diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java b/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java
index 866670ec471779cdc17ff3696cf84298196e638b..a719ed4f6c44db5f0bc5885e17b81b4c3c8f4359 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java
@@ -165,7 +165,9 @@ public class JobThread extends Thread{
 
 				} else {
 					if (idleTimes > 30) {
-						XxlJobExecutor.removeJobThread(jobId, "excutor idel times over limit.");
+						if(triggerQueue ==null||triggerQueue.size()==0) {
+							XxlJobExecutor.removeJobThread(jobId, "excutor idel times over limit.");
+						}
 					}
 				}
 			} catch (Throwable e) {