diff --git a/scripts/update_centos.sh b/scripts/update_centos.sh
index c8148f4e9..b93b6a771 100755
--- a/scripts/update_centos.sh
+++ b/scripts/update_centos.sh
@@ -51,4 +51,4 @@ done
 echo -e "start mw success"
 
 cd /www/server/mdserver-web \
-&& sh /etc/init.d/mw default
\ No newline at end of file
+&& /etc/init.d/mw default
\ No newline at end of file