diff --git a/shadowsocks-libev-debian.sh b/shadowsocks-libev-debian.sh
index 58089e6..18bfa0c 100644
--- a/shadowsocks-libev-debian.sh
+++ b/shadowsocks-libev-debian.sh
@@ -129,8 +129,10 @@ function install(){
         if [ $? -ne 0 ]; then
             echo "nohup /usr/local/bin/ss-server -c /etc/shadowsocks/config.json > /dev/null 2>&1 &" >> /etc/rc.local
         fi
-        # Start shadowsocks
+        # Run shadowsocks in the background
         nohup /usr/local/bin/ss-server -c /etc/shadowsocks/config.json > /dev/null 2>&1 &
+        # Run success or not
+        ps -ef | grep -v grep | grep -v ps | grep -i '/usr/local/bin/ss-server' > /dev/null 2>&1
         if [ $? -eq 0 ]; then
             echo "Shadowsocks-libev start success!"
         else
diff --git a/shadowsocks-nodejs.sh b/shadowsocks-nodejs.sh
index 0d14082..f1fa083 100644
--- a/shadowsocks-nodejs.sh
+++ b/shadowsocks-nodejs.sh
@@ -151,6 +151,8 @@ function install(){
     # Run it in the background
     if [ -s /usr/local/bin/ssserver ]; then
         nohup ssserver -c /etc/config.json > /dev/null 2>&1 &
+        # Run success or not
+        ps -ef | grep -v grep | grep -v ps | grep -i 'node /usr/local/bin/ssserver' > /dev/null 2>&1
         if [ $? -eq 0 ]; then
             echo "Shadowsocks-nodejs start success!"
         else
diff --git a/shadowsocks.sh b/shadowsocks.sh
index dbff0b5..9ee4ab7 100644
--- a/shadowsocks.sh
+++ b/shadowsocks.sh
@@ -135,7 +135,10 @@ function install(){
         pip install gevent
         pip install shadowsocks
         if [ -f /usr/bin/ssserver ]; then
+            # Run shadowsocks in the background
             nohup ssserver -c /etc/config.json > /dev/null 2>&1 &
+            # Run success or not
+            ps -ef | grep -v grep | grep -v ps | grep -i '/usr/bin/python /usr/bin/ssserver' > /dev/null 2>&1
             if [ $? -eq 0 ]; then
                 echo "Shadowsocks start success!"
             else