���|�[�g�̃��j�^��ʂ�\�����܂��B