diff --git a/src/main/java/com/loafle/overflow/container/service/ContainerCollectorService.java b/src/main/java/com/loafle/overflow/container/service/ContainerCollectorService.java
index 387b1d9..e3d2be7 100644
--- a/src/main/java/com/loafle/overflow/container/service/ContainerCollectorService.java
+++ b/src/main/java/com/loafle/overflow/container/service/ContainerCollectorService.java
@@ -87,6 +87,7 @@ public class ContainerCollectorService implements CollectorService {
         logger.error("Cannot get data from crawler[%s] %s", sensorConfig.getCrawler().getName(), e.getMessage());
       }
     };
+    this.removeSchedule(sensorConfig.getConfigID());
     ScheduledFuture<?> sf = this.scheduledExecutorService.scheduleWithFixedDelay(task, 0, interval, TimeUnit.SECONDS);
     this.scheduleMap.put(sensorConfig.getConfigID(), sf);
   }