diff --git a/BUILD_DOC.md b/BUILD_DOC.md
index 5dc0ae0dd..7e8ea83a7 100644
--- a/BUILD_DOC.md
+++ b/BUILD_DOC.md
@@ -67,7 +67,7 @@ INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val
 INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val_desc`,`create_time`,`sts`,`modify_time`) VALUES (1003,'servers_addr_1','60.194.3.183:34000;60.194.3.183:35000;60.194.3.184:34000;60.194.3.184:35000;','string','日志采集地址-外网','2015-12-10 15:23:53','A','2015-12-10 15:23:53');
 --配置告警类型
 --config types of alarm
-INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val_desc`,`create_time`,`sts`,`modify_time`) VALUES ('1004', 'alarm_type_info', '[{\"type\":\"alarm\",\"label\":\"exception\",\"desc\":\"System exception\"},{\"type\":\"timeAlarm\",\"label\":\"mark\",\"desc\":\"Excution Time > 5s\"},{\"type\":\"timeWarning\",\"label\":\"mark\",\"desc\":\"Excution Time > 500ms\"}]', 'json', '告警类型', '2016-04-18 16:04:51', 'A', '2016-04-18 16:04:53');
+INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val_desc`,`create_time`,`sts`,`modify_time`) VALUES ('1004', 'alarm_type_info', '[{\"type\":\"default\",\"label\":\"exception\",\"desc\":\"System Exception\"},{\"type\":\"ExecuteTime-PossibleError\",\"label\":\"mark\",\"desc\":\"Excution Time > 5s\"},{\"type\":\"ExecuteTime-Warning\",\"label\":\"mark\",\"desc\":\"Excution Time > 500ms\"}]', 'json', '告警类型', '2016-04-18 16:04:51', 'A', '2016-04-18 16:04:53');
 ```
 - 注：2016-4-21日前的版本升级，system_config表config_id=1000,SQL语句更新，请注意修改，新增配置config_id=1004
 - 注：2016-4-8日前的版本升级，请升级脚本中的相关片段
diff --git a/skywalking-alarm/src/main/java/com/ai/cloud/skywalking/alarm/procesor/AlarmMessageProcessor.java b/skywalking-alarm/src/main/java/com/ai/cloud/skywalking/alarm/procesor/AlarmMessageProcessor.java
index 9c344aa4a..95628c18e 100644
--- a/skywalking-alarm/src/main/java/com/ai/cloud/skywalking/alarm/procesor/AlarmMessageProcessor.java
+++ b/skywalking-alarm/src/main/java/com/ai/cloud/skywalking/alarm/procesor/AlarmMessageProcessor.java
@@ -12,12 +12,13 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Properties;
 import java.util.Set;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+import redis.clients.jedis.Jedis;
+
 import com.ai.cloud.skywalking.alarm.model.AlarmMessage;
 import com.ai.cloud.skywalking.alarm.model.AlarmRule;
 import com.ai.cloud.skywalking.alarm.model.AlarmType;
@@ -32,7 +33,6 @@ import com.ai.cloud.skywalking.alarm.util.TemplateConfigurationUtil;
 
 import freemarker.template.Template;
 import freemarker.template.TemplateException;
-import redis.clients.jedis.Jedis;
 
 public class AlarmMessageProcessor {
 
diff --git a/skywalking-alarm/src/main/java/com/ai/cloud/skywalking/alarm/util/AlarmTypeUtil.java b/skywalking-alarm/src/main/java/com/ai/cloud/skywalking/alarm/util/AlarmTypeUtil.java
index a459f63d9..c92ef0389 100644
--- a/skywalking-alarm/src/main/java/com/ai/cloud/skywalking/alarm/util/AlarmTypeUtil.java
+++ b/skywalking-alarm/src/main/java/com/ai/cloud/skywalking/alarm/util/AlarmTypeUtil.java
@@ -33,12 +33,6 @@ public class AlarmTypeUtil {
 		if (alarmTypeList == null || alarmTypeList.isEmpty()) {
 			alarmTypeList = new ArrayList<AlarmType>();
 		} 
-		
-		AlarmType defaultType = new AlarmType();
-    	defaultType.setType("default");
-    	defaultType.setLabel("mark");
-    	defaultType.setDesc("Others");    	
-    	alarmTypeList.add(defaultType);
     	
     	return alarmTypeList;
 	}
diff --git a/skywalking-webui/src/main/sql/table.mysql b/skywalking-webui/src/main/sql/table.mysql
index a09a56d67..e126411be 100644
--- a/skywalking-webui/src/main/sql/table.mysql
+++ b/skywalking-webui/src/main/sql/table.mysql
@@ -224,7 +224,7 @@ INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val
 INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val_desc`,`create_time`,`sts`,`modify_time`) VALUES (1001,'portal_addr','http://10.1.235.197:48080/skywalking/','string','默认门户地址','2015-12-10 15:23:53','A','2015-12-10 15:23:53');
 INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val_desc`,`create_time`,`sts`,`modify_time`) VALUES (1002,'servers_addr','10.1.235.197:34000;10.1.235.197:35000;','string','日志采集地址','2015-12-10 15:23:53','A','2015-12-10 15:23:53');
 INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val_desc`,`create_time`,`sts`,`modify_time`) VALUES (1003,'servers_addr_1','XXX.XXX.XXX.XXX:34000;','string','日志采集地址-外网','2015-12-10 15:23:53','A','2015-12-10 15:23:53');
-INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val_desc`,`create_time`,`sts`,`modify_time`) VALUES ('1004', 'alarm_type_info', '[{\"type\":\"alarm\",\"label\":\"exception\",\"desc\":\"System exception\"},{\"type\":\"timeAlarm\",\"label\":\"mark\",\"desc\":\"Execution Time> 5s\"},{\"type\":\"timeWarning\",\"label\":\"mark\",\"desc\":\"Excution Time> 500ms\"}]', 'json', '告警类型', '2016-04-18 16:04:51', 'A', '2016-04-18 16:04:53');
+INSERT INTO `system_config` (`config_id`,`conf_key`,`conf_value`,`val_type`,`val_desc`,`create_time`,`sts`,`modify_time`) VALUES ('1004', 'alarm_type_info', '[{\"type\":\"default\",\"label\":\"exception\",\"desc\":\"System Exception\"},{\"type\":\"ExecuteTime-PossibleError\",\"label\":\"mark\",\"desc\":\"Excution Time > 5s\"},{\"type\":\"ExecuteTime-Warning\",\"label\":\"mark\",\"desc\":\"Excution Time > 500ms\"}]', 'json', '告警类型', '2016-04-18 16:04:51', 'A', '2016-04-18 16:04:53');
 
 # init default value of auth_file_config
 INSERT INTO `auth_file_config` (`config_id`, `key`, `value0`, `value1`, `key_desc`, `sts`) VALUES ('1', 'buriedpoint.printf', 'false', 'false', '是否打印数据', 'A');