diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/utils/DingTalkUtils.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/utils/DingTalkUtils.java
index a89ad17c..366800d6 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/utils/DingTalkUtils.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/common/utils/DingTalkUtils.java
@@ -90,6 +90,7 @@ public class DingTalkUtils implements Closeable {
         if (execute.isSuccess()) {
             return execute.getUserid();
         }
+        log.info("[DingTalkUtils] fetch userId by mobile({}) failed,reason is {}.", mobile, execute.getErrmsg());
         throw new OmsException("fetch userId by phone number failed, reason is " + execute.getErrmsg());
     }
 
diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/AlarmCenter.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/AlarmCenter.java
index 3e0ee3d8..06bd79b3 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/AlarmCenter.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/AlarmCenter.java
@@ -20,11 +20,12 @@ public class AlarmCenter {
 
     private static final ExecutorService POOL;
     private static final List<Alarmable> BEANS = Lists.newLinkedList();
+    private static final int THREAD_KEEP_ALIVE_TIME_M = 5;
 
     static {
         int cores = Runtime.getRuntime().availableProcessors();
         ThreadFactory factory = new ThreadFactoryBuilder().setNameFormat("AlarmPool-%d").build();
-        POOL = new ThreadPoolExecutor(cores, cores, 5, TimeUnit.MINUTES, Queues.newLinkedBlockingQueue(), factory);
+        POOL = new ThreadPoolExecutor(cores, cores, THREAD_KEEP_ALIVE_TIME_M, TimeUnit.MINUTES, Queues.newLinkedBlockingQueue(), factory);
     }
 
 
diff --git a/powerjob-server/src/main/resources/application-product.properties b/powerjob-server/src/main/resources/application-product.properties
index 3dd39cd0..768aad92 100644
--- a/powerjob-server/src/main/resources/application-product.properties
+++ b/powerjob-server/src/main/resources/application-product.properties
@@ -22,9 +22,9 @@ spring.mail.properties.mail.smtp.starttls.enable=true
 spring.mail.properties.mail.smtp.starttls.required=true
 
 ####### 钉钉报警配置（不需要钉钉报警可以删除以下配置来避免报错） #######
-oms.alarm.ding.app-key=dingauqwkvxxnqskknfv
-oms.alarm.ding.app-secret=XWrEPdAZMPgJeFtHuL0LH73LRj-74umF2_0BFcoXMfvnX0pCQvt0rpb1JOJU_HLl
-oms.alarm.ding.agent-id=847044348
+oms.alarm.ding.app-key=
+oms.alarm.ding.app-secret=
+oms.alarm.ding.agent-id=
 
 ####### 资源清理配置 #######
 oms.instanceinfo.retention=7