diff --git a/src/main/java/net/lamgc/cgj/bot/RandomIntervalSendTimer.java b/src/main/java/net/lamgc/cgj/bot/RandomIntervalSendTimer.java
index 30e4e65..8f1fcd7 100644
--- a/src/main/java/net/lamgc/cgj/bot/RandomIntervalSendTimer.java
+++ b/src/main/java/net/lamgc/cgj/bot/RandomIntervalSendTimer.java
@@ -13,7 +13,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
  */
 public class RandomIntervalSendTimer extends TimerTask {
 
-    private final static Timer timer = new Timer("Thread-RIST");
+    private final static Timer timer = new Timer("Thread-RIST", true);
     private final static Logger log = LoggerFactory.getLogger(RandomIntervalSendTimer.class.getName());
     private final static Map<Long, RandomIntervalSendTimer> timerMap = new HashMap<>();