diff --git a/logrun.sh b/logrun.sh
index 0411f51..94153fe 100644
--- a/logrun.sh
+++ b/logrun.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 cd `dirname $0`
-python_ver=$(ls /usr/lib|grep "^python"|tail -1)
+python_ver=$(ls /usr/bin|grep -e "^python[23]\.[1-9]\+$"|tail -1)
 eval $(ps -ef | grep "[0-9] ${python_ver} server\\.py m" | awk '{print "kill "$2}')
 ulimit -n 512000
 nohup ${python_ver} server.py m>> ssserver.log 2>&1 &
diff --git a/run.sh b/run.sh
index 16f1f64..0de8d20 100644
--- a/run.sh
+++ b/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 cd `dirname $0`
-python_ver=$(ls /usr/lib|grep "^python"|tail -1)
+python_ver=$(ls /usr/bin|grep -e "^python[23]\.[1-9]\+$"|tail -1)
 eval $(ps -ef | grep "[0-9] ${python_ver} server\\.py m" | awk '{print "kill "$2}')
 ulimit -n 512000
 nohup ${python_ver} server.py m>> /dev/null 2>&1 &
diff --git a/shadowsocks/logrun.sh b/shadowsocks/logrun.sh
index eb3afe2..fc081e1 100644
--- a/shadowsocks/logrun.sh
+++ b/shadowsocks/logrun.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 cd `dirname $0`
-python_ver=$(ls /usr/lib|grep "^python"|tail -1)
+python_ver=$(ls /usr/bin|grep -e "^python[23]\.[1-9]\+$"|tail -1)
 eval $(ps -ef | grep "[0-9] ${python_ver} server\\.py a" | awk '{print "kill "$2}')
 ulimit -n 512000
 nohup ${python_ver} server.py a>> ssserver.log 2>&1 &
diff --git a/shadowsocks/run.sh b/shadowsocks/run.sh
index 7950c4c..4372030 100644
--- a/shadowsocks/run.sh
+++ b/shadowsocks/run.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 cd `dirname $0`
-python_ver=$(ls /usr/lib|grep "^python"|tail -1)
+python_ver=$(ls /usr/bin|grep -e "^python[23]\.[1-9]\+$"|tail -1)
 eval $(ps -ef | grep "[0-9] ${python_ver} server\\.py a" | awk '{print "kill "$2}')
 ulimit -n 512000
 nohup ${python_ver} server.py a>> /dev/null 2>&1 &
diff --git a/shadowsocks/stop.sh b/shadowsocks/stop.sh
index 8139890..495b813 100644
--- a/shadowsocks/stop.sh
+++ b/shadowsocks/stop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 
-python_ver=$(ls /usr/lib|grep "^python"|tail -1)
+python_ver=$(ls /usr/bin|grep -e "^python[23]\.[1-9]\+$"|tail -1)
 eval $(ps -ef | grep "[0-9]  ${python_ver} server\\.py a" | awk '{print "kill "$2}')
 
diff --git a/stop.sh b/stop.sh
index edca32f..927e2f0 100644
--- a/stop.sh
+++ b/stop.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 
-python_ver=$(ls /usr/lib|grep "^python"|tail -1)
+python_ver=$(ls /usr/bin|grep -e "^python[23]\.[1-9]\+$"|tail -1)
 eval $(ps -ef | grep "[0-9]  ${python_ver} server\\.py m" | awk '{print "kill "$2}')