diff --git a/spcd.sh b/spcd.sh
index de5db94..dbb374d 100644
--- a/spcd.sh
+++ b/spcd.sh
@@ -35,7 +35,7 @@ spcd_main() {
 	spcd_install_packages
 	spcd_install_python_modules
 	spcd_write_python_module
-	spcd_switch_to_python
+	spcd_switch_to_python "${@}"
 }
 
 # steps
@@ -707,10 +707,8 @@ ${spcd_ipm__url}
 			exit
 		spcd_ipm__script="${spcd_ipm__root}/${spcd_ipm__name}/spcd.sh"
 		if [ -f "${spcd_ipm__script}" ]; then
-			spcd_ipm__file="${spcd_ipm__root}/spcd.sh"
-			echo "${SPCD}" > "${spcd_ipm__file}"
-			ls -l "${spcd_ipm__file}"
-			sha256sum "${spcd_ipm__file}"
+			echo -n "${SPCD}" | sha256sum
+			echo -n "${SPCD}" | wc --bytes
 			sha256sum "${spcd_ipm__script}"
 		fi
 		spcd_ipm__path="${spcd_ipm__root}/${spcd_ipm__name}/${spcd_ipm__name}"
@@ -749,7 +747,7 @@ spcd_switch_to_python() {
 ${SPCD_PATH}
 ↓
 ${SPCD_PYTHON_PACKAGES}/${spcd_stp__name}"
-	"${SPCD_PYTHON_ALIAS}" -m "${spcd_stp__name}"
+	"${SPCD_PYTHON_ALIAS}" -m "${spcd_stp__name}" "${@}"
 }
 
 # functions
@@ -922,4 +920,4 @@ SPCD___UP="${SPCD_BOX_UP}${SPCD_HORIZONTAL}"
 SPCD_SHUT="${SPCD_BOX_UP}${SPCD_BOX_LEFT}"
 
 # run
-spcd_main
+spcd_main "${@}"