diff --git a/README.md b/README.md
index 7710dad..ea82478 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # mail.log
-记录mail server的一些信息.
+记录mail server的一些信息,攻击IP等.
 - 适用Debian 8、9
 
 crontab 定时任务,像这样.
diff --git a/mail.log.sh b/mail.log.sh
index 477d22d..dfbc8d9 100644
--- a/mail.log.sh
+++ b/mail.log.sh
@@ -10,8 +10,8 @@ function run()
     pwd_path="/root";
     TIME=`date +"%Y%m%d"`;
     log_file="${pwd_path}/${TIME}.log";
-	email_address="1605227279@qq.com";
-	num=9;
+    email_address="1605227279@qq.com";
+    num=9;
 
     echo "Read-Only Memory,ROM:" &>> ${log_file}
     df -am &>> ${log_file}