diff --git a/plugins/supervisor/install.sh b/plugins/supervisor/install.sh
index fb2c57e13..32fce94b9 100755
--- a/plugins/supervisor/install.sh
+++ b/plugins/supervisor/install.sh
@@ -16,8 +16,9 @@ OSNAME=`cat ${rootPath}/data/osname.pl`
 OSNAME_ID=`cat /etc/*-release | grep VERSION_ID | awk -F = '{print $2}' | awk -F "\"" '{print $2}'`
 
 
-
-source ${rootPath}/bin/activate
+if [ -f ${rootPath}/bin/activate ];then
+	source ${rootPath}/bin/activate
+fi
 
 Install_app()
 {