diff --git a/checkService.sh b/checkService.sh
index b33343a..359de24 100755
--- a/checkService.sh
+++ b/checkService.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-## Usage 
+## Usage
 # 如果虚机上的shell里面不能执行sudu，这个脚本就能派上用场，在root用户下执行此脚本，也就绕过sudo限制了
 ## ./checkService.sh ztsjxxxt.jar "/usr/local/jar" ztsjxxxt "/home/ubuntu/" "production/investigate/backEnd/"
 
@@ -12,6 +12,17 @@ ossPath=$5
 
 PATH=PATH:/usr/bin:/usr/sbin
 
+function uploadLog ()
+{
+  echo "current user is ${USER}"
+  journalctl -n 1000 -xe -t autoDeploy > ${workDirectory}autoDeploy.log
+  ${workDirectory}ossutil cp ${workDirectory}autoDeploy.log  oss://ztupload/${ossPath}autoDeploy.log
+  if [ $? -ne 0 ]; then
+    echo "error: upload log to oss failed!"
+    exit 0
+  fi
+}
+
 cd $workDirectory
 echo "current path: $(pwd)"
 if [ ! -f "$fileName" ];then
@@ -21,19 +32,19 @@ fi
 
 oriSum=$(md5sum $fileName)
 oriSum="${oriSum%  *}"
-echo "origin file $fileName md5sum: $oriSum" 
+echo "origin file $fileName md5sum: $oriSum"
 
 if [ ! -d "$projectPath" ]; then
   echo "文件夹 $prjectPath 不存在!"
   exit 0
 fi
-
+ 
 cd $projectPath
 desSum=""
 if [ ! -f "$fileName" ];then
   cp ~/$fileName .
   exit 0
-else 
+else
   desSum=$(md5sum $fileName)
   desSum="${desSum%  *}"
   echo "current path: $(pwd)"
@@ -44,10 +55,16 @@ if [ ${oriSum} = ${desSum} ];then
   journalctl -n 1000 -xe -t autoDeploy > ${workDirectory}autoDeploy.log
   ${workDirectory}ossutil cp ${workDirectory}autoDeploy.log  oss://ztupload/${ossPath}autoDeploy.log
   echo "destination file is same with origin file，no need to replace"
+  uploadLog
   exit 0
 fi
-systemctl restart $serviceName 
+
+systemctl restart $serviceName
+if [ $? -ne 0 ]; then
+  echo "error: systemctl restart ${serviceName} failed!"
+  exit 0
+fi
+echo "ok: systemctl restart ${serviceName} success!"
+
 sleep 10
-journalctl -n 1000 -xe -t autoDeploy > ${workDirectory}autoDeploy.log
-${workDirectory}ossutil cp ${workDirectory}autoDeploy.log  oss://ztupload/${ossPath}autoDeploy.log
- 
+uploadLog
diff --git a/frontEndUpgrade.sh b/frontEndUpgrade.sh
index 1d0c396..0dde409 100755
--- a/frontEndUpgrade.sh
+++ b/frontEndUpgrade.sh
@@ -50,7 +50,9 @@ if [ ${oriSum} = ${desSum} ];then
 fi
 
 cd ~
-unzip $fileName
+rm dist -fr
+rm $projectName -fr
+unzip $fileName -fq
 echo "projectName: ${projectName}"
 mv dist ~/$projectName
 cd $projectPath
diff --git a/ossUpgrade.sh b/ossUpgrade.sh
index bb5e291..4a00d03 100755
--- a/ossUpgrade.sh
+++ b/ossUpgrade.sh
@@ -1,62 +1,93 @@
 #!/bin/bash
-# usage:
-## 这个脚本能正常工作的前提是 systemd脚本如果不是root，也能通过sudo 调用高级权限来执行。
-## 否则就要结合checkService.sh一起使用。那个单独放在一个服务里，用root用户执行
+#usage:
 # ./ossUpgrade.sh "stage/ztsjxxxt/frontEnd/" html.zip ztsjxxxt
+
+PATH=PATH:/usr/bin:/usr/sbin
 ossPath=$1 #末尾别忘了加/
 fileName=$2
 serviceName=$3
 projectName="${fileName%.*}"
 
-PATH=PATH:/usr/bin:/usr/sbin
-cd ~
-./ossutil stat oss://ztupload/${ossPath}$fileName > ${projectName}_oss.info
-ossInfo=$(cat ${projectName}_oss.info)
-out=${ossInfo##*Etag}
-out=${out%Last*}
-out=${out#*: }
-ossSum=${out,,}
-ossSum="${ossSum%  *}"
-echo "oss md5:"$ossSum
-result=$(echo $ossInfo | grep "error")
-if [[ "$result" != "" ]]; then
-  echo $result
-  exit 0
-fi
-curSum=$(md5sum $fileName)
-curSum="${curSum%  *}"
+function foundNew(){
+  cd ~
+  ./ossutil stat oss://ztupload/${ossPath}$fileName > ${projectName}_oss.info
+  ossInfo=$(cat ${projectName}_oss.info)
+  echo "${fileName} in oss info: " 
+  echo "  " $ossInfo
+  out=${ossInfo##*Length}
+  out=${out%Content-Md5*}
+  out=${out#*: }
+  ossLength=${out,,}
+  ossLength="${ossLength%  *}"
+  ossLength=$(echo $ossLength)
+  ossLength="${ossLength%% *}"
+  echo "ossLength " "|"${ossLength}"|"
+  result=$(echo $ossInfo | grep "error")
+  if [[ "$result" != "" ]]; then
+    echo $result
+    exit 0
+  fi
+
+  curLength=$(ls -l ${fileName} | awk '{print $5}')
+  if [ "${curLength}" = "" ];then
+    echo "${fileName} not exist, download it"
+    ./ossutil cp oss://ztupload/${ossPath}$fileName ${fileName}
+    curLength=$(ls -l ${fileName} | awk '{print $5}')
+    curLength=$(sed -i 's/\n//g' $curLength)
+  fi
+  echo "ossLength ${fileName} : "$ossLength
+  echo "curLength ${fileName} : "$curLength
+  logPath=${ossPath%/*}
+  logPath=${logPath%/*}/logs/
+  osslogPath=oss://ztupload/${logPath}autoDeploy.log
+  if [ "${ossLength}" = "${curLength}" ];then
+    return 0
+  else
+    return 1
+  fi
+}
+
+function process(){
+  cd ~
+  rm $fileName
+  echo "fileName: " $fileName
+  ./ossutil cp oss://ztupload/${ossPath}${fileName} ${fileName}
+}
+
+# function uploadLog(){
+  # journalctl -n 1000 -xe -t autoDeploy > ~/autoDeploy.log
+  # if [ $? = 0 ];then
+    # echo "uploaded log to ${osslogPath}"
+  # fi
+# }
+
+function main(){
+  echo " "
+  echo "start ossUpgrade service"
+  foundNew
+  result=$?
+  echo "result $result"
+  if [ $result = 0 ];then 
+      # uploadLog
+      echo "local temp file is same with oss file，no need to replace"
+      exit 0
+      echo "end ossUpgrade service"
+      echo " "
+  else
+      echo "local temp file $fileName is different from oss, will download..."
+  fi
+
+  process
+  sleep 10
+  # uploadLog
+  echo "replaced"
+  echo "end ossUpgrade service"
+  echo " "
+}
+
+main
 
-if [ "${curSum}" = "" ];then
-  ./ossutil cp oss://ztupload/${ossPath}$fileName > ${fileName}
-  curSum=$(md5sum $fileName)
-  curSum="${curSum%  *}"
-fi
-echo "local file $fileName md5:"$curSum
-all=$ossSum
-echo "oriMd5: "$all
-all=$curSum
-echo "curMd5: "$all
-logPath=${ossPath%/*}
-logPath=${logPath%/*}/logs/
-osslogPath=oss://ztupload/${logPath}autoDeploy.log
-if [ ${ossSum} = ${curSum} ];then
-  sudo journalctl -n 1000 -xe -t autoDeploy > ~/autoDeploy.log
-  ./ossutil cp ~/autoDeploy.log ${osslogPath} -f 
-  echo "uploaded log to ${osslogPath}"
-  echo "destination file is same with oss file，no need to replace"
-  exit 0
-else
-  echo "local file $fileName is different from oss, will download..."
-fi
 
-rm $fileName 
-echo "fileName: " $fileName
-./ossutil cp oss://ztupload/${ossPath}${fileName} ${fileName}
 
-sudo systemctl restart $serviceName
-sleep 10
 
-sudo journalctl -n 1000 -xe -t autoDeploy > ~/autoDeploy.log
-./ossutil cp ~/autoDeploy.log osslogPath -f 
-echo "replaced"