diff --git a/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/thread/JobLogReportHelper.java b/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/thread/JobLogReportHelper.java
index 2387a0c4..7dcce347 100644
--- a/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/thread/JobLogReportHelper.java
+++ b/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/thread/JobLogReportHelper.java
@@ -28,10 +28,7 @@ public class JobLogReportHelper {
     private Thread logrThread;
     private volatile boolean toStop = false;
     public void start(){
-        logrThread = new Thread(new Runnable() {
-
-            @Override
-            public void run() {
+        logrThread = new Thread(()-> {
 
                 // last clean log time
                 long lastCleanLogTime = 0;
@@ -110,10 +107,10 @@ public class JobLogReportHelper {
                         List<Long> logIds = null;
                         do {
                             logIds = XxlJobAdminConfig.getAdminConfig().getXxlJobLogDao().findClearLogIds(0, 0, clearBeforeTime, 0, 1000);
-                            if (logIds!=null && logIds.size()>0) {
+                            if (logIds!=null && !logIds.isEmpty()) {
                                 XxlJobAdminConfig.getAdminConfig().getXxlJobLogDao().clearLog(logIds);
                             }
-                        } while (logIds!=null && logIds.size()>0);
+                        } while (logIds!=null && !logIds.isEmpty());
 
                         // update clean time
                         lastCleanLogTime = System.currentTimeMillis();
@@ -130,8 +127,6 @@ public class JobLogReportHelper {
                 }
 
                 logger.info(">>>>>>>>>>> xxl-job, job log report thread stop");
-
-            }
         });
         logrThread.setDaemon(true);
         logrThread.setName("xxl-job, admin JobLogReportHelper");