diff --git a/skywalking-alarm/src/main/resources/config.properties b/skywalking-alarm/src/main/resources/config.properties
index 4bd1e299e..1f7d18185 100644
--- a/skywalking-alarm/src/main/resources/config.properties
+++ b/skywalking-alarm/src/main/resources/config.properties
@@ -1,68 +1,64 @@
-#告警处理线程数
+# The work thread num.
 server.process_thread_size=2
-#守护线程等待周期
+# The interval of daemon thread check.
 server.daemon_thread_wait_interval=50000
-#告警规则生效周期
+# The expired time of alarm rule caches
 server.alarm_rule_activity_interval=3600000
 
-#处理线程等待周期
+# The interval of work threads work.
 processthread.thread_wait_interval=5000
 
-#zookeeper连接地址
+#zookeeper connect url
 zkpath.connect_str=127.0.0.1:2181
-#zookeeper连接超时时间(单位:毫秒)
+#zookeeper connect timeout(ms)
 zkpath.connect_timeout=1000
-#zookeeper重试次数
+#zookeeper re-connect times
 zkpath.retry_times=3
-#zookeeper重试超时时间(单位:毫秒)
+#zookeeper re-connect timeout(ms)
 zkpath.retry_timeout=1000
-#告警规则的path前缀
+#zookeeper prefix path of store alarm rules
 zkpath.node_prefix=/skywalking
-#告警服务的处理线程注册地址
+#zookeeper path of register servers
 zkpath.register_server_path=/skywalking/alarm-server/register-servers
-#告警服务的协调器的竞争锁地址
+#zookeeper path of coordinator
 zkpath.coordinator_path=/skywalking/alarm-server/coordinator/lock
 
-#尝试成为协调器的竞争锁周期(单位:秒)
+#The interval of coordinator acquire lock. (s)
 coordinator.retry_get_coordinator_lock_interval=5
-#尝试成为协调器的等待时间(单位:毫秒)
+#The timeout of coordinator acquire lock. (ms)
 coordinator.retry_become_coordinator_wait_time=10000
-#检查是否需要重新分配的周期(单位:毫秒)
+#The interval of coordinator checks redistribute. (ms)
 coordinator.check_redistribute_interval=5000
-#检查所有处理线程的周期(单位:毫秒)
+#The interval of coordinator checks all process threads status. (ms)
 coordinator.check_all_process_thread_interval=500
 
-#数据库驱动类
+#database driver
 db.driver_class=com.mysql.jdbc.Driver
-#数据库连接地址
+#database connect url
 db.url=jdbc:mysql://localhost:3306/test
-#数据库用户名
+#database username
 db.user_name=root
-#数据库密码
+#database password
 db.password=root
-#数据库连接最大空闲数
+#database connection pool max idle.
 db.max_idle=1
-#数据库最大连接数
+#database connection pool max size.
 db.max_pool_size=20
-#数据连接超时时间
+#timeout of database connection.
 db.connect_timeout=10000
 
-#告警信息存在的redis服务器地址
+#redis addr
 alarm.redis_server=127.0.0.1:6379
-#redis的最大空闲连接数
+#redis client pool max idle.
 alarm.redis_max_idle=20
-#redis的最小空闲连接数
+#redis client pool min idle.
 alarm.redis_min_idle=1
-#redis最大连接数
+#redis client pool max size.
 alarm.redis_max_total=50
-#是否关闭告警发送
+#switch of alarm.
 alarm.alarm_off_flag=false
 
-alarm.checker.turn_on_exception_checker=true		
-#告警检查器：执行时间超时告警检查		
-alarm.checker.turn_on_execute_time_checker=true
-
-#邮件发送配置id
+#mai info
 mailsenderinfo.mail_host=smtp.qq.com
 mailsenderinfo.transport_protocol=smtp
 mailsenderinfo.smtp_auth=true
@@ -71,11 +67,11 @@ mailsenderinfo.username=skywalking
 mailsenderinfo.password=skywalking
 mailsenderinfo.sender=skywalking@foxmail.com
 mailsenderinfo.ssl_enable=true
-#邮件模板配置id
+#the url of sky-walking webui.
 templateinfo.portal_url=http://127.0.0.1:8080/skywalking
 
-#尝试获取轮询锁的周期(单位:毫秒)
+#The interval of re-get inspect lock. (ms)
 inspectthread.retry_get_inspect_lock_interval=10000
-#尝试检查用户列表的周期(单位:毫秒)
+#The interval of checking users. (ms)
 inspectthread.check_user_list_interval=300000