diff --git a/threadpool/message/src/main/java/cn/hippo4j/message/platform/LarkSendMessageHandler.java b/threadpool/message/src/main/java/cn/hippo4j/message/platform/LarkSendMessageHandler.java
index 1a98cfeb..1a16f3be 100644
--- a/threadpool/message/src/main/java/cn/hippo4j/message/platform/LarkSendMessageHandler.java
+++ b/threadpool/message/src/main/java/cn/hippo4j/message/platform/LarkSendMessageHandler.java
@@ -89,17 +89,14 @@ public class LarkSendMessageHandler implements SendMessageHandler {
         }
 
         String timestamp = String.valueOf(System.currentTimeMillis()).substring(0, 10);
-        String signKey = "";
-        String signVal = "";
+        String sign = "";
         if (notifyConfig.getSecret() != null) {
-            signVal = genSign(notifyConfig.getSecret(), timestamp);
-            signKey = "sign";
+            sign = genSign(notifyConfig.getSecret(), timestamp);
         }
 
         String text = String.format(larkAlarmTxt,
                 timestamp,
-                signKey,
-                signVal,
+                sign,
                 alarmNotifyRequest.getActive(),
                 alarmNotifyRequest.getNotifyTypeEnum(),
                 alarmNotifyRequest.getThreadPoolId(),
diff --git a/threadpool/message/src/main/resources/message/robot/dynamic-thread-pool/lark-alarm.json b/threadpool/message/src/main/resources/message/robot/dynamic-thread-pool/lark-alarm.json
index 21bf93af..a64661ae 100644
--- a/threadpool/message/src/main/resources/message/robot/dynamic-thread-pool/lark-alarm.json
+++ b/threadpool/message/src/main/resources/message/robot/dynamic-thread-pool/lark-alarm.json
@@ -1,7 +1,7 @@
 {
   "msg_type": "interactive",
-  "timestamp":"%s",
-  "%s":"%s",
+  "timestamp": "%s",
+  "sign": "%s",
   "card": {
     "config": {
       "wide_screen_mode": true