diff --git a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/FetchTaskThread.java b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/FetchTaskThread.java
index ae4ee792c5..68f27d76d8 100644
--- a/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/FetchTaskThread.java
+++ b/dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/runner/FetchTaskThread.java
@@ -147,9 +147,8 @@ public class FetchTaskThread implements Runnable{
                 //check memory and cpu usage and threads
                 boolean runCheckFlag = OSUtils.checkResource(workerConfig.getWorkerMaxCpuloadAvg(), workerConfig.getWorkerReservedMemory()) && checkThreadCount(poolExecutor);
 
-                Thread.sleep(Constants.SLEEP_TIME_MILLIS);
-
                 if(!runCheckFlag) {
+                    Thread.sleep(Constants.SLEEP_TIME_MILLIS);
                     continue;
                 }