diff --git a/scripts/update/debian.sh b/scripts/update/debian.sh
index 060e92635..dcc663cac 100644
--- a/scripts/update/debian.sh
+++ b/scripts/update/debian.sh
@@ -37,7 +37,11 @@ fi
 cd /www/server/mdserver-web/scripts && bash lib.sh
 chmod 755 /www/server/mdserver-web/data
 
+
 if [ -f /etc/rc.d/init.d/mw ];then
+    if [ -f /usr/bin/mw ];then
+        rm -rf /usr/bin/mw
+    fi
     bash /etc/rc.d/init.d/mw stop && rm -rf /www/server/mdserver-web/scripts/init.d/mw && rm -rf /etc/rc.d/init.d/mw
 fi