diff --git a/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlEventParser.java b/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlEventParser.java
index 066a377b..e15a7862 100644
--- a/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlEventParser.java
+++ b/parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlEventParser.java
@@ -180,6 +180,7 @@ public class MysqlEventParser extends AbstractMysqlEventParser implements CanalE
     }
 
     protected void stopHeartBeat() {
+        TimerTask heartBeatTimerTask = this.heartBeatTimerTask;
         super.stopHeartBeat();
 
         if (heartBeatTimerTask != null) {