diff --git a/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteRound.java b/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteRound.java
index 936ef0ed..d43183df 100644
--- a/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteRound.java
+++ b/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteRound.java
@@ -14,13 +14,13 @@ import java.util.concurrent.ConcurrentMap;
  */
 public class ExecutorRouteRound extends ExecutorRouter {
 
-    private static ConcurrentMap<Integer, Integer> routeCountEachJob = new ConcurrentHashMap<Integer, Integer>();
-    private static long CACHE_VALID_TIME = 0;
+    private static ConcurrentMap<Integer, Integer> routeCountEachJob = new ConcurrentHashMap<>();
+    private static long cacheValidTime = 0;
     private static int count(int jobId) {
         // cache clear
-        if (System.currentTimeMillis() > CACHE_VALID_TIME) {
+        if (System.currentTimeMillis() > cacheValidTime) {
             routeCountEachJob.clear();
-            CACHE_VALID_TIME = System.currentTimeMillis() + 1000*60*60*24;
+            cacheValidTime = System.currentTimeMillis() + 1000*60*60*24;
         }
 
         // count++
@@ -33,7 +33,7 @@ public class ExecutorRouteRound extends ExecutorRouter {
     @Override
     public ReturnT<String> route(TriggerParam triggerParam, List<String> addressList) {
         String address = addressList.get(count(triggerParam.getJobId())%addressList.size());
-        return new ReturnT<String>(address);
+        return new ReturnT<>(address);
     }
 
 }