diff --git a/README.md b/README.md
index 79a34ed1a8c4555b5f71e1308e10f7e36294cfdf..d7cab01d932cad3358214b2c532602ac16ebe9e2 100644
--- a/README.md
+++ b/README.md
@@ -13,13 +13,13 @@
 ## 安装
 
 
-使用composer安装
+1、使用composer安装
 
 ~~~
 composer install
 ~~~
 
-配置域名（下面以monitor.test.top为例）
+2、配置域名（下面以monitor.test.top为例）
 ~~~
 server {
         listen        80;
@@ -36,7 +36,7 @@ server {
         }
 }
 ~~~
-Nginx伪静态
+3、Nginx伪静态
 ~~~
 location / {
    if (!-e $request_filename) {
@@ -44,10 +44,39 @@ location / {
     }
 }
 ~~~
-+ 复制install/struct.db到data/db/manager.db 数据库基础文件
-(main.sql是结构文件，struct.db是数据库文件可以直接用)
 
+4、复制sqlite数据库文件
 
+（1）自动复制
+    - composer install 命令执行完成后，自动复制数据库文件
+
+（2）如果发生未知错误，可以进行手动复制
+    - 可以直接执行 `php think copy_db_file` 快速进行复制
+      
+    - 复制install/struct.db到data/db/manager.db 数据库基础文件
+    (main.sql是结构文件，struct.db是数据库文件可以直接用)
+ 
+
+### 具体检测
+
+### 方式一：workerman定时器
+
+具体命令：
+```
+# 守护进程方式启动，每15秒执行一次定时器，定时检查域名，以及发送提醒邮件
+php think timer start --d --i 15
+
+# 停止
+php think timer stop
+
+# 重启
+php think timer restart --d --i 15
+
+```
+
+注：如果修改了代码，请务必重启定时器
+
+### 方式二：curl请求或linux定时任务
 
 ### 一、检测域名有效期
 ##### 定时任务api接口地址（如果域名数量小于30建议每天一次）
@@ -83,6 +112,6 @@ http://abc.manager.top/admin
 ### 四、其它说明
   + config/admin.php 管理员的登录账号信息
   + config/menus.php 后台管理菜单
-  + config/notice.php 配置距离多少天过期可以发送邮件
-  + data/db/manager.db 次乃sqlite数据库文件（不添加到版本控制）
-  + 确保runtime、data目录可写
\ No newline at end of file
+  + config/notice.php 配置距离多少天过期可以发送邮件，以及是否立即发送提醒邮件（默认开启）
+  + data/db/manager.db 以及sqlite数据库文件（不添加到版本控制）
+  + 确保runtime、data目录可写
diff --git a/application/admin/view/domain/form.html b/application/admin/view/domain/form.html
index 38cffe99a85a823ffd3c55ea3fbbd48611311fbc..21c6ead8c4b6682c84d1a3dae79d4de04260a64a 100644
--- a/application/admin/view/domain/form.html
+++ b/application/admin/view/domain/form.html
@@ -16,7 +16,7 @@
         <div class="row cl">
             <label class="form-label col-xs-4 col-sm-3"><span class="c-red">*</span>域名地址：</label>
             <div class="formControls col-xs-8 col-sm-9">
-                <input type="hidden" name="id" value="{$data?$data.id:''}">
+                <input type="hidden" id="id" name="id" value="{$data?$data.id:''}">
                 <input type="text" class="input-text" autocomplete="off" value="{$data?$data.domain:''}" placeholder="请输入域名完整地址"  id="domain" name="domain">
                 <span class="c-red">http（s）://开头的完整地址，比如https://bs.top</span>
             </div>
@@ -40,12 +40,12 @@
         <div class="row cl">
             <label class="form-label col-xs-4 col-sm-3">备注：</label>
             <div class="formControls col-xs-8 col-sm-9">
-                <textarea name="remark" cols="" rows="" autocomplete="off"  class="textarea"  placeholder="输入备注说明" >{$data?$data.remark:''}</textarea>
+                <textarea id="remark" name="remark" cols="" rows="" autocomplete="off"  class="textarea"  placeholder="输入备注说明" >{$data?$data.remark:''}</textarea>
             </div>
         </div>
         <div class="row cl">
             <div class="col-xs-8 col-sm-9 col-xs-offset-4 col-sm-offset-3">
-                <a class="btn btn-primary radius" type="submit" onclick="form_submit(['domain'])">&nbsp;&nbsp;提交&nbsp;&nbsp;</a>
+                <a class="btn btn-primary radius" type="submit" onclick="form_submit(['domain'], false, false, submitCallBack)">&nbsp;&nbsp;提交&nbsp;&nbsp;</a>
                 {if empty($Request.param.from)}
                 <a class="btn btn-default radius" style="margin-left: 10px" target="_parent" href="{:url('index')}">&nbsp;&nbsp;返回&nbsp;&nbsp;</a>
                 {/if}
@@ -57,6 +57,14 @@
 {include file="public/footer"}
 <script src="/static/lib/jquery.form/jq.form.js"></script>
 <script>
+    function submitCallBack(res) {
+        if ($('#id').val() === '' && res.code === 0) {
+            $('#domain').val('')
+            $('#status-1').prop("checked", true);
+            $('#status-2').prop("checked", false);
+            $('#remark').val('')
+        }
+    }
 </script>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/application/command/CopyDB.php b/application/command/CopyDB.php
new file mode 100644
index 0000000000000000000000000000000000000000..5b5f1887cdb0de8c15f2e7e17e317bfac0270a2f
--- /dev/null
+++ b/application/command/CopyDB.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace app\command;
+
+use think\console\Command;
+use think\console\Input;
+use think\console\Output;
+
+
+class CopyDB extends Command
+{
+    protected function configure()
+    {
+        $this->setName('copy_db_file')
+            ->setDescription("复制sqlite数据库")
+            ->setHelp("php think copy_db_file");
+    }
+
+
+    protected function execute(Input $input, Output $output)
+    {
+        $output->writeln('开始复制sqlite数据库... ' . date('Y-m-d H:i:s'));
+
+        $rootDir = __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR;
+
+        $filePath = $rootDir . 'install' . DIRECTORY_SEPARATOR . 'struct.db';
+
+        $targetFile = $rootDir . 'data' . DIRECTORY_SEPARATOR . 'db' . DIRECTORY_SEPARATOR . 'manager.db';
+
+        if (!is_dir($rootDir . 'data' . DIRECTORY_SEPARATOR . 'db')) {
+            mkdir($rootDir . 'data' . DIRECTORY_SEPARATOR . 'db', '0777', true);
+        }
+
+        if (!file_exists($filePath)) {
+            $output->writeln('源数据库文件不存在 ' . date('Y-m-d H:i:s'));
+        } else {
+            if (file_exists($targetFile)) {
+                $output->writeln('数据库文件已复制, 忽略本次操作 ' . date('Y-m-d H:i:s'));
+            } else {
+                if (!copy($filePath, $targetFile)) {
+                    $output->writeln('复制数据库文件失败! ' . date('Y-m-d H:i:s'));
+                } else {
+                    $output->writeln('复制数据库文件结束... ' . date('Y-m-d H:i:s'));
+                }
+            }
+        }
+    }
+}
diff --git a/application/command/Timer.php b/application/command/Timer.php
new file mode 100644
index 0000000000000000000000000000000000000000..2964e5658997340c06954362cadf24e9e5c6e066
--- /dev/null
+++ b/application/command/Timer.php
@@ -0,0 +1,116 @@
+<?php
+
+namespace app\command;
+
+
+use think\console\Command;
+use think\console\Input;
+use think\console\input\Argument;
+use think\console\input\Option;
+use think\console\Output;
+use Workerman\Worker;
+
+/**
+ *
+ * @ClassName Timer
+ * @Version 1.0
+ * @Description
+ * @package app\command
+ */
+class Timer extends Command
+{
+    // 定时器句柄/ID
+    protected $timer;
+
+    // 时间间隔 (单位: 秒, 默认5秒)
+    protected $interval = 1;
+
+    protected function configure()
+    {
+        $this->setName('timer')
+            ->addArgument('status', Argument::REQUIRED, 'start/stop/reload/status/connections')
+            ->addOption('d', null, Option::VALUE_NONE, 'daemon（守护进程）方式启动')
+            ->addOption('i', null, Option::VALUE_OPTIONAL, '多长时间执行一次')
+            ->setDescription('start/stop/reload/status/connections 定时任务。eg: php think timer start --d --i 3 表示守护进程方式启动，每隔3秒执行定时器');
+    }
+
+    /**
+     * 创建定时器
+     * @param Input $input
+     * @param Output $output
+     * @return int|void|null
+     */
+    protected function execute(Input $input, Output $output)
+    {
+        $this->init($input, $output);
+        // 创建定时器任务
+        $worker = new Worker();
+        $worker->count = 2;
+        $worker->onWorkerStart = [$this, 'start'];
+        $worker::runAll();
+    }
+
+    /**
+     * 定时器执行的内容
+     * @return false|int
+     */
+    public function start(Worker $worker)
+    {
+        // 第一个进程执行检查
+        if ($worker->id === 0) {
+            $this->timer = \Workerman\Lib\Timer::add($this->interval, function () {
+                try {
+                    trace('任务开始' . date('y-m-d H:i:s'), 'check_domain');
+
+                    \app\common\service\Timer::check_domain();
+
+                    trace('任务结束' . date('y-m-d H:i:s'), 'check_domain');
+
+                } catch (\Exception $e) {
+                    echo 'ERROR: ' . $e->getMessage() . PHP_EOL;
+                    $this->stop();
+                }
+            });
+        }
+
+        // 第二个进程执行发送邮件
+        if ($worker->id === 1) {
+            $this->timer = \Workerman\Lib\Timer::add($this->interval, function () {
+                try {
+                    \app\common\service\Timer::send_mail();
+
+                } catch (\Exception $e) {
+                    echo 'ERROR: ' . $e->getMessage() . PHP_EOL;
+                    $this->stop();
+                }
+            });
+        }
+
+        return $this->timer;
+    }
+
+    /**
+     * 停止/删除定时器
+     * @return bool
+     */
+    public function stop()
+    {
+        return \Workerman\Lib\Timer::del($this->timer);
+    }
+
+    protected function init(Input $input, Output $output)
+    {
+        global $argv;
+
+        if ($input->hasOption('i')) {
+            $this->interval = (float)$input->getOption('i');
+        }
+
+        $argv[1] = $input->getArgument('status') ?: 'start';
+        if ($input->hasOption('d')) {
+            $argv[2] = '-d';
+        } else {
+            unset($argv[2]);
+        }
+    }
+}
diff --git a/application/common/service/Timer.php b/application/common/service/Timer.php
index 49151844a14c6cc3413dedc3c644963dbba75dd2..82f1f275815cdd9057d1443fae5d16e158752259 100644
--- a/application/common/service/Timer.php
+++ b/application/common/service/Timer.php
@@ -17,9 +17,15 @@ class Timer
         //每天一次
         $where[] = ['last_check_time', '<', strtotime('today')];
         $data = $model->list_data_for_check($where, input('limit', 30, 'intval'));
-        if (empty($data)) return data_return_error('暂无需要检测的域名', -1, [], false);
+        if (empty($data)) {
+            return data_return_error('暂无需要检测的域名', -1, [], false);
+        }
         $update = [];
         $notices = [];
+        //提前x天提示
+        $day = config('notice.https_expire');
+        // 是否发送测试邮件
+        $sendMailImmediately = config('notice.send_mail_immediately');
         foreach ($data as $value) {
             $info = Bs::get_cert_info($value['domain']);
             $up = [
@@ -31,10 +37,8 @@ class Timer
                     'start_time' => $info['data']['validFrom_time_t'],
                     'end_time' => $info['data']['validTo_time_t'],
                 ]);
-                //提前x天提示
-                $day = config('notice.https_expire');
                 $noticeExpire = ($day > 0 ? $day : 15) * 86400;
-                if ($info['data']['validTo_time_t'] < time() + $noticeExpire) {
+                if ($sendMailImmediately || $info['data']['validTo_time_t'] < time() - $noticeExpire) {
                     $notices[] = [
                         'content' => '域名' . (Bs::parse_domain($value['domain'])) . '的https证书即将到期，到期时间为：' . date('Y-m-d H:i:s', $info['data']['validTo_time_t']) . '，请及时续约，以免到期造成访问异常问题~'
                     ];
@@ -98,4 +102,4 @@ class Timer
 
         return data_return('ok', count($data), 0, false);
     }
-}
\ No newline at end of file
+}
diff --git a/composer.json b/composer.json
index c5fc17b9ae9f2a83d9ecb1687521653302cb6613..1eab6a5852e0f1bf353ed65d3c7416f14d81065f 100644
--- a/composer.json
+++ b/composer.json
@@ -17,12 +17,13 @@
     ],
     "require": {
         "php": ">=5.6.0",
+        "ext-iconv": "*",
+        "ext-openssl": "*",
+        "ext-json": "*",
         "topthink/framework": "5.1.*",
         "topthink/think-captcha": "2.*",
-      "ext-iconv": "*",
-      "ext-openssl": "*",
         "phpmailer/phpmailer": "^6.6",
-      "ext-json": "*"
+        "topthink/think-worker": "1.0.*"
     },
     "autoload": {
         "psr-4": {
@@ -37,5 +38,10 @@
         "allow-plugins": {
             "topthink/think-installer": true
         }
+    },
+    "scripts": {
+        "post-autoload-dump": [
+            "@php think copy_db_file"
+        ]
     }
 }
diff --git a/composer.lock b/composer.lock
index 78b78e566564a19004a96968018bbe453d850b10..96d9b525d1dc80f1ca9c3bc50d0f332c428907a9 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "96341c3837183afb974d0d3d5a580735",
+    "content-hash": "6ef9ac4866fa583854149fd549780699",
     "packages": [
         {
             "name": "phpmailer/phpmailer",
@@ -226,6 +226,110 @@
                 "source": "https://github.com/top-think/think-installer/tree/v2.0.5"
             },
             "time": "2021-01-14T12:12:14+00:00"
+        },
+        {
+            "name": "topthink/think-worker",
+            "version": "v1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/top-think/think-worker.git",
+                "reference": "b609ff5e38dbb7194aab027d2b2c6b31a7ed1bd1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/top-think/think-worker/zipball/b609ff5e38dbb7194aab027d2b2c6b31a7ed1bd1",
+                "reference": "b609ff5e38dbb7194aab027d2b2c6b31a7ed1bd1",
+                "shasum": ""
+            },
+            "require": {
+                "workerman/workerman": "^3.3.0"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [],
+                "psr-4": {
+                    "think\\worker\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "authors": [
+                {
+                    "name": "liu21st",
+                    "email": "liu21st@gmail.com"
+                }
+            ],
+            "description": "workerman extend for thinkphp5",
+            "support": {
+                "issues": "https://github.com/top-think/think-worker/issues",
+                "source": "https://github.com/top-think/think-worker/tree/master"
+            },
+            "time": "2016-10-08T06:07:03+00:00"
+        },
+        {
+            "name": "workerman/workerman",
+            "version": "v3.5.32",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/walkor/workerman.git",
+                "reference": "10b24f0aaed93e5a29f3fdd68f3334b5b142c4bc"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/walkor/workerman/zipball/10b24f0aaed93e5a29f3fdd68f3334b5b142c4bc",
+                "reference": "10b24f0aaed93e5a29f3fdd68f3334b5b142c4bc",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3"
+            },
+            "suggest": {
+                "ext-event": "For better performance. "
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Workerman\\": "./"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "walkor",
+                    "email": "walkor@workerman.net",
+                    "homepage": "http://www.workerman.net",
+                    "role": "Developer"
+                }
+            ],
+            "description": "An asynchronous event driven PHP framework for easily building fast, scalable network applications.",
+            "homepage": "http://www.workerman.net",
+            "keywords": [
+                "asynchronous",
+                "event-loop"
+            ],
+            "support": {
+                "email": "walkor@workerman.net",
+                "forum": "http://wenda.workerman.net/",
+                "issues": "https://github.com/walkor/workerman/issues",
+                "source": "https://github.com/walkor/workerman",
+                "wiki": "http://doc.workerman.net/"
+            },
+            "funding": [
+                {
+                    "url": "https://opencollective.com/workerman",
+                    "type": "open_collective"
+                },
+                {
+                    "url": "https://www.patreon.com/walkor",
+                    "type": "patreon"
+                }
+            ],
+            "time": "2022-10-22T07:00:10+00:00"
         }
     ],
     "packages-dev": [],
@@ -237,7 +341,8 @@
     "platform": {
         "php": ">=5.6.0",
         "ext-iconv": "*",
-        "ext-openssl": "*"
+        "ext-openssl": "*",
+        "ext-json": "*"
     },
     "platform-dev": [],
     "plugin-api-version": "2.3.0"
diff --git a/config/database.php b/config/database.php
index 4558421b7e02ad558d4eb75cc9d27340a72addd9..943fa01876217092c9658a3e63b0dcb37206baf5 100644
--- a/config/database.php
+++ b/config/database.php
@@ -23,7 +23,7 @@ return [
     // 端口
     'hostport'        => '',
     // 连接dsn
-    'dsn'             => str_replace("\\",'/','sqlite:'.__DIR__.'/../data/db/manager.db'),
+    'dsn'             => 'sqlite:'.__DIR__. DIRECTORY_SEPARATOR .'..'. DIRECTORY_SEPARATOR .'data'. DIRECTORY_SEPARATOR .'db'. DIRECTORY_SEPARATOR .'manager.db',
     // 数据库连接参数
     'params'          => [],
     // 数据库编码默认采用utf8
diff --git a/config/notice.php b/config/notice.php
index 93d0be6fb76dde8a41ed181e497f2ebb2b55eb4b..086d94e3eccf292d995ed835a498b22566ce4ae4 100644
--- a/config/notice.php
+++ b/config/notice.php
@@ -2,4 +2,6 @@
 return [
     //https证书到期前x天提醒
     'https_expire' => 15,
-];
\ No newline at end of file
+    // 是否执行实时通知，开启后，每次检查域名都将发送邮件，不再到期前再提醒
+    'send_mail_immediately' => 1
+];