Polling to check usbus service

configfiles/ubus-status.sh

@@ -4,11 +4,11 @@ while true
 do
     nginx_status=$(/etc/init.d/dbus status | grep -o "running")
     datetime=$(date +"%Y-%m-%d %H:%M:%S")
-    pid2=$(pgrep "ubusd" | head -n 1)
+    pidv=$(pgrep "ubusd" | head -n 1)
 
     if [ -n "$nginx_status" ]; then
         echo "$datetime / Ubus服务正在运行，一切正常。"
-    elif [ -z "$pid2" ]; then
+    elif [ -z "$pidv" ]; then
         echo "$datetime / Ubus服务异常，正在重启Ubus。"
         /sbin/ubusd &
         killall rpcd