diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/AlarmContent.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/AlarmContent.java
new file mode 100644
index 00000000..9c1c583e
--- /dev/null
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/AlarmContent.java
@@ -0,0 +1,34 @@
+package com.github.kfcfans.powerjob.server.service.alarm;
+
+import com.alibaba.fastjson.JSONObject;
+import com.github.kfcfans.powerjob.common.OmsSerializable;
+import com.github.kfcfans.powerjob.common.utils.CommonUtils;
+import org.apache.commons.lang3.StringUtils;
+
+/**
+ * 报警内容
+ *
+ * @author tjq
+ * @since 2020/8/1
+ */
+public interface AlarmContent extends OmsSerializable {
+
+    default String fetchContent() {
+        StringBuilder sb = new StringBuilder();
+        JSONObject content = JSONObject.parseObject(JSONObject.toJSONString(this));
+        content.forEach((key, originWord) -> {
+            sb.append(key).append(": ");
+            String word = String.valueOf(originWord);
+            if (StringUtils.endsWithIgnoreCase(key, "time") || StringUtils.endsWithIgnoreCase(key, "date")) {
+                try {
+                    if (originWord instanceof Long) {
+                        word = CommonUtils.formatTime((Long) originWord);
+                    }
+                }catch (Exception ignore) {
+                }
+            }
+            sb.append(word).append("\n\r");
+        });
+        return sb.toString();
+    }
+}
diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/DefaultMailAlarmService.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/DefaultMailAlarmService.java
index c0a309ec..6b5df320 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/DefaultMailAlarmService.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/DefaultMailAlarmService.java
@@ -1,6 +1,5 @@
 package com.github.kfcfans.powerjob.server.service.alarm;
 
-import com.github.kfcfans.powerjob.common.utils.JsonUtils;
 import com.github.kfcfans.powerjob.server.persistence.core.model.UserInfoDO;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -38,13 +37,13 @@ public class DefaultMailAlarmService implements Alarmable {
 
     @Override
     public void onJobInstanceFailed(JobInstanceAlarmContent content, List<UserInfoDO> targetUserList) {
-        String msg = String.format(JOB_INSTANCE_FAILED_CONTENT_PATTERN, JsonUtils.toJSONString(content));
+        String msg = String.format(JOB_INSTANCE_FAILED_CONTENT_PATTERN, content.fetchContent());
         sendMail(msg, targetUserList);
     }
 
     @Override
     public void onWorkflowInstanceFailed(WorkflowInstanceAlarmContent content, List<UserInfoDO> targetUserList) {
-        String msg = String.format(WF_INSTANCE_FAILED_CONTENT_PATTERN, JsonUtils.toJSONString(content));
+        String msg = String.format(WF_INSTANCE_FAILED_CONTENT_PATTERN, content.fetchContent());
         sendMail(msg, targetUserList);
     }
 
diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/JobInstanceAlarmContent.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/JobInstanceAlarmContent.java
index 1ff8011e..c13e339d 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/JobInstanceAlarmContent.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/JobInstanceAlarmContent.java
@@ -9,7 +9,7 @@ import lombok.Data;
  * @since 2020/4/30
  */
 @Data
-public class JobInstanceAlarmContent {
+public class JobInstanceAlarmContent implements AlarmContent {
     // 应用ID
     private long appId;
     // 任务ID
diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/WorkflowInstanceAlarmContent.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/WorkflowInstanceAlarmContent.java
index 4a338a20..f12a962e 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/WorkflowInstanceAlarmContent.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/service/alarm/WorkflowInstanceAlarmContent.java
@@ -10,7 +10,7 @@ import lombok.Data;
  * @since 2020/6/12
  */
 @Data
-public class WorkflowInstanceAlarmContent {
+public class WorkflowInstanceAlarmContent implements AlarmContent {
 
     private String workflowName;