diff --git a/README.md b/README.md
index 7246279f..d5243c05 100644
--- a/README.md
+++ b/README.md
@@ -73,8 +73,8 @@ enabled = false
 bot_token = "<tg bot token>"
 chat_id = "<chat id>"
 # host 可用字段参见 payload.rs 文件 HostStat 结构
-online_tpl = "❗<b>Server Status</b>\n❗ {{ host.name }} 主机上线 🟢"
-offline_tpl = "❗<b>Server Status</b>\n❗ {{ host.name }} 主机下线 🔴"
+online_tpl = "❗<b>Server Status</b>\n❗ {{ host.location }} 地区的 {{ host.name }} 主机恢复上线 🟢"
+offline_tpl = "❗<b>Server Status</b>\n❗ {{ host.location }} 地区的 {{ host.name }} 主机已经下线 🔴"
 # 模板置空则停用自定义告警，只保留上下线通知
 custom_tpl = """
 {% if host.memory_used / host.memory_total > 0.5  %}
@@ -100,15 +100,18 @@ wget --no-check-certificate -qO docker-compose.yml 'https://raw.githubuserconten
 wget --no-check-certificate -qO config.toml 'https://raw.githubusercontent.com/zdz/ServerStatus-Rust/master/config.toml'
 touch stats.json
 docker network create traefik_gw
-# 默认使用 watchtower 自动更新，不需要可以去掉
 docker-compose up -d
 
+./stat_server -h
 # 手动运行
 ./stat_server
 # 或
 ./stat_server -c config.toml
 # 或
 RUST_BACKTRACE=1 RUST_LOG=trace ./stat_server -c config.toml
+
+# 测试通知是否生效
+./stat_server -c config.toml --notify-test
 ```
 
 ## 4.客户端说明
diff --git a/config.toml b/config.toml
index 9c54e85f..80873940 100644
--- a/config.toml
+++ b/config.toml
@@ -23,8 +23,8 @@ enabled = false
 bot_token = "<tg bot token>"
 chat_id = "<chat id>"
 # host 可用字段参见 payload.rs 文件 HostStat 结构
-online_tpl = "❗<b>Server Status</b>\n❗ {{ host.name }} 主机上线 🟢"
-offline_tpl = "❗<b>Server Status</b>\n❗ {{ host.name }} 主机下线 🔴"
+online_tpl = "❗<b>Server Status</b>\n❗ {{ host.location }} 地区的 {{ host.name }} 主机恢复上线 🟢"
+offline_tpl = "❗<b>Server Status</b>\n❗ {{ host.location }} 地区的 {{ host.name }} 主机已经下线 🔴"
 # 模板置空则停用自定义告警，只保留上下线通知
 custom_tpl = """
 {% if host.memory_used / host.memory_total > 0.5  %}
@@ -41,8 +41,8 @@ enabled = false
 corp_id = "<corp id>"
 corp_secret = "<corp secret>"
 agent_id = "<agent id>"
-online_tpl = "❗Server Status\n❗ {{ host.name }} 主机上线 🟢"
-offline_tpl = "❗Server Status\n❗ {{ host.name }} 主机下线 🔴"
+online_tpl = "❗Server Status\n❗ {{ host.location }} 地区的 {{ host.name }} 主机恢复上线 🟢"
+offline_tpl = "❗Server Status\n❗ {{ host.location }} 地区的 {{ host.name }} 主机已经下线 🔴"
 custom_tpl = """
 {% if host.memory_used / host.memory_total > 0.8  %}
 ❗{{ host.name }} 主机内存使用率超80%
@@ -60,8 +60,8 @@ username = "user@email.com"
 password = "***"
 to = "user1@email.com;user2@email.com"
 subject = "ServerStatus Notification"
-online_tpl = "❗<b>Server Status</b><br/>❗ {{ host.name }} 主机上线 🟢"
-offline_tpl = "❗<b>Server Status</b><br/>❗ {{ host.name }} 主机下线 🔴"
+online_tpl = "❗<b>Server Status</b><br/>❗ {{ host.location }} 地区的 {{ host.name }} 主机恢复上线 🟢"
+offline_tpl = "❗<b>Server Status</b><br/>❗ {{ host.location }} 地区的 {{ host.name }} 主机已经下线 🔴"
 custom_tpl = """
 {% if host.memory_used / host.memory_total > 0.8  %}
 <pre>❗{{ host.name }} 主机内存使用率超80%, 当前{{ (100 * host.memory_used / host.memory_total) | round }}%  </pre>
diff --git a/server/src/main.rs b/server/src/main.rs
index 5d8dd2b3..84cee3aa 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -15,6 +15,7 @@ use std::sync::Arc;
 use std::sync::Mutex;
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
 use tokio::net::TcpListener;
+use tokio::runtime::Handle;
 
 mod config;
 mod notifier;
@@ -139,6 +140,8 @@ async fn shutdown_signal() {
 struct Args {
     #[clap(short, long, default_value = "config.toml")]
     config: String,
+    #[clap(long = "notify-test", help = "test notify, default:false")]
+    notify_test: bool,
 }
 
 async fn serv_tcp() -> Result<()> {
@@ -215,7 +218,8 @@ async fn serv_tcp() -> Result<()> {
         });
     }
 }
-
+use std::thread;
+use std::time::Duration;
 #[tokio::main]
 async fn main() -> Result<()> {
     pretty_env_logger::init();
@@ -230,10 +234,11 @@ async fn main() -> Result<()> {
         process::exit(1);
     }
 
+    // init notifier
+    *notifier::NOTIFIER_HANDLE.lock().unwrap() = Some(Handle::current());
     let cfg = G_CONFIG.get().unwrap();
     let notifies: Arc<Mutex<Vec<Box<dyn notifier::Notifier + Send>>>> =
         Arc::new(Mutex::new(Vec::new()));
-    // init notifier
     if cfg.tgbot.enabled {
         let o = Box::new(notifier::tgbot::TGBot::new(&cfg.tgbot));
         notifies.lock().unwrap().push(o);
@@ -246,6 +251,18 @@ async fn main() -> Result<()> {
         let o = Box::new(notifier::email::Email::new(&cfg.email));
         notifies.lock().unwrap().push(o);
     }
+    // init notifier end
+
+    // notify test
+    if args.notify_test {
+        for notifier in &*notifies.lock().unwrap() {
+            eprintln!("send test message to {}", notifier.kind());
+            notifier.notify_test().unwrap();
+        }
+        thread::sleep(Duration::from_millis(7000)); // TODO: wait
+        eprintln!("Please check for notifications");
+        process::exit(0);
+    }
 
     // init mgr
     let mut mgr = crate::stats::StatsMgr::new();
diff --git a/server/src/notifier/email.rs b/server/src/notifier/email.rs
index 207f449c..593f3a3a 100644
--- a/server/src/notifier/email.rs
+++ b/server/src/notifier/email.rs
@@ -5,7 +5,7 @@ use lettre::{
     transport::smtp::authentication::Credentials,
     AsyncSmtpTransport, AsyncTransport, Message, Tokio1Executor,
 };
-use log::{error, info, trace};
+use log::{error, info};
 use serde::{Deserialize, Serialize};
 
 use crate::notifier::{add_template, get_tag, render_template, Event, HostStat, NOTIFIER_HANDLE};
@@ -106,8 +106,11 @@ impl crate::notifier::Notifier for Email {
         KIND
     }
 
+    fn notify_test(&self) -> Result<()> {
+        self.send_msg("❗ServerStatus test msg".to_string())
+    }
+
     fn notify(&self, e: &Event, stat: &HostStat) -> Result<()> {
-        trace!("{} notify {:?} => {:?}", self.kind(), e, stat);
         match *e {
             Event::NodeUp | Event::NodeDown => render_template(KIND, get_tag(e), stat)
                 .map(|content| self.send_msg(content))
diff --git a/server/src/notifier/mod.rs b/server/src/notifier/mod.rs
index 3c953fac..371b561f 100644
--- a/server/src/notifier/mod.rs
+++ b/server/src/notifier/mod.rs
@@ -1,5 +1,5 @@
 use anyhow::Result;
-use minijinja::{context, Environment};
+use minijinja::{context, Environment, Source};
 use once_cell::sync::Lazy;
 use std::sync::Mutex;
 use tokio::runtime::Handle;
@@ -23,6 +23,7 @@ pub enum Event {
 pub trait Notifier {
     fn kind(&self) -> &'static str;
     fn notify(&self, e: &Event, stat: &HostStat) -> Result<()>;
+    fn notify_test(&self) -> Result<()>;
 }
 
 fn get_tag(e: &Event) -> &'static str {
@@ -47,7 +48,7 @@ fn add_template<
         .lock()
         .as_mut()
         .map(|env| {
-            let mut s = env.source().unwrap().to_owned();
+            let mut s = env.source().unwrap_or(&Source::new()).to_owned();
             s.add_template(tpl_name, tpl).unwrap();
             env.set_source(s);
         })
diff --git a/server/src/notifier/tgbot.rs b/server/src/notifier/tgbot.rs
index a8ac6175..81367f67 100644
--- a/server/src/notifier/tgbot.rs
+++ b/server/src/notifier/tgbot.rs
@@ -1,6 +1,6 @@
 #![deny(warnings)]
 use anyhow::Result;
-use log::{error, info, trace};
+use log::{error, info};
 use reqwest;
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
@@ -91,8 +91,11 @@ impl crate::notifier::Notifier for TGBot {
         KIND
     }
 
+    fn notify_test(&self) -> Result<()> {
+        self.send_msg("❗ServerStatus test msg".to_string())
+    }
+
     fn notify(&self, e: &Event, stat: &HostStat) -> Result<()> {
-        trace!("{} notify {:?} => {:?}", self.kind(), e, stat);
         match *e {
             Event::NodeUp | Event::NodeDown => render_template(KIND, get_tag(e), stat)
                 .map(|content| self.send_msg(content))
diff --git a/server/src/notifier/wechat.rs b/server/src/notifier/wechat.rs
index caeb2350..207e4491 100644
--- a/server/src/notifier/wechat.rs
+++ b/server/src/notifier/wechat.rs
@@ -1,6 +1,6 @@
 #![deny(warnings)]
 use anyhow::Result;
-use log::{error, info, trace};
+use log::{error, info};
 use reqwest;
 use serde::{Deserialize, Serialize};
 use serde_json;
@@ -127,8 +127,11 @@ impl crate::notifier::Notifier for WeChat {
         KIND
     }
 
+    fn notify_test(&self) -> Result<()> {
+        self.send_msg("❗ServerStatus test msg".to_string())
+    }
+
     fn notify(&self, e: &Event, stat: &HostStat) -> Result<()> {
-        trace!("{} notify {:?} => {:?}", self.kind(), e, stat);
         match *e {
             Event::NodeUp | Event::NodeDown => render_template(KIND, get_tag(e), stat)
                 .map(|content| self.send_msg(content))
diff --git a/server/src/stats.rs b/server/src/stats.rs
index c9b56fd0..070984e6 100644
--- a/server/src/stats.rs
+++ b/server/src/stats.rs
@@ -220,13 +220,13 @@ impl StatsMgr {
         });
 
         // notify thread
-        *NOTIFIER_HANDLE.lock().unwrap() = Some(Handle::current());
         thread::spawn(move || loop {
             while let Ok(msg) = notifier_rx.recv() {
                 let (e, stat) = msg;
                 let notifiers = &*notifies.lock().unwrap();
                 trace!("recv notify => {:?}, {:?}", e, stat);
                 for notifier in notifiers {
+                    trace!("{} notify {:?} => {:?}", notifier.kind(), e, stat);
                     notifier.notify(&e, stat.borrow());
                 }
             }