diff --git a/script/tools/sshcmd.sh b/script/tools/sshcmd.sh
index ae8ad39b7eae3c7d3176f87ab9633b9c105a38bd..b09c05f91ba16215c70bd4c1a3845415f46712b2 100644
--- a/script/tools/sshcmd.sh
+++ b/script/tools/sshcmd.sh
@@ -117,6 +117,28 @@ do
         esac
 done
 
+
+function sshcmd_stable()
+{
+	cmd="$1"
+	destip="$2"
+	user=${3-root}
+	timeout=180
+
+	if [ "x${destip}" = "x" ]; then
+                destip="${testmachine}"
+        fi
+        if [ "x${destip}" = "x" -o "x${cmd}" = "x" ];then
+                echo "destip or cmd is empty."
+                exit 1
+        fi
+
+	cmd=${cmd//\"/\\\"}
+	cmd=${cmd//\$/\\\$}
+
+	ssh -i ~/.ssh/super_publish_rsa -o "ConnectTimeout ${timeout}" -o StrictHostKeyChecking=no -o ServerAliveInterval=60 ${SSHPORT} "${user}@${destip}" "${cmd}"
+}
+
 ######################
 # delet known hosts
 # Globals:
@@ -147,6 +169,6 @@ if [ "x${execcmd}" = "x" -o "x${machineip}" = "x" ];then
 fi
 
 delete_known_hosts
-sshcmd_comm "${execcmd}" "${machineip}" "${loginpassword}" "${loginuser}"
+sshcmd_stable "${execcmd}" "${machineip}" "${loginuser}"
 
 exit $?
diff --git a/script/tools/sshscp.sh b/script/tools/sshscp.sh
index cef0ea8fbf7df5ba2364a0083d03cd356054fa7c..21da46eebb182bf80796e9666b663672dad8ae34 100644
--- a/script/tools/sshscp.sh
+++ b/script/tools/sshscp.sh
@@ -101,6 +101,26 @@ function sshcmd_comm()
 	return $?
 }
 
+function sshcmd_stable()
+{
+	srccommand="$1"
+	descommand="$2"
+	local r_option="$3"
+	timeout=180
+
+        if [ "x${srccommand}" = "x" -o "x${descommand}" = "x" ];then
+		echo "srccommand or descommand is empty."
+                exit 1
+        fi
+
+	if [ "${r_option}" = "1" ]; then
+		r_option="-r"
+	else
+		r_option=""
+	fi
+
+	scp -i ~/.ssh/super_publish_rsa -o "ConnectTimeout ${timeout}" -o StrictHostKeyChecking=no -o ServerAliveInterval=60 ${SCPPORT} "${r_option}" "${srccommand}" "${descommand}"
+}
 
 ######################
 # 清空/root/.ssh/known_hosts 文件
@@ -156,6 +176,6 @@ fi
 delete_known_hosts
 for src_item in $(echo "${src}")
         do
-        sshcmd_comm "${src_item}" "${des}" "${loginpassword}" "${r_option_value}"
+        sshcmd_stable "${src_item}" "${des}" "${r_option_value}"
         done
 exit $?