diff --git a/bin/start.sh b/bin/start.sh
old mode 100644
new mode 100755
diff --git a/bin/stop.sh b/bin/stop.sh
old mode 100644
new mode 100755
index bc190b35a..d9cd2d95f
--- a/bin/stop.sh
+++ b/bin/stop.sh
@@ -2,4 +2,4 @@
 
 ./stup.sh stop mainte
 
-./stup.sh stop worker_1
\ No newline at end of file
+./stup.sh stop worker_1
diff --git a/bin/stup.sh b/bin/stup.sh
index 7d9278ebd..2cfde666f 100755
--- a/bin/stup.sh
+++ b/bin/stup.sh
@@ -1,10 +1,14 @@
  #!/bin/sh
     SERVICE=$2
-    CMD="./$2 -conf $3"
+    CMD="./$3 -conf $4"
  
     start(){
-        echo "starting..."
-        nohup $CMD > /dev/null 2>&1 &  
+        echo "starting $SERVICE..."
+
+        num=`ps -ef | grep $SERVICE | grep -v grep | wc -l`
+        if [ $num -eq 0 ]
+        then
+            nohup $CMD > /dev/null 2>&1 &  
             # nohup $CMD >output.log 2>&1 &
             if [ $? -ne 0 ]
             then
@@ -14,9 +18,14 @@
                 echo $! > $SERVICE.pid 
                 echo "start success"
             fi
+        else
+            echo "$SERVICE is already running"
+        fi
+
+
     }
     stop(){
-        echo "stopping..."
+        echo "stopping $SERVICE..."
         kill -9 `cat $SERVICE.pid`
         if [ $? -ne 0 ]
         then
@@ -47,4 +56,4 @@
         *)          echo "Usage: $0 {start|stop|restart|status}" ;;     
     esac  
  
-    exit 0
\ No newline at end of file
+    exit 0