diff --git a/docker-compose.yml b/docker-compose.yml
index c6c92339..ac5c2dab 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -27,7 +27,7 @@ services:
       # CRAWLAB_NOTIFICATION_MAIL_SERVER: smtp.exmaple.com  # STMP server address STMP 服务器地址
       # CRAWLAB_NOTIFICATION_MAIL_PORT: 465  # STMP server port STMP 服务器端口
       # CRAWLAB_NOTIFICATION_MAIL_SENDEREMAIL: admin@exmaple.com  # sender email 发送者邮箱
-      # CRAWLAB_NOTIFICATION_MAIL_SENDEREIDENTITY: admin@exmaple.com  # sender ID 发送者 ID
+      # CRAWLAB_NOTIFICATION_MAIL_SENDERIDENTITY: admin@exmaple.com  # sender ID 发送者 ID
       # CRAWLAB_NOTIFICATION_MAIL_SMTP_USER: username  # SMTP username SMTP 用户名
       # CRAWLAB_NOTIFICATION_MAIL_SMTP_PASSWORD: password  # SMTP password SMTP 密码
     ports: