diff --git a/easytier-web/frontend/src/components/Login.vue b/easytier-web/frontend/src/components/Login.vue
index 44573c43..ae17adb7 100644
--- a/easytier-web/frontend/src/components/Login.vue
+++ b/easytier-web/frontend/src/components/Login.vue
@@ -47,7 +47,7 @@ const onRegister = async () => {
     }
 };
 
-const defaultApiHost = 'http://easytier.cn:11211'
+const defaultApiHost = 'https://config-server.easytier.cn'
 const apiHost = ref<string>(defaultApiHost)
 const apiHostSuggestions = ref<Array<string>>([])
 const apiHostSearch = async (event: { query: string }) => {
diff --git a/easytier/locales/app.yml b/easytier/locales/app.yml
index b525968d..266d31c9 100644
--- a/easytier/locales/app.yml
+++ b/easytier/locales/app.yml
@@ -5,11 +5,11 @@ core_clap:
     en: |+
       config server address, allow format:
       full url: --config-server udp://127.0.0.1:22020/admin
-      only user name: --config-server admin
+      only user name: --config-server admin, will use official server
     zh-CN: |+
       配置服务器地址。允许格式：
       完整URL：--config-server udp://127.0.0.1:22020/admin
-      仅用户名：--config-server admin
+      仅用户名：--config-server admin，将使用官方的服务器
   config_file:
     en: "path to the config file, NOTE: if this is set, all other options will be ignored"
     zh-CN: "配置文件路径，注意：如果设置了这个选项，其他所有选项都将被忽略"
diff --git a/easytier/src/easytier-core.rs b/easytier/src/easytier-core.rs
index 40c799a3..d50b6302 100644
--- a/easytier/src/easytier-core.rs
+++ b/easytier/src/easytier-core.rs
@@ -783,9 +783,12 @@ async fn run_main(cli: Cli) -> anyhow::Result<()> {
         let config_server_url_s = cli.config_server.clone().unwrap();
         let config_server_url = match url::Url::parse(&config_server_url_s) {
             Ok(u) => u,
-            Err(_) => format!("udp://easytier.cn:22020/{}", config_server_url_s)
-                .parse()
-                .unwrap(),
+            Err(_) => format!(
+                "udp://config-server.easytier.cn:22020/{}",
+                config_server_url_s
+            )
+            .parse()
+            .unwrap(),
         };
 
         let mut c_url = config_server_url.clone();
@@ -801,6 +804,8 @@ async fn run_main(cli: Cli) -> anyhow::Result<()> {
             c_url, token,
         );
 
+        println!("Official config website: https://easytier.cn/web");
+
         if token.is_empty() {
             panic!("empty token");
         }