diff --git a/src/main/java/com/xydl/cac/task/RuleCheckTask.java b/src/main/java/com/xydl/cac/task/RuleCheckTask.java
index 8b9f151..0d8e06e 100644
--- a/src/main/java/com/xydl/cac/task/RuleCheckTask.java
+++ b/src/main/java/com/xydl/cac/task/RuleCheckTask.java
@@ -77,7 +77,8 @@ public class RuleCheckTask {
                 for (TriggerModel model : warnList) {
                     this.sendWarning(rule, model);
                 }
-                if (rule.getNotifyCom() != null && rule.getNotifyCom().intValue() == Constants.TRUE) {
+                if (warnList.size() > 0 &&
+                        rule.getNotifyCom() != null && rule.getNotifyCom().intValue() == Constants.TRUE) {
                     // 通知串口
                     serialPortServer.sendData();
                 }