diff --git a/install.sh b/install.sh
index 86a942b..86d2e38 100644
--- a/install.sh
+++ b/install.sh
@@ -251,16 +251,24 @@ installTLS(){
         exit 0
     fi
     echoContent green "  Nginx启动成功，TLS配置成功--->\n"
+    # 增加定时任务定时维护证书
+    # reInstallTLS $1
     installV2Ray $1 ${customPath}
 }
 
 # 重新安装&更新tls证书
-reloadInstallTLS(){
+reInstallTLS(){
+    echoContent yellow "添加定时维护证书"
     touch /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
+    touch /etc/nginx/v2ray-agent-https/backup_crontab.cron
+    # 定时任务
+    echo "40 0 * * * bash /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh" > /etc/nginx/v2ray-agent-https/backup_crontab.cron
+    # 备份
+    crontab -l > /etc/nginx/v2ray-agent-https/backup_crontab.cron
     echo "#!/usr/bin/env bash" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
     echo "domain=$1" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
 
-    echo "modifyTime=`stat test1.am1z.xyz.key|sed -n '6,6p'|awk '{print $2" "$3" "$4" "$5}'`" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
+    echo "modifyTime=`stat $1.key|sed -n '6,6p'|awk '{print $2" "$3" "$4" "$5}'`" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
     echo "modifyTime=`date +%s -d "${modifyTime}"`" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
     echo "currentTime=`date +%s`" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
     echo "stampDiff=`expr ${currentTime} - ${modifyTime}`" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
@@ -269,7 +277,16 @@ reloadInstallTLS(){
     echo "then" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
     echo "nginx -s stop" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
     echo "~/.acme.sh/acme.sh --installcert -d ${domain} --fullchainpath /etc/nginx/v2ray-agent-https/${domain}.crt --keypath /etc/nginx/v2ray-agent-https/${domain}.key --ecc >/dev/null" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
+    echo "nginx" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
     echo "fi" >> /etc/nginx/v2ray-agent-https/reloadInstallTLS.sh
+    crontab /etc/nginx/v2ray-agent-https/backup_crontab.cron
+    crontabResult=`crontab -l`
+    if [[ -z `crontab -l|grep -v grep|grep 'reloadInstallTLS'` ]]
+    then
+        echoContent green "添加定时维护证书"
+    else
+        echoContent red "添加定时维护证书失败"
+    fi
 
 }
 # V2Ray